YARN-634. Modified YarnRemoteException to be not backed by PB and introduced a separate SerializedException record. Contributed by Siddharth Seth.

MAPREDUCE-5239. Updated MR App to reflect YarnRemoteException changes after YARN-634. Contributed by Siddharth Seth.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1481205 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -398,6 +398,9 @@ Release 2.0.5-beta - UNRELEASED
     MAPREDUCE-4942. mapreduce.Job has a bunch of methods that throw 
     InterruptedException so its incompatible with MR1. (rkanter via tucu)
 
+    MAPREDUCE-5239. Updated MR App to reflect YarnRemoteException changes after
+    YARN-634. (Siddharth Seth via vinodkv)
+
 Release 2.0.4-alpha - 2013-04-25
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/launcher/TestContainerLauncher.java

@@ -66,7 +66,6 @@
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.factory.providers.YarnRemoteExceptionFactoryProvider;
 import org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
 import org.apache.hadoop.yarn.util.BuilderUtils;
@@ -407,8 +406,7 @@ public StopContainerResponse stopContainer(StopContainerRequest request)
         throws YarnRemoteException {
       Exception e = new Exception("Dummy function", new Exception(
           "Dummy function cause"));
-      throw YarnRemoteExceptionFactoryProvider.getYarnRemoteExceptionFactory(
+      throw new YarnRemoteException(e);
-          null).createYarnRemoteException(e);
           }
         }
   }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/launcher/TestContainerLauncherImpl.java

@@ -443,11 +443,6 @@ public ContainerException(String message) {
       super(message);
     }
 
-    @Override
-    public String getRemoteTrace() {
-      return null;
-    }
-
     @Override
     public YarnRemoteException getCause() {
       return null;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientRedirect.java

@@ -101,7 +101,6 @@
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.factory.providers.YarnRemoteExceptionFactoryProvider;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
 import org.apache.hadoop.yarn.service.AbstractService;
 import org.junit.Test;
@@ -298,8 +297,7 @@ public GetApplicationReportResponse getApplicationReport(
     @Override
     public SubmitApplicationResponse submitApplication(
         SubmitApplicationRequest request) throws YarnRemoteException {
-      throw YarnRemoteExceptionFactoryProvider.getYarnRemoteExceptionFactory(
+      throw new YarnRemoteException("Test");
-          null).createYarnRemoteException("Test");
     }
 
     @Override

hadoop-yarn-project/CHANGES.txt

@@ -240,6 +240,9 @@ Release 2.0.5-beta - UNRELEASED
 
     YARN-598. Add virtual cores to queue metrics. (sandyr via tucu)
 
+    YARN-634. Modified YarnRemoteException to be not backed by PB and introduced
+    a separate SerializedException record. (Siddharth Seth via vinodkv)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml

@@ -277,4 +277,10 @@
     <Bug pattern="BC_UNCONFIRMED_CAST" />
   </Match>
 
+  <!-- Ignore SerializedException does not extend Exception -->
+  <Match>
+    <Class name="org.apache.hadoop.yarn.server.api.records.SerializedException" />
+    <Bug pattern="NM_CLASS_NOT_EXCEPTION" />
+  </Match>
+
 </FindBugsFilter>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/exceptions/YarnRemoteException.java

@@ -18,43 +18,24 @@
 
 package org.apache.hadoop.yarn.exceptions;
 
-import java.io.PrintStream;
+public class YarnRemoteException extends Exception {
-import java.io.PrintWriter;
 
-public abstract class YarnRemoteException extends Exception {
   private static final long serialVersionUID = 1L;
 
   public YarnRemoteException() {
     super();
   }
 
-  public YarnRemoteException(String message, Throwable cause) {
+  public YarnRemoteException(String message) {
-    super(message, cause);
+    super(message);
   }
 
   public YarnRemoteException(Throwable cause) {
     super(cause);
   }
 
-  public YarnRemoteException(String message) {
+  public YarnRemoteException(String message, Throwable cause) {
-    super(message);
+    super(message, cause);
   }
 
-  @Override
-  public void printStackTrace(PrintWriter pw) {
-    pw.append("RemoteTrace: \n").append(getRemoteTrace())
-      .append(" at LocalTrace: \n\t");
-    super.printStackTrace(pw);
-  }
-
-  @Override
-  public void printStackTrace(PrintStream ps) {
-    ps.append("RemoteTrace: \n").append(getRemoteTrace())
-      .append(" at Local Trace: \n\t");
-    super.printStackTrace(ps);
-  }
-  
-  public abstract String getRemoteTrace();
-  
-  public abstract YarnRemoteException getCause();
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/exceptions/impl/pb/package-info.java

@@ -1,20 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-@InterfaceAudience.Private
-package org.apache.hadoop.yarn.exceptions.impl.pb;
-import org.apache.hadoop.classification.InterfaceAudience;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto

@@ -23,11 +23,11 @@ option java_generate_equals_and_hash = true;
 
 import "Security.proto";
 
-message YarnRemoteExceptionProto {
+message SerializedExceptionProto {
   optional string message = 1;
   optional string trace = 2;
   optional string class_name = 3;
-  optional YarnRemoteExceptionProto cause = 4;
+  optional SerializedExceptionProto cause = 4;
 }
 
 message ApplicationIdProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/pom.xml

