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  1. Hadoop HDFS
  2. HDFS-10962

TestRequestHedgingProxyProvider is flaky

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.6.4
    • Fix Version/s: 2.8.0, 3.0.0-alpha2
    • Component/s: test
    • Labels:
      None

      Description

      This test fails occasionally with an error like this:

      org.apache.hadoop.hdfs.server.namenode.ha.TestRequestHedgingProxyProvider.testHedgingWhenOneFails
      
      
      Error Message
      
      Wanted but not invoked:
      namenodeProtocols.getStats();
      -> at org.apache.hadoop.hdfs.server.namenode.ha.TestRequestHedgingProxyProvider.testHedgingWhenOneFails(TestRequestHedgingProxyProvider.java:78)
      Actually, there were zero interactions with this mock.
      Stacktrace
      
      org.mockito.exceptions.verification.WantedButNotInvoked: 
      Wanted but not invoked:
      namenodeProtocols.getStats();
      -> at org.apache.hadoop.hdfs.server.namenode.ha.TestRequestHedgingProxyProvider.testHedgingWhenOneFails(TestRequestHedgingProxyProvider.java:78)
      Actually, there were zero interactions with this mock.
      
      	at org.apache.hadoop.hdfs.server.namenode.ha.TestRequestHedgingProxyProvider.testHedgingWhenOneFails(TestRequestHedgingProxyProvider.java:78)
      Standard Output
      
      2016-09-26 15:26:02,234 WARN  hdfs.DFSUtil (DFSUtil.java:getAddressesForNameserviceId(689)) - Namenode for mycluster-26780990 remains unresolved for ID nn1.  Check your hdfs-site.xml file to ensure namenodes are configured properly.
      2016-09-26 15:26:02,340 WARN  hdfs.DFSUtil (DFSUtil.java:getAddressesForNameserviceId(689)) - Namenode for mycluster-26780990 remains unresolved for ID nn2.  Check your hdfs-site.xml file to ensure namenodes are configured properly.
      

        Attachments

        1. HDFS-10962.001.patch
          2 kB
          Andrew Wang
        2. HDFS-10962.002.patch
          6 kB
          Andrew Wang

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            People

            • Assignee:
              andrew.wang Andrew Wang
              Reporter:
              andrew.wang Andrew Wang
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              Dates

              • Created:
                Updated:
                Resolved: