<Swing Dev> JDK-8023043 : Clipboard.getAvailableDataFlavors: Comparison method violates contract
Anton Nashatyrev
anton.nashatyrev at oracle.com
Fri May 8 12:41:59 UTC 2015
Hi Alexander,
I've updated the existing issue filed by Jason with the new
information. So it seems no need to create a new one.
Thanks!
Anton.
On 08.05.2015 15:38, Alexander Scherbatiy wrote:
>
> Hi Jason,
>
> Please, file it as a new issue in http://bugreport.java.com/bugreport
>
> Thanks,
> Alexandr.
>
> On 5/7/2015 11:08 PM, Jason Mehrens wrote:
>> Anton,
>>
>>
>> I finally caught this error in production. I patched our code to
>> launch a JVM (with mergesort) using your test case, modifed to output
>> the JVM version followed by the output when this error occurs. The
>> output is as follows:
>>
>>
>>
>> ==============================================================================
>>
>>
>> 1.7.0_80-b15
>>
>> java.awt.datatransfer.DataFlavor[mimetype=application/x-java-serialized-object;representationclass=java.lang.String]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=application/x-java-text-encoding;representationclass=[B]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.Reader]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.lang.String]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.CharBuffer]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[C]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=unicode]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=UTF-16]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=UTF-16]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=UTF-8]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=UTF-8]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=UTF-8]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=UTF-16BE]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=UTF-16BE]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=UTF-16BE]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=UTF-16LE]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=UTF-16LE]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=UTF-16LE]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=ISO-8859-1]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=ISO-8859-1]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=ISO-8859-1]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=windows-1252]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=windows-1252]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=windows-1252]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.io.InputStream;charset=US-ASCII]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=java.nio.ByteBuffer;charset=US-ASCII]
>>
>>
>> java.awt.datatransfer.DataFlavor[mimetype=text/plain;representationclass=[B;charset=US-ASCII]
>>
>>
>> ==================================================================================
>>
>>
>>
>> Jason
>>
>>
>>
>> ----------------------------------------
>>> From: jason_mehrens at hotmail.com
>>> To: anton.nashatyrev at oracle.com
>>> Date: Wed, 22 Apr 2015 14:59:26 -0500
>>> CC: swing-dev at openjdk.java.net
>>> Subject: Re: <Swing Dev> JDK-8023043 :
>>> Clipboard.getAvailableDataFlavors: Comparison method violates contract
>>>
>>> Anton,
>>>
>>>
>>> Thanks for looking at this. Sorry I don't have a test case to give
>>> you yet. For sure the machines are using JDK7u80 that are
>>> reproducing the error. The common case is that the user is copying
>>> text from an email client and then pasting it in to a JTextField. So
>>> I imagine that the content type of email is a factor in producing
>>> this issue.
>>>
>>>
>>> What I'll do is convert your ClipboardDump into the codebase so that
>>> I can just log that information as soon as it happens. We'll see how
>>> long it takes to catch this fish.
>>>
>>>
>>> Thanks,
>>>
>>>
>>> Jason
>>>
>>>
>>>
>>>
>>>
>>> ----------------------------------------
>>>> Date: Wed, 22 Apr 2015 17:06:10 +0300
>>>> From: anton.nashatyrev at oracle.com
>>>> To: jason_mehrens at hotmail.com
>>>> CC: swing-dev at openjdk.java.net
>>>> Subject: Re: <Swing Dev> JDK-8023043 :
>>>> Clipboard.getAvailableDataFlavors: Comparison method violates contract
>>>>
>>>> Hi Jason,
>>>>
>>>> I've commented in the bug report:
>>>>
>>>> Couldn't reproduce locally.
>>>> Please next time the problem is reproduced on your side, run the small
>>>> program below and attach its output to this bug (or file a new one).
>>>> Make sure NOT using the system clipboard from the moment of exception
>>>> till running the test program.
>>>>
>>>> import java.awt.*;
>>>> import java.awt.datatransfer.DataFlavor;
>>>>
>>>> public class ClipboardDump {
>>>> public static void main(String[] args) {
>>>> System.setProperty("java.util.Arrays.useLegacyMergeSort", "true");
>>>>
>>>> DataFlavor[] dataFlavors =
>>>> Toolkit.getDefaultToolkit().getSystemClipboard().
>>>> getAvailableDataFlavors();
>>>>
>>>> for (DataFlavor df: dataFlavors) {
>>>> System.out.println(df);
>>>> }
>>>> }
>>>> }
>>>>
>>>> Please also make sure you are running 7u80 (not an earlier version)
>>>> since the Comparator fix was integrated to 7u80
>>>>
>>>> Thanks!
>>>> Anton.
>>>> On 21.04.2015 17:29, Jason Mehrens wrote:
>>>>> Hello Swing-Dev,
>>>>>
>>>>>
>>>>>
>>>>> Recently we have updated to JDK7u80 and have noticed a pattern of
>>>>> users generating the following error:
>>>>>
>>>>>
>>>>>
>>>>> ==================
>>>>>
>>>>> java.lang.IllegalArgumentException: Comparison method violates its
>>>>> general contract!
