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New to EJB

smitha verghese
Ranch Hand

Joined: Jun 21, 2003
Posts: 42
Hello everybody,
I am new to ejb, i am using ant to deploy my bean into weblogic container, but i get some error when i try to execute
ant all
since some tags in build.xml has to b changed.
But i am unaware of how to change.
Kindly help me.
the folder i have kept my files is
C:\first
which has 2 folders
1 build
2 dist
3 src
4 build.xml
3.In src folder
3.a
C:\first\src\com\smitha\Hello\ejb folder
where i have kept my beans
Hello.java - Remote Interface
HelloBean.java - Bean
HelloHome.java - Home Interface
3.b
C:\first\src\com\smitha\Hello\ejb\META-INF folder
ejb-jar.xml
weblogic-ejb-jar.xml

4.build.xml
has the following

<project name="first" default="all" basedir=".">
<property name="hw.ejb.dir" value="${basedir}/src/com/smitha/Hello"/>
<property name="hw.dir" value="${basedir}/src/com/smitha/Hello"/>

<!-- Hello start -->
<property name="Hello.ejbjar.name" value="SSP_DS_Hello"/>
<property name="Hello.descriptor.dir" value="${hw.ejb.dir}/ejb/META-INF"/>
<property name="Hello.client.dir" value="${hw.dir}/Hello/client"/>
<!-- Hello end -->

<property name="ear.name" value="${ant.project.name}"/>
<property name="source.dir" value="${basedir}/src"/>
<property name="build.classes.dir" value="${basedir}/build/classes"/>
<property name="lib.dir" value="${basedir}/../../Common/lib"/>
<property name="common.lib.dir" value="${basedir}/../Common/lib"/>
<property name="common.dist.dir" value="${basedir}/../Common/dist"/>
<property name="dist.dir" value="${basedir}/dist"/>

<target name="clean">
<echo message="========================================="/>
<echo message=" Cleansing ${ant.project.name} "/>
<echo message="========================================="/>
<delete file="${dist.dir}/${Hello.ejbjar.name}.jar"/>
<delete file="${dist.dir}/${Hello.ejbjar.name}_Client.jar"/>
<delete file="${dist.dir}/${admin.ejbjar.name}.jar"/>
<delete file="${dist.dir}/${admin.ejbjar.name}_Client.jar"/>
<delete file="${dist.dir}/${ear.name}.ear"/>
<delete dir="${build.classes.dir}"/>
</target>

<path id="classpath_id">
<pathelement location="${build.classes.dir}"/>
<fileset dir="${common.lib.dir}">
<include name="*.jar"/>
</fileset>
</path>
<target name="all" depends="clean, hw-ejb-jar"/>

<target name="banner">
<echo message="========================================================== "/>
<echo message=" Lookup Build Script "/>
<echo message="========================================================== "/>
<echo message="Use 'ant' or 'ant all' rebuild the SSPLookup kit "/>
<echo message="Use 'ant clean' to clean intermediate files "/>
<echo message="Use 'ant lookup-client-jar' to rebuild Lookup EJB client files "/>
<echo message="Use 'ant client' to rebuild lookup/client files "/>
<echo message="========================================================== "/>
</target>
<target name="init" depends="banner">
<echo message="========================================="/>
<echo message=" Preparing ${ant.project.name} "/>
<echo message="========================================="/>
<tstamp/>
<mkdir dir="${build.classes.dir}"/>
<mkdir dir="${dist.dir}"/>
<property name="classpath" refId="classpath_id"/>
<echo message="Using Classpath: ${classpath}" />
</target>

<!-- Hello start -->
<target name="hw-compile" depends="init">
<echo message="========================================="/>
<echo message=" Compiling ${ant.project.name} files "/>
<echo message="========================================="/>
<javac srcdir="${source.dir}"
destdir="${build.classes.dir}"
classpath="${classpath}"
includes="**/Hello/ejb/*.java,**/Hello/client/*.java"/>
</target>

<target name="hw-client-jar" depends="hw-compile">
<echo message="========================================="/>
<echo message="Packaging SSP_DS_Hello_Client.jar"/>
<echo message="========================================="/>
<jar jarfile="${dist.dir}/${Hello.ejbjar.name}_Client.jar">
<fileset dir="${build.classes.dir}">
<include name="**/*Hello.class"/>
<include name="**/*HelloHome.class"/>
</fileset>
</jar>
<echo message="hw-hello-client-jar done"/>
</target>

<target name="hw-ejb-jar" depends="hw-client-jar" >
<echo message="========================================="/>
<echo message=" Building ${ant.project.name} EJB jar "/>
<echo message="========================================="/>
<ejbjar srcdir="${build.classes.dir}"
basejarname="${Hello.ejbjar.name}"
descriptordir="${Hello.descriptor.dir}"
manifest="${Hello.descriptor.dir}/MANIFEST.MF">
<weblogic destdir="${dist.dir}"
wlclasspath="${common.lib.dir}/weblogic.jar:${common.dist.dir}/SSP_DS_Common.jar"
classpath="${classpath}"
ejbcclass="weblogic.ejbc"/>
<support dir="${build.classes.dir}">
<include name="**/Hello/*.class"/>
<include name="**/Hello/ejb/*.class"/>
</support>
<include name="**/ejb-jar.xml"/>
<exclude name="**/weblogic-ejb-jar.xml"/>
</ejbjar>
</target>
<!-- Hello end -->
</project>
Adam Hardy
Ranch Hand

Joined: Oct 09, 2001
Posts: 566
Smitha, it's alot easier to help when you say what the error is. Presumably ant says something is wrong. What does it say?


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subject: New to EJB