wangxianghu commented on pull request #2524:
URL: https://github.com/apache/hudi/pull/2524#issuecomment-773871714
> @wangxianghu help to check?
This seems another concurrent issue
```
[ERROR] Errors:
[ERROR] TestMultiFS.setUp:60->HoodieClientTestHarness.initDFS:251 ยป
NullPointer
```
```
/**
* Initializes a distributed file system and base directory.
*
* @throws IOException
*/
protected void initDFS() throws IOException {
FileSystem.closeAll();
hdfsTestService = new HdfsTestService();
dfsCluster = hdfsTestService.start(true); // line 251
// Create a temp folder as the base path
dfs = dfsCluster.getFileSystem();
dfsBasePath = dfs.getWorkingDirectory().toString();
this.basePath = dfsBasePath;
this.hadoopConf = dfs.getConf();
dfs.mkdirs(new Path(dfsBasePath));
}
```
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