@@ -107,27 +107,6 @@
               </source>
             </configuration>
           </execution>
-          <execution>
-            <id>compile-protoc</id>
-            <phase>generate-sources</phase>
-            <goals>
-              <goal>protoc</goal>
-            </goals>
-            <configuration>
-              <imports>
-                <param>${basedir}/../../../hadoop-common-project/hadoop-common/src/main/proto</param>
-                <param>${basedir}/../hadoop-yarn-api/src/main/proto</param>
-                <param>${basedir}/src/main/proto</param>
-              </imports>
-              <source>
-                <directory>${basedir}/src/main/proto</directory>
-                <includes>
-                  <include>yarnprototunnelrpc.proto</include>
-                </includes>
-              </source>
-              <output>${project.build.directory}/generated-sources/java</output>
-            </configuration>
-          </execution>
         </executions>
       </plugin>
       <plugin>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/factories/impl/pb/YarnRemoteExceptionFactoryPBImpl.java

@@ -1,52 +0,0 @@
-/**
-* Licensed to the Apache Software Foundation (ASF) under one
-* or more contributor license agreements.  See the NOTICE file
-* distributed with this work for additional information
-* regarding copyright ownership.  The ASF licenses this file
-* to you under the Apache License, Version 2.0 (the
-* "License"); you may not use this file except in compliance
-* with the License.  You may obtain a copy of the License at
-*
-*     http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-
-package org.apache.hadoop.yarn.factories.impl.pb;
-
-import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
-import org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl;
-import org.apache.hadoop.yarn.factories.YarnRemoteExceptionFactory;
-
-public class YarnRemoteExceptionFactoryPBImpl implements
-    YarnRemoteExceptionFactory {
-
-  private static final YarnRemoteExceptionFactory self = new YarnRemoteExceptionFactoryPBImpl();
-
-  private YarnRemoteExceptionFactoryPBImpl() {
-  }
-
-  public static YarnRemoteExceptionFactory get() {
-    return self;
-  }
-
-  @Override
-  public YarnRemoteException createYarnRemoteException(String message) {
-    return new YarnRemoteExceptionPBImpl(message);
-  }
-
-  @Override
-  public YarnRemoteException createYarnRemoteException(String message,
-      Throwable t) {
-    return new YarnRemoteExceptionPBImpl(message, t);
-  }
-
-  @Override
-  public YarnRemoteException createYarnRemoteException(Throwable t) {
-    return new YarnRemoteExceptionPBImpl(t);
-  }
-}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/factory/providers/YarnRemoteExceptionFactoryProvider.java

@@ -1,68 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.hadoop.yarn.factory.providers;
-
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.yarn.YarnException;
-import org.apache.hadoop.yarn.conf.YarnConfiguration;
-import org.apache.hadoop.yarn.factories.YarnRemoteExceptionFactory;
-import org.apache.hadoop.yarn.factories.impl.pb.YarnRemoteExceptionFactoryPBImpl;
-
-public class YarnRemoteExceptionFactoryProvider {
-
-  private YarnRemoteExceptionFactoryProvider() {
-  }
-  
-  public static YarnRemoteExceptionFactory getYarnRemoteExceptionFactory(Configuration conf) {
-    if (conf == null) {
-      conf = new Configuration();
-    }
-    String recordFactoryClassName = conf.get(YarnConfiguration.IPC_EXCEPTION_FACTORY);
-    if (recordFactoryClassName == null) {
-      String serializer = conf.get(YarnConfiguration.IPC_SERIALIZER_TYPE, YarnConfiguration.DEFAULT_IPC_SERIALIZER_TYPE);
-      if (serializer.equals(YarnConfiguration.DEFAULT_IPC_SERIALIZER_TYPE)) {
-        return YarnRemoteExceptionFactoryPBImpl.get();
-      } else {
-        throw new YarnException("Unknown serializer: [" + conf.get(YarnConfiguration.IPC_SERIALIZER_TYPE) + "]. Use keys: [" + YarnConfiguration.IPC_EXCEPTION_FACTORY + "] to specify Exception factory");
-      }
-    } else {
-      return (YarnRemoteExceptionFactory) getFactoryClassInstance(recordFactoryClassName);
-    }
-  }
-  
-  private static Object getFactoryClassInstance(String factoryClassName) {
-    try {
-      Class<?> clazz = Class.forName(factoryClassName);
-      Method method = clazz.getMethod("get", null);
-      method.setAccessible(true);
-      return method.invoke(null, null);
-    } catch (ClassNotFoundException e) {
-      throw new YarnException(e);
-    } catch (NoSuchMethodException e) {
-      throw new YarnException(e);
-    } catch (InvocationTargetException e) {
-      throw new YarnException(e);
-    } catch (IllegalAccessException e) {
-      throw new YarnException(e);
-    }
-  }
-}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/RPCUtil.java

@@ -22,43 +22,25 @@
 import java.lang.reflect.Constructor;
 import java.lang.reflect.UndeclaredThrowableException;
 
