MEILIDEKCL opened a new pull request, #4648:
URL: https://github.com/apache/hadoop/pull/4648
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### Description of PR
We modified the Groups.java file, manually checked the cache validity time
in the initialization function of this file, and then threw an exception at an
earlier position. Because what is thrown in ZKFailoverController.java is the
cause of the exception information, which is RuntimeException.getCause(). Also,
the cache validity time is used when creating a cacheBuilder. However, the
check information in this cacheBuilder class is imperfect, so it leads to
imperfection of the thrown information.
### How was this patch tested?
### 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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