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https://issues.apache.org/jira/browse/IGNITE-7398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361935#comment-16361935
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Pavel Vinokurov commented on IGNITE-7398:
-----------------------------------------

[~dpavlov], 
**[https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&tab=projectOverview&branch_IgniteTests24Java8=pull%2F3492%2Fmerge]

 

> InstanceNotFoundException appears in the log when a cache is closed and 
> MBeans are disabled
> -------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-7398
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7398
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.4
>            Reporter: Stanislav Lukyanov
>            Assignee: Pavel Vinokurov
>            Priority: Minor
>
> If IGNITE_MBEANS_DISABLED is set to true, whenever a cache is started the 
> following error is logged:
> javax.management.InstanceNotFoundException: 
> org.apache:clsLdr=18b4aac2,igniteInstanceName=mbeans.GridMBeanDisableSelfTest0,group=Cache
>  groups,name=MyCache
>       at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
>       at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
>       at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
>       at 
> com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.cleanup(GridCacheProcessor.java:606)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.stopCacheGroup(GridCacheProcessor.java:2264)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.stopCacheGroup(GridCacheProcessor.java:2253)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.stopCaches(GridCacheProcessor.java:907)
>       at 
> org.apache.ignite.internal.processors.cache.GridCacheProcessor.stop(GridCacheProcessor.java:872)
>       at org.apache.ignite.internal.IgniteKernal.stop0(IgniteKernal.java:2316)
>       at org.apache.ignite.internal.IgniteKernal.stop(IgniteKernal.java:2182)
>       at 
> org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.stop0(IgnitionEx.java:2512)
>       at 
> org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.stop(IgnitionEx.java:2475)
>       at org.apache.ignite.internal.IgnitionEx.stop(IgnitionEx.java:362)
>       at org.apache.ignite.Ignition.stop(Ignition.java:224)
>       at org.apache.ignite.internal.IgniteKernal.close(IgniteKernal.java:3509)
>       at 
> org.apache.ignite.util.mbeans.GridMBeanDisableSelfTest.testCorrectMBeanInfo(GridMBeanDisableSelfTest.java:101)
>       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 junit.framework.TestCase.runTest(TestCase.java:176)
>       at 
> org.apache.ignite.testframework.junits.GridAbstractTest.runTestInternal(GridAbstractTest.java:2001)
>       at 
> org.apache.ignite.testframework.junits.GridAbstractTest.access$000(GridAbstractTest.java:133)
>       at 
> org.apache.ignite.testframework.junits.GridAbstractTest$5.run(GridAbstractTest.java:1916)
>       at java.lang.Thread.run(Thread.java:748)
> That's because GridCacheProcessor::cleanup unconditionally attempts to 
> unregister cache's MBean, not checking whether or not the cache actually has 
> an MBean registered for it.



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