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Hadoop QA commented on HDFS-8827: --------------------------------- \\ \\ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:red}-1{color} | pre-patch | 15m 16s | Findbugs (version ) appears to be broken on HDFS-7285. | | {color:green}+1{color} | @author | 0m 0s | The patch does not contain any @author tags. | | {color:green}+1{color} | tests included | 0m 0s | The patch appears to include 1 new or modified test files. | | {color:green}+1{color} | javac | 7m 34s | There were no new javac warning messages. | | {color:green}+1{color} | javadoc | 9m 33s | There were no new javadoc warning messages. | | {color:red}-1{color} | release audit | 0m 15s | The applied patch generated 1 release audit warnings. | | {color:green}+1{color} | checkstyle | 0m 38s | There were no new checkstyle issues. | | {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that end in whitespace. | | {color:green}+1{color} | install | 1m 38s | mvn install still works. | | {color:green}+1{color} | eclipse:eclipse | 0m 33s | The patch built with eclipse:eclipse. | | {color:red}-1{color} | findbugs | 3m 23s | The patch appears to introduce 5 new Findbugs (version 3.0.0) warnings. | | {color:green}+1{color} | native | 3m 16s | Pre-build of native portion | | {color:red}-1{color} | hdfs tests | 182m 35s | Tests failed in hadoop-hdfs. | | | | 224m 46s | | \\ \\ || Reason || Tests || | FindBugs | module:hadoop-hdfs | | Failed unit tests | hadoop.hdfs.TestWriteStripedFileWithFailure | | | hadoop.hdfs.server.namenode.TestFileTruncate | | | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA | \\ \\ || Subsystem || Report/Notes || | Patch URL | http://issues.apache.org/jira/secure/attachment/12749086/HDFS-8827-HDFS-7285.04.patch | | Optional Tests | javadoc javac unit findbugs checkstyle | | git revision | HDFS-7285 / 8799363 | | Release Audit | https://builds.apache.org/job/PreCommit-HDFS-Build/11919/artifact/patchprocess/patchReleaseAuditProblems.txt | | Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/11919/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html | | hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11919/artifact/patchprocess/testrun_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11919/testReport/ | | Java | 1.7.0_55 | | uname | Linux asf901.gq1.ygridcore.net 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 | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/11919/console | This message was automatically generated. > Erasure Coding: When namenode processes over replicated striped block, NPE > will be occur in ReplicationMonitor > -------------------------------------------------------------------------------------------------------------- > > Key: HDFS-8827 > URL: https://issues.apache.org/jira/browse/HDFS-8827 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Takuya Fukudome > Assignee: Takuya Fukudome > Attachments: HDFS-8827-HDFS-7285.04.patch, HDFS-8827.1.patch, > HDFS-8827.2.patch, HDFS-8827.3.patch, processing-over-replica-npe.log > > > In our test cluster, when namenode processed over replicated striped blocks, > null pointer exception(NPE) occurred. This happened under below situation: 1) > some datanodes shutdown. 2) namenode recovers block group which lost internal > blocks. 3) restart the stopped datanodes. 4) namenode processes over > replicated striped blocks. 5) NPE occurs > I think BlockPlacementPolicyDefault#chooseReplicaToDelete will return null in > this situation which causes this NPE problem. -- This message was sent by Atlassian JIRA (v6.3.4#6332)