swathic95 opened a new pull request #3318:
URL: https://github.com/apache/hadoop/pull/3318
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### Description of PR
Due to HADOOP-17848 - Wasb FileSystem sets owner as empty during append
operation.
ATS1.5 fails to read such files with below error
```
java.lang.IllegalArgumentException: Null user
at
org.apache.hadoop.security.UserGroupInformation.createRemoteUser(UserGroupInformation.java:1271)
at
org.apache.hadoop.security.UserGroupInformation.createRemoteUser(UserGroupInformation.java:1258)
at
org.apache.hadoop.yarn.server.timeline.LogInfo.parsePath(LogInfo.java:141)
at
org.apache.hadoop.yarn.server.timeline.LogInfo.parseForStore(LogInfo.java:114)
at
org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore$AppLogs.parseSummaryLogs(EntityGroupFSTimelineStore.java:701)
at
org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore$AppLogs.parseSummaryLogs(EntityGroupFSTimelineStore.java:675)
at
org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore$ActiveLogParser.run(EntityGroupFSTimelineStore.java:888)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
The owner information is used only when the ACL is enabled and not used when
ACL is disabled.
Hence, making the owner ```anonymous``` , only when the ACL is disabled so
that the append operation is successful.
### How was this patch tested?
The patch was tested in a device which uses wasb storage and made sure that
the exception is not seen post patching.
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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