[teiid-issues] [JBoss JIRA] (TEIID-5446) Retrieving clob values from Exasol prints stacktrace to server log

[RH Bugzilla Integration (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-5446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

RH Bugzilla Integration updated TEIID-5446:
-------------------------------------------
    Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=1617988
        Bugzilla Update: Perform


> Retrieving clob values from Exasol prints stacktrace to server log
> ------------------------------------------------------------------
>
>                 Key: TEIID-5446
>                 URL: https://issues.jboss.org/browse/TEIID-5446
>             Project: Teiid
>          Issue Type: Bug
>          Components: JDBC Connector
>    Affects Versions: 11.1, 8.12.15.6_4
>            Reporter: Andrej Šmigala
>            Assignee: Steven Hawkins
>
> In Exasol, CLOB is [an alias|https://www.exasol.com/support/secure/attachment/49848/EXASOL_User_Manual-6.0.0-en.pdf] for VARCHAR. When querying a foreign table with a CLOB column defined as 
> {code:sql}
> ObjectValue clob OPTIONS (NATIVE_TYPE 'varchar(4000)', NAMEINSOURCE 'objectvalue')) 
> {code}, 
> an exception is logged in the server output for each row.
> The query itself finishes successfully and the returned results are correct.
> {noformat}
> 12:44:20,959 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr java.lang.Throwable
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at com.exasol.jdbc.Column.type_error(Column.java:26)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at com.exasol.jdbc.Column.getClob(Column.java:137)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at com.exasol.jdbc.EXAResultSet.getClob(EXAResultSet.java:686)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.jboss.jca.adapters.jdbc.WrappedResultSet.getClob(WrappedResultSet.java:1060)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.translator.jdbc.JDBCExecutionFactory.retrieveValue(JDBCExecutionFactory.java:1146)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.translator.jdbc.JDBCQueryExecution.next(JDBCQueryExecution.java:340)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.handleBatch(ConnectorWorkItem.java:455)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.more(ConnectorWorkItem.java:241)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at java.lang.reflect.Method.invoke(Method.java:498)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:229)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at com.sun.proxy.$Proxy36.more(Unknown Source)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:305)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:108)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:104)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:61)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:277)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:115)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:206)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 12:44:20,960 ERROR [stderr] (Worker6_QueryProcessorQueue42) axblivLlwkmr        at java.lang.Thread.run(Thread.java:748)
> {noformat}



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