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Flume >> mail # user >> 1.4 unit test failing in Bamboo


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Edward Sargisson 2013-08-03, 14:19
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1.4 unit test failing in Bamboo
I've done a small proof of concept on some flume sink customizations in 1.3.1.  I want to incorporate these customizations into our build server (Bamboo).  I started by creating a local git repo of 1.4 and I'm able to run a mvn clean install just fine.  However when I push the raw un-altered code to our build server the build fails and not consistently.

Half the time TestExecSource fails in flume-ng-core:

build    01-Aug-2013 22:56:11    testMonitoredCounterGroup(org.apache.flume.source.TestExecSource)  Time elapsed: 1264 sec  <<< FAILURE!
build    01-Aug-2013 22:56:11    org.junit.ComparisonFailure: Expected Value: 5 expected:<[5]> but was:<[0]>
build    01-Aug-2013 22:56:11        at org.junit.Assert.assertEquals(Assert.java:125)
build    01-Aug-2013 22:56:11        at org.apache.flume.source.TestExecSource.testMonitoredCounterGroup(TestExecSource.java:215)

When that passes my build fails in flume-hdfs-sink
build    02-Aug-2013 00:03:30    simpleHDFSGZipCompressedTest(org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster)  Time elapsed: 2676 sec  <<< ERROR!
build    02-Aug-2013 00:03:30    java.lang.NullPointerException
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:422)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:280)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:124)
build    02-Aug-2013 00:03:30        at org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster.simpleHDFSGZipCompressedTest(TestHDFSEventSinkOnMiniCluster.java:164)
...
build    02-Aug-2013 00:03:30    underReplicationTest(org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster)  Time elapsed: 31 sec  <<< ERROR!
build    02-Aug-2013 00:03:30    java.io.IOException: Cannot lock storage target/test/dfs/dfs/name1. The directory is already locked.
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:602)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1219)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1237)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1164)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:184)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:267)
build    02-Aug-2013 00:03:30        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:124)
I'm at a loss to explain the inconsistency of flume-ng-core and when it does succeed how to solve the failure of HDFS-sink.  Any advice would be appreciated.
Thanks,

Mike
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