[
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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