| Summary | Trying to send a null string in Orbix 6.3 java results in null pointer exception |
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| Article Number | 13694 |
| Environment | All Supported Operating Systems Orbix Java Runtime Orbix 6.3.3 |
| Question/Problem Description | Trying to send a null string in Orbix 6.3 java results in null pointer exception Orbix process throws NPE despite of setting plugins:codeset:interop_allow_null_strings to true in order to allow null strings to be marshaled Unable to marshal null strings for bounded string IDL definitions Detailed exception is: 11:59:12 10/07/2009 [_it_orb_id_1@florast/135.21.52.72] (IT_POA:103) W - native exception caught during dispatch by SampleCorbaServerServer_poa : java.lang.NullPointerException at SampleCorbaServer.EventDateHelper.write(EventDateHelper.java:100) at SampleCorbaServer.EventDateListHelper.write(EventDateListHelper.java:86) at SampleCorbaServer.EventSvcPOA._getDates_static(EventSvcPOA.java:66) 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:324) at SampleCorbaServer.EventSvcPOA._invoke(EventSvcPOA.java:29) at com.iona.corba.poa.SimpleRequestInterceptor.dispatch_request(Unknown Source) at com.iona.corba.poa.SimpleRequestInterceptor.invoke(Unknown Source) at com.iona.corba.poa.AsynchRequestItem.execute(Unknown Source) at com.iona.corba.art.workqueue.ManualWorkQueueImpl.do_one_job(Unknown Source) at com.iona.corba.art.workqueue.ManualWorkQueueImpl.do_work(Unknown Source) at com.iona.corba.art.artimpl.ORBDelegate.run(Unknown Source) at com.iona.corba.art.artimpl.ORBImpl.run(Unknown Source) at test.SampleCorbaServerServer.main(SampleCorbaServerServer.java:127) |
| Clarifying Information | |
| Error Message | |
| Defect/Enhancement Number | ORB-1674 |
| Cause | There is a problem in the implementation of the plugins:codeset:interop_allow_null_strings variable. Even if the variable is set to true, passing bounded IDL string definitions will cause an Orbix 6.3 java application to throw a null pointer exception in the IDL generated code |
| Resolution | None at this time There are two possible workarounds to this problem: 1) Make a change in the java code to return or send empty strings ("") as opposed to null strings 2) Make a change in the IDL contract to remove length restrictions for bounded strings |
| Workaround | |
| Notes | |
| Attachment |
| Created date: | 06 September 2011 |
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| Last Modified: | 13 February 2013 |
| Last Published: | 23 June 2012 |
| First Published date: | 09 September 2011 |
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