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Posted to user@turbine.apache.org by Daniel <da...@yorku.ca> on 2003/12/15 22:14:03 UTC

double initialization

Hi,

For the record, in case anyone else runs into the "double initialization"
error... (this was with Turbine 2.3)  This one was a pain to track. :)

I have a "global" pull tool that made use of some classes (from SOAP) and
forgot to put the soap lib in WEB-INF/lib and so when I tried accessing
my app which used the tool, I would get the "double initialization" error,
all because of a "NoClassDefFoundError" that Turbine seems to not show
properly.  If I change the tool to be of "request" scope, then the proper
error message is shown and you won't get the "double init" error.

Here's an example stack trace when the tool was set as "request":

<snipped>
2003-12-15 15:55:49,919 [Ajp13Processor[8009][4]] DEBUG
ca.yorku.devteam.webapps.coursecode.tools.DefaultTool -  >> Defa
ultTool.DefaultTool(): CONSTRUCTOR
2003-12-15 15:55:49,950 [Ajp13Processor[8009][4]] ERROR
org.apache.turbine.Turbine - org/apache/soap/SOAPException
java.lang.NoClassDefFoundError: org/apache/soap/SOAPException
        at
ca.yorku.devteam.webapps.coursecode.tools.DefaultTool.<init>(Unknown
Source)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
<snipped>


-----------

And here's an example stack trace when the tool was set as "global":

<snipped>
2003-12-15 16:05:28,919 [main] DEBUG
ca.yorku.devteam.webapps.coursecode.tools.DefaultTool -
DefaultTool: CONSTRUCTOR
2003-12-15 16:05:34,887 [Ajp13Processor[8009][4]] INFO
org.apache.turbine.Turbine - Double initialization of Turbine was attempted!
2003-12-15 16:05:34,903 [Ajp13Processor[8009][4]] ERROR
org.apache.turbine.Turbine - Turbine.handleException:
java.lang.NullPointerException
        at org.apache.turbine.Turbine.doGet(Turbine.java:692)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:475)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:458)
        at
org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:551)
        at java.lang.Thread.run(Thread.java:534)
2003-12-15 16:05:34,919 [Ajp13Processor[8009][4]] ERROR
org.apache.turbine.Turbine -
java.lang.NullPointerException
        at org.apache.turbine.Turbine.handleException(Turbine.java:991)
        at org.apache.turbine.Turbine.doGet(Turbine.java:867)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:475)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:458)
        at
org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:551)
        at java.lang.Thread.run(Thread.java:534)
<snipped>

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