[jboss-dev] Hostname problem when starting JB AS TRUNK

[Ron Sigal]

Sorry, I wasn't following this thread.  Mostly, I'm going to plead 
ignorance - I've never touched JBoss jmx-remoting.  However, Jason seems 
to be on the right track.  The line numbers in Tim's stack trace don't 
match the JBoss implementation of javax.management.remote.JMXServiceURL.

-Ron

Jason T. Greene wrote:
> OK, I just verified and this is explicitly disallowed in the JDK 
> version of JMXSerivceURL (IMO a bug). It is however allowed in URL.
>
> The JBoss implementation of JMXServiceURL does allow it, so the 
> problem is that it is not in endorsed libs.
>
> -Jason
>
> Jason T. Greene wrote:
>> No escaping should be needed. The JDK allows underscores in 
>> hostnames. In reality there is nothing wrong with them, they just 
>> aren't allowed in DNS.
>>
>> Tim Fox wrote:
>>>
>>>
>>> Dimitris Andreadis wrote:
>>>> Am I missing the point, or this is JDK code being executed 
>>>> (javax.management...). How escaping the hostname could help?
>>>
>>> AFAICT the string is just a JMX service name, it doesn't *have to* 
>>> contain the actual hostname AFAICT:
>>>
>>> String serviceURL = "service:jmx:rmi://" + bindAddress + 
>>> "/jndi/rmi://" + bindAddress + ":" + registryPort + jndiPath;
>>>
>>> So should be to escape it before passing it to the JDK code.
>>>
>>> Maybe someone from the remoting team should comment, since this is 
>>> remoting code...
>>>
>>>>
>>>> java.net.MalformedURLException: Bad URL path: 
>>>> _laptop/jndi/rmi://tims_laptop:1090/jmxconnector
>>>>         at 
>>>> javax.management.remote.JMXServiceURL.validate(JMXServiceURL.java:348)
>>>>         at 
>>>> javax.management.remote.JMXServiceURL.<init>(JMXServiceURL.java:208)
>>>>         at 
>>>> org.jboss.mx.remoting.service.JMXConnectorServerService.start(JMXConnectorServerService.java:106) 
>>>>
>>>>
>>>> This looks like a non-issue to me. Better change your hostname :)
>>>>
>>>> Tim Fox wrote:
>>>>> I'm not familiar with that code, but I'm assuming that whoever is 
>>>>> generating the URLs should be able to escape any occurences of '_' 
>>>>> pretty easily....
>>>>>
>>>>>
>>>>> Dimitris Andreadis wrote:
>>>>>> So, is this a JDK problem, or not?
>>>>>>
>>>>>> _______________________________________________
>>>>>> jboss-development mailing list
>>>>>> jboss-development at lists.jboss.org
>>>>>> https://lists.jboss.org/mailman/listinfo/jboss-development
>>>>>
>>>> _______________________________________________
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>>>
>>
>>
>
>

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JBoss, a Division of Red Hat
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