-import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
-import org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl;
-import org.apache.hadoop.yarn.factories.YarnRemoteExceptionFactory;
-import org.apache.hadoop.yarn.factory.providers.YarnRemoteExceptionFactoryProvider;
 
 import com.google.protobuf.ServiceException;
 
 public class RPCUtil {
 
-
   /**
-   * Relying on the default factory configuration to be set correctly
+   * Returns an instance of YarnRemoteException 
-   * for the default configuration.
-   */
-  private static Configuration conf = new Configuration();
-  private static YarnRemoteExceptionFactory exceptionFactory = YarnRemoteExceptionFactoryProvider.getYarnRemoteExceptionFactory(conf);
-  
-  /**
-   * Returns the YarnRemoteException which is serializable. 
    */
   public static YarnRemoteException getRemoteException(Throwable t) {
-    return exceptionFactory.createYarnRemoteException(t);
+    return new YarnRemoteException(t);
   }
 
   /**
-   * Returns the YarnRemoteException which is serializable.
+   * Returns an instance of YarnRemoteException
    */
   public static YarnRemoteException getRemoteException(String message) {
-    return exceptionFactory.createYarnRemoteException(message);
+    return new YarnRemoteException(message);
-  }
-
-  public static String toString(YarnRemoteException e) {
-    return (e.getMessage() == null ? "" : e.getMessage()) + 
-      (e.getRemoteTrace() == null ? "" : "\n StackTrace: " + e.getRemoteTrace()) + 
-      (e.getCause() == null ? "" : "\n Caused by: " + toString(e.getCause()));
   }
 
   /**
@@ -85,8 +67,8 @@ public static YarnRemoteException unwrapAndThrowException(ServiceException se)
           ex.initCause(re);
           return ex;
         } else {
-          throw ((RemoteException) se.getCause())
+          // TODO Fix in YARN-628.
-              .unwrapRemoteException(YarnRemoteExceptionPBImpl.class);
+          throw new IOException((RemoteException) se.getCause());
         }
       } catch (IOException e1) {
         throw new UndeclaredThrowableException(e1);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/TestContainerLaunchRPC.java

@@ -48,7 +48,6 @@
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.factory.providers.YarnRemoteExceptionFactoryProvider;
 import org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
 import org.apache.hadoop.yarn.util.BuilderUtils;
@@ -165,8 +164,7 @@ public StopContainerResponse stopContainer(StopContainerRequest request)
         throws YarnRemoteException {
       Exception e = new Exception("Dummy function", new Exception(
           "Dummy function cause"));
-      throw YarnRemoteExceptionFactoryProvider.getYarnRemoteExceptionFactory(
+      throw new YarnRemoteException(e);
-          null).createYarnRemoteException(e);
     }
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/TestRPC.java

@@ -49,9 +49,7 @@
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.factory.providers.YarnRemoteExceptionFactoryProvider;
 import org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC;
-import org.apache.hadoop.yarn.ipc.RPCUtil;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
 import org.apache.hadoop.yarn.util.BuilderUtils;
 import org.apache.hadoop.yarn.util.Records;
@@ -154,7 +152,7 @@ private void test(String rpcClass) throws Exception {
       exception = true;
       Assert.assertTrue(e.getMessage().contains(EXCEPTION_MSG));
       Assert.assertTrue(e.getMessage().contains(EXCEPTION_CAUSE));
-      System.out.println("Test Exception is " + RPCUtil.toString(e));
+      System.out.println("Test Exception is " + e.getMessage());
     } catch (Exception ex) {
       ex.printStackTrace();
     }
@@ -196,8 +194,7 @@ public StopContainerResponse stopContainer(StopContainerRequest request)
     throws YarnRemoteException {
       Exception e = new Exception(EXCEPTION_MSG, 
           new Exception(EXCEPTION_CAUSE));
-      throw YarnRemoteExceptionFactoryProvider
+      throw new YarnRemoteException(e);
-          .getYarnRemoteExceptionFactory(null).createYarnRemoteException(e);
     }
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/SerializedException.java

@@ -16,20 +16,24 @@
  * limitations under the License.
  */
 
-option java_package = "org.apache.hadoop.yarn.ipc";
+package org.apache.hadoop.yarn.server.api.records;
-option java_outer_classname = "RpcProtos";
-option java_generate_equals_and_hash = true;
 
-import "yarn_protos.proto";
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
 
-message ProtoSpecificRpcRequest {
+@Private
-    required string method_name = 1;
+@Unstable
-    optional bytes request_proto = 2;
+public abstract class SerializedException {
-}
+  
-
+  public abstract void init(String message, Throwable cause);
-message ProtoSpecificRpcResponse {
+  
-    optional bytes response_proto = 1;
+  public abstract void init(String message);
-
+  
-	optional bool is_error = 2;
+  public abstract void init(Throwable cause);
-	optional YarnRemoteExceptionProto exception = 3;
+  
+  public abstract String getMessage();
+  
+  public abstract String getRemoteTrace();
+  
+  public abstract SerializedException getCause();
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/records/impl/pb/SerializedExceptionPBImpl.java

@@ -16,49 +16,49 @@
  * limitations under the License.
  */
 
-package org.apache.hadoop.yarn.exceptions.impl.pb;
+package org.apache.hadoop.yarn.server.api.records.impl.pb;
 
-import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.lang.reflect.UndeclaredThrowableException;
 
