Another problem is with org.apache.log4j.jmx.LoggerDynamicMBean, this class 
also uses names with spaces.  What do you think about do a hivemind 
implementation of this class?  Or do you have a better solution?

thanks!

On Wednesday 15 June 2005 03:39, Achim Huegen wrote:
> Thanks for the hint.
> I myself was quite surprised that attribute names containing spaces
> were allowed, but it worked with Suns reference implementation and
> nothing in the specificiation states, that it is not allowed.
> Eventually I found it described in JavaDoc:
>
> http://java.sun.com/j2ee/1.4/docs/api/javax/management/MBeanFeatureInfo.htm
>l#MBeanFeatureInfo(java.lang.String, java.lang.String)
>
> I'll fix this.
>
> Achim
>
> Am Tue, 14 Jun 2005 12:04:22 -0300 schrieb Sebastian Zaffarano 
<[EMAIL PROTECTED]>:
> > Hi,
> >
> > We are trying to use hivemind-jmx in our application running under JBoss
> > 3.2.7.  The "hivemind.management.MBeans" contribution is ok, but we've
> > found problems (conflicts) with PerformanceMonitor and LogManagement:
> >
> > - javax.management.MBeanFeatureInfo's JBoss implementation (superclass of
> > javax.management.MBeanParameterInfo y
> > javax.management.MBeanAttributeInfo), validates in his constructor that
> > "name" (first constructor's parameter) must be a valid java identifier
> > (ex: "blah" is valid but "blah blah" is not).
> >
> > - PerformanceMonitor expose dynamic MBeans, and it has in its attribute's
> > names the method signature that it is collecting info ( ex someMethod(
> > some parameter ) ); then, when the interceptor tries to register the
> > dynamic MBean gets a runtime exception:
> >
> > java.lang.IllegalArgumentException: name is not a valid java type (or is
> > a reserved word): blah blah
> >     at javax.management.MBeanFeatureInfo.<init>(MBeanFeatureInfo.java:68)
> >     at
> > javax.management.MBeanAttributeInfo.<init>(MBeanAttributeInfo.java:99) at
> > gov.afip.pampa.component.AttributeInfoTest.main(AttributeInfoTest.java:20
> >)
> >
> > our solution was modify the interceptor
> > (org.apache.hivemind.management.impl.PerformanceMonitorFactory), to use
> > names that are valid java identifiers.
> >
> > -  Also, LogManagement uses for dynamic MBeans
> > org.apache.log4j.jmx.LoggerDynamicMBean, and this class creates
> > javax.management.MBeanParameterInfo with invalid (for JBoss) names:
> >
> >     // the <SPACE> in "class name" is wrong
> >     params[0] = new MBeanParameterInfo("class name", "java.lang.String",
> >                                    "add an appender to this logger");
> >     // idem
> >     params[1] = new MBeanParameterInfo("appender name",
> > "java.lang.String", "name of the appender");
> >
> > again, our solution was implement this class and modify the
> > ParameterInfo's name.
> >
> > Anyone has already found this problems with JBoss and hivemind-jmx?  How
> > was solved?
> >
> > I think it would be important for hivemind-jmx to be capable of running
> > under JBoss out-of-the-box considering it is the open source application
> > server with greatest market share and developer adoption.
> >
> > Thanks!
>
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-- 
Sebastian

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