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