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Grouper and Tomcat5.5 on Ubuntu Hardy

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  • From: Martin van Es <>
  • To:
  • Subject: Grouper and Tomcat5.5 on Ubuntu Hardy
  • Date: Fri, 30 Jan 2009 11:49:05 +0100


While playing around with Grouper I started out using the Ubuntu (Hardy)
default packages: tomcat5.5 and java6 since these were 'tested'
for Grouper. Running grouper on Hardy's tomcat 5.5 fails however until I set
TOMCAT5_SECURITY=no in /etc/default/tomcat5.5 (so I switched to 4.1/1.4 to
starting, but had to find out what was wrong, so switched again today and
found out :).

TOMCAT_SECURITY=yes triggers this rule in the tomcat startup script:
if [ "$TOMCAT5_SECURITY" = "yes" ]; then
JAVA_OPTS="$JAVA_OPTS -$CATALINA_BASE/conf/catalina.policy"

Apparently Grouper 1.4.0 is not compatible with Ubuntu Hardy's default
security implementation (catalina.policy), so my questions are: Is it (very)
bad to run tomcat without security manager? And if so: what policy might be
breaking Grouper?

The most common error I get when security is on is:
Root Cause: org.xml.sax.SAXException: Internal Error: File
/javax/servlet/resources/web-app_2_3.dtd not found

In Ubuntu the servlet-api jars are stored in /usr/share/java.

Martin van Es

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