Hello,

in Merlin I want to create my components meta infos with ant 1.5.3, so i
added following code in my build.xml:

    <path id="meta.class.path"

path="${lib.dir}/avalon/avalon-merlin/plugins/avalon-meta-tools-1.3.jar:

${lib.dir}/avalon/avalon-merlin/plugins/avalon-meta-impl-1.3.1.jar:

${lib.dir}/avalon/avalon-merlin/plugins/avalon-meta-plugin-1.3.1.jar:
                    ${lib.dir}/avalon/avalon-fortress/qdox-1.2.jar"
    />

    <target name="meta_graphio" description="Generates the Graph-I/O XML
descriptors" depends="compile_graphio">
        <taskdef name="meta"
classname="org.apache.avalon.meta.info.ant.MetaTask">
            <classpath refid="meta.class.path" />
        </taskdef>
        <meta destDir="${build.dest}" format="xml">
            <fileset dir="${build.dir}">
                <include name="graphio/**/*.java"/>
            </fileset>
        </meta>
    </target>

Compilation went fine but I got the flollowing error during the meta task as
shown below. I think my classpath is correct. Can somebody help? Thx in
advance.

This is what i get as error dump:

parsing buildfile D:\UNI\PROJEKT_VIS2\VIS2\build.xml with URI =
file:D:/UNI/PROJEKT_VIS2/VIS2/build.xml
Project base dir set to: D:\UNI\PROJEKT_VIS2\VIS2
Build sequence for target `meta_graphio' is [clean_classes, compile_graphio,
meta_graphio]
Complete build sequence is [clean_classes, compile_graphio, meta_graphio,
clean_api-doc, prepare, compile, package_core, package_config, package_fcm,
package_menubar, package_statusbar, package_toolbar, package_graphio,
run_vis, all, javadoc, run_vis_with_merlin, doc_grapml_schema, usage,
compile_core]
clean_classes:
Deleting directory D:\UNI\PROJEKT_VIS2\VIS2\classes
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\AbstractGraphBuilder.class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\AbstractGraphBuilderFactory.cla
ss
Deleting D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\AbstractGraphSerialize
r.class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\AbstractGraphSerializerFactory.
class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\GraphBuilderFactory.class
Deleting D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\GraphIO$1.class
Deleting D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\GraphIO.class
Deleting D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\GraphIOImpl.class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\graphml\GraphMLBuilder.class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\graphml\GraphMLSerializer.class
Deleting directory D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\graphml
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\GraphSerializerFactory.class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\pajek\PAJEKBuilder.class
Deleting
D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\pajek\PAJEKSerializer.class
Deleting directory D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio\pajek
Deleting directory D:\UNI\PROJEKT_VIS2\VIS2\classes\vis\graphio
Deleting directory D:\UNI\PROJEKT_VIS2\VIS2\classes\vis
Deleting directory D:\UNI\PROJEKT_VIS2\VIS2\classes
compile_graphio:
Created dir: D:\UNI\PROJEKT_VIS2\VIS2\classes
graphio\.nbattrs skipped - don't know how to handle it
graphio\AbstractGraphBuilder.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\AbstractGraphBuilder.class doesn't
exist.
graphio\AbstractGraphBuilderFactory.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\AbstractGraphBuilderFactory.class
doesn't exist.
graphio\AbstractGraphSerializer.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\AbstractGraphSerializer.class
doesn't exist.
graphio\AbstractGraphSerializerFactory.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\AbstractGraphSerializerFactory.clas
s doesn't exist.
graphio\GraphBuilderFactory.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\GraphBuilderFactory.class doesn't
exist.
graphio\GraphIO.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\GraphIO.class doesn't exist.
graphio\GraphIOImpl.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\GraphIOImpl.class doesn't exist.
graphio\graphml\.nbattrs skipped - don't know how to handle it
graphio\graphml\GraphMLBuilder.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\graphml\GraphMLBuilder.class
doesn't exist.
graphio\graphml\GraphMLSerializer.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\graphml\GraphMLSerializer.class
doesn't exist.
graphio\GraphSerializerFactory.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\GraphSerializerFactory.class
doesn't exist.
graphio\pajek\.nbattrs skipped - don't know how to handle it
graphio\pajek\PAJEKBuilder.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\pajek\PAJEKBuilder.class doesn't
exist.
graphio\pajek\PAJEKSerializer.java added as
D:\UNI\PROJEKT_VIS2\VIS2\classes\graphio\pajek\PAJEKSerializer.class doesn't
exist.
Compiling 12 source files to D:\UNI\PROJEKT_VIS2\VIS2\classes
Using modern compiler
dropping D:\UNI\PROJEKT_VIS2\VIS2\lib\Config.jar from path as it doesn't
exist
dropping D:\UNI\PROJEKT_VIS2\VIS2\lib\JMenuBar.jar from path as it doesn't
exist
dropping D:\UNI\PROJEKT_VIS2\VIS2\lib\JStatusBar.jar from path as it doesn't
exist