-import org.apache.hadoop.ipc.RemoteException;
+import org.apache.hadoop.yarn.proto.YarnProtos.SerializedExceptionProto;
-import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
+import org.apache.hadoop.yarn.proto.YarnProtos.SerializedExceptionProtoOrBuilder;
-import org.apache.hadoop.yarn.proto.YarnProtos.YarnRemoteExceptionProto;
+import org.apache.hadoop.yarn.server.api.records.SerializedException;
-import org.apache.hadoop.yarn.proto.YarnProtos.YarnRemoteExceptionProtoOrBuilder;
-import com.google.protobuf.ServiceException;
 
-public class YarnRemoteExceptionPBImpl extends YarnRemoteException {
+public class SerializedExceptionPBImpl extends SerializedException {
 
-  private static final long serialVersionUID = 1L;
+  SerializedExceptionProto proto = SerializedExceptionProto
-
+      .getDefaultInstance();
-  YarnRemoteExceptionProto proto = YarnRemoteExceptionProto.getDefaultInstance();
+  SerializedExceptionProto.Builder builder = null;
-  YarnRemoteExceptionProto.Builder builder = null;
   boolean viaProto = false;
 
-  public YarnRemoteExceptionPBImpl() {
+  public SerializedExceptionPBImpl() {
   }
 
-  public YarnRemoteExceptionPBImpl(YarnRemoteExceptionProto proto) {
+  public SerializedExceptionPBImpl(SerializedExceptionProto proto) {
     this.proto = proto;
     viaProto = true;
   }
 
-  public YarnRemoteExceptionPBImpl(String message) {
+  private SerializedExceptionPBImpl(Throwable t) {
-    super(message);
+    init(t);
-    maybeInitBuilder();
-    builder.setMessage(super.getMessage());
   }
 
-  public YarnRemoteExceptionPBImpl(Throwable t) {
+  public void init(String message) {
-    super(t);
     maybeInitBuilder();
+    builder.setMessage(message);
+  }
+
+  public void init(Throwable t) {
+    maybeInitBuilder();
+    if (t == null) {
+      return;
+    }
 
     if (t.getCause() == null) {
     } else {
-      builder.setCause(new YarnRemoteExceptionPBImpl(t.getCause()).getProto());
+      builder.setCause(new SerializedExceptionPBImpl(t.getCause()).getProto());
-      builder.setClassName(t.getClass().getName());
+      builder.setClassName(t.getClass().getCanonicalName());
     }
     StringWriter sw = new StringWriter();
     PrintWriter pw = new PrintWriter(sw);
@@ -70,34 +70,35 @@ public YarnRemoteExceptionPBImpl(Throwable t) {
       builder.setMessage(t.getMessage());
   }
 
-  public YarnRemoteExceptionPBImpl(String message, Throwable t) {
+  public void init(String message, Throwable t) {
-    this(t);
+    init(t);
     if (message != null)
       builder.setMessage(message);
   }
+
   @Override
   public String getMessage() {
-    YarnRemoteExceptionProtoOrBuilder p = viaProto ? proto : builder;
+    SerializedExceptionProtoOrBuilder p = viaProto ? proto : builder;
     return p.getMessage();
   }
 
   @Override
   public String getRemoteTrace() {
-    YarnRemoteExceptionProtoOrBuilder p = viaProto ? proto : builder;
+    SerializedExceptionProtoOrBuilder p = viaProto ? proto : builder;
     return p.getTrace();
   }
 
   @Override
-  public YarnRemoteException getCause() {
+  public SerializedException getCause() {
-    YarnRemoteExceptionProtoOrBuilder p = viaProto ? proto : builder;
+    SerializedExceptionProtoOrBuilder p = viaProto ? proto : builder;
     if (p.hasCause()) {
-      return new YarnRemoteExceptionPBImpl(p.getCause());
+      return new SerializedExceptionPBImpl(p.getCause());
     } else {
       return null;
     }
   }
 
-  public YarnRemoteExceptionProto getProto() {
+  public SerializedExceptionProto getProto() {
     proto = viaProto ? proto : builder.build();
     viaProto = true;
     return proto;
@@ -105,9 +106,8 @@ public YarnRemoteExceptionProto getProto() {
 
   private void maybeInitBuilder() {
     if (viaProto || builder == null) {
-      builder = YarnRemoteExceptionProto.newBuilder(proto);
+      builder = SerializedExceptionProto.newBuilder(proto);
     }
     viaProto = false;
   }
-
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/YarnServerBuilderUtils.java

@@ -27,6 +27,8 @@
 import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
 import org.apache.hadoop.yarn.server.api.records.MasterKey;
 import org.apache.hadoop.yarn.server.api.records.NodeAction;
+import org.apache.hadoop.yarn.server.api.records.SerializedException;
+import org.apache.hadoop.yarn.util.Records;
 
 /**
  * Server Builder utilities to construct various objects.
@@ -55,4 +57,10 @@ public static NodeHeartbeatResponse newNodeHeartbeatResponse(int responseId,
     }
     return response;
   }
+  
+  public static SerializedException newSerializedException(Throwable e) {
+    SerializedException se = Records.newRecord(SerializedException.class);
+    se.init(e);
+    return se;
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/protocolrecords/LocalResourceStatus.java

