perfsonar development work

[Atanas Terziyski <>]

Dear Perfsonar Developers,

I would like to share with you a temporal error message (or problem) 
that might be due to some recently installed services on URAN.

So far we have LS, hLS, gLS, RRD MA and SQL MA on uran.acad.bg. During 
some tests today Stijn reported the following eXist error message:

--------------------------------------
XML Parsing Error: no element found
Location: http://uran.acad.bg:8080/exist/index.xml
Line Number 1, Column 1:
^
--------------------------------------

while tomcat log files were full of the following:

--------------------------------------
...
SEVERE: Servlet.service() for servlet Cocoon threw exception
java.lang.OutOfMemoryError: PermGen space
Jun 5, 2008 4:47:14 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet XQueryServlet threw exception
java.lang.OutOfMemoryError: PermGen space
Jun 5, 2008 4:48:34 PM org.apache.catalina.core.ApplicationContext log
SEVERE: Servlet jsp threw unload() exception
...
--------------------------------------

In addition the normal procedure of shutting down tomcat with 
tomcat/bin/shutdown.sh took some minutes (check top.png).

It would be great if you could provide any tips on how to avoid such 
errors in future.

Kind regards,

Atanas

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