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https://issues.apache.org/jira/browse/TRAFODION-3268?focusedWorklogId=192470&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-192470
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ASF GitHub Bot logged work on TRAFODION-3268:
---------------------------------------------
Author: ASF GitHub Bot
Created on: 30/Jan/19 19:34
Start Date: 30/Jan/19 19:34
Worklog Time Spent: 10m
Work Description: Traf-Jenkins commented on issue #1784: [TRAFODION-3268]
[TRAFODION-3269] [TRAFODION-3269] Library manager fixes and LOB alter fix
URL: https://github.com/apache/trafodion/pull/1784#issuecomment-459078711
Test Passed. https://jenkins.esgyn.com/job/Check-PR-master/3116/
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Issue Time Tracking
-------------------
Worklog Id: (was: 192470)
Time Spent: 50m (was: 40m)
> UDF|TMUDF returns various errors regarding dlopen cached_libs file
> ------------------------------------------------------------------
>
> Key: TRAFODION-3268
> URL: https://issues.apache.org/jira/browse/TRAFODION-3268
> Project: Apache Trafodion
> Issue Type: Bug
> Components: sql-general
> Reporter: Sandhya Sundaresan
> Assignee: Sandhya Sundaresan
> Priority: Major
> Fix For: 2.4
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> In the latest version, we started to see various random errors returned from
> queries with UDF or TMUDF. The errors sometimes are 4316 error indicating
> failures to create the cached_libs directory, sometimes are 11245|11248
> errors complaining about 'file too short' with the cached file. Whenever the
> errors occurred, the actual file appeared to exist in the cached_libs
> directory on every node.
> It is a regression introduced presumably because of the UDF|TMUDF
> cached_libs concept. This problem doesn't always happen. Sometimes the same
> sequence of statements failed previously would work fine the next time. It's
> also not clear if this only happens on a multi-node cluster, as the errors
> were seen on nap035, which happens to be a 4-node cluster.
> Here are a few examples of these failures seen from the SQL regression run:
> ===========================================================================
> SQL>select * from myview v, mytable t
> +>where (qa_udf_integer(v.a), qa_udf_integer(t.b)) >
> +>all (select qa_udf_integer(a), qa_udf_integer(b) from mytable2
> +>where qa_udf_integer(a) = qa_udf_integer(b));
> *** ERROR[4316] An error was detected while extracting a udr routine library
> to local cache : Error 0 creating directory
> :/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/MYTEST/ .
> ===========================================================================
> SQL>select * from
> UDF(MYTMFUNC(TABLE(select * from
> trafodion.zzz_single_stream_features_namespace.mytable),
> 'TEST_CMPTIME_RUNTIME_OUT_TABLE_DEFINED_USING_PASSTHRU', '3')) t1,
> UDF(MYTMFUNC(TABLE(select * from
> trafodion.zzz_single_stream_features_namespace_myns.mytable),
> 'TEST_CMPTIME_RUNTIME_OUT_TABLE_DEFINED_USING_PASSTHRU', '3')) t2,
> UDF(MYTMFUNC(TABLE(select * from
> trafodion.zzz_single_stream_features_namespace_myns.mytable_too),
> 'TEST_CMPTIME_RUNTIME_OUT_TABLE_DEFINED_USING_PASSTHRU', '3')) t3
> where t1.a = t2.a and t2.a = t3.a order by 1;
> *** ERROR[11245] An error occurred loading library
> 'qaTmudfTest_212414198362332378.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/ZZZ_SINGLE_STREAM_FEATURES_NAMESPACE_MYNS'.
> [2019-01-14 00:50:22]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/ZZZ_SINGLE_STREAM_FEATURES_NAMESPACE_MYNS/qaTmudfTest_212414198362332378.so:
> file too short. [2019-01-14 00:50:22]
> ===========================================================================
> SQL>select * from myview v, mytable t
> where (qa_udf_integer(v.a), qa_udf_integer(t.b)) >
> all (select qa_udf_integer(a), qa_udf_integer(b) from mytable2
> where qa_udf_integer(a) = qa_udf_integer(b));
> *** ERROR[11245] An error occurred loading library
> 'qaUdfTest_212414083371782103.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL'.
> [2019-01-12 15:20:07]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL/qaUdfTest_212414083371782103.so:
> file too short. [2019-01-12 15:20:07]
> *** ERROR[11245] An error occurred loading library
> 'qaUdfTest_212414083371782103.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL'.
> [2019-01-12 15:20:07]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL/qaUdfTest_212414083371782103.so:
> file too short. [2019-01-12 15:20:07]
> *** ERROR[11245] An error occurred loading library
> 'qaUdfTest_212414083371782103.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL'.
> [2019-01-12 15:20:07]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL/qaUdfTest_212414083371782103.so:
> file too short. [2019-01-12 15:20:07]
> *** ERROR[11245] An error occurred loading library
> 'qaUdfTest_212414083371782103.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL'.
> [2019-01-12 15:20:07]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL/qaUdfTest_212414083371782103.so:
> file too short. [2019-01-12 15:20:07]
> *** ERROR[11245] An error occurred loading library
> 'qaUdfTest_212414083371782103.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL'.
> [2019-01-12 15:20:07]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL/qaUdfTest_212414083371782103.so:
> file too short. [2019-01-12 15:20:07]
> *** ERROR[11245] An error occurred loading library
> 'qaUdfTest_212414083371782103.so' from path
> '/opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL'.
> [2019-01-12 15:20:07]
> *** ERROR[11248] A call to dlopen returned errors 0 and 0. Details:
> /opt/trafodion/esgyndb/udr/DB__ROOT/cached_libs/UDF_UDF_GENERAL/qaUdfTest_212414083371782103.so:
> file too short. [2019-01-12 15:20:07]
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