Re: Ant cgen task not working after following tutorial

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Mon May 25 2009 - 04:53:10 EDT

  • Next message: Joseph Wamicha: "Re: Ant cgen task not working after following tutorial"

    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:
    >
    > sysadmi..strodon$ 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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