Merge branch 'trunk' into HDFS-6581

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -545,6 +545,9 @@ Release 2.6.0 - UNRELEASED
 
     HADOOP-11009. Add Timestamp Preservation to DistCp (Gary Steelman via aw)
 
+    HADOOP-11101. How about inputstream close statement from catch block to
+    finally block in FileContext#copy() ( skrho via vinayakumarb )
+
   OPTIMIZATIONS
 
     HADOOP-10838. Byte array native checksumming. (James Thomas via todd)

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileContext.java

@@ -2021,10 +2021,9 @@ public final class FileContext {
                 EnumSet.of(CreateFlag.CREATE);
           out = create(qDst, createFlag);
           IOUtils.copyBytes(in, out, conf, true);
-        } catch (IOException e) {
+        } finally {
           IOUtils.closeStream(out);
           IOUtils.closeStream(in);
-          throw e;
         }
       }
       if (deleteSource) {

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -582,6 +582,9 @@ Release 2.6.0 - UNRELEASED
 
     HDFS-7138. Fix hftp to work with encryption. (clamb via wang)
 
+    HDFS-7118. Improve diagnostics on storage directory rename operations by
+    using NativeIO#renameTo in Storage#rename. (cnauroth)
+
   OPTIMIZATIONS
 
     HDFS-6690. Deduplicate xattr names in memory. (wang)

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java

@@ -36,6 +36,8 @@ import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.NodeType;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
+import org.apache.hadoop.io.nativeio.NativeIO;
+import org.apache.hadoop.io.nativeio.NativeIOException;
 import org.apache.hadoop.util.ToolRunner;
 import org.apache.hadoop.util.VersionInfo;
 
@@ -986,9 +988,13 @@ public abstract class Storage extends StorageInfo {
   }
 
   public static void rename(File from, File to) throws IOException {
-    if (!from.renameTo(to))
+    try {
-      throw new IOException("Failed to rename " 
+      NativeIO.renameTo(from, to);
-                            + from.getCanonicalPath() + " to " + to.getCanonicalPath());
+    } catch (NativeIOException e) {
+      throw new IOException("Failed to rename " + from.getCanonicalPath()
+        + " to " + to.getCanonicalPath() + " due to failure in native rename. "
+        + e.toString());
+    }
   }
 
   /**

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileJournalManager.java

@@ -21,6 +21,7 @@ import static org.apache.hadoop.hdfs.server.namenode.TestEditLog.TXNS_PER_FAIL;
 import static org.apache.hadoop.hdfs.server.namenode.TestEditLog.TXNS_PER_ROLL;
 import static org.apache.hadoop.hdfs.server.namenode.TestEditLog.setupEdits;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 import java.io.File;
@@ -42,8 +43,11 @@ import org.apache.hadoop.hdfs.server.namenode.JournalManager.CorruptionException
 import org.apache.hadoop.hdfs.server.namenode.NNStorage.NameNodeDirType;
 import org.apache.hadoop.hdfs.server.namenode.TestEditLog.AbortSpec;
 import org.apache.hadoop.io.IOUtils;
+import org.apache.hadoop.util.NativeCodeLoader;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
 
 import com.google.common.base.Joiner;
 import com.google.common.collect.ImmutableList;
@@ -59,6 +63,9 @@ public class TestFileJournalManager {
     EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);
   }
 
+  @Rule
+  public ExpectedException exception = ExpectedException.none();
+
   @Before
   public void setUp() {
     conf = new Configuration();
@@ -472,6 +479,36 @@ public class TestFileJournalManager {
     }
   }
 
+  /**
+   * Tests that internal renames are done using native code on platforms that
+   * have it.  The native rename includes more detailed information about the
+   * failure, which can be useful for troubleshooting.
+   */
+  @Test
+  public void testDoPreUpgradeIOError() throws IOException {
+    File storageDir = new File(TestEditLog.TEST_DIR, "preupgradeioerror");
+    List<URI> editUris = Collections.singletonList(storageDir.toURI());
+    NNStorage storage = setupEdits(editUris, 5);
+    StorageDirectory sd = storage.dirIterator(NameNodeDirType.EDITS).next();
+    assertNotNull(sd);
+    // Change storage directory so that renaming current to previous.tmp fails.
+    FileUtil.setWritable(storageDir, false);
+    FileJournalManager jm = null;
+    try {
+      jm = new FileJournalManager(conf, sd, storage);
+      exception.expect(IOException.class);
+      if (NativeCodeLoader.isNativeCodeLoaded()) {
+        exception.expectMessage("failure in native rename");
+      }
+      jm.doPreUpgrade();
+    } finally {
+      IOUtils.cleanup(LOG, jm);
+      // Restore permissions on storage directory and make sure we can delete.
+      FileUtil.setWritable(storageDir, true);
+      FileUtil.fullyDelete(storageDir);
+    }
+  }
+
   private static String getLogsAsString(
       FileJournalManager fjm, long firstTxId) throws IOException {
     return Joiner.on(",").join(fjm.getRemoteEditLogs(firstTxId, false));

hadoop-mapreduce-project/CHANGES.txt

@@ -222,6 +222,8 @@ Trunk (Unreleased)
 
     MAPREDUCE-6077. native-task: Remove CustomModule examples in nativetask (seanzhong)
 
+    MAPREDUCE-6078. native-task: fix gtest build on macosx (Binglin Chang)
+
 Release 2.6.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/CMakeLists.txt

@@ -249,11 +249,6 @@ add_executable(nttest
     ${D}/test/test_commons.cc)
 
 
-IF (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-    # macos clang with libc++ does not have tr1/tuple, just tuple
-    SET_TARGET_PROPERTIES(nttest PROPERTIES COMPILE_FLAGS "-DGTEST_USE_OWN_TR1_TUPLE=1")
-ENDIF()
-
 target_link_libraries(nttest
      nativetask_static
      gtest

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/gtest/gtest_main.cc

@@ -1,39 +0,0 @@
-// Copyright 2006, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <iostream>
-
-#include "gtest/gtest.h"
-
-GTEST_API_ int main(int argc, char **argv) {
-  std::cout << "Running main() from gtest_main.cc\n";
-
-  testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}