[infinispan-issues] [JBoss JIRA] (ISPN-2756) Enabling/disabling RpcManager statistics via JMX doesn't work

[Galder Zamarreño (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750497#comment-12750497 ] 

Galder Zamarreño commented on ISPN-2756:
----------------------------------------

Most likely this is related to ISPN-2611 + ISPN-2745.
                
> Enabling/disabling RpcManager statistics via JMX doesn't work
> -------------------------------------------------------------
>
>                 Key: ISPN-2756
>                 URL: https://issues.jboss.org/browse/ISPN-2756
>             Project: Infinispan
>          Issue Type: Bug
>          Components: JMX, reporting and management
>    Affects Versions: 5.2.0.CR2
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>             Fix For: 5.2.0.Final
>
>
> The test RpcManagerMBeanTest.testEnableJmxStats tries to write to the "StatisticsEnabled" attribute but fails. The operation doesn't throw an exception, but it does log this WARN message:
> {noformat}
> 10:43:42,079 WARN  (testng-RpcManagerMBeanTest:) [ResourceDMBean] ISPN000043: Exception while writing value for attribute statisticsEnabled
> java.lang.NullPointerException
> 	at org.infinispan.jmx.ResourceDMBean$InvokableSetterBasedMBeanAttributeInfo.invoke(ResourceDMBean.java:391)
> 	at org.infinispan.jmx.ResourceDMBean.setNamedAttribute(ResourceDMBean.java:325)
> 	at org.infinispan.jmx.ResourceDMBean.setAttribute(ResourceDMBean.java:212)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.setAttribute(DefaultMBeanServerInterceptor.java:746)
> 	at com.sun.jmx.mbeanserver.JmxMBeanServer.setAttribute(JmxMBeanServer.java:729)
> 	at org.infinispan.jmx.RpcManagerMBeanTest.testEnableJmxStats(RpcManagerMBeanTest.java:134)
> {noformat}
> Because statistics are still enabled, the test then fails with an assertion error:
> {noformat}
> 10:43:42,464 ERROR (testng-RpcManagerMBeanTest:) [UnitTestTestNGListener] Test testEnableJmxStats(org.infinispan.jmx.RpcManagerMBeanTest) failed.
> java.lang.AssertionError: expected [-1] but found [1]
> 	at org.testng.Assert.fail(Assert.java:94)
> 	at org.testng.Assert.failNotEquals(Assert.java:494)
> 	at org.testng.Assert.assertEquals(Assert.java:123)
> 	at org.testng.Assert.assertEquals(Assert.java:165)
> 	at org.infinispan.jmx.RpcManagerMBeanTest.testEnableJmxStats(RpcManagerMBeanTest.java:138)
> {noformat}

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