Addressed a bug crashing the GUI when minimizing the app (#76)

imsweb · Oct 2, 2017 · 3fb874c · 3fb874c
1 parent 1637006
commit 3fb874c
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## NAACCR XML Version History
 
+**Version 4.1**
+
+ - Addressed a bug crashing the Standalone GUI when minimizing the application.
+
 **Version 4.0**
 
  - Relaxed the validation of the NAACCR numbers in user-defined dictionaries (specification 1.3).

diff --git a/src/main/java/com/imsweb/naaccrxml/gui/Standalone.java b/src/main/java/com/imsweb/naaccrxml/gui/Standalone.java
@@ -134,8 +134,11 @@ public Standalone() {
         this.getContentPane().add(_centerPnl, BorderLayout.CENTER);
 
         Thread.setDefaultUncaughtExceptionHandler((t, e) -> SwingUtilities.invokeLater(() -> {
-            String msg = "An unexpected error happened, it is recommended to close the application.\n\n   Error: " + (e.getMessage() == null ? "null access" : e.getMessage());
-            JOptionPane.showMessageDialog(Standalone.this, msg, "Error", JOptionPane.ERROR_MESSAGE);
+            boolean isLocationException = e instanceof IllegalStateException; // https://bugs.openjdk.java.net/browse/JDK-8179665
+            if (!isLocationException) {
+                String msg = "An unexpected error happened, it is recommended to close the application.\n\n   Error: " + (e.getMessage() == null ? "null access" : e.getMessage());
+                JOptionPane.showMessageDialog(Standalone.this, msg, "Error", JOptionPane.ERROR_MESSAGE);
+            }
         }));
 
         SwingUtilities.invokeLater(() -> _buttons.get(0).doClick());