hi all,
i have a project that uses wstools to generate wsdl files etc for my EJB exposed as webservices.
I am using jboss-4.0.5GA, and was using jdk 1.5

now, for various reasons i had to move back to JDK 1.4, and now when i run wstools (via maven) with following ant task

<taskdef name="wsclient" classname="org.jboss.ws.tools.ant.wstools">
 <classpath>
 <fileset dir="${jboss.libdir}\client">
 <include name="activation.jar"/>
 <include name="javassist.jar"/>
 <include name="jboss-common-client.jar"/>
 <include name="jbossretro-rt.jar"/>
 <include name="jboss-backport-concurrent.jar"/>
 <include name="jbossws-client.jar"/>
 <include name="jboss-xml-binding.jar"/>
 <include name="concurrent.jar"/>
 <include name="log4j.jar"/>
 <include name="mail.jar"/>
 <include name="wsdl4j.jar"/>

 </fileset>
 <fileset dir="${jboss.libdir}\lib\endorsed">
 <include name="*.jar"/>
 </fileset>

 </classpath>
 </taskdef> -->
 <echo message="**** copying resources ******"/>
 <copy toDir="${project.build.outputDirectory}/resources">
 <fileset dir="ejbModule/resources"/>
 </copy>

 <echo message="********** Running jboss ws **************"/>
 <wstools dest="${project.build.outputDirectory}/META-INF"
 config="${workspace.dir}/middleware/ngenMiddleware/jboss/wstools-messenger-config.xml"/>

i receive the following exception :

[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] org/jboss/ws/tools/ant/wstools (Unsupported major.minor version 49.0)
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.UnsupportedClassVersionError: org/jboss/ws/tools/ant/wstools (Unsuppor
ted major.minor version 49.0)
 at java.lang.ClassLoader.defineClass0(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
 at org.apache.tools.ant.loader.AntClassLoader2.defineClassFromData(AntCl
assLoader2.java:76)
 at org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader
.java:1090)
 at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoa
der.java:1154)
 at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:110
7)
 at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:977
)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
 at java.lang.Class.forName0(Native Method)
 at java.lang.Class.forName(Class.java:219)
 at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:457)

 at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:183)
 at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
 at org.apache.tools.ant.Task.perform(Task.java:364)
 at org.apache.tools.ant.Target.execute(Target.java:341)
 at org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks(AbstractA
ntMojo.java:99)
 at org.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:82)

 at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi
nManager.java:412)
 at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
ultLifecycleExecutor.java:534)
 at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi
fecycle(DefaultLifecycleExecutor.java:475)
 at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau
ltLifecycleExecutor.java:454)
 at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan
dleFailures(DefaultLifecycleExecutor.java:306)
 at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen
ts(DefaultLifecycleExecutor.java:273)
 at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi
fecycleExecutor.java:140)
 at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
 at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
 at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:324)
 at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
 at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
 at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)

 at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

Anyone could tell me how can i make it work with jdk 1.4?

thanks in advance and regards
Marco