dropping D:\UNI\PROJEKT_VIS2\VIS2\lib\JToolBar.jar from path as it doesn't
exist
Compilation arguments:
'-deprecation'
'-d'
'D:\UNI\PROJEKT_VIS2\VIS2\classes'
'-classpath'
'D:\UNI\PROJEKT_VIS2\VIS2\classes;D:\UNI\PROJEKT_VIS2\VIS2\lib\ant\ant-1.6.1
.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\avalon\avalon-framework\avalon-framework-4
.1.5.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\avalon\avalon-fortress\avalon-fortress
-container-complete-1.1.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\avalon\avalon-excal
ibur\avalon-excalibur-4.1.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\avalon\avalon-mer
lin\merlin\bin\lib\merlin-cli-3.2.4.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\common\
colt\colt-1.0.3.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\common\commons-collections\
commons-collections-3.0.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\common\xerces\xerce
sImpl-2.6.2.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\jdom\jdom-b9.jar;D:\UNI\PROJEKT
_VIS2\VIS2\lib\jdom\jaxen-core.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\jdom\jaxen-j
dom.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\jdom\saxpath.jar;D:\UNI\PROJEKT_VIS2\VI
S2\lib\jdom\xalan.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\jung\jung-1.3.0.jar;D:\UN
I\PROJEKT_VIS2\VIS2\lib\log4j\log4j-1.2.8.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\s
kin\jgoodies\looks-1.2.1.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\skin\kunststoff\ku
nststoff-2.0.1.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\skin\metouia\metouia-1.0b.ja
r;D:\UNI\PROJEKT_VIS2\VIS2\lib\skin\toniclf\toniclf-1.0.4.jar;D:\UNI\PROJEKT
_VIS2\VIS2\lib\FCM.jar;D:\UNI\PROJEKT_VIS2\VIS2\lib\Graph-IO.jar;D:\UNI\PROJ
EKT_VIS2\VIS2\lib\VIS-0.5.jar'
'-sourcepath'
'D:\UNI\PROJEKT_VIS2\VIS2\vis'
'-target'
'1.4'
'-g:none'
'-O'
The ' characters around the executable and arguments are
not part of the command.
Files to be compiled:
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\AbstractGraphBuilder.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\AbstractGraphBuilderFactory.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\AbstractGraphSerializer.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\AbstractGraphSerializerFactory.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\GraphBuilderFactory.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\GraphIO.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\GraphIOImpl.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\graphml\GraphMLBuilder.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\graphml\GraphMLSerializer.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\GraphSerializerFactory.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\pajek\PAJEKBuilder.java
    D:\UNI\PROJEKT_VIS2\VIS2\vis\graphio\pajek\PAJEKSerializer.java
meta_graphio:
VIS2\build.xml [240] Could not create task of type: meta due to
java.lang.NoClassDefFoundError
        at org.apache.tools.ant.Project.createTask(Project.java:1134)
        at
org.apache.tools.ant.UnknownElement.makeTask(UnknownElement.java:262)
        at
org.apache.tools.ant.UnknownElement.makeObject(UnknownElement.java:235)
        at
org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:115)
        at org.apache.tools.ant.Task.perform(Task.java:318)
        at org.apache.tools.ant.Target.execute(Target.java:309)
        at org.apache.tools.ant.Target.performTasks(Target.java:336)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1250)
        at
org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:331)
        at
org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:118)
Caused by: java.lang.NoClassDefFoundError
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
sorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
torAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at java.lang.Class.newInstance0(Class.java:308)
        at java.lang.Class.newInstance(Class.java:261)
        at org.apache.tools.ant.Project.createTask(Project.java:1110)
        ... 10 more
--- Nested Exception ---
java.lang.NoClassDefFoundError
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
sorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
torAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at java.lang.Class.newInstance0(Class.java:308)
        at java.lang.Class.newInstance(Class.java:261)
        at org.apache.tools.ant.Project.createTask(Project.java:1110)
        at
org.apache.tools.ant.UnknownElement.makeTask(UnknownElement.java:262)
        at
org.apache.tools.ant.UnknownElement.makeObject(UnknownElement.java:235)
        at
org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:115)
        at org.apache.tools.ant.Task.perform(Task.java:318)
        at org.apache.tools.ant.Target.execute(Target.java:309)
        at org.apache.tools.ant.Target.performTasks(Target.java:336)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1250)
        at
org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:331)
        at
org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:118)
BUILD FAILED
Total time: 0 seconds

Bye Jens



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