Hello,
I have a ClassCast problem. I read the archive and attempted few
suggestions (like grouping everything in one jar in WEB-INF/lib) without
success.
I am using tomcat 4.0.4 and 1.3.1_02 under Solaris.
Someone suggested looking at the ClassLoaders. The following is
generated by something like:
Log4j("MyClass " + MyClass.class.getClassLoader());
--------------------------------------------------------------------
2002-07-13 18:36:56,808 - - MyClass WebappClassLoader
available:
delegate: false
repositories:
required:
----------> Parent Classloader:
StandardClassLoader
available:
delegate: true
repositories:
file:/serverPath/jakarta-tomcat-4.0.4/classes/
file:/serverPath/jakarta-tomcat-4.0.4/lib/jasper-runtime.jar
file:/serverPath/jakarta-tomcat-4.0.4/lib/jasper-compiler.jar
file:/serverPath/jakarta-tomcat-4.0.4/lib/naming-factory.jar
required:
----------> Parent Classloader:
StandardClassLoader
available:
Extension[javax.mail, implementationVendor=Sun Microsystems, Inc.,
implementationVendorId=com
.sun, implementationVersion=1.2, specificationVendor=Sun Microsystems,
Inc., specificationVersion
=1.2]
delegate: true
repositories:
file:/serverPath/jakarta-tomcat-4.0.4/common/classes/
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/naming-common.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/servlet.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/naming-resources.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/jdbc2_0-stdext.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/activation.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/jta-spec1_0_1.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/xerces.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/tyrex-0.9.7.0.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/mail.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/jndi.jar
file:/serverPath/jakarta-tomcat-4.0.4/common/lib/cos.jar
required:
----------> Parent Classloader:
sun.misc.Launcher$AppClassLoader@3f52a5
---------------------------------
just after that I try a Class.forName("MyClass");
but I get a ClassNotFound exception.
Is that normal that I don't see listed the webapps/myApp/WEB-INF/lib in
the repositories above?
In the ClassCast issue, both classes return the same loader.
Thanks,
Thierry
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