[ https://issues.apache.org/jira/browse/HDFS-10878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rushabh S Shah updated HDFS-10878: ---------------------------------- Status: Open (was: Patch Available) Need to address checkstyle warning. > 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.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} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org