[ https://issues.apache.org/jira/browse/LENS-1350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rajitha R reassigned LENS-1350: ------------------------------- Assignee: Rajitha R > Result formatting is throwing NPE when the result from druid driver is empty > ---------------------------------------------------------------------------- > > Key: LENS-1350 > URL: https://issues.apache.org/jira/browse/LENS-1350 > Project: Apache Lens > Issue Type: Bug > Components: driver-jdbc > Reporter: Archana H > Assignee: Rajitha R > > Error: > {CODE} > 05 Oct 2016 10:55:29 [3f290017-e51d-4183-8f89-0f3045cc52dc] > [ResultFormatter_AsyncThread-7] INFO > org.apache.lens.server.api.query.QueryContext - Registering driver resultset > for query 3f290017-e51d-4183-8f89-0f3045cc52dc > 05 Oct 2016 10:55:29 [3f290017-e51d-4183-8f89-0f3045cc52dc] > [454e896f-65b0-4c9d-b282-190f00affccf grizzly-http-server-19] INFO > org.apache.hadoop.hive.conf.HiveConf - Using the default value passed in for > log id: 454e896f-65b0-4c9d-b282-190f00affccf > 05 Oct 2016 10:55:29 [3f290017-e51d-4183-8f89-0f3045cc52dc] > [454e896f-65b0-4c9d-b282-190f00affccf grizzly-http-server-19] INFO > org.apache.lens.server.query.QueryExecutionServiceImpl - Updating status for > 3f290017-e51d-4183-8f89-0f3045cc52dc > 05 Oct 2016 10:55:29 [3f290017-e51d-4183-8f89-0f3045cc52dc] > [ResultFormatter_AsyncThread-7] ERROR > org.apache.lens.driver.jdbc.JDBCResultSet - Error getting JDBC type > information: null > java.lang.NullPointerException: null > at > org.apache.lens.driver.jdbc.JDBCResultSet.getRsMetadata(JDBCResultSet.java:87) > ~[lens-driver-jdbc-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.driver.jdbc.JDBCResultSet.getMetadata(JDBCResultSet.java:112) > ~[lens-driver-jdbc-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.driver.PartiallyFetchedInMemoryResultSet.<init>(PartiallyFetchedInMemoryResultSet.java:94) > [lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.query.QueryContext.registerDriverResult(QueryContext.java:514) > [lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.driver.AbstractLensDriver.fetchResultSet(AbstractLensDriver.java:69) > [lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.query.QueryExecutionServiceImpl.getDriverResultset(QueryExecutionServiceImpl.java:1835) > [classes/:na] > at > org.apache.lens.server.query.ResultFormatter.formatOutput(ResultFormatter.java:91) > [classes/:na] > at > org.apache.lens.server.query.ResultFormatter.process(ResultFormatter.java:73) > [classes/:na] > at > org.apache.lens.server.query.ResultFormatter.process(ResultFormatter.java:43) > [classes/:na] > at > org.apache.lens.server.api.events.AsyncEventListener$1.run(AsyncEventListener.java:110) > [lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [na:1.8.0_40] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_40] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] > 05 Oct 2016 10:55:29 [3f290017-e51d-4183-8f89-0f3045cc52dc] > [ResultFormatter_AsyncThread-7] WARN > org.apache.lens.server.query.ResultFormatter - Exception while formatting > result for 3f290017-e51d-4183-8f89-0f3045cc52dc > java.lang.NullPointerException: null > at > org.apache.lens.driver.jdbc.JDBCResultSet.hasNext(JDBCResultSet.java:306) > ~[lens-driver-jdbc-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.driver.PartiallyFetchedInMemoryResultSet.preFetchRows(PartiallyFetchedInMemoryResultSet.java:104) > ~[lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.driver.PartiallyFetchedInMemoryResultSet.<init>(PartiallyFetchedInMemoryResultSet.java:95) > ~[lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.query.QueryContext.registerDriverResult(QueryContext.java:514) > ~[lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.api.driver.AbstractLensDriver.fetchResultSet(AbstractLensDriver.java:69) > ~[lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > org.apache.lens.server.query.QueryExecutionServiceImpl.getDriverResultset(QueryExecutionServiceImpl.java:1835) > ~[classes/:na] > at > org.apache.lens.server.query.ResultFormatter.formatOutput(ResultFormatter.java:91) > [classes/:na] > at > org.apache.lens.server.query.ResultFormatter.process(ResultFormatter.java:73) > [classes/:na] > at > org.apache.lens.server.query.ResultFormatter.process(ResultFormatter.java:43) > [classes/:na] > at > org.apache.lens.server.api.events.AsyncEventListener$1.run(AsyncEventListener.java:110) > [lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [na:1.8.0_40] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_40] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] > {CODE} -- This message was sent by Atlassian JIRA (v6.3.4#6332)