morningman opened a new pull request, #28072:
URL: https://github.com/apache/doris/pull/28072
## Proposed changes
```
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
~[?:1.8.0_131]
at java.util.HashMap$EntryIterator.next(HashMap.java:1471)
~[?:1.8.0_131]
at java.util.HashMap$EntryIterator.next(HashMap.java:1469)
~[?:1.8.0_131]
at
org.apache.doris.catalog.CatalogRecycleBin.write(CatalogRecycleBin.java:1047)
~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.catalog.Env.saveRecycleBin(Env.java:2298)
~[doris-fe.jar:1.2-SNAPSHOT]
```
When calling `/dump` api to dump image, ConcurrentModificationException may
be thrown.
Because no lock to protect `CatalogRecycleBin`
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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