Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-10197

TestFsDatasetCache failing intermittently due to timeout

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.8.0, 3.0.0-alpha1
    • Component/s: test
    • Labels:
      None

      Description

      In TestFsDatasetCache, the unit tests failed sometimes. I collected some failed reason in recent jenkins reports. They are all timeout errors.

      Tests in error: 
        TestFsDatasetCache.testFilesExceedMaxLockedMemory:378 ? Timeout Timed out wait...
        TestFsDatasetCache.tearDown:149 ? Timeout Timed out waiting for condition. Thr...
      
      Tests in error: 
        TestFsDatasetCache.testPageRounder:474 ?  test timed out after 60000 milliseco...
        TestBalancer.testUnknownDatanodeSimple:1040->testUnknownDatanode:1098 ?  test ...
      

      But there was a little different between these failure.

      • The first because the total block time was exceed the waitTimeMillis(here is 60s) then throw the timeout exception and print thread diagnostic string in method DFSTestUtil#verifyExpectedCacheUsage.
            long st = Time.now();
            do {
              boolean result = check.get();
              if (result) {
                return;
              }
              
              Thread.sleep(checkEveryMillis);
            } while (Time.now() - st < waitForMillis);
            
            throw new TimeoutException("Timed out waiting for condition. " +
                "Thread diagnostics:\n" +
                TimedOutTestsListener.buildThreadDiagnosticString());
        
      • The second is due to test elapsed time more than timeout time setting. Like in TestFsDatasetCache#testPageRounder.

      We should adjust timeout time for these unit test which would failed sometimes due to timeout.

      1. HDFS-10197.001.patch
        3 kB
        Yiqun Lin
      2. HDFS-10197.002.patch
        2 kB
        Yiqun Lin

        Activity

        Hide
        linyiqun Yiqun Lin added a comment -

        Thanks Andrew Wang for commit!

        Show
        linyiqun Yiqun Lin added a comment - Thanks Andrew Wang for commit!
        Hide
        hudson Hudson added a comment -

        FAILURE: Integrated in Hadoop-trunk-Commit #9520 (See https://builds.apache.org/job/Hadoop-trunk-Commit/9520/)
        HDFS-10197. TestFsDatasetCache failing intermittently due to timeout. (wang: rev f2aec4eb824647a01e14b4eede03af0babe65fb6)

        • hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
        • hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestFsDatasetCache.java
        Show
        hudson Hudson added a comment - FAILURE: Integrated in Hadoop-trunk-Commit #9520 (See https://builds.apache.org/job/Hadoop-trunk-Commit/9520/ ) HDFS-10197 . TestFsDatasetCache failing intermittently due to timeout. (wang: rev f2aec4eb824647a01e14b4eede03af0babe65fb6) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestFsDatasetCache.java
        Hide
        andrew.wang Andrew Wang added a comment -

        Committed! Thank you Yiqun Lin for finding and fixing this.

        Show
        andrew.wang Andrew Wang added a comment - Committed! Thank you Yiqun Lin for finding and fixing this.
        Hide
        linyiqun Yiqun Lin added a comment -

        Thanks Andrew Wang for reviewing the patch. I think we can commit v002 first. Now I'm not sure that reusing minidfs cluster is the main reason to lead TestFsDatasetCache timeout. If timeout still happens, I'm glad to do further optimization.

        Show
        linyiqun Yiqun Lin added a comment - Thanks Andrew Wang for reviewing the patch. I think we can commit v002 first. Now I'm not sure that reusing minidfs cluster is the main reason to lead TestFsDatasetCache timeout. If timeout still happens, I'm glad to do further optimization.
        Hide
        andrew.wang Andrew Wang added a comment -

        Hi Yiqun Lin, thanks for doing the analysis. I'm +1 on your v002 patch.

        If you want to do further optimization on this JIRA, I'm happy to wait for another rev. If not, we can just commit v002 as-is.

        Show
        andrew.wang Andrew Wang added a comment - Hi Yiqun Lin , thanks for doing the analysis. I'm +1 on your v002 patch. If you want to do further optimization on this JIRA, I'm happy to wait for another rev. If not, we can just commit v002 as-is.
        Hide
        linyiqun Yiqun Lin added a comment -

        The minidfs cluster and only one datanode was reused in TestFsDatasetCache, I suspect that will lead to cache block slowly. So could we do a test isolation of minidfs cluster for some timeout test and also set the dfs.datanode.fsdatasetcache.max.threads.per.volume bigger, what do you think of this idea, Andrew Wang.

