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https://issues.apache.org/jira/browse/HDFS-16838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17632046#comment-17632046
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ASF GitHub Bot commented on HDFS-16838:
---------------------------------------
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;
...
}
```
> Fix NPE in testAddRplicaProcessorForAddingReplicaInMap
> ------------------------------------------------------
>
> Key: HDFS-16838
> URL: https://issues.apache.org/jira/browse/HDFS-16838
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Major
>
> 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:
>
> {code:java}
> public void testAddRplicaProcessorForAddingReplicaInMap() throws Exception {
> // BUG here
> BlockPoolSlice.reInitializeAddReplicaThreadPool();
> Configuration cnf = new Configuration();
> int poolSize = 5;
> ...
> }{code}
>
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