dods task

I'm having problems getting the dods task to work. As far as I can tell I've 
got all the correct jar files in the classpath. I'm probably missing something 
very simple. Any help would be appreciated...

BUILD FAILED
java.lang.NoSuchMethodError: 
org.enhydra.dods.generator.DODSGenerator.generateAll(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZZZ)I
        at org.enhydra.ant.taskdefs.Dods.execute(Unknown Source)
        at org.apache.tools.ant.Task.perform(Task.java:317)
        at org.apache.tools.ant.Target.execute(Target.java:309)
        at org.apache.tools.ant.Target.performTasks(Target.java:334)
        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.Main.runBuild(Main.java:610)
        at org.apache.tools.ant.Main.start(Main.java:196)
        at org.apache.tools.ant.Main.main(Main.java:235)

Total time: 2 seconds
java.lang.NoSuchMethodError: 
org.enhydra.dods.generator.DODSGenerator.generateAll(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZZZ)I
        at org.enhydra.ant.taskdefs.Dods.execute(Unknown Source)
        at org.apache.tools.ant.Task.perform(Task.java:317)
        at org.apache.tools.ant.Target.execute(Target.java:309)
        at org.apache.tools.ant.Target.performTasks(Target.java:334)
        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.Main.runBuild(Main.java:610)
        at org.apache.tools.ant.Main.start(Main.java:196)
        at org.apache.tools.ant.Main.main(Main.java:235)
org.enhydra.dods.generator.DODSGenerator.generateAll(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZZZZ)I


Thanks,
Jeremy