ZhongJinHacker

[Fix](fe-common) Fix the Pair.java code about the hidden danger of NullPointException

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## Proposed changes Issue Number: close #31370 add code in toString method and equals method of Pair.java to avoid the null point exception situation ## Further comments If this is...

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Version in master branch ### What's Wrong? In the fe project, many...

fix comment word spelling error in HRegionServer.java

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Hello, I found a word spelling error in HRegionServer . and this pr is used to fix it . please review it. thank you

[Bug] [dolphinscheduler-master] fix WorkflowExecuteRunnable's executeTask method return incorrect value

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## Purpose of the pull request This pull request to fix #15740 , fix the method return incorrect value problem. please check the issue out for details ## Brief change...