Mryange opened a new pull request, #42953:
URL: https://github.com/apache/doris/pull/42953

   ## Proposed changes
   https://github.com/apache/doris/pull/39560
   ```
   java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0
        at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) 
~[?:?]
        at 
jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) 
~[?:?]
        at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266) 
~[?:?]
        at java.util.Objects.checkIndex(Objects.java:359) ~[?:?]
        at java.util.ArrayList.get(ArrayList.java:427) ~[?:?]
        at 
org.apache.doris.common.profile.ExecutionProfile.getPipelineAggregatedProfile(ExecutionProfile.java:142)
 ~[doris-fe.jar:1.2-SNAPSHOT]
   ```
   
   In the past, we needed to ensure that profiles were complete before merging. 
Now, this allows incomplete profiles to be merged, with missing profiles being 
marked in the merged profile.
   ```
                                   -  ProjectionTime:  avg  0ns,  max  0ns,  
min  0ns
                                   -  RowsProduced:  sum  0,  avg  0,  max  0,  
min  0
                                   -  
WaitForDependency[SORT_OPERATOR_DEPENDENCY]Time:  avg  15min2sec,  max  
15min2sec,  min  15min2sec
                     Pipeline  :  3(miss  profile):
                     Pipeline  :  4(instance_num=48):
                         LOCAL_EXCHANGE_SINK_OPERATOR  (PASSTHROUGH)  (id=-14):
                               -  CloseTime:  avg  0ns,  max  0ns,  min  0ns
                               -  ExecTime:  avg  29.410us,  max  43.336us,  
min  
   ```
   
   
   <!--Describe your changes.-->
   
   ## Proposed changes
   
   Issue Number: close #xxx
   
   <!--Describe your changes.-->
   
   


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