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From "Guy Katz" <gk...@allot.com>
Subject captcha comment authentication configuration problem
Date Mon, 31 Jul 2006 10:32:38 GMT
Hi;

I am trying to get the captcha comment authentication to work with no
success.

I un- commented the <action> and <plug-in> elements from the
struts-config file and added my own roller-custom.properties with only
one key
(comment.authenticator.classname=com.octo.captcha.module.roller.JCaptcha
CommentAuthenticator)

 

When opening a single entry page I get a popup stating "there was a
problem retrieving the xml data Internal server error"

Looking at the logs I see a no class def  problem. Probably the captcha
authenticator is trying to load the interface it implements and fails
for some reason.

Did anybody encounter this?

I looked and the comment servlets and the only thing I found that maybe
can impact this is the fact the they use:

            Class clazz = Class.forName(name);

            this.authenticator = (CommentAuthenticator)
clazz.newInstance();

Maybe more correct in a JEE environment to use:

            Class clazz =
Thread,currentThread.getContextClassloader().loadClass(name);

            this.authenticator = (CommentAuthenticator)
clazz.newInstance();

but I am not sure it fixes the problem cause I don't compile the roller
from the sourc so I couldn't fix this.

 

Any ideas?

 

 

here is the stack trace:

Stack trace:

INFO  2006-07-31 10:18:13,561 ReferrerQueueManagerImpl:<init> -
Asynchronous referrer processing = false

ERROR 2006-07-31 10:18:16,374 ApplicationContext:log -
StandardWrapper.Throwable

java.lang.NoClassDefFoundError:
org/roller/presentation/velocity/CommentAuthenticator

            at java.lang.ClassLoader.defineClass1(Native Method)

            at java.lang.ClassLoader.defineClass(ClassLoader.java:620)

            at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)

            at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappCla
ssLoader.java:1812)

            at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader
.java:866)

            at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader
.java:1319)

            at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader
.java:1198)

            at
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

            at java.lang.Class.forName0(Native Method)

            at java.lang.Class.forName(Class.java:164)

            at
org.apache.roller.presentation.servlets.CommentAuthenticatorServlet.init
(CommentAuthenticatorServlet.java:81)

            at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:1105)

            at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:7
57)

            at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:130)

            at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:178)

            at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)

            at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)

            at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:107)

            at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
48)

            at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:86
9)

            at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.proc
essConnection(Http11BaseProtocol.java:664)

            at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
.java:527)

            at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow
erWorkerThread.java:80)

            at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:684)

            at java.lang.Thread.run(Thread.java:595)

ERROR 2006-07-31 10:18:16,436 StandardWrapperValve:invoke - Allocate
exception for servlet CommentAuthenticatorServlet

java.lang.NoClassDefFoundError:
org/roller/presentation/velocity/CommentAuthenticator

            at java.lang.ClassLoader.defineClass1(Native Method)

            at java.lang.ClassLoader.defineClass(ClassLoader.java:620)

            at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)

            at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappCla
ssLoader.java:1812)

            at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader
.java:866)

            at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader
.java:1319)

            at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader
.java:1198)

            at
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

            at java.lang.Class.forName0(Native Method)

            at java.lang.Class.forName(Class.java:164)

            at
org.apache.roller.presentation.servlets.CommentAuthenticatorServlet.init
(CommentAuthenticatorServlet.java:81)

            at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:1105)

            at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:7
57)

            at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:130)

            at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:178)

            at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:126)

            at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)

            at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:107)

            at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
48)

            at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:86
9)

            at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.proc
essConnection(Http11BaseProtocol.java:664)

            at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
.java:527)

            at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow
erWorkerThread.java:80)

            at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:684)

            at java.lang.Thread.run(Thread.java:595)

 

 

Guy Katz
NetXplorer Server Team Leader
Allot Communications * a mind for networks(tm)
Tel:  972 9 7619288
Fax: 972 9 7443626
gkatz@allot.com
www.allot.com <http://www.allot.com/> 

 

 


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