... suddenly not deploying

i've changed no code but i'm getting exceptions stack traces in the
logs.

if anyone could explain this to me i'd be very grateful ...




2002-03-19 15:14:50 StandardContext[/messagelets]: Servlet /messagelets
threw load() exception
javax.servlet.ServletException: Wrapper cannot find servlet class
org.apache.catalina.servlets.DefaultServlet or a class it depends on
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:872)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:809)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.j
ava:3272)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3393
)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.ja
va:821)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:486)
        at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeploy
er.java:278)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:680)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:394)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:319)
        at
org.apache.catalina.startup.HostConfig.run(HostConfig.java:688)
        at java.lang.Thread.run(Thread.java:484)
----- Root Cause -----
java.lang.ClassNotFoundException:
org.apache.catalina.servlets.DefaultServlet
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:866)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:809)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.j
ava:3272)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3393
)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.ja
va:821)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:486)
        at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeploy
er.java:278)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:680)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:394)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:319)
        at
org.apache.catalina.startup.HostConfig.run(HostConfig.java:688)
        at java.lang.Thread.run(Thread.java:484)

2002-03-19 15:14:50 StandardWrapper[/messagelets:invoker]: Loading
container servlet invoker
2002-03-19 15:14:50 StandardWrapper[/messagelets:invoker]: Marking
servlet invoker as unavailable
2002-03-19 15:14:50 StandardContext[/messagelets]: Servlet /messagelets
threw load() exception
javax.servlet.ServletException: Wrapper cannot find servlet class
org.apache.catalina.servlets.InvokerServlet or a class it depends on
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:872)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:809)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.j
ava:3272)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3393
)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.ja
va:821)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:486)
        at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeploy
er.java:278)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:680)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:394)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:319)
        at
org.apache.catalina.startup.HostConfig.run(HostConfig.java:688)
        at java.lang.Thread.run(Thread.java:484)
----- Root Cause -----
java.lang.ClassNotFoundException:
org.apache.catalina.servlets.InvokerServlet
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:866)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:809)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.j
ava:3272)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3393
)
        at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.ja
va:821)
        at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
        at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:486)
        at
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeploy
er.java:278)
        at
org.apache.catalina.core.StandardHost.install(StandardHost.java:680)
        at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:394)
        at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:319)
        at
org.apache.catalina.startup.HostConfig.run(HostConfig.java:688)
        at java.lang.Thread.run(Thread.java:484)


i'm using the Java Web Services Developer Pack EA1 downloaded from Sun

thankyou
paul

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