Re: [infinispan-dev] Exposing numOwners through JMX
That attribute doesn't seem to be working for me. When I try to access it in jconsole,
I get this in the server log:
10:56:53,338 WARN [org.infinispan.jmx.ResourceDMBean] (RMI TCP Connection(2)-127.0.0.1)
ISPN000036: Did not find attribute configurationAsXmlString
If I try to access it programmatically, through the MBeanServer, I get this in the server
log:
10:49:27,598 ERROR [stderr] (http-/127.0.0.1:8180-1)
javax.management.AttributeNotFoundException: Unknown attribute
'configurationAsXmlString'. Known attributes names are: [cacheName, cacheStatus,
configurationAsXmlString]
10:49:27,599 ERROR [stderr] (http-/127.0.0.1:8180-1) at
org.infinispan.jmx.ResourceDMBean.getAttribute(ResourceDMBean.java:201)
10:49:27,599 ERROR [stderr] (http-/127.0.0.1:8180-1) at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:683)
10:49:27,599 ERROR [stderr] (http-/127.0.0.1:8180-1) at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:672)
10:49:27,599 ERROR [stderr] (http-/127.0.0.1:8180-1) at
org.jboss.as.jmx.PluggableMBeanServerImpl$TcclMBeanServer.getAttribute(PluggableMBeanServerImpl.java:419)
10:49:27,599 ERROR [stderr] (http-/127.0.0.1:8180-1) at
org.jboss.as.jmx.PluggableMBeanServerImpl.getAttribute(PluggableMBeanServerImpl.java:154)
which seems strange, since it's reported among the "known attribute names".
Nothing obvious jumps out at me from looking at the code for ResourceDMBean.
----- Original Message -----
From: "Galder Zamarreño" <galder(a)redhat.com>
To: "infinispan -Dev List" <infinispan-dev(a)lists.jboss.org>
Sent: Thursday, July 19, 2012 9:29:34 AM
Subject: Re: [infinispan-dev] Exposing numOwners through JMX
Did you try: Cache.ConfigurationAsXmlString jmx property?
On Jul 18, 2012, at 11:14 PM, David van Balen wrote:
After looking at the JMX component documentation
(http://docs.jboss.org/infinispan/5.1/apidocs/jmxComponents.html) and browsing around in
jconsole, I don't see the numOwners attribute for distributed caches exposed anywhere,
although I thought I had seen it before.
In any case, the only way I see numOwners being retrieved in the ISPN source is by
calling DistributionManager.locate for a particular key. Is there a way to retrieve the
currently configured value of numOwners, regardless of whether it's the default or was
overridden in the configuration?
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Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache
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