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https://issues.apache.org/jira/browse/TAJO-1873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14901811#comment-14901811
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ASF GitHub Bot commented on TAJO-1873:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/774#issuecomment-142162487
+1 LGTM
> Fix NPE in QueryExecutorServlet
> -------------------------------
>
> Key: TAJO-1873
> URL: https://issues.apache.org/jira/browse/TAJO-1873
> Project: Tajo
> Issue Type: Bug
> Components: Web UI
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Priority: Minor
> Fix For: 0.11.0, 0.12.0
>
>
> If the value is an SQL NULL, the ResultSet.getObject returns a Java null
> {noformat}
> java.lang.NullPointerException at
> org.apache.tajo.webapp.QueryExecutorServlet$QueryRunner.MakeResultText(QueryExecutorServlet.java:517)
> at
> org.apache.tajo.webapp.QueryExecutorServlet$QueryRunner.getSimpleQueryResult(QueryExecutorServlet.java:384)
> at
> org.apache.tajo.webapp.QueryExecutorServlet$QueryRunner.run(QueryExecutorServlet.java:343)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at
> {noformat}
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