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Posted to dev@lens.apache.org by "Rajitha R (JIRA)" <ji...@apache.org> on 2016/10/20 14:01:10 UTC
[jira] [Assigned] (LENS-1350) Result formatting is throwing NPE
when the result from druid driver is empty
[ 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}
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