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I am writing an web application and try to deploy it in tomcat with eclipse. But everytime, if I try to start the server in eclipse I get an Error.

Schwerwiegend: Exception starting filter app
java.lang.ClassNotFoundException: org.apache.tapestry5.TapestryFilter
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1305)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1157)
    at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:520)
    at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:501)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:120)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4565)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5180)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1399)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

If I deploy the war file manual to tomcat it works without problems. The war file has the necessary jars in the lib folder.

Can some give me a solution for this, please?

Hasan Demirbilek
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  • Are you using the tomcat-eclipse plugin? – Martin Baumgartner Feb 23 '15 at 11:45
  • No, I never use such a plugin. This is not my first web application. The error appears suddenly. – Hasan Demirbilek Feb 23 '15 at 11:55
  • did u try to remove the server from eclipse and re-configure it? – OhadR Feb 23 '15 at 12:17
  • Yes, I did it 5 times. But nothing. There isn't even a war file in the tomcat webapps directory, if i start it in eclipse. – Hasan Demirbilek Feb 23 '15 at 12:20
  • The lack of a .war isn't the issue. Where is the org.apache.tapestry5.TapestryFilter class? Does Eclipse know to deploy it? – nitind Feb 23 '15 at 12:45
  • The integrated Software in eclipse maven creates the package and deploy it in the target folder as a war file. This war file has all libraries(I checked it). But he doesn't deploy it to the tomcat webapps folder. I can deploy the war myself and start tomcat with startup.bat (works) but this is very uncomfortable :( – Hasan Demirbilek Feb 23 '15 at 12:49

1 Answers1

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Solve it with Right click on Project properties -> Deployment Assembly -> Add (button) -> Java Build Path Entries (select) -> Maven dependencies (select and click on finish)

Jars not copied to Tomcat's lib folder

Hasan Demirbilek
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