YARN-632. Changed ContainerManager api to throw IOException and YarnRemoteException. Contributed by Xuan Gong.

svn merge --ignore-ancestry -c 1479740 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1479741 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -37,6 +37,9 @@ Release 2.0.5-beta - UNRELEASED
     YARN-633. Changed RMAdminProtocol api to throw IOException and
     YarnRemoteException. (Xuan Gong via vinodkv)
 
+    YARN-632. Changed ContainerManager api to throw IOException and
+    YarnRemoteException. (Xuan Gong via vinodkv)
+
   NEW FEATURES
 
     YARN-482. FS: Extend SchedulingMode to intermediate queues. 

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

@@ -18,6 +18,8 @@
 
 package org.apache.hadoop.yarn.api;
 
+import java.io.IOException;
+
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Stable;
 import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusRequest;
@@ -68,11 +70,12 @@ public interface ContainerManager {
    * @return empty response to indicate acceptance of the request 
    *         or an exception
    * @throws YarnRemoteException
+   * @throws IOException
    */
   @Public
   @Stable
   StartContainerResponse startContainer(StartContainerRequest request)
-      throws YarnRemoteException;
+      throws YarnRemoteException, IOException;
 
   /**
    * <p>The <code>ApplicationMaster</code> requests a <code>NodeManager</code>
@@ -94,11 +97,12 @@ public interface ContainerManager {
    * @return empty response to indicate acceptance of the request 
    *         or an exception
    * @throws YarnRemoteException
+   * @throws IOException
    */
   @Public
   @Stable
   StopContainerResponse stopContainer(StopContainerRequest request)
-      throws YarnRemoteException;
+      throws YarnRemoteException, IOException;
 
   /**
    * <p>The api used by the <code>ApplicationMaster</code> to request for 
@@ -118,9 +122,11 @@ public interface ContainerManager {
    * @return response containing the <code>ContainerStatus</code> of the
    * container
    * @throws YarnRemoteException
+   * @throws IOException
    */
   @Public
   @Stable
   GetContainerStatusResponse getContainerStatus(
-      GetContainerStatusRequest request) throws YarnRemoteException;
+      GetContainerStatusRequest request) throws YarnRemoteException,
+      IOException;
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java

@@ -759,6 +759,10 @@ public class ApplicationMaster {
             + container.getId());
         e.printStackTrace();
         // TODO do we need to release this container?
+      } catch (IOException e) {
+        LOG.info("Start container failed for :" + ", containerId="
+            + container.getId());
+        e.printStackTrace();
       }
 
       // Get container status?

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ContainerManagerPBServiceImpl.java

@@ -18,6 +18,8 @@
 
 package org.apache.hadoop.yarn.api.impl.pb.service;
 
+import java.io.IOException;
+
 import org.apache.hadoop.yarn.api.ContainerManager;
 import org.apache.hadoop.yarn.api.ContainerManagerPB;
 import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusResponse;
@@ -57,6 +59,8 @@ public class ContainerManagerPBServiceImpl implements ContainerManagerPB  {
       return ((GetContainerStatusResponsePBImpl)response).getProto();
     } catch (YarnRemoteException e) {
       throw new ServiceException(e);
+    } catch (IOException e) {
+      throw new ServiceException(e);
     }
   }
 
@@ -69,6 +73,8 @@ public class ContainerManagerPBServiceImpl implements ContainerManagerPB  {
       return ((StartContainerResponsePBImpl)response).getProto();
     } catch (YarnRemoteException e) {
       throw new ServiceException(e);
+    } catch (IOException e) {
+      throw new ServiceException(e);
     }
   }
 
@@ -81,6 +87,8 @@ public class ContainerManagerPBServiceImpl implements ContainerManagerPB  {
       return ((StopContainerResponsePBImpl)response).getProto();
     } catch (YarnRemoteException e) {
       throw new ServiceException(e);
+    } catch (IOException e) {
+      throw new ServiceException(e);
     }
   }
 

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

@@ -396,7 +396,7 @@ public class ContainerManagerImpl extends CompositeService implements
   @SuppressWarnings("unchecked")
   @Override
   public StartContainerResponse startContainer(StartContainerRequest request)
-      throws YarnRemoteException {
+      throws YarnRemoteException, IOException {
 
     if (blockNewContainerRequests.get()) {
       throw RPCUtil.getRemoteException(new NMNotYetReadyException(
@@ -503,7 +503,7 @@ public class ContainerManagerImpl extends CompositeService implements
   @Override
   @SuppressWarnings("unchecked")
   public StopContainerResponse stopContainer(StopContainerRequest request)
-      throws YarnRemoteException {
+      throws YarnRemoteException, IOException {
 
     ContainerId containerID = request.getContainerId();
     String containerIDStr = containerID.toString();
@@ -545,7 +545,8 @@ public class ContainerManagerImpl extends CompositeService implements
 
   @Override
   public GetContainerStatusResponse getContainerStatus(
-      GetContainerStatusRequest request) throws YarnRemoteException {
+      GetContainerStatusRequest request) throws YarnRemoteException,
+      IOException {
 
     ContainerId containerID = request.getContainerId();
     String containerIDStr = containerID.toString();

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

@@ -299,6 +299,8 @@ public class TestNodeManagerResync {
               // class name after YARN-142
               Assert.assertTrue(e.getRemoteTrace().contains(
                 NMNotYetReadyException.class.getName()));
+            } catch (IOException e) {
+              assertionFailedInThread.set(true);
             }
           }
           // no. of containers to be launched should equal to no. of

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

@@ -185,13 +185,13 @@ public abstract class BaseContainerManagerTest {
 
   public static void waitForContainerState(ContainerManager containerManager,
       ContainerId containerID, ContainerState finalState)
-      throws InterruptedException, YarnRemoteException {
+      throws InterruptedException, YarnRemoteException, IOException {
     waitForContainerState(containerManager, containerID, finalState, 20);
   }
 
   public static void waitForContainerState(ContainerManager containerManager,
           ContainerId containerID, ContainerState finalState, int timeOutMax)
-          throws InterruptedException, YarnRemoteException {
+          throws InterruptedException, YarnRemoteException, IOException {
     GetContainerStatusRequest request =
         recordFactory.newRecordInstance(GetContainerStatusRequest.class);
         request.setContainerId(containerID);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/java/org/apache/hadoop/yarn/server/TestContainerManagerSecurity.java

@@ -531,6 +531,9 @@ public class TestContainerManagerSecurity {
           "Unauthorized request to start container. "
               + "\nExpected containerId: " + tokenId.getContainerID()
               + " Found: " + newContainerId.toString()));
+    } catch (IOException e) {
+      LOG.info("Got IOException: ",e);
+      fail("IOException is not expected.");
     }
   }
 
@@ -557,6 +560,9 @@ public class TestContainerManagerSecurity {
       Assert.assertTrue(e.getMessage().contains(
           "\nExpected resource " + tokenId.getResource().toString()
               + " but found " + container.getResource().toString()));
+    } catch (IOException e) {
+      LOG.info("Got IOException: ",e);
+      fail("IOException is not expected.");
     }
   }
 
@@ -585,6 +591,9 @@ public class TestContainerManagerSecurity {
       Assert.assertTrue(e.getMessage().contains(
         "Expected user-name " + tokenId.getApplicationSubmitter()
             + " but found " + context.getUser()));
+    } catch (IOException e) {
+      LOG.info("Got IOException: ",e);
+      fail("IOException is not expected.");
     }
   }