Hi David,
To answer your questions:
What's in your webapp's WEB-INF/lib directory,
My TOMCAT_HOME\webapps\myApp\WEB-INF\lib contains:
antlr.jar commons-beanutils.jar
commons-collections.jar
commons-digester.jar commons-fileupload.jar commons-lang.jar
commons-logging.jar commons-validator.jar jakarta-oro.jar
jstl.jar log4j-1.2.7.jar standard.jar
struts.jar
and can you confirm which java tomcat is running on?
C:\Program Files\Java\jre1.6.0_03\bin\client\jvm.dll
post the full stack including root causes in error messages.
Sorry, can't help you here. I was overzealous yesterday, in cleaning out my
Tomcat\webapps directory :-[. To recreate the error environment I copied a
few directories of the book [1] I'm studying from back to webapps, but now
it works as it should do. (???)
However, I did saw some other strange behavior yesterday. After copying
directories of the books sources to Tomcat's webapps directory (and
restarting the app-server) I got the display as it should be, but after a
refresh of the page I got an error message. And whatever I do, that error
persists. At the moment I get an Nullpointer exception (and I know that is a
beginners error, an uninstantiated object). So I have to find the cause of
that error. Yesterday, on the other hand, I had a primary page. So I'm
afraid I must have magical, bad weather, or any other bad influences,
playing havoc with my examples. Do you know any exorcist I can use?
And finally:
s far as the last stack you posted (and this is just a guess), is
app04a.form.OrderForm a true JavaBean with a no argument constructor?
OrderForm is a no argument constructor
Abel
[1] Struts Design and Programming, A tutorial by Budi Kurniawan
David Smith-2 wrote:
>
> Cool... I see your tomcat lib directory is back to the default
> distribution. What's in your webapp's WEB-INF/lib directory, and can
> you confirm which java tomcat is running on? I would like to be sure
> it's not J2EE. It should be the Java 1.6.0_03 you listed in your
> original post. Lastly, post the full stack including root causes in
> error messages. The two stacks you posted below look like they had
> additional information in a root cause.
>
> As far as the last stack you posted (and this is just a guess), is
> app04a.form.OrderForm a true JavaBean with a no argument constructor?
>
> --David
>
> AbelMacAdam wrote:
>> Hi David,
>>
>> I tried what you suggested (quote: "Just out of curiousity, are you
>> trying
>> to run your webapp from within
>> Eclipse? If so, try it without Eclipse -- deploy it to your installed
>> tomcat and see if the error continues. If the error goes away, it may be
>> something funky with your Eclipse -- missing .jar file or something."):
>> try
>> the app in Tomcat without Eclipse (yes, you where right in your
>> assumption
>> that I used Eclipse as startingpoint of Tomcat).
>>
>> At first I got the following error:
>> <error>
>> description The server encountered an internal error () that prevented it
>> from fulfilling this request.
>>
>> exception
>>
>> org.apache.jasper.JasperException: An exception occurred processing JSP
>> page
>> /jsp/displayAddOrderForm.jsp at line 8
>>
>> 5: </head>
>> 6: <body>
>> 7: <html:errors/>
>> 8: <html:form action="/saveOrder">
>> 9: <table>
>> 10: <tr>
>> 11: <td>Product:</td>
>> </error>
>>
>> I looked in my TOMCAT_HOME/lib directory, and found the following jars
>> with
>> the date stamp of last Monday:
>> j2ee.jar
>> j2ee-svc.jar
>> javaee.jar
>> I removed these files and got the following error (not the same as the
>> root
>> cause of this thread):
>> <error>
>> type Exception report
>>
>> message
>>
>> description The server encountered an internal error () that prevented it
>> from fulfilling this request.
>>
>> exception
>>
>> org.apache.jasper.JasperException: javax.servlet.ServletException:
>> javax.servlet.jsp.JspException: Exception creating bean of class
>> app04a.form.OrderForm: {1}
>>
>> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:541)
>>
>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:417)
>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
>> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
>> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>>
>> org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
>>
>> org.apache.struts.action.RequestProcessor.internalModuleRelativeForward(RequestProcessor.java:994)
>>
>> org.apache.struts.action.RequestProcessor.processForward(RequestProcessor.java:553)
>>
>> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:211)
>> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
>> org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
>> javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
>> javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>> </error>
>>
>> Clearly, my Tomcat (and Eclipse) have issues in how I configure my
>> system.
