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  1. JDK
  2. JDK-8211435

Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

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      Description

        In the DefaultKeyboardFocusManager class we have a special field "activeWindow", which stores the currently active window. It is used in two similar cases:
          1. If the java window gets "WINDOW_ACTIVATED" event it will try to send "WINDOW_DEACTIVATED" to the old active window, which is stored in the "activeWindow" field.
          2. If the java component lost the focus, and the opposite component is not a java component, then it will try to send "WINDOW_DEACTIVATED" to the old active window, which is stored in the "activeWindow" field.

        The difference in these two cases is that in "case 1" we check the old active window to null[1], and the second case has no such check. The bug is reproduced in non-standalone mode, when we have a few Appcontexts and this field might be updated by different EDT in parallel.

        Note that the test is for OSX only, because of another bug: JDK-8204142[2]

        [1] http://hg.openjdk.java.net/jdk/jdk/file/ad9077f044be/src/java.desktop/share/classes/java/awt/DefaultKeyboardFocusManager.java#l527
        [2] https://bugs.openjdk.java.net/browse/JDK-8204142

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            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8219672 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8220054 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8221627 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8224153 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8224361 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8221679 Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: null source

            • P3 - Major loss of function.
            • Closed
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8204142 AWT hang occurs when sequenced events arrive out of sequence in multiple AppContexts.

            • P3 - Major loss of function.
            • Resolved
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                serb Sergey Bylokhov
                shadowbug Shadow Bug
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