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Hi Kevin, It isn't clear to me from the error messages what the problem is when you run two TDS on the same Tomcat instance. We have not introduced a new way to accomplish this. I will dig into it and see what I can figure out. I'll get back to you soon. Ethan > In the past, using v3.x of TDS, I have been able to run multiple > instances of THREDDS under the same tomcat by modifying the > WEB-INF/web.xml files to change the name of the context, as such: > > <context-param> > <param-name>ContextPath</param-name> > <param-value>/thredds2/</param-value> > </context-param> > > > This would then create a > content/thredds2 > > directory which the catalog would live in, etc. > > However, using v4.1 I find this simple change no longer works. After > making the above change, I receive an error in the tomcat log files that > simply says: > > INFO: Deploying web application archive thredds2.war > log4j:WARN No appenders could be found for logger > (org.apache.commons.digester.Digester.sax). > log4j:WARN Please initialize the log4j system properly. > TdsConfigContextListener.contextInitialized(): start. > Jan 7, 2010 12:50:03 PM org.apache.catalina.core.StandardContext start > *SEVERE: Error listenerStart* > Jan 7, 2010 12:50:03 PM org.apache.catalina.core.StandardContext start > SEVERE: Context [/thredds2] startup failed due to previous errors > > I'm using tomcat 5.5.x and java 1.6. TDS v4.1 runs fine under the > "thredds" context, by the way. > > Did THREDDS v4.1 introduce another way to accomplish running multiple > instances under the same tomcat? > > thanks > Kevin > > -- > Kevin O'Brien UW/JISAO > Research Scientist NOAA/PMEL/TMAP Ticket Details =================== Ticket ID: CZR-333353 Department: Support THREDDS Priority: Normal Status: Open