>>
>> Abel
>>
>> FWIW:
>> Jar files in TOMCAT_HOME\lib:
>> annotations-api.jar catalina-ant.jar catalina-ha.jar
>> catalina-tribes.jar
>> catalina.jar el-api.jar jasper-el.jar
>> jasper-jdt.jar
>> jasper.jar jsp-api.jar servlet-api.jar
>> tomcat-coyote.jar
>> tomcat-dbcp.jar tomcat-i18n-es.jar tomcat-i18n-fr.jar
>> tomcat-i18n-ja.jar
>>
>>
>>
>> David Smith-2 wrote:
>>
>>> Sorry Martin, but bad advice. In recent versions of tomcat, jsp-api is
>>> provided in the /lib directory of tomcat. If you have your own in your
>>> webapp (or in the jave environment for that manner), please remove it as
>>> it will cause many a wonderous error.
>>>
>>> Also tomcat does not work with j2ee as j2ee comes with it's own copy of
>>> a servlet container and the two will clash with each other. Replace
>>> your Java EE environment with the java sdk or java jre environments to
>>> use tomcat.
>>>
>>> The bottom line is jars in tomcat can only exist once along any
>>> classloader branch. If it's in the JVM, it can be in tomcat's /lib or
>>> the webapp's /WEB-INF/lib directories. If it's in tomcat's /lib, it
>>> can't exist in the webapp.
>>>
>>> Come back with a complete stack trace including any root causes of your
>>> problem once those are fixed.
>>>
>>> --David
>>>
>>> Martin Gainty wrote:
>>>
>>>> Abel
>>>> put jsp-api.jar in /WEB-INF/lib
>>>> M-
>>>> ----- Original Message -----
>>>> From: "AbelMacAdam" <[EMAIL PROTECTED]>
>>>> To: <[email protected]>
>>>> Sent: Monday, December 24, 2007 6:58 AM
>>>> Subject: NoClassDefFoundError: TagExtraInfo missing?
>>>>
>>>>
>>>>
>>>>
>>>>> Hi,
>>>>>
>>>>> I'm trying to bootstrap my knowledge on Struts. As I tried an example
>>>>> I
>>>>>
>>>>>
>>>> got
>>>>
>>>>
>>>>> the following error:
>>>>> java.lang.NoClassDefFoundError: javax/servlet/jsp/tagext/TagExtraInfo
>>>>>
>>>>> Searching on this error I got the impression I needed j2ee.jar. I
>>>>>
>>>>>
>>>> downloaded
>>>>
>>>>
>>>>> and installed the Java EE 5 SDK from Sun. In Eclipse (Europa) I
>>>>> I added a 'J2EE' library to my Libraries in my 'Java Build Path'. This
>>>>> library contains the following jar files:
>>>>> javaee.jar (and that jar file includes a
>>>>> javax/servlet/jsp/tagext/TagExtraInfo.class!)
>>>>> j2ee.jar
>>>>> j2ee-svc.jar
>>>>>
>>>>> After rebooting Tomcat (6.0) in Eclipse I still got that error. What
>>>>> do
>>>>> I
>>>>> need to do the remove this error and continue with the example?
>>>>>
>>>>> TIA,
>>>>> Abel
>>>>>
>>>>> FWIW - Environment:
>>>>> Apache 2.2.6
>>>>> Java 1.6.0_03
>>>>> Java EE 5
>>>>> Struts 1.3.8
>>>>> Tomcat 6.0
>>>>> Windows XP
>>>>> --
>>>>> View this message in context:
>>>>>
>>>>>
>>>> http://www.nabble.com/NoClassDefFoundError%3A-TagExtraInfo-missing--tp144870
>>>> 34p14487034.html
>>>>
>>>>
>>>>> Sent from the Tomcat - User mailing list archive at Nabble.com.
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
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>>>
>>>
>>>
>>>
>>
>>
>
>
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