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Hello all, Using jboss-3.0.0_tomcat-4.0.3, I am
trying to access a Session bean called Registration from within a servlet, both
of which are part of an application called pc, deployed as pc.ear. I can access the bean with no problem
from a stand-alone client, with the following code: Context jndiContext =
getInitialContext(); Object ref =
jndiContext.lookup("RegistrationHomeRemote"); RegistrationHomeRemote
registrationHome = (RegistrationHomeRemote)
PortableRemoteObject.narrow(ref,RegistrationHomeRemote.class); RegistrationRemote registration =
registrationHome.create();
registration.remove(); When I placed this code in a
TestServlet, however, I initially got a ClassCastException at the third
line. Some research in the forums
and the manual suggested to me that I did not have everything specified
correctly in my deployment descriptors.
After some tinkering, I no longer get a ClassCastException. However, I do get the following
Exception: javax.servlet.ServletException:
Could not activate; nested exception is:
java.io.FileNotFoundException:
C:\Java\jboss\jboss-3.0.0_tomcat-4.0.3\server\default\db\sessions\Registration\1036311619820.ser
(The system cannot find the file specified) at
com.pc.servlets.TestServlet.doRequest(TestServlet.java:44) at
com.pc.servlets.BaseServlet.doPost(BaseServlet.java:33) at
com.pc.servlets.BaseServlet.doGet(BaseServlet.java:28) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at
org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:446) at
org.apache.catalina.servlets.InvokerServlet.doGet(InvokerServlet.java:180) 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:2343) 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.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1012) at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107) at
java.lang.Thread.run(Thread.java:536) Could anyone shed any light on what's happening here? My deployment descriptors (in relevant part) are as follows: ejb.jar:
<session>
<display-name>Registration</display-name>
<ejb-name>Registration</ejb-name>
<home>com.pc.ejb.session.interfaces.RegistrationHomeRemote</home>
<remote>com.pc.ejb.session.interfaces.RegistrationRemote</remote>
<ejb-class>com.pc.ejb.session.beans.RegistrationBean</ejb-class>
<session-type>Stateful</session-type>
<transaction-type>Container</transaction-type>
</session> jboss.xml:
<session>
<ejb-name>Registration</ejb-name>
<jndi-name>RegistrationHomeRemote</jndi-name>
</session> web.xml:
<servlet>
<servlet-name>RegistrationServlet</servlet-name>
<servlet-class>com.pc.servlets.RegistrationServlet</servlet-class>
</servlet>
<ejb-ref>
<ejb-ref-name>Registration</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>RegistrationHomeRemote</home>
<remote>RegistrationRemote</remote>
<ejb-link>Registration</ejb-link>
</ejb-ref> jboss-web.xml:
<ejb-ref>
<ejb-ref-name>Registration</ejb-ref-name>
<jndi-name>pc/RegistrationHomeRemote</jndi-name>
</ejb-ref> |
