See https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/283/
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[INFO] Reactor Summary:
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[INFO] Apache Hadoop HDFS ................................ SUCCESS [5:28.385s]
[INFO] Apache Hadoop HttpFS .............................. SUCCESS [48.478s]
[INFO] Apache Hadoop HDFS Project ........................ SUCCESS [0.055s]
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[INFO] Finished at: Sun Jun 10 11:41:39 UTC 2012
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Archiving artifacts
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Sending e-mails to: hdfs-dev@hadoop.apache.org
Email was triggered for: Unstable
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############################## FAILED TESTS (if any)
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1 tests failed.
REGRESSION:
org.apache.hadoop.hdfs.server.namenode.TestLargeDirectoryDelete.largeDelete
Error Message:
IPC server unable to read call parameters: readObject can't find class
org.apache.hadoop.io.Writable
Stack Trace:
java.lang.RuntimeException: IPC server unable to read call parameters:
readObject can't find class org.apache.hadoop.io.Writable
at org.apache.hadoop.ipc.Client.call(Client.java:1088)
at
org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:195)
at $Proxy12.addBlock(Unknown Source)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:102)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:67)
at $Proxy12.addBlock(Unknown Source)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1097)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:973)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:455)
