Prasanth Jayachandran created HIVE-11221: --------------------------------------------
Summary: In Tez mode, alter table concatenate orc files can intermittently fail with NPE Key: HIVE-11221 URL: https://issues.apache.org/jira/browse/HIVE-11221 Project: Hive Issue Type: Bug Affects Versions: 1.3.0, 2.0.0 Reporter: Prasanth Jayachandran Assignee: Prasanth Jayachandran We are not waiting for input ready events which can trigger occasional NPE if input is not actually ready. Stacktrace: {code} java.lang.NullPointerException at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:186) at org.apache.hadoop.hive.ql.exec.tez.MergeFileTezProcessor.run(MergeFileTezProcessor.java:42) at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:176) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:168) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:168) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:163) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:265) at org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:478) at org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:471) at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:648) at org.apache.tez.mapreduce.lib.MRReaderMapred.setupOldRecordReader(MRReaderMapred.java:146) at org.apache.tez.mapreduce.lib.MRReaderMapred.<init>(MRReaderMapred.java:73) at org.apache.tez.mapreduce.input.MRInput.initializeInternal(MRInput.java:483) at org.apache.tez.mapreduce.input.MRInputLegacy.init(MRInputLegacy.java:108) at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.getMRInput(MergeFileRecordProcessor.java:220) at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.init(MergeFileRecordProcessor.java:72) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:162) ... 13 more {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)