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From Andrus Adamchik <and...@objectstyle.org>
Subject Re: Ant cgen task not working after following tutorial
Date Mon, 25 May 2009 08:53:10 GMT
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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