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Connecting to secured JMX MBeans
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created by <a href="http://community.jboss.org/people/apinke">Amit P</a> in <i>JMX Development</i> - <a href="http://community.jboss.org/message/534104#534104">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi ,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have to access certain MBeans that secured by basic auth on jmx-console. I can access them using a standalone client as decribed</p><p>here : <a class="jive-link-external-small" href="http://www.len.ro/2006/12/jmx-invocation-with-secured-console/">http://www.len.ro/2006/12/jmx-invocation-with-secured-console/</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here is how it has worked for me till now :</p><p>I have a standalone java client  that I start up with a -D<span style="color: #2a00ff; font-size: 10pt; ">java.security.auth.login.config=<path_to_auth_conf></span></p><p><span style="color: #2a00ff; font-size: 10pt; ">The auth.conf has no new entires and its the default one that is present in the default/conf</span></p><p><span style="color: #2a00ff; font-size: 10pt; ">I create the CallBackHandler with the user and pwd and set the LoginContext</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;"><p>LoginContext lc = <strong><span style="color: #7f0055; font-size: 10pt; ">new</span><span style="font-size: 10pt;"> LoginContext(</span><span style="color: #2a00ff; font-size: 10pt; ">"jmx-console"</span><span style="font-size: 10pt;">, handler); //have tried "other" also .</span></strong></p><p><span style="font-size: 10pt;"><p>lc.<span style="text-decoration: underline;">login</span>();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style=": ; font-size: 2; "><p align="left"><span style="text-decoration: underline;">Hashtable</span> env =</p></span><p align="left"><strong style=": ; color: #7f0055; font-size: 10pt; ">new</strong><span style="font-size: 10pt;"> <span style="text-decoration: underline;">Hashtable</span>();<span style="font-size: 2; "><p align="left">String factory = "</p></span></span></p><p align="left"><span style="color: #2a00ff; font-size: 10pt; ">org.jnp.interfaces.NamingContextFactory"</span><span style="font-size: 10pt;">;<span style="font-size: 2; "><p align="left"><span style="text-decoration: underline;">env.put(Context.</span></p></span></span></p><p align="left"><em style=": ; color: #0000c0; font-size: 10pt; ">INITIAL_CONTEXT_FACTORY</em><span style="font-size: 10pt; text-decoration: underline; ">, factory);<span style="font-size: 2; "><p align="left"><span style="text-decoration: underline;">env.put(Context.</span></p></span></span></p><p align="left"><em style=": ; color: #0000c0; font-size: 10pt; ">PROVIDER_URL</em><span style="font-size: 10pt;">, </span><span style="color: #0000c0; font-size: 10pt; ">jndiUrl</span><span style="font-size: 10pt; text-decoration: underline; ">);<span style="font-size: 2; "><p align="left"><span style="text-decoration: underline;">env.put(Context.</span></p></span></span></p><p align="left"><em style=": ; color: #0000c0; font-size: 10pt; ">SECURITY_CREDENTIALS</em><span style="font-size: 10pt;">, </span><span style="color: #0000c0; font-size: 10pt; ">pw</span><span style="font-size: 10pt; text-decoration: underline; ">);<span style="font-size: 2; "><p align="left"><span style="text-decoration: underline;">env.put(Context.</span></p></span></span></p><p align="left"><em style=": ; color: #0000c0; font-size: 10pt; ">SECURITY_PRINCIPAL</em><span style="font-size: 10pt;">, </span><span style="color: #0000c0; font-size: 10pt; ">userId</span><span style="font-size: 10pt; text-decoration: underline; ">);<span style="font-size: 2; "><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style=": ; font-size: 2; "><p align="left">Context ctx =</p></span><p align="left"><strong style=": ; color: #7f0055; font-size: 10pt; ">new</strong><span style="font-size: 10pt;"> InitialContext(env);<p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style="font-size: 2; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #0000c0; font-size: 10pt; ">mbeanServer</span><span style="font-size: 10pt;"> = (MBeanServerConnection) ctx.lookup(</span><span style="color: #2a00ff; font-size: 10pt; ">"jmx/invoker/RMIAdaptor"</span><span style="font-size: 10pt;">);<br/></span></p><p><span style="font-size: 10pt;">Using the above I am able to connect.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">When I try the *same* code from within a servlet  it doesnt work. </span></p><p><span style="font-size: 10pt;">I get a principal=null for the domain error , which I think indicates that the user credentials are not getting passed.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">Is there any other setting that i have to do in order to connect to a secured JMX server from *within* another JBOSS server ?</span></p><p><span style="font-size: 10pt;">Any changes in user.properties , role.properties ? , any change in the auth-conf ? </span></p><p><span style="font-size: 10pt;">I dont know what changes to make to my local JBoss instance so that the servlet deployed in it can talk to remote JMX MBeans,</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">Any guidance and hints are highly appreciated !!</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">thanks</span></p><p><span style="font-size: 10pt;">Pat</span></p></p></span></p><span style="font-size: 2; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><p><span style="color: #2a00ff; font-size: 10pt; "><p><span style="color: #2a00ff; font-size: 10pt; "><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></p></span></p></div>
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