zclllyybb opened a new pull request, #34135:
URL: https://github.com/apache/doris/pull/34135

   ## Proposed changes
   
   Issue Number: close #xxx
   
   when there are multiple transactions try to create partitions in one table. 
they may meet:
   
   ```log
   2024-04-25 17:54:34,025 WARN (thrift-server-pool-3|319) 
[FrontendServiceImpl.loadTxnCommit():1559] catch unknown result.
   java.util.ConcurrentModificationException: null
        at 
java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1784) ~[?:?]
        at 
java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
        at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) 
~[?:?]
        at 
java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) 
~[?:?]
        at 
java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
 ~[?:?]
        at 
java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
        at 
java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?]
        at 
org.apache.doris.cloud.transaction.CloudGlobalTransactionMgr.getBaseTabletsFromTables(CloudGlobalTransactionMgr.java:393)
 ~[doris-fe.jar:1.2-SNAPSHOT]
        at 
org.apache.doris.cloud.transaction.CloudGlobalTransactionMgr.commitTransaction(CloudGlobalTransactionMgr.java:422)
 ~[doris-fe.jar:1.2-SNAPSHOT]
        at 
org.apache.doris.cloud.transaction.CloudGlobalTransactionMgr.commitTransaction(CloudGlobalTransactionMgr.java:323)
 ~[doris-fe.jar:1.2-SNAPSHOT]
        at 
org.apache.doris.cloud.transaction.CloudGlobalTransactionMgr.commitAndPublishTransaction(CloudGlobalTransactionMgr.java:749)
 ~[doris-fe.jar:1.2-SNAPSHOT]
        at 
org.apache.doris.service.FrontendServiceImpl.loadTxnCommitImpl(FrontendServiceImpl.java:1603)
 ~[doris-fe.jar:1.2-SNAPSHOT]
        at 
org.apache.doris.service.FrontendServiceImpl.loadTxnCommit(FrontendServiceImpl.java:1543)
 ~[doris-fe.jar:1.2-SNAPSHOT]
        at jdk.internal.reflect.GeneratedMethodAccessor111.invoke(Unknown 
Source) ~[?:?]
        at 
jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
        at org.apache.doris.service.FeServer.lambda$start$0(FeServer.java:60) 
~[doris-fe.jar:1.2-SNAPSHOT]
        at jdk.proxy2.$Proxy35.loadTxnCommit(Unknown Source) ~[?:?]
        at 
org.apache.doris.thrift.FrontendService$Processor$loadTxnCommit.getResult(FrontendService.java:3982)
 ~[fe-common-1.2-SNAPSHOT.jar:1.2-SNAPSHOT]
        at 
org.apache.doris.thrift.FrontendService$Processor$loadTxnCommit.getResult(FrontendService.java:3962)
 ~[fe-common-1.2-SNAPSHOT.jar:1.2-SNAPSHOT]
        at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38) 
~[libthrift-0.16.0.jar:0.16.0]
        at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:38) 
~[libthrift-0.16.0.jar:0.16.0]
        at 
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:250)
 ~[libthrift-0.16.0.jar:0.16.0]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) 
~[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) 
~[?:?]
        at java.lang.Thread.run(Thread.java:840) ~[?:?]
   ```
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at 
[[email protected]](mailto:[email protected]) by explaining why you 
chose the solution you did and what alternatives you considered, etc...
   
   


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