'File does not exist' exception when running integrations test.

The error in the server.log as following:
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2010-03-02 09:31:39,171 INFO [org.jboss.bootstrap.microcontainer.ServerImpl] (main) JBoss (Microcontainer) [5.1.0.GA (build: SVNTag=JBoss_5_1_0_GA date=200905221634)] Started in 4m:24s:854ms
2010-03-02 09:33:52,349 INFO [org.jboss.deployment.MainDeployer] (RMI TCP Connection(7)-127.0.0.1) deploy, url=file:/mnt/hudson_workspace/workspace/RiftSaw/riftsaw/integration-tests/target/tests/Quickstart_bpel_simple_correlation/Quickstart_bpel_simple_correlation-1.jar
2010-03-02 09:33:52,424 INFO [org.jboss.soa.bpel.deployer.BPELDeployer] (RMI TCP Connection(7)-127.0.0.1) Deploy: Quickstart_bpel_simple_correlation-1.jar relativePath=bpel-deploy.xml
2010-03-02 09:33:52,588 INFO [org.apache.ode.store.ProcessStoreImpl] (Thread-20) Starting deployment of processes from directory "/mnt/hudson_workspace/workspace/RiftSaw/riftsaw-2.0-CR2/jboss-5.1.0.GA/server/default/tmp/ag2hq-6ret6l-g6aslyu1-1-g6asuh4y-bp/Quickstart_bpel_simple_correlation-1.jar".
2010-03-02 09:33:57,004 INFO [org.apache.ode.bpel.compiler.BpelC] (Thread-20) info: [CompilingProcess] Compiling BPEL process.
2010-03-02 09:34:04,667 INFO [org.jboss.soa.bpel.deployer.BPELDeployer] (RMI TCP Connection(7)-127.0.0.1) Undeploy: Quickstart_bpel_simple_correlation-1.jar relativePath=bpel-deploy.xml
2010-03-02 09:34:50,647 ERROR [org.apache.ode.store.DeploymentUnitDir] (Thread-20) Compile error in /mnt/hudson_workspace/workspace/RiftSaw/riftsaw-2.0-CR2/jboss-5.1.0.GA/server/default/tmp/ag2hq-6ret6l-g6aslyu1-1-g6asuh4y-bp/Quickstart_bpel_simple_correlation-1.jar/HelloGoodbye.bpel
java.io.FileNotFoundException: /mnt/hudson_workspace/workspace/RiftSaw/riftsaw-2.0-CR2/jboss-5.1.0.GA/server/default/tmp/ag2hq-6ret6l-g6aslyu1-1-g6asuh4y-bp/Quickstart_bpel_simple_correlation-1.jar/HelloGoodbye.cbp (No such file or directory)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
at java.io.FileOutputStream.<init>(FileOutputStream.java:70)
at org.apache.ode.bpel.compiler.BpelC.compile(BpelC.java:272)
at org.apache.ode.bpel.compiler.BpelC.compile(BpelC.java:333)
at org.apache.ode.store.DeploymentUnitDir$5.run(DeploymentUnitDir.java:185)
at org.apache.ode.utils.InternPool.runBlock(InternPool.java:57)
at org.apache.ode.store.DeploymentUnitDir.compile(DeploymentUnitDir.java:182)
at org.apache.ode.store.DeploymentUnitDir.compile(DeploymentUnitDir.java:146)
at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:187)
at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:169)
at org.apache.ode.store.RiftSawProcessStore$DeployScheduler.doDeploy(RiftSawProcessStore.java:173)
at org.apache.ode.store.RiftSawProcessStore$DeployScheduler.run(RiftSawProcessStore.java:102)
2010-03-02 09:34:50,649 ERROR [org.apache.ode.store.RiftSawProcessStore] (Thread-20) Unknown error
java.lang.IllegalArgumentException: File does not exist!
at org.apache.ode.utils.fs.FileUtils.directoryEntriesInPath(FileUtils.java:142)
at org.apache.ode.store.DeploymentUnitDir.scan(DeploymentUnitDir.java:152)
at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:194)
at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:169)
at org.apache.ode.store.RiftSawProcessStore$DeployScheduler.doDeploy(RiftSawProcessStore.java:173)
at org.apache.ode.store.RiftSawProcessStore$DeployScheduler.run(RiftSawProcessStore.java:102)