singer-bin

Fix typo at SpecificHostPolicy

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### What changes are proposed in this pull request? Please outline the changes and how this PR fixes the issue. ### Why are the changes needed? Please clarify why the...

### What changes are proposed in this pull request? Remove redundant exception classes. Please list the user-facing changes introduced by your change, including NO.

Support mv a path into an existing dir

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### What changes are proposed in this pull request? Support mv a path into an existing dir. ### Why are the changes needed? Support mv a path into an existing...

Support Hadoop 3.3.0

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support hadoop3.3.0 ### Checklist: - [ ] This pull request updates the documentation - [ ] This pull request changes the code - [ ] Title of the PR is...