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Why do I get the error "com.segue.monitoring.jmx.common.exception.RtException: Unable to connect" when monitoring Websphere via JMX?

Why do I get the error "com.segue.monitoring.jmx.common.exception.RtException: Unable to connect" when monitoring Websphere via JMX?

One possible cause for the error is that during installation the IBM JDK, required for the Websphere JMX monitor, was not found. To verify this inspect the jmx-config.xml file which can be found in the Silk Performer Include directory, for example:

C:\Program Files (x86)\silk\Silk Performer 10.0\Include\jmx-config

 

If the IBM JDK was not found or not installed, the config file would have an entry like:

<JvmReference>

<MajorVersion>1.4</MajorVersion>

<FullVersion>%IBM_JVM_VERSION_14%</FullVersion>

 <Vendor>IBM</Vendor>

<Homepath>%IBM_JVM_HOMEPATH_14%</Homepath>

</JvmReference>  

 

To resolve you need ensure that the IBM JDK is installed then run perfJVMPlaceholder.exe which can be found at the Silk Performer root directory which should modify the jmx-config.xml accordingly.  Below is an example of how it should look: 

<JvmReference>

<MajorVersion>1.4</MajorVersion>

<FullVersion>1.4.2</FullVersion>

<Vendor>IBM</Vendor>

<HomepathC:\Java\WebSphere\AppServer\java</Homepath>

</JvmReference>

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