        Show
        linyiqun Yiqun Lin added a comment - The minidfs cluster and only one datanode was reused in TestFsDatasetCache , I suspect that will lead to cache block slowly. So could we do a test isolation of minidfs cluster for some timeout test and also set the dfs.datanode.fsdatasetcache.max.threads.per.volume bigger, what do you think of this idea, Andrew Wang .
        Hide
        hadoopqa Hadoop QA added a comment -
        -1 overall



        Vote Subsystem Runtime Comment
        0 reexec 0m 10s Docker mode activated.
        +1 @author 0m 0s The patch does not contain any @author tags.
        +1 test4tests 0m 0s The patch appears to include 2 new or modified test files.
        +1 mvninstall 7m 17s trunk passed
        +1 compile 0m 47s trunk passed with JDK v1.8.0_74
        +1 compile 0m 43s trunk passed with JDK v1.7.0_95
        +1 checkstyle 0m 23s trunk passed
        +1 mvnsite 0m 57s trunk passed
        +1 mvneclipse 0m 15s trunk passed
        +1 findbugs 2m 6s trunk passed
        +1 javadoc 1m 8s trunk passed with JDK v1.8.0_74
        +1 javadoc 1m 50s trunk passed with JDK v1.7.0_95
        +1 mvninstall 0m 48s the patch passed
        +1 compile 0m 39s the patch passed with JDK v1.8.0_74
        +1 javac 0m 39s the patch passed
        +1 compile 0m 41s the patch passed with JDK v1.7.0_95
        +1 javac 0m 41s the patch passed
        +1 checkstyle 0m 19s the patch passed
        +1 mvnsite 0m 54s the patch passed
        +1 mvneclipse 0m 12s the patch passed
        +1 whitespace 0m 0s Patch has no whitespace issues.
        +1 findbugs 2m 19s the patch passed
        +1 javadoc 1m 9s the patch passed with JDK v1.8.0_74
        +1 javadoc 1m 51s the patch passed with JDK v1.7.0_95
        -1 unit 55m 41s hadoop-hdfs in the patch failed with JDK v1.8.0_74.
        -1 unit 53m 54s hadoop-hdfs in the patch failed with JDK v1.7.0_95.
        +1 asflicense 0m 24s Patch does not generate ASF License warnings.
        136m 40s



        Reason Tests
        JDK v1.8.0_74 Failed junit tests hadoop.hdfs.TestHFlush
          hadoop.hdfs.TestFileAppend
        JDK v1.7.0_95 Failed junit tests hadoop.hdfs.TestHFlush
          hadoop.hdfs.shortcircuit.TestShortCircuitCache
          hadoop.hdfs.TestSafeMode
          hadoop.hdfs.server.blockmanagement.TestBlockManager



        Subsystem Report/Notes
        Docker Image:yetus/hadoop:fbe3e86
        JIRA Patch URL https://issues.apache.org/jira/secure/attachment/12795150/HDFS-10197.002.patch
        JIRA Issue HDFS-10197
        Optional Tests asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle
        uname Linux 9bbaf1e49ea4 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
        Build tool maven
        Personality /testptch/hadoop/patchprocess/precommit/personality/provided.sh
        git revision trunk / 19b645c
        Default Java 1.7.0_95
        Multi-JDK versions /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
        findbugs v3.0.0
        unit https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt
        unit https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
        unit test logs https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
        JDK v1.7.0_95 Test Results https://builds.apache.org/job/PreCommit-HDFS-Build/14920/testReport/
        modules C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
        Console output https://builds.apache.org/job/PreCommit-HDFS-Build/14920/console
        Powered by Apache Yetus 0.2.0 http://yetus.apache.org

        This message was automatically generated.

