Some problem with the Subversion plugin perhaps?
--- Begin Message ---
See <https://hudson.apache.org/hudson/job/Ant_JDK_1.4/419/>
------------------------------------------
Started by an SCM change
Building remotely on ubuntu1
FATAL: cannot assign instance of hudson.model.StreamBuildListener to field
hudson.scm.subversion.WorkspaceUpdater$UpdateTask.listener of type
hudson.model.TaskListener in instance of hudson.scm.SubversionSCM$CheckOutTask
java.lang.ClassCastException: cannot assign instance of
hudson.model.StreamBuildListener to field
hudson.scm.subversion.WorkspaceUpdater$UpdateTask.listener of type
hudson.model.TaskListener in instance of hudson.scm.SubversionSCM$CheckOutTask
at
java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2056)
at
java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1229)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1969)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
at hudson.remoting.UserRequest.deserialize(UserRequest.java:178)
at hudson.remoting.UserRequest.perform(UserRequest.java:98)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:270)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
--- End Message ---
