WIP: Fix NPE in PDEModelUtility.java (line 415) by adding null check (Fix #1404) #1479
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Summary Of Change
Added a null guard to editor.getContextManager() to prevent NullPointerException (NPE).
Why this Change is Needed
An NPE occurs when too many processes are running and the user uses the context menu to close all tabs. This is caused by a race condition where dispose() is called while modifyEditorModel() is still running, resulting in getContextManager() returning null.
Related Issue
Fix #1404
Testing
Testing is in progress. We are working on a test where dispose() is called followed by modifyEditorModel() to verify that the null guard resolves the issue.