I stand corrected Thanks:) --- Larry Isaacs <[EMAIL PROTECTED]> wrote: > To set the record straight, the servlet 2.3 spec did > add > some new "listeners". However, > HttpSessionBindingListener > wasn't one of them. It was already present in > servlet 2.2. > You will find it in Tomcat 3.x's servlet.jar. > > Cheers, > Larry > > > -----Original Message----- > > From: Carl Trusiak [mailto:[EMAIL PROTECTED]] > > > Sent: Tuesday, February 04, 2003 6:35 PM > > To: Tomcat Users List > > Subject: RE: Tomcat 3.3.1 > HttpSessionBindingListener not found > > > > > > HttpSessionBindingListener was introduced with > Servlet > > 2.3. Tomcat 3.3 is based on Servlet 2.2. The > > servlet.jar you added into your classpath must be > for > > 2.3. I don't think you can be sure of any > behavior > > with this configuration. If you want to use > > HttpSessionBindingListener you should upgrade to > > Tomcat 4.x > > > > > > --- Filip Hanik <[EMAIL PROTECTED]> wrote: > > > also, when you load the stuff, also try > > > > > > > > > Thread.currentThread().getContextClassloader().loadClass() > > > > > > which might work better than Class.forName() > > > > > > Filip > > > > > > -----Original Message----- > > > From: Larry Isaacs [mailto:[EMAIL PROTECTED]] > > > Sent: Tuesday, February 04, 2003 3:01 PM > > > To: Tomcat Users List > > > Subject: RE: Tomcat 3.3.1 > HttpSessionBindingListener > > > not found > > > > > > > > > This confirms that the problem class is on your > > > CLASSPATH. > > > However, putting servlet.jar on the CLASSPATH is > not > > > a > > > good solution. > > > > > > Now servlet.jar can't see any classes in the > > > "TOMCAT_HOME/lib/common" classloader that it > could > > > previously. You've traded one symptom for > different > > > symptoms which may be more difficult to > diagnose. > > > > > > The correct solution is to find the class on the > > > CLASSPATH that depends on servlet.jar and move > > > it off of the CLASSPATH to > TOMCAT_HOME/lib/common, > > > TOMCAT_HOME/lib/apps, or the webapp's > WEB-INF/lib > > > (assuming the class is in a jar). Which > directory > > > is > > > best depends on the nature of the class. I > would > > > recommend trying WEB-INF/lib first. This should > be > > > doable since the webapp is working on other > servers. > > > > > > Unfortunately, I know of no simple way to find > the > > > offending class, other than trial and error. > > > > > > Larry > > > > > > > -----Original Message----- > > > > From: Daniel Lemberg > [mailto:[EMAIL PROTECTED]] > > > > Sent: Tuesday, February 04, 2003 4:41 PM > > > > To: 'Tomcat Users List' > > > > Subject: RE: Tomcat 3.3.1 > > > HttpSessionBindingListener not found > > > > > > > > > > > > Yep, adding servlet.jar to the classpath did > the > > > trick! Thanks! > > > > > > > > -----Original Message----- > > > > From: Larry Isaacs > [mailto:[EMAIL PROTECTED]] > > > > Sent: Tuesday, February 04, 2003 3:14 PM > > > > To: Tomcat Users List > > > > Subject: RE: Tomcat 3.3.1 > > > HttpSessionBindingListener not found > > > > > > > > > > > > This means that the class that Class.ForName() > is > > > trying > > > > to load has a dependency chain that includes a > > > class > > > > that has a dependency on > > > HttpSessionBindingListener, i.e. > > > > servlet.jar. > > > > > > > > That class with the servlet.jar dependency is > > > being found > > > > in a classloader that is below (i.e. a > parent,) of > > > the > > > > "TOMCAT_HOME/lib/common" classloader that > contains > > > > servlet.jar. Thus it can't see servlet.jar > > > classes. > > > > > > > > This class is likely to be in the CLASSPATH or > > > extension > > > > directory. If you haven't messed with the > > > CLASSPATH, then > > > > check the extensions directory. It is > probably > > > likely > > > > that this class is a duplicate of one that is > > > located > > > > in the proper location. The systems that work > > > don't > > > > have this duplicate in the wrong location. > > > > > > > > HTH. > > > > > > > > Cheers, > > > > Larry > > > > > > > > > > > > > -----Original Message----- > > > > > From: Daniel Lemberg > [mailto:[EMAIL PROTECTED]] > > > > > Sent: Tuesday, February 04, 2003 2:45 PM > > > > > To: '[EMAIL PROTECTED]' > > > > > Subject: Tomcat 3.3.1 > HttpSessionBindingListener > > > not found > > > > > > > > > > > > > > > Hey, I'm running into an odd problem on > Tomcat > > > 3.3.1 on Sun, > > > > > and am hoping > > > > > somone could help shed some light on the > > > problem. > > > > > > > > > > I have a few classes in a JAR file that > > > implement > > > > > HttpSessionBindingListener. > > > > > > > > > > In my test environment on my PC (Tomcat > 3.3.1a > > > for Windows), > > > > > the classes > > > > > work fine. But on one of our customer's > server > > > (which might > > > > > be configured > > > > > wrong), the classes throw: > > > > > > > > > > java.lang.NoClassDefFoundError: > > > > > > javax/servlet/http/HttpSessionBindingListener > > > > > > > > > > whenever anything tries to load them (which > we > > > do via > > > > > Class.ForName()). > > > > > > > > > > Note that we have some 40 other customers > that > > > don't have > > > > > this problem, but > > > > > none of them that I know of are using > Tomcat. > > > > > > > > > > Does anyone have any idea how this could > happen? > > > How could > > > > > Tomcat not know > > > > > what a HttpSessionBindingListener is? I'm > about > === message truncated ===
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