java.lang.ClassNotFoundException

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Ananda

unread,
Sep 14, 2008, 11:03:18 PM9/14/08
to Google Web Toolkit
Hi All,

i am getting the below error when i try to execute the code.
can you please help me in this regard.since iam new to i need help
from you to resolve this error.
please help me

Root cause.********

org.apache.catalina.loader.StandardClassLoader@d1e604
com.emr.pt01.doctormaster.server.DoctorServiceImpl
java.lang.ClassNotFoundException:
com.emr.pt01.doctormaster.server.DoctorServiceImpl
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:
1387)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:
1233)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:
1094)
at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:
808)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
129)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:
191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:
109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:
845)
at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
447)
at java.lang.Thread.run(Thread.java:619)
Sep 15, 2008 12:02:35 AM org.apache.catalina.core.StandardWrapperValve
invoke
SEVERE: Allocate exception for servlet
com.emr.pt01.doctormaster.server.DoctorServiceImpl
javax.servlet.ServletException: Wrapper cannot find servlet class
com.emr.pt01.doctormaster.server.DoctorServiceImpl or a class it
depends on
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:
1102)
at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:
808)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
129)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:
191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:
109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:
845)
at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
447)
at java.lang.Thread.run(Thread.java:619)
Sep 15, 2008 12:04:10 AM org.apache.catalina.core.ApplicationContext
log
INFO: SessionListener: contextDestroyed()
Sep 15, 2008 12:04:10 AM org.apache.catalina.core.ApplicationContext
log
INFO: ContextListener: contextDestroyed()


Regards,
Ananda

Ananda Rao

unread,
Sep 14, 2008, 11:34:59 PM9/14/08
to Google-We...@googlegroups.com
Hi All,

i am getting the below error when i try to execute the code.

can you please help me in this regard.since iam new to java i need help

Amit Dhingra

unread,
Sep 14, 2008, 11:46:09 PM9/14/08
to Google-We...@googlegroups.com
The compiler is not able to search
com.emr.pt01.doctormaster.server.DoctorServiceImpl
Provide proper paths for this class.

Cheers,
Amit Dhingra
--
Warm Regards,
Amit Dhingra

Ananda Rao

unread,
Sep 15, 2008, 12:00:24 AM9/15/08
to Google-We...@googlegroups.com
Amit,

thanks for replying...

the correct path is same as given below. but still i am getting the error.
when i browse to this project( in the browser) first i get is the
error Status code exception.

can you tell me why i am getting this.

thanks in advance
Ananda

walden

unread,
Sep 15, 2008, 9:23:34 AM9/15/08
to Google Web Toolkit
This is not a compile problem. You have not deployed the service
classes to your web container properly.

On Sep 15, 12:00 am, "Ananda Rao" <ananda.hayavadh...@googlemail.com>
wrote:
> >> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja­va:
> >> 1387)
> >>       at
>
> >> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja­va:
> >> 1233)
> >>       at
> >> org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:
> >> 1094)
> >>       at
> >> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:
> >> 808)
> >>       at
>
> >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.j­ava:
> >> 129)
> >>       at
>
> >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.j­ava:
> >> 191)
> >>       at
> >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
> >> 128)
> >>       at
> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
> >> 102)
> >>       at
>
> >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.jav­a:
> >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.j­ava:
> >> 129)
> >>       at
>
> >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.j­ava:
> >> 191)
> >>       at
> >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
> >> 128)
> >>       at
> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
> >> 102)
> >>       at
>
> >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.jav­a:
> >> 109)
> >>       at
> >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
> >> 286)
> >>       at
> >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:
> >> 845)
> >>       at org.apache.coyote.http11.Http11Protocol
> >> $Http11ConnectionHandler.process(Http11Protocol.java:583)
> >>       at
> >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
> >> 447)
> >>       at java.lang.Thread.run(Thread.java:619)
> >> Sep 15, 2008 12:04:10 AM org.apache.catalina.core.ApplicationContext
> >> log
> >> INFO: SessionListener: contextDestroyed()
> >> Sep 15, 2008 12:04:10 AM org.apache.catalina.core.ApplicationContext
> >> log
> >> INFO: ContextListener: contextDestroyed()
>
> >> Regards,
> >> Ananda
>
> > --
> > Warm Regards,
> > Amit Dhingra- Hide quoted text -
>
> - Show quoted text -

Michał Sędzielewski

unread,
Sep 15, 2008, 4:32:32 AM9/15/08
to Google Web Toolkit
Hello there,

make sure you have DoctorServiceImpl.class in your WEB-INF/classes
directory

regards,
MS

On 15 Wrz, 06:00, "Ananda Rao" <ananda.hayavadh...@googlemail.com>
wrote:
> >> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja­va:
> >> 1387)
> >>       at
>
> >> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja­va:
> >> 1233)
> >>       at
> >> org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:
> >> 1094)
> >>       at
> >> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:
> >> 808)
> >>       at
>
> >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.j­ava:
> >> 129)
> >>       at
>
> >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.j­ava:
> >> 191)
> >>       at
> >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
> >> 128)
> >>       at
> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
> >> 102)
> >>       at
>
> >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.jav­a:
> >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.j­ava:
> >> 129)
> >>       at
>
> >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.j­ava:
> >> 191)
> >>       at
> >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
> >> 128)
> >>       at
> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
> >> 102)
> >>       at
>
> >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.jav­a:
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