JBAS51 and JDK6 - underscore characters in hostnames

[simon_temple]

A bind name with an underscore character causes a java.net.MalformedURLException during startup.

The sys admin doesn't want to change (correct!) the hostname, I don't really want to have to use the IP address.

Java seems to have problems with hostnames that contain underscores: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6587184

Could the JBAS code be changed to work around this issue?

Is that a really dumb thing to work around?

Should I insist that the sys admin change the hostname?

wdyt?


Any and all comments appreciated.

2009-07-09 14:11:32,477 ERROR org.jboss.kernel.plugins.dependency.AbstractKernelController](main) Error installing to Start: name=jboss.remoting:protocol=rmi,service=JMXConnectorServer state=Create mode=Manual requiredState=Installed
java.net.MalformedURLException: Bad URL path: _test/jndi/rmi://torrington_test:1090/jmxconnector
at javax.management.remote.JMXServiceURL.validate(JMXServiceURL.java:348)
at javax.management.remote.JMXServiceURL.(JMXServiceURL.java:208)
at org.jboss.mx.remoting.service.JMXConnectorServerService.start(JMXConnectorServerService.java:127)

[jaikiran]

Java seems to have problems with hostnames that contain underscores: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6587184

Actually its the RFC952 and RFC1123 which specify the syntax of the hostname. And as per those, underscore is not a valid character in the hostname.

The sys admin doesn't want to change (correct!) the hostname

I guess you will have to convince him because the hostname does not follow the RFC and might lead to other issues too http://smaftoul.wordpress.com/2009/04/14/hostname-and-underscore/. Until he changes the hostname, using the IP address would be an option.