Hi,
I am using the Struts Validator in my webapp but encounter the following
error on each page that tries to use it.
java.lang.NoClassDefFoundError:
org/apache/struts/validator/action/ValidatorForm
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:509)
....
My WEB-INF/lib has the following jars
commons-beanutils.jar
commons-collections.jar
commons-digester.jar
jakarta-regexp-1.2.jar
struts.jar
struts-validator.jar
tiles.jar
The ValidatorForm is thus clearly in the webapp classpath.
I have read this may be because of the ValidatorForm class appearing
twice on my system classpath, but this does not seem to be the case. My
system classpath on JBoss is:
c:\Java\j2sdk1.4.0/lib/tools.jar
run.jar
../lib/crimson.jar
/C:/var/jboss/log/
/C:/var/jboss/lib/ext/activation.jar
/C:/var/jboss/lib/ext/castor-0.9.1.jar
/C:/var/jboss/lib/ext/gnu-regexp-1.0.8.jar
/C:/var/jboss/lib/ext/hsql.jar
/C:/var/jboss/lib/ext/idb.jar
/C:/var/jboss/lib/ext/jboss-j2ee.jar
/C:/var/jboss/lib/ext/jboss-management.jar
/C:/var/jboss/lib/ext/jboss.jar
/C:/var/jboss/lib/ext/jbosscx.jar
/C:/var/jboss/lib/ext/jbossmq.jar
/C:/var/jboss/lib/ext/jbosspool.jar
/C:/var/jboss/lib/ext/jbosssx.jar
/C:/var/jboss/lib/ext/jetty-service.jar
/C:/var/jboss/lib/ext/jmxtools.jar
/C:/var/jboss/lib/ext/jndi.jar
/C:/var/jboss/lib/ext/jnpserver.jar
/C:/var/jboss/lib/ext/jpl-util-0_5b.jar
/C:/var/jboss/lib/ext/log4j.jar
/C:/var/jboss/lib/ext/mail.jar
/C:/var/jboss/lib/ext/mysql.jar
/C:/var/jboss/lib/ext/oswego-concurrent.jar
/C:/var/jboss/lib/ext/ots-jts_1.0.jar
/C:/var/jboss/lib/ext/tomcat-service.jar
/C:/var/jboss/lib/ext/tyrex-0.9.8.5.jar
/C:/var/jboss/tmp/
/C:/var/jboss/db/
/C:/var/tomcat/lib/ant.jar
/C:/var/tomcat/lib/jasper.jar
/C:/var/tomcat/lib/servlet.jar
/C:/var/tomcat/lib/tools.jar
/C:/var/tomcat/lib/webserver.jar
The example war that came with the Validator seems to work fine, so it
must be a local issue to my deployment.
Any ideas?
Craig
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