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From Joseph Wamicha <jwami...@gmail.com>
Subject Re: Ant cgen task not working after following tutorial
Date Mon, 25 May 2009 08:55:45 GMT
Hi Andrus,

Thanks for your response. The version is: cayenne-2.0.4

Andrus Adamchik wrote:
> Hi Joseph,
>
> which version of Cayenne is that?
>
> Andrus
>
>
> On May 25, 2009, at 11:21 AM, Joseph Wamicha wrote:
>
>> Hi,
>>
>> I'm currently experimenting with cayenne; it's looking good.
>>
>> I have however run into problems while running the ant cgen task. I'm 
>> not sure what's going wrong with ant cgen. I would be grateful for 
>> any help on this. Please see my ant task below:
>>
>> <path id="full.classpath">
>>      <fileset dir="lib" />
>>  </path>
>>    <!-- Custom apache cayenne ant tasks...-->
>>  <typedef resource="org/apache/cayenne/tools/antlib.xml">
>>     <classpath refid="full.classpath"/>
>>  </typedef>
>>    <target name="classgen">
>>    <cgen map="src/PersistenceMap.map.xml" destDir="test"
>>      usepkgpath="true" superpkg="com.plugin.persistence" />
>>  </target>
>>
>> and inside my lib directory I have the cayenne.jar file
>>
>> When I now run ant classgen, I get the following error:
>>
>> sysadmin@astrodon$ ant classgen
>> Buildfile: build.xml
>>
>> classgen:
>>   [cgen] Error generating classes: Problem initializing template 
>> loader: org.apache.cayenne.gen.ClassGeneratorResourceLoader
>>   [cgen] Error is: java.lang.ClassNotFoundException: 
>> org.apache.cayenne.gen.ClassGeneratorResourceLoader
>>   [cgen]     at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>>   [cgen]     at java.security.AccessController.doPrivileged(Native 
>> Method)
>>   [cgen]     at 
>> java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>>   [cgen]     at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>>   [cgen]     at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
>>   [cgen]     at 
>> java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
>>   [cgen]     at java.lang.Class.forName0(Native Method)
>>   [cgen]     at java.lang.Class.forName(Class.java:169)
>>   [cgen]     at 
>> org.apache.velocity.runtime.resource.loader.ResourceLoaderFactory.getLoader(ResourceLoaderFactory.java:41)

>>
>>   [cgen]     at 
>> org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize(ResourceManagerImpl.java:142)

>>
>>   [cgen]     at 
>> org.apache.velocity.runtime.RuntimeInstance.initializeResourceManager(RuntimeInstance.java:522)

>>
>>   [cgen]     at 
>> org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:227) 
>>
>>   [cgen]     at 
>> org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:461) 
>>
>>   [cgen]     at 
>> org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:106)
>>   [cgen]     at 
>> org.apache.cayenne.gen.ClassGenerator.initializeClassTemplate(ClassGenerator.java:149)

>>
>>   [cgen]     at 
>> org.apache.cayenne.gen.ClassGenerator.<init>(ClassGenerator.java:94)
>>   [cgen]     at 
>> org.apache.cayenne.gen.MapClassGenerator.generateClassPairs_1_1(MapClassGenerator.java:222)

>>
>>   [cgen]     at 
>> org.apache.cayenne.gen.MapClassGenerator.generateClassPairs(MapClassGenerator.java:199)

>>
>>   [cgen]     at 
>> org.apache.cayenne.gen.DefaultClassGenerator.execute(DefaultClassGenerator.java:98)

>>
>>   [cgen]     at 
>> org.apache.cayenne.tools.CayenneGenerator.processMap(CayenneGenerator.java:144) 
>>
>>   [cgen]     at 
>> org.apache.cayenne.tools.CayenneGenerator.execute(CayenneGenerator.java:80) 
>>
>>   [cgen]     at 
>> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
>>   [cgen]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
>> Method)
>>   [cgen]     at 
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
>>
>>   [cgen]     at 
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

>>
>>   [cgen]     at java.lang.reflect.Method.invoke(Method.java:597)
>>   [cgen]     at 
>> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) 
>>
>>   [cgen]     at org.apache.tools.ant.Task.perform(Task.java:348)
>>   [cgen]     at org.apache.tools.ant.Target.execute(Target.java:357)
>>   [cgen]     at 
>> org.apache.tools.ant.Target.performTasks(Target.java:385)
>>   [cgen]     at 
>> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
>>   [cgen]     at 
>> org.apache.tools.ant.Project.executeTarget(Project.java:1306)
>>   [cgen]     at 
>> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)

>>
>>   [cgen]     at 
>> org.apache.tools.ant.Project.executeTargets(Project.java:1189)
>>   [cgen]     at org.apache.tools.ant.Main.runBuild(Main.java:758)
>>   [cgen]     at org.apache.tools.ant.Main.startAnt(Main.java:217)
>>   [cgen]     at 
>> org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
>>   [cgen]     at 
>> org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
>>
>> BUILD FAILED
>>
>> What could be going wrong?
>>
>> Thanks,
>> Joseph.
>>
>


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