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Posted to user@struts.apache.org by joi <jo...@maskina.com> on 2001/07/03 13:53:28 UTC
Problem with ejb and struts
Hi!
I have a problem accessing the InitialContext in the action classes. I'm
using struts blank with ejb and when I lookup the ejb they cant be
found! The enviroment returns an empty Context..
..code from an Action class..
Context ctx = new InitialContext();
Object homeObject =
m_ctx.lookup("java:comp/env/ejbUserManagement");
home =
(UserManagementHome)PortableRemoteObject.narrow(homeObject,
UserManagementHome.class);
The server which I am using is Orion 1.5.2
the ejb-jar.xml should be correct but I am not sure about the
Refences in Web.xml
This is my web.xml..
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
-->
<web-app>
<display-name>myProject</display-name>
<login-config>
<auth-method>BASIC</auth-method>
</login-config>
<!-- Standard Action Servlet Configuration (with debugging) -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>application</param-name>
<param-value>ApplicationResources</param-value>
</init-param>
<init-param>
<param-name>config</param-name>
<param-value>/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>validate</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<ejb-ref>
<ejb-ref-name>ejbUserManagement</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
</ejb-ref>
<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
This is my ejb-jar.xml..
<?xml version="1.0"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise
JavaBeans 1.1//EN" "http://java.sun.com/j2ee/dtds/ejb-jar_1_1.dtd">
<ejb-jar>
<display-name>myProject (EJB module)</display-name>
<description>This is a description..</description>
<enterprise-beans>
<session>
<description>UserManagement
EJB</description>
<display-name>UserManagement</display-name>
<ejb-name>ejbUserManagement</ejb-name>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
<ejb-class>com.maskina.mcstudio.model.persistance.UserManagementBean</ej
b-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<ejb-ref>
<ejb-ref-name>ejbUser</ejb-ref-name>
<ejb-ref-type>Entity</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
</ejb-ref>
</session>
<entity>
<description>User EJB</description>
<display-name>UserEJB</display-name>
<ejb-name>ejbUser</ejb-name>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
<ejb-class>com.maskina.mcstudio.model.persistance.UserBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
<reentrant>False</reentrant>
<cmp-field><field-name>UserID</field-name></cmp-field>
<cmp-field><field-name>Username</field-name></cmp-field>
<cmp-field><field-name>Password</field-name></cmp-field>
<primkey-field>UserID</primkey-field>
</entity>
</enterprise-beans>
<assembly-descriptor>
<security-role>
<description>Users</description>
<role-name>users</role-name>
</security-role>
<container-transaction>
<method>
<ejb-name>ejbUser</ejb-name>
<method-name>*</method-name>
</method>
<trans-attribute>NotSupported</trans-attribute>
</container-transaction>
</assembly-descriptor>
</ejb-jar>
Kveðja
Jóhann Ölvir Guðmundsson
e-mail: johann@maskina.com
sími: (+354) 898-6769
Re: Problem with ejb and struts
Posted by suhas <su...@techmas.hcltech.com>.
sorry I did not see ur descriptor file
Try finding bean using name " ejbUserManagment" instead of
"java:comp/env/ejbUserManagement" .
Also
<ejb-ref>
<ejb-ref-name>ejbUserManagement</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
</ejb-ref>
does not have <ejb-link>ejbUserManagement</ejb-link> tag which will link to
the ejb that u are referring to .
Check this out
Suhas
----- Original Message -----
From: joi <jo...@maskina.com>
To: <st...@jakarta.apache.org>
Sent: Tuesday, July 03, 2001 12:53 PM
Subject: Problem with ejb and struts
Hi!
I have a problem accessing the InitialContext in the action classes. I'm
using struts blank with ejb and when I lookup the ejb they cant be
found! The enviroment returns an empty Context..
..code from an Action class..
Context ctx = new InitialContext();
Object homeObject =
m_ctx.lookup("java:comp/env/ejbUserManagement");
home =
(UserManagementHome)PortableRemoteObject.narrow(homeObject,
UserManagementHome.class);
The server which I am using is Orion 1.5.2
the ejb-jar.xml should be correct but I am not sure about the
Refences in Web.xml
This is my web.xml..
