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https://issues.apache.org/jira/browse/HDFS-10878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15543545#comment-15543545
]
Hadoop QA commented on HDFS-10878:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} docker {color} | {color:red} 0m
2s{color} | {color:red} Docker failed to build yetus/hadoop:9560f25. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-10878 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12831395/HDFS-10878-1.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16983/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> TestDFSClientRetries#testIdempotentAllocateBlockAndClose throws
> ConcurrentModificationException
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-10878
> URL: https://issues.apache.org/jira/browse/HDFS-10878
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.7.3
> Reporter: Rushabh S Shah
> Assignee: Rushabh S Shah
> Attachments: HDFS-10878-1.patch, HDFS-10878.patch
>
>
> This failed in our internal build
> {noformat}
> java.util.ConcurrentModificationException: null
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
> at java.util.ArrayList$Itr.next(ArrayList.java:851)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguousUnderConstruction.appendUCParts(BlockInfoContiguousUnderConstruction.java:396)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguousUnderConstruction.appendStringTo(BlockInfoContiguousUnderConstruction.java:382)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguousUnderConstruction.toString(BlockInfoContiguousUnderConstruction.java:375)
> at java.lang.String.valueOf(String.java:2982)
> at java.lang.StringBuilder.append(StringBuilder.java:131)
> at
> org.apache.hadoop.hdfs.protocol.ExtendedBlock.toString(ExtendedBlock.java:121)
> at com.google.common.base.Joiner.toString(Joiner.java:533)
> at com.google.common.base.Joiner.appendTo(Joiner.java:124)
> at com.google.common.base.Joiner.appendTo(Joiner.java:181)
> at com.google.common.base.Joiner.join(Joiner.java:237)
> at com.google.common.base.Joiner.join(Joiner.java:226)
> at com.google.common.base.Joiner.join(Joiner.java:245)
> at
> org.apache.hadoop.hdfs.TestDFSClientRetries$3.answer(TestDFSClientRetries.java:485)
> at
> org.apache.hadoop.hdfs.TestDFSClientRetries$3.answer(TestDFSClientRetries.java:477)
> at
> org.mockito.internal.stubbing.StubbedInvocationMatcher.answer(StubbedInvocationMatcher.java:31)
> at org.mockito.internal.MockHandler.handle(MockHandler.java:97)
> at
> org.mockito.internal.creation.MethodInterceptorFilter.intercept(MethodInterceptorFilter.java:47)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer$$EnhancerByMockitoWithCGLIB$$cca97ed1.complete(<generated>)
> at
> org.apache.hadoop.hdfs.DFSOutputStream.completeFile(DFSOutputStream.java:2303)
> at
> org.apache.hadoop.hdfs.DFSOutputStream.closeImpl(DFSOutputStream.java:2279)
> at
> org.apache.hadoop.hdfs.DFSOutputStream.close(DFSOutputStream.java:2243)
> at
> org.apache.hadoop.hdfs.TestDFSClientRetries.testIdempotentAllocateBlockAndClose(TestDFSClientRetries.java:507)
> {noformat}
> Its getting NPE in following Log message
> {code:title=TestDFSClientRetries.java|borderStyle=solid}
> @Test
> public void testIdempotentAllocateBlockAndClose() throws Exception {
> ...
> public Boolean answer(InvocationOnMock invocation) throws
> Throwable {
> // complete() may return false a few times before it returns
> // true. We want to wait until it returns true, and then
> // make it retry one more time after that.
> LOG.info("Called complete(: " +
> Joiner.on(",").join(invocation.getArguments()) + ")");
> ...
> }
> {code}
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