Re: Confusing tomcat error - can't find javax.servlet.http.HttpSessionAttributeListener

2012-06-21 Thread Pid
On 20/06/2012 18:57, Cassano, Chris wrote:
 Hi, I'm getting a fatal error when I start tomcat. Now I would think that 
 servlet-api.jar is missing from the tomcat classpath but if I do 
 -verbose:class I can clearly see tomcat using other classes from that jar so 
 I know it's already included:
 
 [Loaded javax.servlet.http.HttpServletRequest from 
 file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%206.0/lib/servlet-api.jar]
 
 
 The exact error I'm getting is:
 
 java.lang.Error: Unresolved compilation problems:
 The import javax.servlet.http.HttpSessionAttributeListener cannot be 
 resolved
 The import javax.servlet.http.HttpSessionBindingEvent cannot be resolved
 HttpSessionAttributeListener cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 
 
 The file that gives this error has import javax.servlet.http.*; at the top so 
 it appears that I've already imported the necessary classes. How can I fix 
 this fatal error? Why does tomcat see javax.servlet.http.HttpServletRequest 
 but not javax.servlet.http.HttpSessionAttributeListener?
 I'm using Tomcat version 6.0 on Windows XP SP3.

6.0.what?

Have you accidentally put the Servlet API jar in your apps WEB-INF/lib?


p



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RE: Confusing tomcat error - can't find javax.servlet.http.HttpSessionAttributeListener

2012-06-21 Thread Cassano, Chris
The Tomcat version number is 6.0.33 and I just checked the WEB-INF/lib folder 
and I don't see servlet-api.jar.  

Thanks

Chris Cassano
Emprise Corporation (http://www.emprisecorporation.com)
(860) 464-8555


-Original Message-
From: Pid [mailto:p...@pidster.com] 
Sent: Thursday, June 21, 2012 7:09 AM
To: Tomcat Users List
Subject: Re: Confusing tomcat error - can't find 
javax.servlet.http.HttpSessionAttributeListener

On 20/06/2012 18:57, Cassano, Chris wrote:
 Hi, I'm getting a fatal error when I start tomcat. Now I would think that 
 servlet-api.jar is missing from the tomcat classpath but if I do 
 -verbose:class I can clearly see tomcat using other classes from that jar so 
 I know it's already included:
 
 [Loaded javax.servlet.http.HttpServletRequest from 
 file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%206.0/lib/servlet-api.jar]
 
 
 The exact error I'm getting is:
 
 java.lang.Error: Unresolved compilation problems:
 The import javax.servlet.http.HttpSessionAttributeListener cannot be 
 resolved
 The import javax.servlet.http.HttpSessionBindingEvent cannot be resolved
 HttpSessionAttributeListener cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 
 
 The file that gives this error has import javax.servlet.http.*; at the top so 
 it appears that I've already imported the necessary classes. How can I fix 
 this fatal error? Why does tomcat see javax.servlet.http.HttpServletRequest 
 but not javax.servlet.http.HttpSessionAttributeListener?
 I'm using Tomcat version 6.0 on Windows XP SP3.

6.0.what?

Have you accidentally put the Servlet API jar in your apps WEB-INF/lib?


p



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Re: Confusing tomcat error - can't find javax.servlet.http.HttpSessionAttributeListener

2012-06-21 Thread Pid
On 21/06/2012 13:17, Cassano, Chris wrote:
 The Tomcat version number is 6.0.33 and I just checked the WEB-INF/lib folder 
 and I don't see servlet-api.jar.  
 
