eirikbakke commented on code in PR #9327:
URL: https://github.com/apache/netbeans/pull/9327#discussion_r3068237657


##########
ide/jumpto/src/org/netbeans/modules/jumpto/symbol/ContentProviderImpl.java:
##########
@@ -391,8 +391,6 @@ public void run() {
                     if (done || resultChanged) {
                         lastSize = newSize[0];
                         lastProvCount = newProvCount;
-                        model.remove(toRemove);
-                        model.add(toAdd);

Review Comment:
   I see what you mean; yes, the individual remove and add calls are probably 
thread-safe, and the main change was to do them atomically together and not if 
the task was canceled at the time when they are ready to run.
   
   The new approach seems a bit cleaner, but the change is not actually needed 
to fix the bug described in this PR (I confirmed this). I initially thought the 
bug might be due to race conditions in the dialog itself, and had instructed 
Claude to look for potential race conditions. If it's easier we can just drop 
this part of the patch.



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