Hi,
I'm getting the same error. I searched my entire computer for any jar/zip
files containing javax.servlet.ServletContext
and renamed all of them to ".original" so that they wouldn't be read by the
JVM. I did this to all the files except for the file
common/lib/servlet-api.jar
I'm still getting the problem.
I'm using java version 1.4.2_10
The code i'm using used to work under Orion version 1.4.5 (I'm now using
Tomcat 5.5)
The code that eventually throws the exception is basically:
ClassFinder classFinder = new ClassFinder();
classFinder.addFile("/opt/classes/com/canlink/commands/");
Class usrClass = classFinder.findClass("com.canlink.commands.TestClass");
This line is what throws the exception:
Method setCmdLog = usrClass.getMethod("setCmdLog", new Class[]
{Boolean.class});
The stack trace is:
SEVERE: Servlet.service() for servlet RunCmd threw exception
java.lang.NoClassDefFoundError: javax/servlet/ServletContext
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at com.canlink.commands.RunCmd.service(RunCmd.java:240)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:173)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.
java:672)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDis
patcher.java:463)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch
er.java:398)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher
.java:301)
at org.apache.jsp.web.Login_jsp._jspService(Login_jsp.java:67)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:3
22)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126
)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105
)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processC
onnection(Http11BaseProtocol.java:663)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.jav
a:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWo
rkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:684)
at java.lang.Thread.run(Unknown Source)
-----Original Message-----
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: December 6, 2005 6:30 AM
To: Tomcat Users List
Subject: Re: Question concerning java.lang.NoClassDefFoundError:
javax/servlet/ServletContext
See - http://tomcat.apache.org/faq/classnotfound.html
Odds are you have your own servlet-api.jar somewhere in the webapp or system
classpath and that is conflicting with the one in common/lib (installed by
tomcat)
-Tim
John Poley wrote:
Please forgive my intrusion if this is not the proper place to post a
questoon of this sort. I am new to servlets, and am working on my first
deployment- but I am running in to a problem that I can't find a solution
to. I have installed Tomcat 5.5 and am using Eclipse (as well as a tomcat
plugin) to manage my project. A colleague of mine sent me a war file of
out working projected, which I imported to my IDE. I start tomcat, which
seems to load properly, and attempt to run the project on the server- where
I am faced with the following:
javax.servlet.ServletException: Servlet.init() for servlet
RequestTranslator threw exception
root cause
java.lang.NoClassDefFoundError: javax/servlet/ServletContext
java.lang.Class.getDeclaredConstructors0(Native Method)
java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
java.lang.Class.getConstructor0(Unknown Source)
java.lang.Class.getConstructor(Unknown Source)
freemarker.template.Configuration.setServletContextForTemplateLoading(Config
uration.java:331)
verkoopen.boundary.UserInterfaceOutput.<init>(UserInterfaceOutput.java:31)
verkoopen.boundary.RequestTranslator.init(RequestTranslator.java:25)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105
)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processC
onnection(Http11BaseProtocol.java:663)
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.jav
a:527)
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWo
rkerThread.java:80)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:684)
java.lang.Thread.run(Unknown Source)
I am using the most recent J2RE 5 and I am certain that Tomcat's
servlet-api.jar is within my application's class path. I am not sure why
the source cannot be found. Any helpin locating my problem would be greatly
appreciated, and I would be happy to prove more information if needed (I'm
not entirely sure what would be helpful). And again, I am sorry if this is
not the place for this kind of question!Happy coding!John
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