skysiders opened a new pull request, #3506:
URL: https://github.com/apache/storm/pull/3506

   ```java
      public OutputStream getOutputStream() throws IOException {
           FsPermission fileperms = new FsPermission(BLOBSTORE_FILE_PERMISSION);
           try {
               out = fileSystem.create(path, (short) 
this.getMetadata().get_replication_factor());
               fileSystem.setPermission(path, fileperms);
               fileSystem.setReplication(path, (short) 
this.getMetadata().get_replication_factor());
           } catch (IOException e) {
              ......
               out = fileSystem.create(path, (short) 
this.getMetadata().get_replication_factor());
               fileSystem.setPermission(path, dirperms);
               fileSystem.setReplication(path, (short) 
this.getMetadata().get_replication_factor());
           }
           ......
       }
   ```
   We can see that there are permission settings for path in both try and 
catch, but the permission in catch is different from that in try. In catch, the 
permission `dirperms` is given to the file. I think there is a problem here, 
and it should be the same as The permissions in try are consistent.
   Permissions should be set according to the following code
   ```java
   
    public OutputStream getOutputStream() throws IOException {
           FsPermission fileperms = new FsPermission(BLOBSTORE_FILE_PERMISSION);
           try {
               out = fileSystem.create(path, (short) 
this.getMetadata().get_replication_factor());
               fileSystem.setPermission(path, fileperms);
               fileSystem.setReplication(path, (short) 
this.getMetadata().get_replication_factor());
           } catch (IOException e) {
              ......
               out = fileSystem.create(path, (short) 
this.getMetadata().get_replication_factor());
               fileSystem.setPermission(path, fileperms);
               fileSystem.setReplication(path, (short) 
this.getMetadata().get_replication_factor());
           }
           ......
       }
   ```


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