FULL PRODUCT VERSION :


ADDITIONAL OS VERSION INFORMATION :
Darwin unit-929.nsk.labs.intellij.net 16.0.0 Darwin Kernel Version 16.0.0: Mon Aug 29 17:56:20 PDT 2016; root:xnu-3789.1.32~3/RELEASE_X86_64 x86_64

A DESCRIPTION OF THE PROBLEM :
The test java/awt/Focus/ResetMostRecentFocusOwnerTest/ResetMostRecentFocusOwnerTest.java intermittently fails because "focus wasn't set to <frame2>".
On Windows 10 it occasionally fails because of "Unexpected state: focus is not on <button1>".



ERROR MESSAGES/STACK TRACES THAT OCCUR :
con=,selectedIcon=,text=button1,defaultCapable=true]
java.awt.FocusEvent[FOCUS_LOST,temporary,opposite=javax.swing.JButton[,0,0,94x29,disabled,alignmentX=0.0,alignmentY=0.5,border=com.apple.laf.AquaButtonBorder$Dynamic@2127ce43,flags=288,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=0,left=2,bottom=0,right=2],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=false,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button2,defaultCapable=true],cause=ACTIVATION] on javax.swing.JButton[,0,0,94x29,alignmentX=0.0,alignmentY=0.5,border=com.apple.laf.AquaButtonBorder$Dynamic@2127ce43,flags=288,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=0,left=2,bottom=0,right=2],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=false,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button1,defaultCapable=true]
sun.awt.TimedWindowEvent[WINDOW_LOST_FOCUS,opposite=javax.swing.JFrame[frame1,300,300,94x51,layout=java.awt.BorderLayout,title=Test Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,22,94x29,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame0
sun.awt.TimedWindowEvent[WINDOW_GAINED_FOCUS,opposite=javax.swing.JFrame[frame0,0,300,94x51,layout=java.awt.BorderLayout,title=Main Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,22,94x29,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame1
sun.awt.TimedWindowEvent[WINDOW_LOST_FOCUS,opposite=javax.swing.JFrame[frame0,0,300,94x51,layout=java.awt.BorderLayout,title=Main Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,22,94x29,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame1
sun.awt.TimedWindowEvent[WINDOW_GAINED_FOCUS,opposite=javax.swing.JFrame[frame1,300,300,94x51,layout=java.awt.BorderLayout,title=Test Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,22,94x29,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame0
java.awt.FocusEvent[FOCUS_GAINED,permanent,opposite=javax.swing.JButton[,0,0,94x29,alignmentX=0.0,alignmentY=0.5,border=com.apple.laf.AquaButtonBorder$Dynamic@2127ce43,flags=288,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=0,left=2,bottom=0,right=2],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=false,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button1,defaultCapable=true],cause=ACTIVATION] on javax.swing.JButton[,0,0,94x29,alignmentX=0.0,alignmentY=0.5,border=com.apple.laf.AquaButtonBorder$Dynamic@2127ce43,flags=288,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=0,left=2,bottom=0,right=2],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=false,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button1,defaultCapable=true]
java.awt.FocusEvent[FOCUS_LOST,temporary,opposite=null,cause=ACTIVATION] on javax.swing.JButton[,0,0,94x29,alignmentX=0.0,alignmentY=0.5,border=com.apple.laf.AquaButtonBorder$Dynamic@2127ce43,flags=288,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=0,left=2,bottom=0,right=2],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=false,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button1,defaultCapable=true]
sun.awt.TimedWindowEvent[WINDOW_LOST_FOCUS,opposite=null,oldState=0,newState=0] on frame0
java.lang.RuntimeException: Test failed: focus wasn't set to <frame2>
        at ResetMostRecentFocusOwnerTest.start(ResetMostRecentFocusOwnerTest.java:116)
        at ResetMostRecentFocusOwnerTest.main(ResetMostRecentFocusOwnerTest.java:51)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
        at java.lang.Thread.run(Thread.java:745)


JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed: focus wasn't set to <frame2>
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Test failed: focus wasn't set to <frame2>
{code}
This failure was observed on Mac OSX.

The test also intermittently fails on Windows 10. The output is slightly different:
{code}
----------System.err:(20/3855)----------^M
sun.awt.TimedWindowEvent[WINDOW_GAINED_FOCUS,opposite=null,oldState=0,newState=0] on frame0
java.awt.FocusEvent[FOCUS_GAINED,permanent,opposite=null,cause=ACTIVATION] on javax.swing.JButton[,0,0,116x26,alignmentX=0.0,alignmentY=0.5,border=javax.swing.plaf.BorderUIResource$CompoundBorderUIResource@3a457c,flags=296,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=2,left=14,bottom=2,right=14],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=true,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button1,defaultCapable=true]
java.awt.FocusEvent[FOCUS_LOST,temporary,opposite=javax.swing.JButton[,0,0,116x26,disabled,alignmentX=0.0,alignmentY=0.5,border=javax.swing.plaf.BorderUIResource$CompoundBorderUIResource@3a457c,flags=296,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=2,left=14,bottom=2,right=14],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=true,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button2,defaultCapable=true],cause=ACTIVATION] on javax.swing.JButton[,0,0,116x26,alignmentX=0.0,alignmentY=0.5,border=javax.swing.plaf.BorderUIResource$CompoundBorderUIResource@3a457c,flags=296,maximumSize=,minimumSize=,preferredSize=,defaultIcon=,disabledIcon=,disabledSelectedIcon=,margin=javax.swing.plaf.InsetsUIResource[top=2,left=14,bottom=2,right=14],paintBorder=true,paintFocus=true,pressedIcon=,rolloverEnabled=true,rolloverIcon=,rolloverSelectedIcon=,selectedIcon=,text=button1,defaultCapable=true]
sun.awt.TimedWindowEvent[WINDOW_LOST_FOCUS,opposite=javax.swing.JFrame[frame1,300,300,132x64,layout=java.awt.BorderLayout,title=Test Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,8,30,116x26,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame0
sun.awt.TimedWindowEvent[WINDOW_GAINED_FOCUS,opposite=javax.swing.JFrame[frame0,0,300,132x64,layout=java.awt.BorderLayout,title=Main Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,8,30,116x26,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame1
sun.awt.TimedWindowEvent[WINDOW_LOST_FOCUS,opposite=javax.swing.JFrame[frame0,0,300,132x64,layout=java.awt.BorderLayout,title=Main Frame,resizable,normal,defaultCloseOperation=HIDE_ON_CLOSE,rootPane=javax.swing.JRootPane[,8,30,116x26,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true],oldState=0,newState=0] on frame1
java.lang.RuntimeException: Unexpected state: focus is not on <button1>
        at ResetMostRecentFocusOwnerTest.start(ResetMostRecentFocusOwnerTest.java:99)
        at ResetMostRecentFocusOwnerTest.main(ResetMostRecentFocusOwnerTest.java:51)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
        at java.lang.Thread.run(Thread.java:745)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Unexpected state: focus is not on <button1>
JavaTest Message: shutting down test
{code}


REPRODUCIBILITY :
This bug can be reproduced occasionally.