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From "Bill Havanki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2466) Bulk randomwalk fails with bad key
Date Thu, 13 Mar 2014 16:07:44 GMT
Bill Havanki created ACCUMULO-2466:
--------------------------------------

             Summary: Bulk randomwalk fails with bad key
                 Key: ACCUMULO-2466
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2466
             Project: Accumulo
          Issue Type: Bug
          Components: master, test
    Affects Versions: 1.4.4
            Reporter: Bill Havanki


Running bulk randomwalk against 1.4.5-SNAPSHOT, got this in verification:

{noformat}
Caused by: java.lang.Exception: Bad key at r00000 cf:000 [] 1394658887772 false 1
        at org.apache.accumulo.server.test.randomwalk.bulk.Verify.visit(Verify.java:65)
{noformat}

Possible reasons:
* ACCUMULO-2110, not backported to 1.4 or 1.5
* master agitation

I see in the logs three internal errors from imports that failed due to the masters being
restarted. The failure timing is around 5 seconds after the masters restart. Example:

{noformat}
12 14:10:17,580 [bulk.BulkMinusOne] ERROR: org.apache.accumulo.core.client.AccumuloException:
Intern
al error processing waitForTableOperation
org.apache.accumulo.core.client.AccumuloException: Internal error processing waitForTableOperation
        at org.apache.accumulo.core.client.admin.TableOperationsImpl.doTableOperation(TableOperation
sImpl.java:290)
        at org.apache.accumulo.core.client.admin.TableOperationsImpl.doTableOperation(TableOperation
sImpl.java:258)
        at org.apache.accumulo.core.client.admin.TableOperationsImpl.importDirectory(TableOperations
Impl.java:947)
        at org.apache.accumulo.server.test.randomwalk.bulk.BulkPlusOne.bulkLoadLots(BulkPlusOne.java
:99)
        at org.apache.accumulo.server.test.randomwalk.bulk.BulkMinusOne.runLater(BulkMinusOne.java:2
9)
...
Caused by: org.apache.thrift.TApplicationException: Internal error processing waitForTableOperation
{noformat}

Two BulkMinusOne and one BulkPlusOne failed, which may be why the offending row was at value
1.

The {{TableOperationsImpl.waitForTableOperation}} method does not catch {{TApplicationException}},
so the imports fail.

I see lots of previous work on this sort of error in ACCUMULO-334 and ACCUMULO-2110. If anyone
has troubleshooting tips I'd be happy to hear them.



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