@@ -19,18 +19,18 @@
 
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.URL;
-import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
+import org.apache.hadoop.yarn.server.api.records.SerializedException;
 
 public interface LocalResourceStatus {
   public LocalResource getResource();
   public ResourceStatusType getStatus();
   public URL getLocalPath();
   public long getLocalSize();
-  public YarnRemoteException getException();
+  public SerializedException getException();
 
   public void setResource(LocalResource resource);
   public void setStatus(ResourceStatusType status);
   public void setLocalPath(URL localPath);
   public void setLocalSize(long size);
-  public void setException(YarnRemoteException exception);
+  public void setException(SerializedException exception);
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/api/protocolrecords/impl/pb/LocalResourceStatusPBImpl.java

@@ -22,14 +22,14 @@
 import org.apache.hadoop.yarn.api.records.URL;
 import org.apache.hadoop.yarn.api.records.impl.pb.LocalResourcePBImpl;
 import org.apache.hadoop.yarn.api.records.impl.pb.URLPBImpl;
-import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
-import org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl;
 import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceProto;
+import org.apache.hadoop.yarn.proto.YarnProtos.SerializedExceptionProto;
 import org.apache.hadoop.yarn.proto.YarnProtos.URLProto;
-import org.apache.hadoop.yarn.proto.YarnProtos.YarnRemoteExceptionProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalResourceStatusProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalResourceStatusProtoOrBuilder;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.ResourceStatusTypeProto;
+import org.apache.hadoop.yarn.server.api.records.SerializedException;
+import org.apache.hadoop.yarn.server.api.records.impl.pb.SerializedExceptionPBImpl;
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalResourceStatus;
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.ResourceStatusType;
 
@@ -43,7 +43,7 @@ public class LocalResourceStatusPBImpl
 
   private LocalResource resource;
   private URL localPath;
-  private YarnRemoteException exception;
+  private SerializedException exception;
 
   public LocalResourceStatusPBImpl() {
     builder = LocalResourceStatusProto.newBuilder();
@@ -73,7 +73,7 @@ private void mergeLocalToBuilder() {
       builder.setLocalPath(convertToProtoFormat(this.localPath));
     }
     if (this.exception != null &&
-        !((YarnRemoteExceptionPBImpl)this.exception).getProto()
+        !((SerializedExceptionPBImpl)this.exception).getProto()
           .equals(builder.getException())) {
       builder.setException(convertToProtoFormat(this.exception));
     }
@@ -136,7 +136,7 @@ public long getLocalSize() {
   }
 
   @Override
-  public YarnRemoteException getException() {
+  public SerializedException getException() {
     LocalResourceStatusProtoOrBuilder p = viaProto ? proto : builder;
     if (this.exception != null) {
       return this.exception;
@@ -182,7 +182,7 @@ public void setLocalSize(long size) {
   }
 
   @Override
-  public void setException(YarnRemoteException exception) {
+  public void setException(SerializedException exception) {
     maybeInitBuilder();
     if (exception == null)
       builder.clearException();
@@ -213,12 +213,12 @@ private ResourceStatusType convertFromProtoFormat(ResourceStatusTypeProto e) {
     return ResourceStatusType.valueOf(e.name());
   }
 
-  private YarnRemoteExceptionPBImpl convertFromProtoFormat(YarnRemoteExceptionProto p) {
+  private SerializedExceptionPBImpl convertFromProtoFormat(SerializedExceptionProto p) {
-    return new YarnRemoteExceptionPBImpl(p);
+    return new SerializedExceptionPBImpl(p);
   }
 
-  private YarnRemoteExceptionProto convertToProtoFormat(YarnRemoteException t) {
+  private SerializedExceptionProto convertToProtoFormat(SerializedException t) {
-    return ((YarnRemoteExceptionPBImpl)t).getProto();
+    return ((SerializedExceptionPBImpl)t).getProto();
   }
 
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerImpl.java

@@ -35,7 +35,6 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.security.Credentials;
-import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.api.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
@@ -45,8 +44,6 @@
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
-import org.apache.hadoop.yarn.factories.RecordFactory;
-import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 import org.apache.hadoop.yarn.server.nodemanager.NMAuditLogger;
 import org.apache.hadoop.yarn.server.nodemanager.NMAuditLogger.AuditConstants;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServicesEvent;
@@ -85,7 +82,6 @@ public class ContainerImpl implements Container {
   private final Configuration daemonConf;
 
   private static final Log LOG = LogFactory.getLog(Container.class);
-  private final RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null);
   private final Map<LocalResourceRequest,List<String>> pendingResources =
     new HashMap<LocalResourceRequest,List<String>>();
   private final Map<Path,List<String>> localizedResources =
@@ -703,9 +699,9 @@ public void transition(ContainerImpl container, ContainerEvent event) {
 
       ContainerResourceFailedEvent rsrcFailedEvent =
           (ContainerResourceFailedEvent) event;
-      container.diagnostics.append(
+      container.diagnostics.append(rsrcFailedEvent.getDiagnosticMessage()
-          StringUtils.stringifyException(rsrcFailedEvent.getCause())).append(
+          + "\n");
-          "\n");
+          
 
       // Inform the localizer to decrement reference counts and cleanup
       // resources.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/ContainerResourceFailedEvent.java

@@ -23,15 +23,15 @@
 
 public class ContainerResourceFailedEvent extends ContainerResourceEvent {
 
-  private final Throwable exception;
+  private final String diagnosticMesage;
 
   public ContainerResourceFailedEvent(ContainerId container,
-      LocalResourceRequest rsrc, Throwable cause) {
+      LocalResourceRequest rsrc, String diagnosticMesage) {
     super(container, ContainerEventType.RESOURCE_FAILED, rsrc);
-    this.exception = cause;
+    this.diagnosticMesage = diagnosticMesage;
   }
 
-  public Throwable getCause() {
+  public String getDiagnosticMessage() {
-    return exception;
+    return diagnosticMesage;
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ContainerLocalizer.java

@@ -28,7 +28,6 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.Random;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.CompletionService;
@@ -57,7 +56,6 @@
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.ipc.RPCUtil;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
 import org.apache.hadoop.yarn.server.nodemanager.api.LocalizationProtocol;
 import org.apache.hadoop.yarn.server.nodemanager.api.ResourceLocalizationSpec;
@@ -67,6 +65,7 @@
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.ResourceStatusType;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.LocalizerTokenIdentifier;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.LocalizerTokenSecretManager;
+import org.apache.hadoop.yarn.server.utils.YarnServerBuilderUtils;
 import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.apache.hadoop.yarn.util.FSDownload;
 
@@ -295,10 +294,11 @@ private LocalizerStatus createStatus() throws InterruptedException {
           stat.setStatus(ResourceStatusType.FETCH_SUCCESS);
         } catch (ExecutionException e) {
           stat.setStatus(ResourceStatusType.FETCH_FAILURE);
-          stat.setException(RPCUtil.getRemoteException(e.getCause()));
+          stat.setException(
+              YarnServerBuilderUtils.newSerializedException(e.getCause()));
         } catch (CancellationException e) {
           stat.setStatus(ResourceStatusType.FETCH_FAILURE);
-          stat.setException(RPCUtil.getRemoteException(e));
+          stat.setException(YarnServerBuilderUtils.newSerializedException(e));
         }
         // TODO shouldn't remove until ACK
         i.remove();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/LocalizedResource.java

@@ -17,7 +17,6 @@
 */
 package org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer;
 
-import java.util.EnumSet;
 import java.util.LinkedList;
 import java.util.Queue;
 import java.util.concurrent.Semaphore;
@@ -42,7 +41,6 @@
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceReleaseEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent;
 import org.apache.hadoop.yarn.state.InvalidStateTransitonException;
-import org.apache.hadoop.yarn.state.MultipleArcTransition;
 import org.apache.hadoop.yarn.state.SingleArcTransition;
 import org.apache.hadoop.yarn.state.StateMachine;
 import org.apache.hadoop.yarn.state.StateMachineFactory;
@@ -251,11 +249,10 @@ public void transition(LocalizedResource rsrc, ResourceEvent event) {
       ResourceFailedLocalizationEvent failedEvent =
           (ResourceFailedLocalizationEvent) event;
       Queue<ContainerId> containers = rsrc.ref;
-      Throwable failureCause = failedEvent.getCause();
       for (ContainerId container : containers) {
         rsrc.dispatcher.getEventHandler().handle(
           new ContainerResourceFailedEvent(container, failedEvent
-            .getLocalResourceRequest(), failureCause));
+            .getLocalResourceRequest(), failedEvent.getDiagnosticMessage()));
       }
     }
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java

@@ -716,8 +716,8 @@ public void run() {
               LOG.info("Failed to download rsrc " + assoc.getResource(),
                   e.getCause());
               LocalResourceRequest req = assoc.getResource().getRequest();
-              publicRsrc.handle(new ResourceFailedLocalizationEvent(req, e
+              publicRsrc.handle(new ResourceFailedLocalizationEvent(req,
-                .getCause()));
+                  e.getMessage()));
               assoc.getResource().unlock();
             } catch (CancellationException e) {
               // ignore; shutting down
@@ -908,11 +908,12 @@ LocalizerHeartbeatResponse update(
             response.setLocalizerAction(LocalizerAction.LIVE);
             break;
           case FETCH_FAILURE:
-            LOG.info("DEBUG: FAILED " + req, stat.getException());
+            LOG.info("DEBUG: FAILED " + req 
+                + ", " + stat.getException().getMessage());
             response.setLocalizerAction(LocalizerAction.DIE);
             getLocalResourcesTracker(req.getVisibility(), user, applicationId)
-              .handle(
+              .handle(new ResourceFailedLocalizationEvent(
-                new ResourceFailedLocalizationEvent(req, stat.getException()));
+                  req, stat.getException().getMessage()));
 
             // unlocking the resource and removing it from scheduled resource
             // list
@@ -924,8 +925,8 @@ LocalizerHeartbeatResponse update(
             LOG.info("Unknown status: " + stat.getStatus());
             response.setLocalizerAction(LocalizerAction.DIE);
             getLocalResourcesTracker(req.getVisibility(), user, applicationId)
-              .handle(
+              .handle(new ResourceFailedLocalizationEvent(
-                new ResourceFailedLocalizationEvent(req, stat.getException()));
+                  req, stat.getException().getMessage()));
             break;
         }
       }
@@ -991,7 +992,7 @@ public void run() {
         // 3.1) notify resource of failed localization
         ContainerId cId = context.getContainerId();
         dispatcher.getEventHandler().handle(
-            new ContainerResourceFailedEvent(cId, null, e));
+            new ContainerResourceFailedEvent(cId, null, e.getMessage()));
       } finally {
         for (LocalizerResourceRequestEvent event : scheduled.values()) {
           event.getResource().unlock();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/event/ResourceFailedLocalizationEvent.java

