Can not get Tomcat5 to listen to JPDA port

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Can not get Tomcat5 to listen to JPDA port

Can not get Tomcat5 to listen to JPDA port

2007-08-09 - By mikael.gustafsson@(protected)

Back

Reply: 1 2 3

Hi,

I am running Tomcat 5.5 (5.5.23-0jpp.1.0.4.el5) on Red Hat Enterprise 5
and can not get Tomcat to listen to port 8000 using JPDA. Searching the
mailing list archive did not hint to any solution.

I have verified that the actual call to the JVM includes the documented
parameters -Xdebug and -Xrunjdwp (see below). Tomcat starts fine and all
the webapps works properly. The problem is that netstat does not show any
process listening on port 8000. We have the same problem on another
machine running Fedora Core 6.

Starting tomcat using "jpda start" results in the following running
process:

/etc/alternatives/java_sdk/bin/java -Xdebug
-Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n
-Djavax.xml.transform.TransformerFactory=org.apache.xalan.processor
.TransformerFactoryImpl
-Djava.endorsed.dirs=/usr/share/tomcat5/common/endorsed -classpath
/etc/alternatives/java_sdk/lib/tools.jar:/usr/share/tomcat5/bin/bootstrap.jar:
/usr/share/tomcat5/bin/commons-logging-api.jar:/usr/share/java/mx4j/mx4j-impl
.jar:/usr/share/java/mx4j/mx4j-jmx.jar
-Dcatalina.base=/usr/share/tomcat5 -Dcatalina.home=/usr/share/tomcat5
-Djava.io.tmpdir=/usr/share/tomcat5/temp
org.apache.catalina.startup.Bootstrap start

No errors message occurrs in the catalina.out log file.

I use jpda-based debugging successfully on another machine running Tomcat
4.1.30 on a much older Red Hat release.

Since no one else seem to have this problem I assume that am I missing
something?

Best regards,
Mikael Gustafsson

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