[ACCUMULO-2228] Security randomwalk fails when namenode dies before bulk import

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.4.4
• Component/s: test
• Labels: ha randomwalk test
• Assignee: Bill Havanki
• Reporter: Bill Havanki
• Created: 20/Jan/14 22:04
• Updated: 03/Apr/14 22:05
• Resolved: 22/Jan/14 19:42

Description

Running Security randomwalk under HDFS HA, if the active namenode is killed:

20 13:55:58,287 [retry.RetryInvocationHandler] WARN : Exception while invoking class org.apache.hado
op.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create. Not retrying because the invoked metho
d is not idempotent, and unable to determine whether it was invoked
java.io.IOException: Failed on local exception: java.io.IOException: Response is null.; Host Details
 : local host is: "slave.domain.com/10.20.200.113"; destination host is: "namenode.domain.com":8020;
...
        at org.apache.accumulo.core.file.rfile.RFileOperations.openWriter(RFileOperations.java:124)
        at org.apache.accumulo.core.file.DispatchingFileFactory.openWriter(FileOperations.java:80)
        at org.apache.accumulo.server.test.randomwalk.security.TableOp.visit(TableOp.java:177)
        at org.apache.accumulo.server.test.randomwalk.Module.visit(Module.java:251)
...
Caused by: java.io.IOException: Response is null.
        at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:952)
        at org.apache.hadoop.ipc.Client$Connection.run(Client.java:847)

This arises from an attempt to write an rfile.The test should be resilient here (and for other file system operations) so that the test can continue once failover has completed.