        Show
        hadoopqa Hadoop QA added a comment - -1 overall Vote Subsystem Runtime Comment 0 reexec 0m 10s Docker mode activated. +1 @author 0m 0s The patch does not contain any @author tags. +1 test4tests 0m 0s The patch appears to include 2 new or modified test files. +1 mvninstall 7m 17s trunk passed +1 compile 0m 47s trunk passed with JDK v1.8.0_74 +1 compile 0m 43s trunk passed with JDK v1.7.0_95 +1 checkstyle 0m 23s trunk passed +1 mvnsite 0m 57s trunk passed +1 mvneclipse 0m 15s trunk passed +1 findbugs 2m 6s trunk passed +1 javadoc 1m 8s trunk passed with JDK v1.8.0_74 +1 javadoc 1m 50s trunk passed with JDK v1.7.0_95 +1 mvninstall 0m 48s the patch passed +1 compile 0m 39s the patch passed with JDK v1.8.0_74 +1 javac 0m 39s the patch passed +1 compile 0m 41s the patch passed with JDK v1.7.0_95 +1 javac 0m 41s the patch passed +1 checkstyle 0m 19s the patch passed +1 mvnsite 0m 54s the patch passed +1 mvneclipse 0m 12s the patch passed +1 whitespace 0m 0s Patch has no whitespace issues. +1 findbugs 2m 19s the patch passed +1 javadoc 1m 9s the patch passed with JDK v1.8.0_74 +1 javadoc 1m 51s the patch passed with JDK v1.7.0_95 -1 unit 55m 41s hadoop-hdfs in the patch failed with JDK v1.8.0_74. -1 unit 53m 54s hadoop-hdfs in the patch failed with JDK v1.7.0_95. +1 asflicense 0m 24s Patch does not generate ASF License warnings. 136m 40s Reason Tests JDK v1.8.0_74 Failed junit tests hadoop.hdfs.TestHFlush   hadoop.hdfs.TestFileAppend JDK v1.7.0_95 Failed junit tests hadoop.hdfs.TestHFlush   hadoop.hdfs.shortcircuit.TestShortCircuitCache   hadoop.hdfs.TestSafeMode   hadoop.hdfs.server.blockmanagement.TestBlockManager Subsystem Report/Notes Docker Image:yetus/hadoop:fbe3e86 JIRA Patch URL https://issues.apache.org/jira/secure/attachment/12795150/HDFS-10197.002.patch JIRA Issue HDFS-10197 Optional Tests asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle uname Linux 9bbaf1e49ea4 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Build tool maven Personality /testptch/hadoop/patchprocess/precommit/personality/provided.sh git revision trunk / 19b645c Default Java 1.7.0_95 Multi-JDK versions /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 findbugs v3.0.0 unit https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt unit https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt unit test logs https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt https://builds.apache.org/job/PreCommit-HDFS-Build/14920/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt JDK v1.7.0_95 Test Results https://builds.apache.org/job/PreCommit-HDFS-Build/14920/testReport/ modules C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs Console output https://builds.apache.org/job/PreCommit-HDFS-Build/14920/console Powered by Apache Yetus 0.2.0 http://yetus.apache.org This message was automatically generated.
        Hide
        linyiqun Yiqun Lin added a comment -

        Thanks Andrew Wang for comments.

        However, do you have any ideas about why the tests take so long to run? A better solution is to optimize the tests to run faster.

        I analysed some of this, the three places are all due to timeout of waitting for cache blocks and its cache used. It indicated that sometimes caching blocks is slow. One comment from me:

        • Now the config dfs.datanode.fsdatasetcache.max.threads.per.volume is default set as 4. when more than 4 blocks are caching at the same time in unit tests(Like in testPageRounder, numblocks is 5), it seems some will be waitting. We can adjust this value to a bigger value.

        Update the latest patch for addressing comments, pending jenkins.

        Show
        linyiqun Yiqun Lin added a comment - Thanks Andrew Wang for comments. However, do you have any ideas about why the tests take so long to run? A better solution is to optimize the tests to run faster. I analysed some of this, the three places are all due to timeout of waitting for cache blocks and its cache used. It indicated that sometimes caching blocks is slow. One comment from me: Now the config dfs.datanode.fsdatasetcache.max.threads.per.volume is default set as 4. when more than 4 blocks are caching at the same time in unit tests(Like in testPageRounder , numblocks is 5), it seems some will be waitting. We can adjust this value to a bigger value. Update the latest patch for addressing comments, pending jenkins.
        Hide
        andrew.wang Andrew Wang added a comment -

        Thanks for filing this JIRA Yiqun Lin! I think we can just bump the 60000 to 120000 directly, if we want to pursue this path.

