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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/11/11 03:04:49 UTC

[GitHub] [hadoop] ZanderXu opened a new pull request, #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

ZanderXu opened a new pull request, #5125:
URL: https://github.com/apache/hadoop/pull/5125

   ### Description of PR
   There is a NPE in `org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestFsVolumeList#testAddRplicaProcessorForAddingReplicaInMap` if we run this UT individually. And the related bug as bellow:
   ```
   public void testAddRplicaProcessorForAddingReplicaInMap() throws Exception {
     // BUG here
     BlockPoolSlice.reInitializeAddReplicaThreadPool();
     Configuration cnf = new Configuration();
     int poolSize = 5; 
     ...
   }
   ```


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[GitHub] [hadoop] tomscut commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
tomscut commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1324397671

   Hi @ZanderXu , could you please fix the SpotBugs warn.


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[GitHub] [hadoop] hadoop-yetus commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1311412399

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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[GitHub] [hadoop] tomscut commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
tomscut commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1325822858

   Thanks @ZanderXu for your contribution! Thanks @aajisaka , @xinglin and @ashutoshcipher for your review!


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[GitHub] [hadoop] hadoop-yetus commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1324166051

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   |  |  Incorrect lazy initialization of static field org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.addReplicaThreadPool in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.reInitializeAddReplicaThreadPool()  At BlockPoolSlice.java:field org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.addReplicaThreadPool in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.reInitializeAddReplicaThreadPool()  At BlockPoolSlice.java:[lines 1142-1144] |
   | Failed junit tests | hadoop.hdfs.TestLeaseRecovery2 |
   |   | hadoop.hdfs.TestDFSInotifyEventInputStream |
   
   
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[GitHub] [hadoop] hadoop-yetus commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
hadoop-yetus commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1324681344

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   |   | hadoop.hdfs.server.balancer.TestBalancerService |
   |   | hadoop.hdfs.TestLeaseRecovery2 |
   
   
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[GitHub] [hadoop] xinglin commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
xinglin commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1312530306

   Instead of the change proposed in this PR, shouldn't we actually fix reInitializeAddReplicaThreadPool() itself as below? 
   
   Current:
   ```
     @VisibleForTesting
     public static void reInitializeAddReplicaThreadPool() {
       addReplicaThreadPool.shutdown();
       addReplicaThreadPool = null;
     }
   ```
   
   Fixed as following:
   ```
     @VisibleForTesting
     public static void reInitializeAddReplicaThreadPool() {
       if (addReplicaThreadPool != null) {
         addReplicaThreadPool.shutdown();
         addReplicaThreadPool = null;
       }
     }
   ```


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[GitHub] [hadoop] aajisaka commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
aajisaka commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1321544345

   I'm +1 for the @xinglin 's proposal. @ZanderXu could you update the PR?


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[GitHub] [hadoop] ZanderXu commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
ZanderXu commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1323653147

   Sorry for the late update, @xinglin @aajisaka please help me review it again. Thanks so much.


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[GitHub] [hadoop] tomscut commented on pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
tomscut commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1325821362

   The failed unit tests are unrelated to the change.


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[GitHub] [hadoop] tomscut merged pull request #5125: HDFS-16838. Fix NPE in testAddRplicaProcessorForAddingReplicaInMap

Posted by GitBox <gi...@apache.org>.
tomscut merged PR #5125:
URL: https://github.com/apache/hadoop/pull/5125


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