jdeveloper 10.1.3.5 bpel deploy error

if you compile bpel proccess with jdeveloper environment , you could get the following error. To pass this error , you can decrease your jdeveloper version, or you can compile your source with ant build file.

Process "SimpleTest" (revision "1.0") successfully compiled.
<2010-06-23 11:27:09,280>   
java.lang.NumberFormatException: null
        at java.lang.Long.parseLong(Long.java:372)
        at java.lang.Long.parseLong(Long.java:461)
        at com.collaxa.cube.rm.suitcase.SuitcaseDescriptor.getTimestamp(SuitcaseDescriptor.java:117)
        at com.collaxa.cube.engine.deployment.CubeProcessFactory.loadProcess(CubeProcessFactory.java:154)
        at com.collaxa.cube.engine.deployment.CubeProcessFactory.create(CubeProcessFactory.java:67)
        at com.collaxa.cube.engine.deployment.CubeProcessLoader.create(CubeProcessLoader.java:174)
        at com.collaxa.cube.engine.deployment.DeploymentManager.deployProcess(DeploymentManager.java:943)
        at com.collaxa.cube.engine.deployment.DeploymentManager.deploySuitcase(DeploymentManager.java:821)
        at com.collaxa.cube.ejb.impl.BPELDomainManagerBean.deploySuitcase(BPELDomainManagerBean.java:456)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at com.evermind.server.ejb.interceptor.joinpoint.EJBJoinPointImpl.invoke(EJBJoinPointImpl.java:35)
        at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:119)
        at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
        at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:119)
        at com.evermind.server.ejb.interceptor.system.JAASInterceptor$1.run(JAASInterceptor.java:31)
        at com.evermind.server.ThreadState.runAs(ThreadState.java:693)