 Thanks
 
 Chris Cassano
 Emprise Corporation (http://www.emprisecorporation.com)
 (860) 464-8555
 
 
 -Original Message-
 From: Pid [mailto:p...@pidster.com] 
 Sent: Thursday, June 21, 2012 7:09 AM
 To: Tomcat Users List
 Subject: Re: Confusing tomcat error - can't find 
 javax.servlet.http.HttpSessionAttributeListener
 
 On 20/06/2012 18:57, Cassano, Chris wrote:
 Hi, I'm getting a fatal error when I start tomcat. Now I would think that 
 servlet-api.jar is missing from the tomcat classpath but if I do 
 -verbose:class I can clearly see tomcat using other classes from that jar so 
 I know it's already included:

 [Loaded javax.servlet.http.HttpServletRequest from 
 file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%206.0/lib/servlet-api.jar]


 The exact error I'm getting is:

 java.lang.Error: Unresolved compilation problems:
 The import javax.servlet.http.HttpSessionAttributeListener cannot be 
 resolved
 The import javax.servlet.http.HttpSessionBindingEvent cannot be resolved
 HttpSessionAttributeListener cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type
 HttpSessionBindingEvent cannot be resolved to a type


 The file that gives this error has import javax.servlet.http.*; at the top 
 so it appears that I've already imported the necessary classes. How can I 
 fix this fatal error? Why does tomcat see 
 javax.servlet.http.HttpServletRequest but not 
 javax.servlet.http.HttpSessionAttributeListener?
 I'm using Tomcat version 6.0 on Windows XP SP3.
 
 6.0.what?
 
 Have you accidentally put the Servlet API jar in your apps WEB-INF/lib?
 
 
 p

Are there any other messages in your log files?

Can you post the full stacktrace please?

In which file is the code?  A Servlet class or a JSP?


p





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Re: Confusing tomcat error - can't find javax.servlet.http.HttpSessionAttributeListener

2012-06-21 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Pid,

On 6/21/12 7:08 AM, Pid wrote:
 On 20/06/2012 18:57, Cassano, Chris wrote:
 Hi, I'm getting a fatal error when I start tomcat. Now I would
 think that servlet-api.jar is missing from the tomcat classpath
 but if I do -verbose:class I can clearly see tomcat using other
 classes from that jar so I know it's already included:
 
 [Loaded javax.servlet.http.HttpServletRequest from
 file:/C:/Program%20Files/Apache%20Software%20Foundation/Tomcat%206.0/lib/servlet-api.jar]



 
The exact error I'm getting is:
 
 java.lang.Error: Unresolved compilation problems: The import
 javax.servlet.http.HttpSessionAttributeListener cannot be
 resolved The import javax.servlet.http.HttpSessionBindingEvent
 cannot be resolved HttpSessionAttributeListener cannot be
 resolved to a type HttpSessionBindingEvent cannot be resolved to
 a type HttpSessionBindingEvent cannot be resolved to a type 
 HttpSessionBindingEvent cannot be resolved to a type 
 HttpSessionBindingEvent cannot be resolved to a type
 
 
 The file that gives this error has import javax.servlet.http.*;
 at the top so it appears that I've already imported the necessary
 classes. How can I fix this fatal error? Why does tomcat see
 javax.servlet.http.HttpServletRequest but not
 javax.servlet.http.HttpSessionAttributeListener? I'm using Tomcat
 version 6.0 on Windows XP SP3.
 
 6.0.what?
 
 Have you accidentally put the Servlet API jar in your apps
 WEB-INF/lib?

Though that seems the most likely situation given the circumstances,
Tomcat isn't supposed to allow the servlet API to be loaded by a
webapp, so in that case it would have been a Tomcat bug.

Odd that it's a java.lang.Error and not something more specific like
NCDFE, etc.

- -chris
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RE: Confusing tomcat error - can't find javax.servlet.http.HttpSessionAttributeListener

2012-06-21 Thread Caldarale, Charles R
 From: Christopher Schultz [mailto:ch...@christopherschultz.net] 
 Subject: Re: Confusing tomcat error - can't find 
 javax.servlet.http.HttpSessionAttributeListener

 Odd that it's a java.lang.Error and not something more specific like
 NCDFE, etc.

Which makes me suspect the message isn't coming out of Tomcat, but rather from 
something buried in the webapp.

 - Chuck


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