@@ -25,15 +25,15 @@
  */
 public class ResourceFailedLocalizationEvent extends ResourceEvent {
 
-  private Throwable cause;
+  private final String diagnosticMesage;
 
   public ResourceFailedLocalizationEvent(LocalResourceRequest rsrc,
-      Throwable cause) {
+      String diagnosticMesage) {
     super(rsrc, ResourceEventType.LOCALIZATION_FAILED);
-    this.cause = cause;
+    this.diagnosticMesage = diagnosticMesage;
   }
 
-  public Throwable getCause() {
+  public String getDiagnosticMessage() {
-    return cause;
+    return diagnosticMesage;
   }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/proto/yarn_server_nodemanager_service_protos.proto

@@ -34,7 +34,7 @@ message LocalResourceStatusProto {
   optional ResourceStatusTypeProto status = 2;
   optional URLProto localPath = 3;
   optional int64 localSize = 4;
-  optional YarnRemoteExceptionProto exception = 5;
+  optional SerializedExceptionProto exception = 5;
 }
 
 message LocalizerStatusProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeManagerResync.java

@@ -299,7 +299,7 @@ public void run() {
                 " yet connected with ResourceManager"));
               // TO DO: This should be replaced to explicitly check exception
               // class name after YARN-142
-              Assert.assertTrue(e.getRemoteTrace().contains(
+              Assert.assertTrue(e.getMessage().contains(
                 NMNotYetReadyException.class.getName()));
             } catch (IOException e) {
               assertionFailedInThread.set(true);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/api/protocolrecords/impl/pb/TestPBRecordImpl.java

@@ -34,7 +34,6 @@
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.factories.RecordFactory;
 import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
-import org.apache.hadoop.yarn.ipc.RPCUtil;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalResourceStatusProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalizerHeartbeatResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServerNodemanagerServiceProtos.LocalizerStatusProto;
@@ -44,6 +43,7 @@
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalizerHeartbeatResponse;
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalizerStatus;
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.ResourceStatusType;
+import org.apache.hadoop.yarn.server.utils.YarnServerBuilderUtils;
 import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.junit.Test;
 
@@ -82,7 +82,7 @@ static LocalResourceStatus createLocalResourceStatus() {
     e.setStackTrace(new StackTraceElement[] {
         new StackTraceElement("foo", "bar", "baz", 10),
         new StackTraceElement("sbb", "one", "onm", 10) });
-    ret.setException(RPCUtil.getRemoteException(e));
+    ret.setException(YarnServerBuilderUtils.newSerializedException(e));
     return ret;
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestContainerManager.java

@@ -576,7 +576,7 @@ public void testContainerLaunchFromPreviousRM() throws IOException,
         "Container " + cId1 + " rejected as it is allocated by a previous RM"));
       // TO DO: This should be replaced to explicitly check exception
       // class name after YARN-142
-      Assert.assertTrue(e.getRemoteTrace().contains(
+      Assert.assertTrue(e.getMessage().contains(
         InvalidContainerException.class.getName()));
     }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/container/TestContainer.java

@@ -25,11 +25,9 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import java.io.IOException;
 import java.net.URISyntaxException;
 import java.nio.ByteBuffer;
 import java.util.AbstractMap.SimpleEntry;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
@@ -56,10 +54,10 @@
 import org.apache.hadoop.yarn.event.DrainDispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
-import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEvent;
-import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEventType;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServicesEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServicesEventType;
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEvent;
+import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEventType;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncherEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncherEventType;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.LocalResourceRequest;
@@ -663,7 +661,7 @@ public void failLocalizeSpecificResource(String rsrcKey)
       LocalResourceRequest req = new LocalResourceRequest(rsrc);
       Exception e = new Exception("Fake localization error");
       c.handle(new ContainerResourceFailedEvent(c.getContainer()
-          .getId(), req, e));
+          .getId(), req, e.getMessage()));
       drainDispatcherEvents();
     }
 
@@ -679,7 +677,7 @@ public void failLocalizeResources(int failRsrcCount)
         LocalResourceRequest req = new LocalResourceRequest(rsrc.getValue());
         Exception e = new Exception("Fake localization error");
         c.handle(new ContainerResourceFailedEvent(c.getContainer().getId(),
-                 req, e));
+                 req, e.getMessage()));
       }
       drainDispatcherEvents();     
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/MockLocalResourceStatus.java

@@ -19,7 +19,7 @@
 
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.URL;
-import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
+import org.apache.hadoop.yarn.server.api.records.SerializedException;
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.LocalResourceStatus;
 import org.apache.hadoop.yarn.server.nodemanager.api.protocolrecords.ResourceStatusType;
 
