OpenDataException thrown when constructing CompositeData for ThreadInfo

[Mandy Chung]

I assume it's a simple ThreadInfo then a simple text form would work; if 
not, you can use the format NB use if you have the reader.

Mandy

On 10/22/18 7:53 AM, Sven Reimers wrote:
> Hi Mandy,
> will try to get a sample to you.
>
> Which format do you prefer?
>
> Thanks for helping
>
> -Sven
>
>
> Mandy Chung <mandy.chung at oracle.com <mailto:mandy.chung at oracle.com>> 
> schrieb am So., 21. Okt. 2018, 23:26:
>
>     Hi Sven,
>
>     Do you have a sample ThreadInfo to reproduce this issue?   That
>     will be helpful.  JMX monitoring is not impacted as far as I can
>     tell.  NB profiling is using this internal API
>     `sun.management.ThreadInfoCompositeData::toCompositeData` which
>     may be unused since JMX supports MXBean.
>
>     Mandy
>
>     On 10/21/18 5:38 PM, Sven Reimers wrote:
>>     Hi,
>>
>>     one more problem to go
>>
>>     After applying the proposed fix for the
>>     ThreadINfoCompositeData.compositeTyoe() the following exception
>>     is raised:
>>
>>     java.lang.reflect.InvocationTargetException
>>     at
>>     java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
>>     Method)
>>     at
>>     java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>     at
>>     java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>     at java.base/java.lang.reflect.Method.invoke(Method.java:566)
>>     at
>>     org.netbeans.modules.sampler.SamplesOutputStream.toCompositeData(SamplesOutputStream.java:178)
>>     at
>>     org.netbeans.modules.sampler.SamplesOutputStream.access$400(SamplesOutputStream.java:44)
>>     at
>>     org.netbeans.modules.sampler.SamplesOutputStream$Sample.writeToStream(SamplesOutputStream.java:285)
>>     at
>>     org.netbeans.modules.sampler.SamplesOutputStream$Sample.access$300(SamplesOutputStream.java:253)
>>     at
>>     org.netbeans.modules.sampler.SamplesOutputStream.close(SamplesOutputStream.java:202)
>>     at
>>     org.netbeans.modules.sampler.Sampler.stopSampling(Sampler.java:231)
>>     at org.netbeans.modules.sampler.Sampler.stop(Sampler.java:207)
>>     at
>>     org.netbeans.core.ui.sampler.SelfSamplerAction$1.doInBackground(SelfSamplerAction.java:90)
>>     at java.desktop/javax.swing.SwingWorker$1.call(SwingWorker.java:304)
>>     at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>>     at java.desktop/javax.swing.SwingWorker.run(SwingWorker.java:343)
>>     at
>>     java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>>     at
>>     java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>>     at java.base/java.lang.Thread.run(Thread.java:835)
>>     Caused by: java.lang.AssertionError:
>>     javax.management.openmbean.OpenDataException: Argument value of
>>     wrong type for item lockInfo: value false, type
>>     javax.management.openmbean.CompositeType(name=java.lang.management.LockInfo,items=((itemName=className,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=identityHashCode,itemType=javax.management.openmbean.SimpleType(name=java.lang.Integer))))
>>     at
>>     java.management/sun.management.ThreadInfoCompositeData.getCompositeData(ThreadInfoCompositeData.java:135)
>>     at
>>     java.management/sun.management.ThreadInfoCompositeData.toCompositeData(ThreadInfoCompositeData.java:72)
>>     ... 18 more
>>     Caused by: javax.management.openmbean.OpenDataException: Argument
>>     value of wrong type for item lockInfo: value false, type
>>     javax.management.openmbean.CompositeType(name=java.lang.management.LockInfo,items=((itemName=className,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=identityHashCode,itemType=javax.management.openmbean.SimpleType(name=java.lang.Integer))))
>>     at
>>     java.management/javax.management.openmbean.CompositeDataSupport.<init>(CompositeDataSupport.java:235)
>>     at
>>     java.management/javax.management.openmbean.CompositeDataSupport.<init>(CompositeDataSupport.java:118)
>>     at
>>     java.management/sun.management.ThreadInfoCompositeData.getCompositeData(ThreadInfoCompositeData.java:130)
>>     ... 19 more
>>
>>     Seems the sequence of values is broken for
>>     ThreadInfoCompoositeData also.
>>
>>     Changing the sequence so that lockInfoData is after isNative
>>     fixes the problem:
>>
>>            final Object[] threadInfoItemValues = {
>>                 threadInfo.getThreadId(),
>>                 threadInfo.getThreadName(),
>>     threadInfo.getThreadState().name(),
>>                 threadInfo.getBlockedTime(),
>>                 threadInfo.getBlockedCount(),
>>                 threadInfo.getWaitedTime(),
>>                 threadInfo.getWaitedCount(),
>>                 threadInfo.getLockName(),
>>                 threadInfo.getLockOwnerId(),
>>                 threadInfo.getLockOwnerName(),
>>                 stackTraceData,
>>                 threadInfo.isSuspended(),
>>                 threadInfo.isInNative(),
>>                 lockInfoData,
>>                 lockedMonitorsData,
>>                 lockedSyncsData,
>>                 threadInfo.isDaemon(),
>>                 threadInfo.getPriority(),
>>             };
>>
>>     With both of this fixes in place I can finally get the self
>>     sampling in NetBeans to work on JDK 12.. (and 11)
>>
>>     Thanks for looking into this
>>
>>     -Sven
>>     -- 
>>     Sven Reimers
>>
>>     * Senior Expert Software Architect
>>     * Java Champion
>>     * JUG Leader JUG Bodensee: http://www.jug-bodensee.de
>>     * Duke's Choice Award Winner 2009
>

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