Hi,
I am getting following error while i am trying to lookup ejb.
Could not dereference object [Root exception is
javax.naming.NameNotFoundException: ejb not bound]
I am using following code for lookup in a Sevlet.
anonymous wrote : try {
| Context context = new InitialContext();
|
| Object ref = context.lookup("java:/comp/env/ejb/MapSession");
| home = (MapSessionHome) PortableRemoteObject.narrow(ref,
MapSessionHome.class);
| } catch (Exception e) {
| e.printStackTrace();
| throw new ServletException("look up of java:/comp/env/ejb/MapSession
failed",e);
| }
Following is ejb-jar.xml.
anonymous wrote :
| <enterprise-beans>
|
| <!-- Session Beans -->
|
| <![CDATA[Description for MapSession]]>
| <display-name>Name for MapSession</display-name>
|
| <ejb-name>MapSession</ejb-name>
|
| com.virtualcityindia.ejbs.MapSessionHome
| com.virtualcityindia.ejbs.MapSession
| <ejb-class>com.virtualcityindia.ejbs.MapSessionSession</ejb-class>
| <session-type>Stateless</session-type>
| <transaction-type>Container</transaction-type>
|
|
|
| </enterprise-beans>
|
Following is the jboss.xml file:
anonymous wrote :
|
|
| <enterprise-beans>
|
| <!--
| To add beans that you have deployment descriptor info for, add
| a file to your XDoclet merge directory called jboss-beans.xml that
contains
| the , and <message-driven></message-driven>
| markup for those beans.
| -->
|
|
| <ejb-name>MapSession</ejb-name>
|
| <jndi-name>ejb/MapSession</jndi-name>
|
|
|
| <!--
| write a merge file jboss-webservices.ent for webservice-description
| -->
|
| </enterprise-beans>
|
| <resource-managers>
| </resource-managers>
|
| <!--
| | for container settings, you can merge in jboss-container.xml
| | this can contain <invoker-proxy-bindings/> and
<container-configurations/>
| -->
|
|
|
Following is the jboss-web.xml file:
anonymous wrote :
| <?xml version="1.0" encoding="UTF-8"?>
| <!DOCTYPE jboss-web PUBLIC "-//JBoss//DTD Web Application 2.3//EN"
"http://www.jboss.org/j2ee/dtd/jboss-web_3_0.dtd";>
|
| <jboss-web>
|
| <!-- Resource Environment References -->
| <!--
| For additional resouce-env-ref tags add a merge file called
jbossweb-resource-env-ref.xml
| -->
|
| <!-- Resource references -->
| <!--
| For additional resouce-ref tags add a merge file called
jbossweb-resource-ref.xml
| -->
|
| <!-- EJB References -->
| <!--
| For additional ejb-ref tags add a merge file called
jbossweb-ejb-ref.xml
| -->
| <ejb-ref>
| <ejb-ref-name>ejb/MapSession</ejb-ref-name>
| <jndi-name>ejb/MapSession</jndi-name>
| </ejb-ref>
|
| <!-- EJB Local References -->
| </jboss-web>
|
Following the relevenat portion of web.xml file:
anonymous wrote :
| <web-app>
| <ejb-ref >
| <![CDATA[Reference to the MapSession EJB]]>
| <ejb-ref-name>ejb/MapSession</ejb-ref-name>
| <ejb-ref-type>Session</ejb-ref-type>
| com.virtualcityindia.interfaces.MapSessionHome
| com.virtualcityindia.interfaces.MapSession
| </ejb-ref>
|
| </web-app>
|
When i deploys the ear file to JBoss server: I get following trace:
anonymous wrote :
| 18:32:20,228 INFO [EARDeployer] Init J2EE application: file:/C:/Program
Files/jboss-4.0.3SP1/server/default/deploy/virtaualcity.ear
| 18:32:20,688 INFO [EjbModule] Deploying MapSession
| 18:32:20,949 INFO [ProxyFactory] Bound EJB Home 'MapSession' to jndi
'MapSession'
| 18:32:20,949 INFO [EJBDeployer] Deployed: file:/C:/Program
Files/jboss-4.0.3SP1/server/default/tmp/deploy/tmp56751virtaualcity.ear-contents/webapp.jar
| 18:32:21,019 INFO [TomcatDeployer] deploy, ctxPath=/virtualcity,
warUrl=.../tmp/deploy/tmp56751virtaualcity.ear-contents/virtualcity-exp.war/
| 18:32:21,309 INFO [JBossCacheManager] init(): replicationGranularity_ is 0
and invaldateSessionPolicy is 2
| 18:32:21,359 INFO [JBossCacheManager] Starting JBossManager
| 18:32:21,470 INFO [EARDeployer] Started J2EE application: file:/C:/Program
Files/jboss-4.0.3SP1/server/default/deploy/virtaualcity.ear
|
It says that EJB is deployed correctly.
I checked in jmx controller also ... the ejb is deployed correctly.
But still when i try to look up (Using the code i specified in the start) ; i
gets following error:
anonymous wrote :
| description The server encountered an internal error () that prevented it
from fulfilling this request.
|
| exception :
| javax.servlet.ServletException: look up of java:/comp/env/ejb/MapSession
failed
| com.virtualcityindia.web.IndexServlet.init(IndexServlet.java:60)
| javax.servlet.GenericServlet.init(GenericServlet.java:211)
|
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
|
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
|
org.jboss.web.tomcat.tc5.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:81)
|
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
|
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
|
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
|
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
|
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
|
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
|
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| java.lang.Thread.run(Thread.java:595)
|
|
| root cause :
| javax.naming.NamingException: Could not dereference object [Root exception
is javax.naming.NameNotFoundException: ejb not bound]
| org.jnp.interfaces.NamingContext.resolveLink(NamingContext.java:1052)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:685)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:701)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
| javax.naming.InitialContext.lookup(InitialContext.java:351)
| com.virtualcityindia.web.IndexServlet.init(IndexServlet.java:56)
| javax.servlet.GenericServlet.init(GenericServlet.java:211)
|
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
|
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
|
org.jboss.web.tomcat.tc5.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:81)
|
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
|
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
|
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
|
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
|
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
|
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
|
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| java.lang.Thread.run(Thread.java:595)
|
|
| root cause :
| javax.naming.NameNotFoundException: ejb not bound
| org.jnp.server.NamingServer.getBinding(NamingServer.java:514)
| org.jnp.server.NamingServer.getBinding(NamingServer.java:522)
| org.jnp.server.NamingServer.getObject(NamingServer.java:528)
| org.jnp.server.NamingServer.lookup(NamingServer.java:252)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:610)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
| javax.naming.InitialContext.lookup(InitialContext.java:351)
| org.jnp.interfaces.NamingContext.resolveLink(NamingContext.java:1046)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:685)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:701)
| org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
| javax.naming.InitialContext.lookup(InitialContext.java:351)
| com.virtualcityindia.web.IndexServlet.init(IndexServlet.java:56)
| javax.servlet.GenericServlet.init(GenericServlet.java:211)
|
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
|
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
|
org.jboss.web.tomcat.tc5.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:81)
|
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
|
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
|
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
|
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
|
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
|
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
|
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| java.lang.Thread.run(Thread.java:595)
|
|
|
Can somebody pleae reply early. I need to solve this problem as quickly as
possible.
Thanks in advance,
Best Regards,
Ashwani
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