[TAJO-1873] Fix NPE in QueryExecutorServlet

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.11.0, 0.12.0
• Component/s: Web UI
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 21/Sep/15 06:46
• Updated: 22/Sep/15 05:14
• Resolved: 22/Sep/15 03:04

Description

If the value is an SQL NULL, the ResultSet.getObject returns a Java null

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