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https://issues.apache.org/jira/browse/IMPALA-5760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthew Jacobs resolved IMPALA-5760.
------------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.10.0

Reverted the commit that caused this. I'll close this JIRA and re-open 
IMPALA-4795 with a comment that it needs to address whatever the cause of this 
flakiness was.

commit 4456ead8411ebb8b98282bdd646377a0e76ad6a3
Author: Matthew Jacobs <m...@cloudera.com>
Date:   Tue Aug 8 09:58:51 2017 -0700

    IMPALA-5760: Revert IMPALA-4795
    
    Revert commit 3059024bd8dc63bc1f4ecb91c99e11e2ae34ebb1 for
    IMPALA-4795: Allow fetching function obj from catalog using
    signature
    
    This commit seems to cause TestUdfExecution.test_java_udfs
    to fail periodically.
    
    IMPALA-4795 wasn't a critical fix, so lets just revert it
    until we know we can fix the flaky test at the same time.
    
    Change-Id: Iae56a75e8ec44af6dae50f18869a486e5f8b608c
    Reviewed-on: http://gerrit.cloudera.org:8080/7616
    Reviewed-by: Henry Robinson <he...@cloudera.com>
    Tested-by: Impala Public Jenkins


> Flaky test: query_test/test_udfs.py
> -----------------------------------
>
>                 Key: IMPALA-5760
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5760
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Frontend
>            Reporter: Taras Bobrovytsky
>            Assignee: Matthew Jacobs
>            Priority: Critical
>              Labels: flaky
>             Fix For: Impala 2.10.0
>
>
> There were some random failures of the UDFs test in our builds.
> One of the errors:
> {code}
> query_test/test_udfs.py:316: in test_java_udfs
>     self.run_test_case('QueryTest/java-udf', vector, use_db=unique_database)
> common/impala_test_suite.py:390: in run_test_case
>     result = self.__execute_query(target_impalad_client, query, user=user)
> common/impala_test_suite.py:598: in __execute_query
>     return impalad_client.execute(query, user=user)
> common/impala_connection.py:160: in execute
>     return self.__beeswax_client.execute(sql_stmt, user=user)
> beeswax/impala_beeswax.py:173: in execute
>     handle = self.__execute_query(query_string.strip(), user=user)
> beeswax/impala_beeswax.py:339: in __execute_query
>     self.wait_for_completion(handle)
> beeswax/impala_beeswax.py:359: in wait_for_completion
>     raise ImpalaBeeswaxException("Query aborted:" + error_log, None)
> E   ImpalaBeeswaxException: ImpalaBeeswaxException:
> E    Query aborted:ImpalaRuntimeException: Unable to find class.
> E   CAUSED BY: ClassNotFoundException: org.apache.impala.TestUdf
> {code}



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