Karan980 opened a new pull request #4088:
URL: https://github.com/apache/carbondata/pull/4088
### Why is this PR needed?
Prepriming is not working in Index Server. Server.getRemoteUser returns null
value in async call of prepriming which results in NPE and crashes the
indexServer application.
### What changes were proposed in this PR?
Computed the Server.getRemoteUser value before making the async prepriming
call and then used the same value during async call.
### Does this PR introduce any user interface change?
- No
### Is any new testcase added?
- No
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