Problem with Multiple Instances with Tomcat

[Peter Ng <pe...@nytimes.com>]

Hey all,

I'm having an issue when trying to run multiple instances of tomcat  
per user.  I have been trying to sort through the problem for a while  
and I can't seem to understand why its giving me this issue.  The  
issue is upon starting tomcat up in a user directory

$CATALINA_HOME/bin/startup.sh -Dcatalina.base=/path/to/base

I have CATALINA_HOME, CATALINA_BASE, and JAVA_HOME set properly.  i  
get this exception:

Feb 5, 2007 5:24:37 PM org.apache.catalina.startup.ContextConfig  
applicationWebConfig
SEVERE: Parse error in application web.xml file at jndi:/localhost/ 
application/WEB-INF/web.xml
java.lang.ClassNotFoundException: org.apache.catalina.Container
         at  
org.apache.tomcat.util.digester.Digester.createSAXException 
(Digester.java:2725)
         at  
org.apache.tomcat.util.digester.Digester.createSAXException 
(Digester.java:2751)
         at org.apache.tomcat.util.digester.Digester.endElement 
(Digester.java:1060)
         at  
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement( 
AbstractSAXParser.java:601)
         at  
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endNamespace 
Scope(XMLDTDValidator.java:2077)
         at  
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleEndEle 
ment(XMLDTDValidator.java:2028)
         at  
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endElement 
(XMLDTDValidator.java:901)
         at  
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.s 
canEndElement(XMLDocumentFragmentScannerImpl.java:1772)
         at  
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl 
$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2923)
         at  
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next 
(XMLDocumentScannerImpl.java:645)
         at  
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.s 
canDocument(XMLDocumentFragmentScannerImpl.java:508)
         at  
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse 
(XML11Configuration.java:807)
         at  
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse 
(XML11Configuration.java:737)
...

It appears that there is something wrong with the webapps web.xml  
file.  But when I simply take that webapp and place it into the  
$CATALINA_HOME webapps directory and fire tomcat up from  
$CATALINA_HOME, it all works perfectly fine, including the servlet  
that this exception seemingly fails on.  So it appears that my  
web.xml file is valid and working, along with my code.

Now I believe there is a classpath problem, because it works in the  
$CATALINA_HOME dir, but not with the $CATALINA_BASE dir.  I also  
tried placing a copy of catalina.jar into my user directory libs and  
I pass the problem above, but I get this exception instead:

SEVERE: Parse error in application web.xml file at jndi:/localhost/ 
numberlookup/WEB-INF/web.xml
java.lang.NoSuchMethodException:  
org.apache.catalina.core.StandardContext addChild
         at  
org.apache.tomcat.util.digester.Digester.createSAXException 
(Digester.java:2725)
         at  
org.apache.tomcat.util.digester.Digester.createSAXException 
(Digester.java:2751)
         at org.apache.tomcat.util.digester.Digester.endElement 
(Digester.java:1060)
         at  
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement( 
AbstractSAXParser.java:633)
         at  
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endNamespace 
Scope(XMLDTDValidator.java:2108)
         at  
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleEndEle 
ment(XMLDTDValidator.java:2059)
         at  
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endElement 
(XMLDTDValidator.java:932)


Any one have any suggestions?  I have a feeling that its a simple  
problem to fix, but I'm missing something.

Thanks a bunch!
Peter


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