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Struts & Hibernate
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| | | How to add an external package in my web app? | How to add an external package in my web app? 2003-06-06 - By Jose Euclides da Silva Junior - DATAPREVRJ
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> an external package in my web app?
>
> Hi gurus,
> i guess it is a good question. I added an external package (
> org.apache.commons ... ) into my project since my servlets need it to run.
>
> My project was developed with JDeveloper and then, i added a command line
> like "package org.apache.commons... " at my servlet "BancoServlet" to
> allow package's classes access. It runned fine, but whenever i put my
> application in TomCat environment, inside GUIA directory, i get the
> following error. So, first of all, what this message means and then, what
> should i do to fix it?
> Thanks again in advance,
> Euclides.
>
> HTTP Status 500 -
>
> type Exception report
> message
> description The server encountered an internal error () that prevented it
> from fulfilling this request.
> exception
>
>
> javax.servlet.ServletException  : Error allocating a servlet instance
> at
> org.apache.catalina.core.StandardWrapper (StandardWrapper.java:670
> )
> at
> org.apache.catalina.core.StandardWrapperValve (StandardWrapperValve.
> java:214)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContextValve (StandardContextValve.
> java:191)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContext (StandardContext.java:2415)
> at
> org.apache.catalina.core.StandardHostValve (StandardHostValve.java:1
> 80)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValv
> e.java:170)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.ErrorReportValve (ErrorReportValve.java:1
> 72)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardEngineValve (StandardEngineValve.ja
> va:174)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.coyote.tomcat4.CoyoteAdapter (CoyoteAdapter.java:223)
> at
> org.apache.coyote.http11.Http11Processor (Http11Processor.java:432)
> at
> org.apache.coyote.http11.Http11Protocol $Http11ConnectionHandler.processCon
> nection(Http11Protocol.java:386)
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
> at
> org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.j
> ava:530)
> at java.lang.Thread (Thread.java:536)
> root cause
> java.lang.NoClassDefFoundError : BancoServlet (wrong name:
> org/apache/commons/dbcp/jdbc2pool/BancoServlet)
> at java.lang.ClassLoader (Native Method)
> at java.lang.ClassLoader (ClassLoader.java:502)
> at
> java.security.SecureClassLoader (SecureClassLoader.java:123)
> at
> org.apache.catalina.loader.WebappClassLoader (WebappClass
> Loader.java:1664)
> at
> org.apache.catalina.loader.WebappClassLoader (WebappClassLoader.j
> ava:953)
> at
> org.apache.catalina.loader.WebappClassLoader (WebappClassLoader.j
> ava:1394)
> at
> org.apache.catalina.loader.WebappClassLoader (WebappClassLoader.j
> ava:1274)
> at
> org.apache.catalina.core.StandardWrapper (StandardWrapper.java:
> 884)
> at
> org.apache.catalina.core.StandardWrapper (StandardWrapper.java:666
> )
> at
> org.apache.catalina.core.StandardWrapperValve (StandardWrapperValve.
> java:214)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContextValve (StandardContextValve.
> java:191)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContext (StandardContext.java:2415)
> at
> org.apache.catalina.core.StandardHostValve (StandardHostValve.java:1
> 80)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValv
> e.java:170)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.ErrorReportValve (ErrorReportValve.java:1
> 72)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardEngineValve (StandardEngineValve.ja
> va:174)
> at
> org.apache.catalina.core.StandardPipeline $StandardPipelineValveContext.inv
> okeNext(StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline (StandardPipeline.java:480
> )
> at
> org.apache.catalina.core.ContainerBase (ContainerBase.java:995)
> at
> org.apache.coyote.tomcat4.CoyoteAdapter (CoyoteAdapter.java:223)
> at
> org.apache.coyote.http11.Http11Processor (Http11Processor.java:432)
> at
> org.apache.coyote.http11.Http11Protocol $Http11ConnectionHandler.processCon
> nection(Http11Protocol.java:386)
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
> at
> org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.j
> ava:530)
> at java.lang.Thread (Thread.java:536)
>
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