java连接cognos问题

java访问Cognos。
在sunJDK环境下能够访问cognos，换成IBMjdk就报空指针
AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
 faultSubcode:
 faultString: java.lang.NullPointerException
 faultActor:
 faultNode:
 faultDetail:
        {http://xml.apache.org/axis/}stackTrace:java.lang.NullPointerException
        at java.security.SecureRandom.nextBytes(SecureRandom.java:430)
        at org.apache.axis.utils.SessionUtils.generateSessionId(SessionUtils.java:62)
        at org.apache.axis.SOAPPart.<init>(SOAPPart.java:166)
        at org.apache.axis.Message.setup(Message.java:377)
        at org.apache.axis.Message.<init>(Message.java:246)
        at org.apache.axis.client.Call.invoke(Call.java:2425)
        at org.apache.axis.client.Call.invoke(Call.java:2366)
        at org.apache.axis.client.Call.invoke(Call.java:1812)
        at com.cognos.developer.schemas.bibus._3.ContentManagerServiceStub.logon(ContentManagerServiceStub.java:6847)
        at com.primeton.dgs.extractor.adapter.cognos.webService.impl.CognosConnector83.login(CognosConnector83.java:164)
        at com.primeton.dgs.extractor.adapter.cognos.webService.impl.CognosConnector83.connectByWS(CognosConnector83.java:80)
        at com.primeton.dgs.extractor.server.adapter.support.impl.CognosConnectionTest.testConnect(CognosConnectionTest.java:34)
        at com.primeton.dgs.extractor.server.control.impl.ExtractorRemoteImpl.testConnect(ExtractorRemoteImpl.java:267)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:615)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
        at org.springframework.remoting.support.RemoteInvocationTraceInterceptor.invoke(RemoteInvocationTraceInterceptor.java:70)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
        at $Proxy0.testConnect(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:615)
        at org.springframework.remoting.support.RemoteInvocation.invoke(RemoteInvocation.java:205)
        at org.springframework.remoting.support.DefaultRemoteInvocationExecutor.invoke(DefaultRemoteInvocationExecutor.java:38)
        at org.springframework.remoting.support.RemoteInvocationBasedExporter.invoke(RemoteInvocationBasedExporter.java:78)
        at org.springframework.remoting.rmi.RmiBasedExporter.invoke(RmiBasedExporter.java:72)
        at org.springframework.remoting.rmi.RmiInvocationWrapper.invoke(RmiInvocationWrapper.java:72)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:615)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:309)
        at sun.rmi.transport.Transport$1.run(Transport.java:168)
        at java.security.AccessController.doPrivileged(AccessController.java:274)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:164)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:506)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.handleRequest(TCPTransport.java:838)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:912)
        at java.lang.Thread.run(Thread.java:797)

补充：Java ,  Java EE