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See Servlet Spec 2.3, section 9.7.2.

 
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Hi,

I'm trying to install a ebXML server (freebXML, an opensourse MSH). there i get the following error.

INFO: Installing web application at context path /msh from URL jar:file:D:\Java\jwsdp-1.3\webapps\msh.war!/
Jun 18, 2004 6:23:15 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(D:\Java\jwsdp-1.3\work\Catalina\localhost\msh\WEB-INF\lib\servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class


I read in newsgroups that this is caused by the servlet.jar in WEB-INF/liba nd need to remove it. Therefore I removed this .jar and start the tomcat again. However problems sits as same and during the startup of the tomcat it coppies a new servlet.jar to WEB-INF/lib folder.

I would be realy gratefull if anybody could help on this.

regards
chami
[originally posted on jforum.net by Anonymous]
 
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Just ignore this warning. It will not interfere on anything.

Rafael
[originally posted on jforum.net by Rafael Steil]
 
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You've probably included e.g. servlet-api.jar in the runtime library (in the .WAR) - you only need it for build time.
[originally posted on jforum.net by Anonymous]
 
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I had the same problem, and removed the servlet-api.jar from my web app (as described by the previous author) and then it worked.
[originally posted on jforum.net by Anonymous]
 
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I am having a similar problem, however this time it is actually causing my context to not load:

...
INFO: validateJarFile(C:\Drive\TeamSite\WEB-INF\lib\j2ee.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
Jan 20, 2005 3:25:53 PM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart
Jan 20, 2005 3:25:53 PM org.apache.catalina.core.StandardContext start
SEVERE: Context startup failed due to previous errors
...

Any ideas here? Does this mean that I have something included in a runtime library that I shouldn't? And if so, how do I remove it?

Many Thanks!
b
[originally posted on jforum.net by Anonymous]
 
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Just delete the j2ee.jar file from WEB-INF/lib

Rafael
[originally posted on jforum.net by Rafael Steil]
 
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Hi everybody!

I have this "Offending class: javax/servlet/Servlet.class" problem too.

I'm working on a Servlet that generates the code-source of an apache Servlet and then compile it. The generated Servlet source-code needs some stuff i have developped in an external libraries that has been compiled with ant.

So this particular .jar files includes my own libraries and the apache libraries in order to work.

I have a .bat file that is executed by my application that conatains the line :
javac -cp lib/my.jar -d classes src/generatedServlet.java.

When I execute this command in the dos prompt shell, everything works well.

But when this command is executed inside the java programm, I have this very annoying offending class error...

Any Ideas ?

PS : I hope I am understandable, my english is poor... By the way if you notice bad mistakes, correct me please, it would be very appreciated!
[originally posted on jforum.net by IndyGroumpf]
 
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Just ignore the warning - it should not prevent your application of working.

Rafael
[originally posted on jforum.net by Rafael Steil]
 
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sadly, it does...

I have the "offending class" error and the generated java class is not compiled
[originally posted on jforum.net by IndyGroumpf]
 
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Well, then remove the jar from WEB-INF/lib, and update your build script to point to the new location.

Rafael
[originally posted on jforum.net by Rafael Steil]
 
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Rafael Steil wrote:Well, then remove the jar from WEB-INF/lib, and update your build script to point to the new location.

Rafael



I've removed the servlet-api.jar from WEB-INF/lib, but the fatal error appears:

log4j:WARN No appenders could be found for logger (org.apache.commons.beanutils.ConvertUtils).
log4j:WARN Please initialize the log4j system properly.
2006-9-6 13:30:35 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Skipped installing application listeners due to previous error(s)
2006-9-6 13:30:35 org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
2006-9-6 13:30:35 org.apache.catalina.core.StandardContext start
SEVERE: Context startup failed due to previous errors

So, I can't access my forum from my web browser at all.
How can I do? Thanks.
[originally posted on jforum.net by DBlue]
 
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THis message not effect to your App. Because tomcat load 2 times servlet.jar so it alert for you know. if u want tomcat not alert this message. just delete servlet.jar in your App or delete in your <tomcat dir>\common\lib
[originally posted on jforum.net by quoctien82]
 
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see
[originally posted on jforum.net by avaj]
 
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I had the same error
--------validateJarFile(D:\Novice\WEB-INF\lib\servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class---------

I didnt have the servlet.jar file in the struts.war folder of webapps in my tomcat server...

Can u please help on this.

Am stuck up with this error for the past one week
[originally posted on jforum.net by nithiyasri]
 
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I had the same error
--------validateJarFile(D:\Novice\WEB-INF\lib\servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class---------

http://www.handandaily.com
[originally posted on jforum.net by kaixin110]
 
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I had the same error



And did you follow the information above to fix the problem? E.g. delete the jar from the WEB-INF\lib directory (and any war files that may be involved...)
[originally posted on jforum.net by monroe]
 
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I am also getting the same error..

Dec 12, 2008 2:41:54 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(D:\Tomcat 5.5\webapps\StrtSprngHiber\WEB-INF\lib\j2ee.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
log4j:WARN No appenders could be found for logger (org.apache.commons.digester.Digester).
log4j:WARN Please initialize the log4j system properly.

any help please..
[originally posted on jforum.net by ven512]
 
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Short answer: remove the j2ee.jar file from your webapps' WEB-INF/lib directory.

Long answer:

The Spec being referred to says that the Servlet Container (E.g. Tomcat) will supply the implementation class of the J2EE spec. The j2ee.jar in your WEB-INF/lib directory is trying to supply the same info. Having application specific implementations is a stability and security problem that is disallowed by the spec/Tomcat.

FWIW, generally, you will need the j2ee.jar for development builds but not for the webapp/war being deployed. I tend to set up my development environments with those kinds of jars in a different directory that is on the build path.
[originally posted on jforum.net by monroe]
 
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