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Encountered this while trying to pull objects out of the Bandana database for Confluence:
com.thoughtworks.xstream.converters.reflection.[ObjectAccessException]: Could not get field class java.lang.reflect.Field.developerKey : null
at com.thoughtworks.xstream.converters.reflection.[PureJavaReflectionProvider].visitSerializableFields([PureJavaReflectionProvider].java:110)
caused by: java.lang.[IllegalArgumentException]
at sun.reflect.[UnsafeFieldAccessorImpl].ensureObj(Unknown Source)
Solution seems to be to create a fresh XStream object just before using fromXML.
References
- http://confluence.atlassian.com/display/DOC/Persistence+in+Confluence
- http://weblogs.java.net/blog/kirillcool/archive/2005/08/reflection_and.html
- http://osdir.com/ml/java.xstream.devel/2004-07/msg00013.html
Here is more of the error:
Stack Trace: [hide] com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Could not get field class java.lang.reflect.Field.developerKey : null at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:110) at com.thoughtworks.xstream.converters.reflection.ReflectionConverter.marshal(ReflectionConverter.java:44) at com.thoughtworks.xstream.core.ReferenceByXPathMarshaller.convertAnother(ReferenceByXPathMarshaller.java:36) at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:46) at com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.marshal(ReferenceByXPathMarshallingStrategy.java:17) at com.thoughtworks.xstream.XStream.marshal(XStream.java:489) at com.thoughtworks.xstream.XStream.marshal(XStream.java:479) at com.thoughtworks.xstream.XStream.toXML(XStream.java:464) at com.atlassian.confluence.extra.amazon.EditDevKeyAction.setAmazonInformation(EditDevKeyAction.java:43) at com.atlassian.confluence.extra.amazon.EditDevKeyAction.execute(EditDevKeyAction.java:120) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) at com.atlassian.confluence.util.LoggingContextInterceptor.intercept(LoggingContextInterceptor.java:48)