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
-->
<web-app>
<display-name>myProject</display-name>
<login-config>
<auth-method>BASIC</auth-method>
</login-config>
<!-- Standard Action Servlet Configuration (with debugging) -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>application</param-name>
<param-value>ApplicationResources</param-value>
</init-param>
<init-param>
<param-name>config</param-name>
<param-value>/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>validate</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<ejb-ref>
<ejb-ref-name>ejbUserManagement</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
</ejb-ref>
<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
This is my ejb-jar.xml..
<?xml version="1.0"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise
JavaBeans 1.1//EN" "http://java.sun.com/j2ee/dtds/ejb-jar_1_1.dtd">
<ejb-jar>
<display-name>myProject (EJB module)</display-name>
<description>This is a description..</description>
<enterprise-beans>
<session>
<description>UserManagement
EJB</description>
<display-name>UserManagement</display-name>
<ejb-name>ejbUserManagement</ejb-name>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
<ejb-class>com.maskina.mcstudio.model.persistance.UserManagementBean</ej
b-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<ejb-ref>
<ejb-ref-name>ejbUser</ejb-ref-name>
<ejb-ref-type>Entity</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
</ejb-ref>
</session>
<entity>
<description>User EJB</description>
<display-name>UserEJB</display-name>
<ejb-name>ejbUser</ejb-name>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
<ejb-class>com.maskina.mcstudio.model.persistance.UserBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
<reentrant>False</reentrant>
<cmp-field><field-name>UserID</field-name></cmp-field>
<cmp-field><field-name>Username</field-name></cmp-field>
<cmp-field><field-name>Password</field-name></cmp-field>
<primkey-field>UserID</primkey-field>
</entity>
</enterprise-beans>
<assembly-descriptor>
<security-role>
<description>Users</description>
<role-name>users</role-name>
</security-role>
<container-transaction>
<method>
<ejb-name>ejbUser</ejb-name>
<method-name>*</method-name>
</method>
<trans-attribute>NotSupported</trans-attribute>
</container-transaction>
</assembly-descriptor>
</ejb-jar>
Kveðja
Jóhann Ölvir Guðmundsson
e-mail: johann@maskina.com
sími: (+354) 898-6769
Re: Problem with ejb and struts
Posted by suhas <su...@techmas.hcltech.com>.
It looks as though there is problem in the specifying the name of the bean
to look for -"java:comp/env/ejbUserManagement"
first of all I think u can reference a bean using
"java:comp/env/ejb/userManagement" only inside the another bean code
For u to access the bean out side - give "userManagement" as the <Jndi-name>
in the descriptor file
----- Original Message -----
From: joi <jo...@maskina.com>
To: <st...@jakarta.apache.org>
Sent: Tuesday, July 03, 2001 12:53 PM
Subject: Problem with ejb and struts
Hi!
I have a problem accessing the InitialContext in the action classes. I'm
using struts blank with ejb and when I lookup the ejb they cant be
found! The enviroment returns an empty Context..
..code from an Action class..
Context ctx = new InitialContext();
Object homeObject =
m_ctx.lookup("java:comp/env/ejbUserManagement");
home =
(UserManagementHome)PortableRemoteObject.narrow(homeObject,
UserManagementHome.class);
The server which I am using is Orion 1.5.2
the ejb-jar.xml should be correct but I am not sure about the
Refences in Web.xml
This is my web.xml..
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
-->
<web-app>
<display-name>myProject</display-name>
<login-config>
<auth-method>BASIC</auth-method>
</login-config>
<!-- Standard Action Servlet Configuration (with debugging) -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>application</param-name>
<param-value>ApplicationResources</param-value>
</init-param>
<init-param>
<param-name>config</param-name>
<param-value>/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>validate</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<ejb-ref>
<ejb-ref-name>ejbUserManagement</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
</ejb-ref>
<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>
This is my ejb-jar.xml..