>>>>>
>>>>> at java.util.TimSort.mergeHi(Unknown Source)
>>>>>
>>>>> at java.util.TimSort.mergeAt(Unknown Source)
>>>>>
>>>>> at java.util.TimSort.mergeCollapse(Unknown Source)
>>>>>
>>>>> at java.util.TimSort.sort(Unknown Source)
>>>>>
>>>>> at java.util.TimSort.sort(Unknown Source)
>>>>>
>>>>> at java.util.Arrays.sort(Unknown Source)
>>>>>
>>>>> at
>>>>> sun.awt.datatransfer.DataTransferer.setToSortedDataFlavorArray(Unknown
>>>>> Source)
>>>>>
>>>>> at sun.awt.datatransfer.ClipboardTransferable.<init>(Unknown Source)
>>>>>
>>>>> at sun.awt.datatransfer.SunClipboard.getContents(Unknown Source)
>>>>>
>>>>> at
>>>>> javax.swing.TransferHandler$TransferAction.actionPerformedImpl(Unknown
>>>>> Source)
>>>>>
>>>>> at javax.swing.TransferHandler$TransferAction.access$700(Unknown
>>>>> Source)
>>>>>
>>>>> at javax.swing.TransferHandler$TransferAction$1.run(Unknown Source)
>>>>>
>>>>> at javax.swing.TransferHandler$TransferAction$1.run(Unknown Source)
>>>>>
>>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>>>
>>>>> at
>>>>> java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
>>>>> Source)
>>>>>
>>>>> at
>>>>> java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
>>>>> Source)
>>>>>
>>>>> at javax.swing.TransferHandler$TransferAction$2.run(Unknown Source)
>>>>>
>>>>> at javax.swing.TransferHandler$TransferAction$2.run(Unknown Source)
>>>>>
>>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>>>
>>>>> at
>>>>> java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
>>>>> Source)
>>>>>
>>>>> at
>>>>> javax.swing.TransferHandler$TransferAction.actionPerformed(Unknown
>>>>> Source)
>>>>>
>>>>> at javax.swing.text.JTextComponent.invokeAction(Unknown Source)
>>>>>
>>>>> at javax.swing.text.JTextComponent.paste(Unknown Source)
>>>>>
>>>>> at
>>>>> javax.swing.text.DefaultEditorKit$PasteAction.actionPerformed(Unknown
>>>>> Source)
>>>>>
>>>>> at javax.swing.SwingUtilities.notifyAction(Unknown Source)
>>>>>
>>>>> at javax.swing.JComponent.processKeyBinding(Unknown Source)
>>>>>
>>>>> at javax.swing.JComponent.processKeyBindings(Unknown Source)
>>>>>
>>>>> at javax.swing.JComponent.processKeyEvent(Unknown Source)
>>>>>
>>>>> at java.awt.Component.processEvent(Unknown Source)
>>>>>
>>>>> at java.awt.Container.processEvent(Unknown Source)
>>>>>
>>>>> at java.awt.Component.dispatchEventImpl(Unknown Source)
>>>>>
>>>>> at java.awt.Container.dispatchEventImpl(Unknown Source)
>>>>>
>>>>> at java.awt.Component.dispatchEvent(Unknown Source)
>>>>>
>>>>> at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
>>>>>
>>>>> at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown
>>>>> Source)
>>>>>
>>>>> at
>>>>> java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown
>>>>> Source)
>>>>>
>>>>> at
>>>>> java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown
>>>>> Source)
>>>>>
>>>>> at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
>>>>>
>>>>> at java.awt.Component.dispatchEventImpl(Unknown Source)
>>>>>
>>>>> at java.awt.Container.dispatchEventImpl(Unknown Source)
>>>>>
>>>>> at java.awt.Window.dispatchEventImpl(Unknown Source)
>>>>>
>>>>> at java.awt.Component.dispatchEvent(Unknown Source)
>>>>>
>>>>> at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
>>>>>
>>>>> at java.awt.EventQueue.access$300(Unknown Source)
>>>>>
>>>>> at java.awt.EventQueue$3.run(Unknown Source)
>>>>>
>>>>> at java.awt.EventQueue$3.run(Unknown Source)
>>>>>
>>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>>>
>>>>> at
>>>>> java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
>>>>> Source)
>>>>>
>>>>> at
>>>>> java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
>>>>> Source)
>>>>>
>>>>> at java.awt.EventQueue$4.run(Unknown Source)
>>>>>
>>>>> at java.awt.EventQueue$4.run(Unknown Source)
>>>>>
>>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>>>
>>>>> at
>>>>> java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
>>>>> Source)
>>>>>
>>>>> at java.awt.EventQueue.dispatchEvent(Unknown Source)
>>>>>
>>>>> at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown
>>>>> Source)
>>>>>
>>>>> at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>>>>>
>>>>> at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown
>>>>> Source)
>>>>>
>>>>> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>>>>>
>>>>> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>>>>>
>>>>> at java.awt.EventDispatchThread.run(Unknown Source)
>>>>>
>>>>> =============
>>>>>
>>>>>
>>>>>
>>>>> When I check the issue tracker
>>>>> http://bugs.java.com/view_bug.do?bug_id=8023043 shows as fixed in
>>>>> 7u60. Did this get fixed in 7u60 through 7u80? The stacktrace is a
>>>>> little different from that bug so should I file this as a new issue?
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>>
>>>>> Jason
>>>>>
>>>>
>
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