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Yuan Tian commented on IOTDB-5438: ---------------------------------- caused by user's codes. !image-2023-01-30-14-28-32-801.png! they should null check for wrapper in line 165. > [Session] NullPointerException when close result set > ---------------------------------------------------- > > Key: IOTDB-5438 > URL: https://issues.apache.org/jira/browse/IOTDB-5438 > Project: Apache IoTDB > Issue Type: Bug > Reporter: Hongyin Zhang > Assignee: Yuan Tian > Priority: Major > Fix For: 0.13.3 > > Attachments: image-2023-01-30-14-28-32-801.png > > > Exception msg: > > java.lang.NullPointerException at > org.apache.iotdb.session.pool.SessionPool.closeResultSet(SessionPool.java:476) > at > com.platform.domain.service.impl.IoTDBService.executeQuery(IoTDBService.java:196) > at > com.platform.domain.service.impl.IoTDBService.executeSQL(IoTDBService.java:75) > at com.platform.action.system.IoTdbAction.execute(IoTdbAction.java:33) at > com.platform.domain.fastexecute.FastActionManager.process(FastActionManager.java:87) > at > com.platform.domain.fastexecute.task.FastActionTask.run(FastActionTask.java:75) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > -- This message was sent by Atlassian Jira (v8.20.10#820010)