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--------------------------------------------------------------------- View the issue: http://issues.apache.org/jira/browse/HIVEMIND-60 Here is an overview of the issue: --------------------------------------------------------------------- Key: HIVEMIND-60 Summary: ServiceObjectProvider passes null ServiceInterface parameter when retrieving Service Type: Bug Status: Unassigned Priority: Major Project: HiveMind Components: framework Versions: 1.0 Assignee: Reporter: Trent McClenahan Created: Mon, 27 Sep 2004 5:59 PM Updated: Mon, 27 Sep 2004 5:59 PM Description: I raised this bug before, however it was closed, but the bug still exists in release 1.0. I can work around this by providing my own service provider, but this seems like a pretty serious bug, basically it means that the service object provider always fails. I'm adding some extra description... This bug means that the service object provider throws NullPointerExceptions! Here is the stack where the error is occuring: Caused by: java.lang.NullPointerException at org.apache.hivemind.impl.ServicePointImpl.getService(ServicePointImpl.java:186) at org.apache.hivemind.impl.RegistryImpl.getService(RegistryImpl.java:151) at org.apache.hivemind.impl.ModuleImpl.getService(ModuleImpl.java:60) at org.apache.hivemind.service.impl.ServiceObjectProvider.provideObject(ServiceObjectProvider.java:39) As you can see from line 186 in ServicePointImpl, serviceInterface is null: 186 if (!serviceInterface.isAssignableFrom(result.getClass())) Its a pretty easy fix, currently the ServiceObjectProvider returns: return contributingModule.getService(locator, propertyType); However, propertyType is null, and therefore causes a NullPointerException to be raised when the service retrieved is checked for assignment compatibility against its service interface. The fix is to do as the ServiceTranslator does: return contributingModule.getService( inputValue, propertyType == null ? Object.class : propertyType); This ensures that no null service interface is passed through. Cheers, Trent. --------------------------------------------------------------------- JIRA INFORMATION: This message is automatically generated by JIRA. If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa If you want more information on JIRA, or have a bug to report see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