<?xml version="1.0"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise
JavaBeans 1.1//EN" "http://java.sun.com/j2ee/dtds/ejb-jar_1_1.dtd">
<ejb-jar>
<display-name>myProject (EJB module)</display-name>
<description>This is a description..</description>
<enterprise-beans>
<session>
<description>UserManagement
EJB</description>
<display-name>UserManagement</display-name>
<ejb-name>ejbUserManagement</ejb-name>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
ote>
<ejb-class>com.maskina.mcstudio.model.persistance.UserManagementBean</ej
b-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<ejb-ref>
<ejb-ref-name>ejbUser</ejb-ref-name>
<ejb-ref-type>Entity</ejb-ref-type>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
</ejb-ref>
</session>
<entity>
<description>User EJB</description>
<display-name>UserEJB</display-name>
<ejb-name>ejbUser</ejb-name>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
<ejb-class>com.maskina.mcstudio.model.persistance.UserBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
<reentrant>False</reentrant>
<cmp-field><field-name>UserID</field-name></cmp-field>
<cmp-field><field-name>Username</field-name></cmp-field>
<cmp-field><field-name>Password</field-name></cmp-field>
<primkey-field>UserID</primkey-field>
</entity>
</enterprise-beans>
<assembly-descriptor>
<security-role>
<description>Users</description>
<role-name>users</role-name>
</security-role>
<container-transaction>
<method>
<ejb-name>ejbUser</ejb-name>
<method-name>*</method-name>
</method>
<trans-attribute>NotSupported</trans-attribute>
</container-transaction>
</assembly-descriptor>
</ejb-jar>
Kveðja
Jóhann Ölvir Guðmundsson
e-mail: johann@maskina.com
sími: (+354) 898-6769
Re: Present/NotPresent Blows Up With SilverStream 3.7
Posted by Joey Gibson <jo...@joeygibson.com>.
I just did some more testing (I always seem to gain insight after I
post...) and I discovered that it is the SECOND occurrence of a
present/notPresent on a page that dies. If I have a present that fails, and
then have another present/notPresent, on the same bean or a different bean,
it will die whether or not the bean is present of not. I can verify this by
moving the dying present/notPresent before the successful one, and then the
failing one works and the successful one dies. It would appear from the
error message and my cursory investigation of the Struts source that when
an attempt is made to find a bean, an exception is being caught and stored
in the org.apache.struts.action.EXCEPTION, and subsequent attempts to
replace that value with another caught exception are what is hosing it
down.
So, has anyone else seen/verified this situation and what can/should I
do about it?
Joey
-- Sun Certified Java2 Programmer
-- Political Rants: www.joeygibson.com
-- My Pocket Smalltalk Stuff: www.joeygibson.com/st
--
-- "We thought about killin' him, but we kinda
-- hated to go that far...."
Re: Problem with ejb and struts
Posted by Matt Raible <ma...@yahoo.com>.
I have the following in my action class and it works
fine:
InitialContext ctx = new InitialContext();
WorkProfileManagerHome home = (WorkProfileManagerHome)
ctx.lookup( WorkProfileManagerHome.CLASS_CTX );
WorkProfileManager workProfile = home.create();
// Populate the DO from Session Bean
aWorkProfileDO =
workProfile.getProfileDetail(workProfilePK);
--- joi <jo...@maskina.com> wrote:
> Hi!
> I have a problem accessing the InitialContext in the
> action classes. I'm
> using struts blank with ejb and when I lookup the
> ejb they cant be
> found! The enviroment returns an empty Context..
>
> ..code from an Action class..
>
> Context ctx = new InitialContext();
> Object homeObject =
> m_ctx.lookup("java:comp/env/ejbUserManagement");
> home =
>
(UserManagementHome)PortableRemoteObject.narrow(homeObject,
> UserManagementHome.class);
>
>
>
> The server which I am using is Orion 1.5.2
>
> the ejb-jar.xml should be correct but I am not sure
> about the
> Refences in Web.xml
>
> This is my web.xml..
