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Struts & Hibernate
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| | | Help with Creating my own Realm extending RealmBase, ClassNotFoundException | Help with Creating my own Realm extending RealmBase, ClassNotFoundException 2006-11-15 - By Marcus Williford
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Send attempt #2.hmmm
On 11/14/06, Marcus Williford <mwilliford@(protected)> wrote:
>
> I have attempted to create my own Realm, as I need to do authentication
> via a custom set of rules. I have attempted several things ( hours of
> attempting this with no luck), and can't seem to get class loaded.
>
> Tomcat5.5.20
> Elcipse 3.2
>
> 1. I've put something like this in my server.xml
> <Realm className="com.devmonkey.agent.TestRealm"/> I've also tried
> className="TestRealm", etc....
>
> 2. I've compiled TestRealm into a jar, along with a
> mbeans-descriptors.xml file. Placed this into the
> CATALINA_HOME/server/lib as a .jar file. I have tried every angle on the
> name, placement. I've put the class directly in the
> CATALINA_HOME/server/classes. I've deleted the .class files on my
> webapp/classes directory to make sure there is only a single copy.
>
> 3. TestRealm was extended from UserDatabaseRealm as a test "public class
> TestRealm extends UserDatabaseRealm"
>
> 4. I also attempted to extend RealmBase, override the correct classes,
> etc...
>
> 5. I get the following, no matter what I do!
>
> Nov 14, 2006 2:56:13 AM org.apache.tomcat.util.digester.Digester 
> startElement
> SEVERE: Begin event threw exception
> java.lang.ClassNotFoundException : com.devmonkey.agent.TestRealm
> at java.net.URLClassLoader $1.run(Unknown Source)
> at java.security.AccessController (Native Method)
> at java.net.URLClassLoader (Unknown Source)
> at java.lang.ClassLoader (Unknown Source)
> at java.lang.ClassLoader (Unknown Source)
> at org.apache.tomcat.util.digester.ObjectCreateRule (
> ObjectCreateRule.java:204)
> at org.apache.tomcat.util.digester.Rule ( Rule.java :152)
> at org.apache.tomcat.util.digester.Digester (Digester.java
> :1275)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser
.emptyElement(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanStartElement(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDispatcher.dispatch(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanDocument(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XMLParser (Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown Source)
> at org.apache.tomcat.util.digester.Digester (Digester.java:1561)
> at org.apache.catalina.startup.Catalina (Catalina.java:489)
> at org.apache.catalina.startup.Catalina (Catalina.java :523)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method (Unknown Source)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:266)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:431)
> Nov 14, 2006 2:56:13 AM org.apache.catalina.startup.Catalina load
> WARNING: Catalina.start using conf/server.xml:
> java.lang.ClassNotFoundException : com.devmonkey.agent.TestRealm
> at org.apache.tomcat.util.digester.Digester (
> Digester.java:2725)
> at org.apache.tomcat.util.digester.Digester (
> Digester.java:2751)
> at org.apache.tomcat.util.digester.Digester (Digester.java
> :1278)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser
.emptyElement(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanStartElement(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanDocument(Unknown Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XMLParser (Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown
> Source)
> at org.apache.tomcat.util.digester.Digester (Digester.java:1561)
> at org.apache.catalina.startup.Catalina (Catalina.java:489)
> at org.apache.catalina.startup.Catalina (Catalina.java:523)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method (Unknown Source)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:266)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:431)
> Nov 14, 2006 2:56:13 AM org.apache.tomcat.util.digester.DigesterstartElement
> SEVERE: Begin event threw exception
> java.lang.ClassNotFoundException : com.devmonkey.agent.TestRealm
> at java.net.URLClassLoader $1.run (Unknown Source)
> at java.security.AccessController (Native Method)
> at java.net.URLClassLoader (Unknown Source)
> at java.lang.ClassLoader (Unknown Source)
> at java.lang.ClassLoader (Unknown Source)
> at org.apache.tomcat.util.digester.ObjectCreateRule (
> ObjectCreateRule.java:204)
> at org.apache.tomcat.util.digester.Rule (Rule.java:152)
> at org.apache.tomcat.util.digester.Digester (
> Digester.java:1275)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser
.emptyElement(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanStartElement(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDispatcher.dispatch(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanDocument(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XMLParser (Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown Source)
> at org.apache.tomcat.util.digester.Digester (Digester.java:1561)
> at org.apache.catalina.startup.Catalina (Catalina.java:489)
> at org.apache.catalina.startup.Catalina (Catalina.java :543)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method (Unknown Source)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:294)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:432)
> Nov 14, 2006 2:56:13 AM org.apache.catalina.startup.Catalina load
> WARNING: Catalina.start using conf/server.xml:
> java.lang.ClassNotFoundException : com.devmonkey.agent.TestRealm
> at org.apache.tomcat.util.digester.Digester (
> Digester.java:2725)
> at org.apache.tomcat.util.digester.Digester (
> Digester.java:2751)
> at org.apache.tomcat.util.digester.Digester (Digester.java
> :1278)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser
.emptyElement(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanStartElement(Unknown Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl
.scanDocument(Unknown Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XML11Configuration
(Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.XMLParser (Unknown
> Source)
> at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser
(Unknown
> Source)
> at org.apache.tomcat.util.digester.Digester (Digester.java:1561)
> at org.apache.catalina.startup.Catalina (Catalina.java:489)
> at org.apache.catalina.startup.Catalina (Catalina.java:543)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method (Unknown Source)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:294)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:432)
> Nov 14, 2006 2:56:13 AM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 0 ms
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method (Unknown Source)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:294)
> at org.apache.catalina.startup.Bootstrap (Bootstrap.java:432)
> Caused by: java.lang.NullPointerException
> at org.apache.catalina.startup.Catalina (Catalina.java:615)
> at org.apache.catalina.startup.Catalina (Catalina.java:575)
> ... 6 more
>
> 6. I am starting to suspect that
> java.security.AccessController has something to do with it,
> as I don't know if it is in the classpath for tomcat, but I'm not sure how I
> can troubleshoot this further.
>
> Please assist!
>
> mw
>
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