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Status Submitted
Created by Guest
Created on Jan 29, 2026

Improve Error Handling for Files Without Extensions in Unit Test Creation

Current Behavior: When creating a new unit test from a recording in TAZ and selecting a source file without an extension, a dialog error is displayed:

An error has occurred. See error log for more details.
Cannot invoke "java.lang.String.equals(java.lang.Object)" because the return value of "org.eclipse.core.resources.IFile.getFileExtension()" is null

 

Requested Behavior: Display a user-friendly warning message instead of an error dialog, similar to the existing behavior when selecting a non-COBOL source file:

TAZED2508W The selected file is probably not a COBOL source file

 

Steps to Reproduce:

  1. Right-click on a recording file and select New > Early Development Testcase(s)
  2. Verify your program and click Next
  3. In the table, click the "..." button to browse for the source name
  4. Select a file without an extension from the list
    • Current result: Error dialog appears and must be closed
  5. Select a file that is not a COBOL source from the list
    • Expected result: Warning message displays in the selection dialog, allowing continued browsing without interruption

Proposed Solution: Handle the null file extension case gracefully by displaying an inline warning message (similar to TAZED2508W) instead of throwing a NullPointerException that results in an error dialog.

Idea priority Low