@@ -29,11 +29,11 @@ public class MockLocalResourceStatus implements LocalResourceStatus {
   private ResourceStatusType tag = null;
   private URL localPath = null;
   private long size = -1L;
-  private YarnRemoteException ex = null;
+  private SerializedException ex = null;
 
   MockLocalResourceStatus() { }
   MockLocalResourceStatus(LocalResource rsrc, ResourceStatusType tag,
-      URL localPath, YarnRemoteException ex) {
+      URL localPath, SerializedException ex) {
     this.rsrc = rsrc;
     this.tag = tag;
     this.localPath = localPath;
@@ -49,7 +49,7 @@ public class MockLocalResourceStatus implements LocalResourceStatus {
   @Override
   public URL getLocalPath() { return localPath; }
   @Override
-  public YarnRemoteException getException() { return ex; }
+  public SerializedException getException() { return ex; }
   @Override
   public void setResource(LocalResource rsrc) { this.rsrc = rsrc; }
   @Override
@@ -59,7 +59,7 @@ public class MockLocalResourceStatus implements LocalResourceStatus {
   @Override
   public void setLocalSize(long size) { this.size = size; }
   @Override
-  public void setException(YarnRemoteException ex) { this.ex = ex; }
+  public void setException(SerializedException ex) { this.ex = ex; }
 
   @Override
   public boolean equals(Object o) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestLocalResourcesTrackerImpl.java

@@ -287,8 +287,8 @@ public void testLocalResourceCache() {
       Assert.assertTrue(localrsrc.get(lr).ref.contains(cId2));
 
       // Failing resource localization
-      ResourceEvent resourceFailedEvent =
+      ResourceEvent resourceFailedEvent = new ResourceFailedLocalizationEvent(
-          new ResourceFailedLocalizationEvent(lr, new Exception("test"));
+          lr,(new Exception("test").getMessage()));
       
       // Backing up the resource to track its state change as it will be
       // removed after the failed event.
@@ -420,7 +420,8 @@ public void testHierarchicalLocalCacheDirectories() {
       Path hierarchicalPath2 = tracker.getPathForLocalization(lr2, localDir);
       // localization failed.
       ResourceFailedLocalizationEvent rfe2 =
-          new ResourceFailedLocalizationEvent(lr2, new Exception("Test"));
+          new ResourceFailedLocalizationEvent(
+              lr2, new Exception("Test").toString());
       tracker.handle(rfe2);
 
       /*

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestResourceLocalizationService.java

@@ -85,7 +85,7 @@
 import org.apache.hadoop.yarn.event.AsyncDispatcher;
 import org.apache.hadoop.yarn.event.DrainDispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
-import org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl;
+import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
 import org.apache.hadoop.yarn.server.nodemanager.DeletionService;
 import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
@@ -117,6 +117,7 @@
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.LocalizerEventType;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.LocalizerResourceRequestEvent;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceFailedLocalizationEvent;
+import org.apache.hadoop.yarn.server.utils.YarnServerBuilderUtils;
 import org.apache.hadoop.yarn.util.BuilderUtils;
 import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.junit.BeforeClass;
@@ -1012,7 +1013,8 @@ private LocalizerStatus createLocalizerStatusForFailedResource(
       String localizerId, LocalResourceRequest req) {
     LocalizerStatus status = createLocalizerStatus(localizerId);
     LocalResourceStatus resourceStatus = new LocalResourceStatusPBImpl();
-    resourceStatus.setException(new YarnRemoteExceptionPBImpl("test"));
+    resourceStatus.setException(YarnServerBuilderUtils
+        .newSerializedException(new YarnRemoteException("test")));
     resourceStatus.setStatus(ResourceStatusType.FETCH_FAILURE);
     resourceStatus.setResource(req);
     status.addResourceStatus(resourceStatus);
@@ -1146,7 +1148,8 @@ public void testParallelDownloadAttemptsForPublicResource() throws Exception {
       // Now Failing the resource download. As a part of it
       // resource state is changed and then lock is released.
       ResourceFailedLocalizationEvent locFailedEvent =
-          new ResourceFailedLocalizationEvent(req, new Exception("test"));
+          new ResourceFailedLocalizationEvent(
+              req,new Exception("test").toString());
       spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, user,
         null).handle(locFailedEvent);
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestAppManager.java

@@ -467,9 +467,11 @@ public void testRMAppSubmitInvalidResourceRequest() throws Exception {
           " request is invalid.");
     } catch (YarnRemoteException e) {
       // Exception is expected
+      // TODO Change this to assert the expected exception type - post YARN-142
+      // sub-task related to specialized exceptions.
       Assert.assertTrue("The thrown exception is not" +
           " InvalidResourceRequestException",
-          e.getMessage().startsWith("Invalid resource request"));
+          e.getMessage().contains("Invalid resource request"));
     }
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMService.java

@@ -209,10 +209,10 @@ public Void run() throws Exception {
             checkTokenRenewal(owner, other);
             return null;
           } catch (YarnRemoteException ex) {
-            Assert.assertEquals(ex.getMessage(),
+            Assert.assertTrue(ex.getMessage().contains(
                 "Client " + owner.getUserName() +
                 " tries to renew a token with renewer specified as " +
-                other.getUserName());
+                other.getUserName()));
             throw ex;
           }
         }