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Apache Tomcat General discussion of the Apache Tomcat servlet container. For discussions specific to the Professional Apache Tomcat book, please see the book discussion forum for that book.
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Old August 14th, 2005, 12:37 AM
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Default Please help!! Tomcat 5.0 restart failure

My server is running Tomcat 5.0 and running a version of java j2sdk1.4.2_05. I just tried to restart Tomcat but failed and got the following standout output:

Aug 13, 2005 11:30:33 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Aug 13, 2005 11:30:33 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 4141 ms
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java: 39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorIm pl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootst rap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:425)
Caused by: java.lang.NoClassDefFoundError: javax/mail/Session
at org.apache.naming.factory.MailSessionFactory$1.run (MailSessionFactory.java :116)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.naming.factory.MailSessionFactory.getOb jectInstance(MailSession Factory.java:100)
at org.apache.naming.factory.ResourceFactory.getObjec tInstance(ResourceFactor y.java:129)
at javax.naming.spi.NamingManager.getObjectInstance(N amingManager.java:301)
at org.apache.naming.NamingContext.lookup(NamingConte xt.java:791)
at org.apache.naming.NamingContext.lookup(NamingConte xt.java:151)
at org.apache.catalina.mbeans.GlobalResourcesLifecycl eListener.createMBeans(G lobalResourcesLifecycleListener.java:155)
at org.apache.catalina.mbeans.GlobalResourcesLifecycl eListener.createMBeans(G lobalResourcesLifecycleListener.java:125)
at org.apache.catalina.mbeans.GlobalResourcesLifecycl eListener.lifecycleEvent (GlobalResourcesLifecycleListener.java:97)
at org.apache.catalina.util.LifecycleSupport.fireLife cycleEvent(LifecycleSupp ort.java:119)
at org.apache.catalina.core.StandardServer.start(Stan dardServer.java:2306)
at org.apache.catalina.startup.Catalina.start(Catalin a.java:556)
... 6 more

The case is that I start Tomcat through Services and it quit after about 10 seconds. Actually, everything works fine before but can't figure out whey the Tomcat failed to restart(even after serveral server reboot). I didn't make any change any change web.xml but just modify some java code of my web application. From the standard output above, it said the exception is caused by no class def was found. Do you have any idea on this? Please advise. Thanks.
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Old August 24th, 2005, 05:12 AM
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I'm not really an expert on this but seeing as you've had no other replies.

the root cause seems to be the java.lang.NoClassDefFoundError: javax/mail/Session

which implies that either the mail.jar file is missing or that it is corrupt.

the javax.mail and servlet classes are not part of the standard j2sdk 1.4.2 and come as libraries with tomcat and java 2 enterprise edition. If you have redirected your entire class directory to look at the sdk that may be why

tomcat needs the files in $catalina_home/common/lib/

mine contains:


although to be fair I am running tomcat 4.1.24 so I'm unclear on the differences

that's all I can suggest really. i hope it gives you some lines of enquiry

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