        However, do you have any ideas about why the tests take so long to run? A better solution is to optimize the tests to run faster.

        Show
        andrew.wang Andrew Wang added a comment - Thanks for filing this JIRA Yiqun Lin ! I think we can just bump the 60000 to 120000 directly, if we want to pursue this path. However, do you have any ideas about why the tests take so long to run? A better solution is to optimize the tests to run faster.
        Hide
        hadoopqa Hadoop QA added a comment -
        -1 overall



        Vote Subsystem Runtime Comment
        0 reexec 0m 19s Docker mode activated.
        +1 @author 0m 0s The patch does not contain any @author tags.
        +1 test4tests 0m 0s The patch appears to include 2 new or modified test files.
        +1 mvninstall 11m 21s trunk passed
        +1 compile 1m 37s trunk passed with JDK v1.8.0_74
        +1 compile 1m 10s trunk passed with JDK v1.7.0_95
        +1 checkstyle 0m 35s trunk passed
        +1 mvnsite 1m 30s trunk passed
        +1 mvneclipse 0m 24s trunk passed
        +1 findbugs 3m 7s trunk passed
        +1 javadoc 2m 10s trunk passed with JDK v1.8.0_74
        +1 javadoc 3m 8s trunk passed with JDK v1.7.0_95
        +1 mvninstall 1m 13s the patch passed
        +1 compile 1m 8s the patch passed with JDK v1.8.0_74
        +1 javac 1m 8s the patch passed
        +1 compile 0m 55s the patch passed with JDK v1.7.0_95
        +1 javac 0m 55s the patch passed
        +1 checkstyle 0m 25s the patch passed
        +1 mvnsite 1m 6s the patch passed
        +1 mvneclipse 0m 16s the patch passed
        +1 whitespace 0m 0s Patch has no whitespace issues.
        +1 findbugs 2m 42s the patch passed
        +1 javadoc 1m 37s the patch passed with JDK v1.8.0_74
        +1 javadoc 2m 37s the patch passed with JDK v1.7.0_95
        -1 unit 76m 6s hadoop-hdfs in the patch failed with JDK v1.8.0_74.
        -1 unit 0m 22s hadoop-hdfs in the patch failed with JDK v1.7.0_95.
        -1 asflicense 0m 31s Patch generated 2 ASF License warnings.
        118m 23s



        Reason Tests
        JDK v1.8.0_74 Failed junit tests hadoop.hdfs.shortcircuit.TestShortCircuitCache
          hadoop.hdfs.server.datanode.TestDirectoryScanner
          hadoop.hdfs.web.TestWebHdfsTimeouts
          hadoop.hdfs.server.namenode.TestEditLog
          hadoop.hdfs.server.namenode.ha.TestEditLogTailer
          hadoop.hdfs.server.namenode.TestFileTruncate
          hadoop.hdfs.server.datanode.TestDataNodeUUID
          hadoop.hdfs.security.TestDelegationTokenForProxyUser
        JDK v1.8.0_74 Timed out junit tests org.apache.hadoop.hdfs.TestFileCreationClient
          org.apache.hadoop.hdfs.TestLeaseRecovery
          org.apache.hadoop.hdfs.server.balancer.TestBalancer
          org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding



        Subsystem Report/Notes
        Docker Image:yetus/hadoop:fbe3e86
        JIRA Patch URL https://issues.apache.org/jira/secure/attachment/12794921/HDFS-10197.001.patch
        JIRA Issue HDFS-10197
        Optional Tests asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle
        uname Linux 5b406034ff3c 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
        Build tool maven
        Personality /testptch/hadoop/patchprocess/precommit/personality/provided.sh
        git revision trunk / a107cee
        Default Java 1.7.0_95
        Multi-JDK versions /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
        findbugs v3.0.0
        unit https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt
        unit https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
        unit test logs https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt
        JDK v1.7.0_95 Test Results https://builds.apache.org/job/PreCommit-HDFS-Build/14905/testReport/
        asflicense https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-asflicense-problems.txt
        modules C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
        Console output https://builds.apache.org/job/PreCommit-HDFS-Build/14905/console
        Powered by Apache Yetus 0.2.0 http://yetus.apache.org

        This message was automatically generated.