>
> <?xml version="1.0" encoding="ISO-8859-1"?>
>
> <!--
> <!DOCTYPE web-app
> PUBLIC "-//Sun Microsystems, Inc.//DTD Web
> Application 2.2//EN"
> "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
> -->
> <web-app>
>
> <display-name>myProject</display-name>
> <login-config>
> <auth-method>BASIC</auth-method>
> </login-config>
>
> <!-- Standard Action Servlet Configuration (with
> debugging) -->
> <servlet>
> <servlet-name>action</servlet-name>
>
>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
> <init-param>
> <param-name>application</param-name>
>
> <param-value>ApplicationResources</param-value>
> </init-param>
> <init-param>
> <param-name>config</param-name>
> <param-value>/struts-config.xml</param-value>
> </init-param>
> <init-param>
> <param-name>debug</param-name>
> <param-value>2</param-value>
> </init-param>
> <init-param>
> <param-name>detail</param-name>
> <param-value>2</param-value>
> </init-param>
> <init-param>
> <param-name>validate</param-name>
> <param-value>true</param-value>
> </init-param>
> <load-on-startup>2</load-on-startup>
> </servlet>
> <ejb-ref>
> <ejb-ref-name>ejbUserManagement</ejb-ref-name>
> <ejb-ref-type>Session</ejb-ref-type>
>
>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
>
>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
> ote>
> </ejb-ref>
>
> <!-- Standard Action Servlet Mapping -->
> <servlet-mapping>
> <servlet-name>action</servlet-name>
> <url-pattern>*.do</url-pattern>
> </servlet-mapping>
>
> </web-app>
>
>
> This is my ejb-jar.xml..
>
> <?xml version="1.0"?>
> <!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems,
> Inc.//DTD Enterprise
> JavaBeans 1.1//EN"
> "http://java.sun.com/j2ee/dtds/ejb-jar_1_1.dtd">
> <ejb-jar>
> <display-name>myProject (EJB module)</display-name>
> <description>This is a description..</description>
> <enterprise-beans>
> <session>
> <description>UserManagement
> EJB</description>
>
> <display-name>UserManagement</display-name>
> <ejb-name>ejbUserManagement</ejb-name>
>
>
>
<home>com.maskina.mcstudio.model.persistance.UserManagementHome</home>
>
>
<remote>com.maskina.mcstudio.model.persistance.UserManagementRemote</rem
> ote>
>
>
<ejb-class>com.maskina.mcstudio.model.persistance.UserManagementBean</ej
> b-class>
> <session-type>Stateless</session-type>
>
> <transaction-type>Container</transaction-type>
>
> <ejb-ref>
>
> <ejb-ref-name>ejbUser</ejb-ref-name>
>
> <ejb-ref-type>Entity</ejb-ref-type>
>
>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
>
>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
> </ejb-ref>
>
> </session>
> <entity>
> <description>User EJB</description>
> <display-name>UserEJB</display-name>
> <ejb-name>ejbUser</ejb-name>
>
>
>
<home>com.maskina.mcstudio.model.persistance.UserHome</home>
>
>
<remote>com.maskina.mcstudio.model.persistance.UserRemote</remote>
>
>
<ejb-class>com.maskina.mcstudio.model.persistance.UserBean</ejb-class>
>
> <persistence-type>Container</persistence-type>
>
> <prim-key-class>java.lang.Integer</prim-key-class>
> <reentrant>False</reentrant>
>
>
>
<cmp-field><field-name>UserID</field-name></cmp-field>
>
>
<cmp-field><field-name>Username</field-name></cmp-field>
>
>
<cmp-field><field-name>Password</field-name></cmp-field>
>
>
> <primkey-field>UserID</primkey-field>
>
> </entity>
> </enterprise-beans>
> <assembly-descriptor>
>
> <security-role>
> <description>Users</description>
> <role-name>users</role-name>
> </security-role>
>
> <container-transaction>
> <method>
> <ejb-name>ejbUser</ejb-name>
> <method-name>*</method-name>
> </method>
> <trans-attribute>NotSupported</trans-attribute>
> </container-transaction>
> </assembly-descriptor>
> </ejb-jar>
>
>
>
> Kve�ja
> J�hann �lvir Gu�mundsson
> e-mail: johann@maskina.com
> s�mi: (+354) 898-6769
>
>
>
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