Re: problem with MX4J, JAVA 5.0, dynamic mbeans

Hi,

> How do I force the application to use mx4j instead of JMX shipped with java
> 5.0?
>
> I tried putting MX4j in the bootclasspath but I am getting following error
> while creating the mbeanserver
> java.lang.Error: java.lang.NullPointerException
>         at
> mx4j.server.MBeanMetaData$Factory.create(MBeanMetaData.java:180)

Which version of MX4J you're using ? This bug should have been fixed long ago.
Try to upgrade to 3.0.2.

> I also tried using
> -Djavax.management.builder.initial=mx4j.server.MX4JMBeanServerBuilder
> with out putting mx4j classes them in the case path, now it comes up
> propertly (using the MX4J class to create the mbeanserver, I guess) , but is
> it not all replacing all JAVA 5.0 JMX classes with MX4J classes. i.e it is
> not using the MX4J implementation of RequiredModelMBean class.
>
> In short how do I force the application to use mx4j instead of Java 5.0 JMX.
>  If that is not possible, is there any way to force the application to use
> MX4J implementation of RequiredModelMBean instead of Java 5.0
> implemenataion.

You have to put the classes in bootclasspath before the JDK ones.
Using the proper version of MX4J should solve the problem.

Simon
-- 
http://bordet.blogspot.com

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