        Show
        hadoopqa Hadoop QA added a comment - -1 overall Vote Subsystem Runtime Comment 0 reexec 0m 19s Docker mode activated. +1 @author 0m 0s The patch does not contain any @author tags. +1 test4tests 0m 0s The patch appears to include 2 new or modified test files. +1 mvninstall 11m 21s trunk passed +1 compile 1m 37s trunk passed with JDK v1.8.0_74 +1 compile 1m 10s trunk passed with JDK v1.7.0_95 +1 checkstyle 0m 35s trunk passed +1 mvnsite 1m 30s trunk passed +1 mvneclipse 0m 24s trunk passed +1 findbugs 3m 7s trunk passed +1 javadoc 2m 10s trunk passed with JDK v1.8.0_74 +1 javadoc 3m 8s trunk passed with JDK v1.7.0_95 +1 mvninstall 1m 13s the patch passed +1 compile 1m 8s the patch passed with JDK v1.8.0_74 +1 javac 1m 8s the patch passed +1 compile 0m 55s the patch passed with JDK v1.7.0_95 +1 javac 0m 55s the patch passed +1 checkstyle 0m 25s the patch passed +1 mvnsite 1m 6s the patch passed +1 mvneclipse 0m 16s the patch passed +1 whitespace 0m 0s Patch has no whitespace issues. +1 findbugs 2m 42s the patch passed +1 javadoc 1m 37s the patch passed with JDK v1.8.0_74 +1 javadoc 2m 37s the patch passed with JDK v1.7.0_95 -1 unit 76m 6s hadoop-hdfs in the patch failed with JDK v1.8.0_74. -1 unit 0m 22s hadoop-hdfs in the patch failed with JDK v1.7.0_95. -1 asflicense 0m 31s Patch generated 2 ASF License warnings. 118m 23s Reason Tests JDK v1.8.0_74 Failed junit tests hadoop.hdfs.shortcircuit.TestShortCircuitCache   hadoop.hdfs.server.datanode.TestDirectoryScanner   hadoop.hdfs.web.TestWebHdfsTimeouts   hadoop.hdfs.server.namenode.TestEditLog   hadoop.hdfs.server.namenode.ha.TestEditLogTailer   hadoop.hdfs.server.namenode.TestFileTruncate   hadoop.hdfs.server.datanode.TestDataNodeUUID   hadoop.hdfs.security.TestDelegationTokenForProxyUser JDK v1.8.0_74 Timed out junit tests org.apache.hadoop.hdfs.TestFileCreationClient   org.apache.hadoop.hdfs.TestLeaseRecovery   org.apache.hadoop.hdfs.server.balancer.TestBalancer   org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding Subsystem Report/Notes Docker Image:yetus/hadoop:fbe3e86 JIRA Patch URL https://issues.apache.org/jira/secure/attachment/12794921/HDFS-10197.001.patch JIRA Issue HDFS-10197 Optional Tests asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle uname Linux 5b406034ff3c 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Build tool maven Personality /testptch/hadoop/patchprocess/precommit/personality/provided.sh git revision trunk / a107cee Default Java 1.7.0_95 Multi-JDK versions /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 findbugs v3.0.0 unit https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt unit https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt unit test logs https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt JDK v1.7.0_95 Test Results https://builds.apache.org/job/PreCommit-HDFS-Build/14905/testReport/ asflicense https://builds.apache.org/job/PreCommit-HDFS-Build/14905/artifact/patchprocess/patch-asflicense-problems.txt modules C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs Console output https://builds.apache.org/job/PreCommit-HDFS-Build/14905/console Powered by Apache Yetus 0.2.0 http://yetus.apache.org This message was automatically generated.
        Hide
        linyiqun Yiqun Lin added a comment -

        Attach a simple patch to fix this.

        Show
        linyiqun Yiqun Lin added a comment - Attach a simple patch to fix this.

          People

          • Assignee:
            linyiqun Yiqun Lin
            Reporter:
            linyiqun Yiqun Lin
          • Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development