Re: unknown reference or circularity in instance dependences detected

Dear Martin,

thanks for your answer. I found out the problem that is exactly as what 
you said.
After I solved this problem, I am able to load xml file into MDR without 
problem. And then I selected some packages that I need and clicked righ 
mouse to try to export them as JMI interfaces. Afterwards one error 
message came: "Exception occurred in Request Processor" (Details is 
shown following)

Now that xml file can already be loaded, why is there still problem?
Thanks again!

Bin


Annotation: Exception occurred in Request Processor
java.lang.NullPointerException
    at 
org.netbeans.lib.jmi.mapping.JavaMapper$ClassContents.<init>(JavaMapper.java:621)
    at 
org.netbeans.lib.jmi.mapping.JavaMapper$ClassContents.<init>(JavaMapper.java:592)
    at 
org.netbeans.lib.jmi.mapping.JavaMapper.getClassContents(JavaMapper.java:587)
    at 
org.netbeans.lib.jmi.mapping.JavaMapper.classInstanceTemplate(JavaMapper.java:548)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:344)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:331)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:335)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:335)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefObject(GenericMapper.java:335)
    at 
org.netbeans.lib.jmi.mapping.GenericMapper.visitRefBaseObject(GenericMapper.java:399)
    at 
org.netbeans.lib.jmi.mapping.JMIMapperImpl.generate(JMIMapperImpl.java:57)
    at 
org.netbeans.modules.mdrexplorer.looks.reflect.actions.Map2JavaAction$1.run(Map2JavaAction.java:75)
    at org.openide.util.Task.run(Task.java:136)
    at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:328)
[catch] at 
org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:670)




Martin Matula wrote:

> The reason for this error usually is that there is xmi.idref element 
> pointing to an object that does not exist. In this case, it seems that 
> there is xmi.idref="String" (something references an object with 
> id="String"), but there seems to be no object defined in the XMI file 
> that would have the xmi.id attribute set to "String".
> Martin
>
> Bin Fu wrote:
>
>> Hi,
>>
>> If I use MDR to process a parsered XML file, following error message 
>> will occur
>> What could be the reason?
>>
>> Bin
>>
>>
>>
>>
>>
>> javax.jmi.xmi.MalformedXMIException: 
>> org.netbeans.lib.jmi.util.DebugException: Unknown reference or 
>> circularity in instance dependences detected, bad reference: String
>>    at 
>> org.netbeans.lib.jmi.xmi.XMISaxReaderImpl.read(XMISaxReaderImpl.java:77)
>>    at 
>> org.netbeans.lib.jmi.xmi.XMISaxReaderImpl.read(XMISaxReaderImpl.java:59)
>>    at 
>> org.netbeans.modules.mdrexplorer.looks.reflect.actions.LoadXMIAction$1.run(LoadXMIAction.java:111) 
>>
>>    at org.openide.util.Task.run(Task.java:136)
>>    at 
>> org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:328)
>> [catch] at 
>> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:670) 
>>
>> ==>
>> Annotation: XMI parsing error at line: 16685: Unknown reference or 
>> circularity in instance dependences detected, bad reference: String
>> org.netbeans.lib.jmi.util.DebugException: Unknown reference or 
>> circularity in instance dependences detected, bad reference: String
>>    at 
>> org.netbeans.lib.jmi.xmi.XmiSAXReader.endElement(XmiSAXReader.java:252)
>>    at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1683)
>>    at org.apache.crimson.parser.Parser2.content(Parser2.java:1926)
>>    at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1654)
>>    at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:634)
>>    at org.apache.crimson.parser.Parser2.parse(Parser2.java:333)
>>    at 
>> org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
>>    at javax.xml.parsers.SAXParser.parse(SAXParser.java:345)
>>    at org.netbeans.lib.jmi.xmi.XmiSAXReader.read(XmiSAXReader.java:118)
>>    at org.netbeans.lib.jmi.xmi.XmiSAXReader.read(XmiSAXReader.java:99)
>>    at 
>> org.netbeans.lib.jmi.xmi.XMISaxReaderImpl.read(XMISaxReaderImpl.java:71)
>>    at 
>> org.netbeans.lib.jmi.xmi.XMISaxReaderImpl.read(XMISaxReaderImpl.java:59)
>>    at 
>> org.netbeans.modules.mdrexplorer.looks.reflect.actions.LoadXMIAction$1.run(LoadXMIAction.java:111) 
>>
>>    at org.openide.util.Task.run(Task.java:136)
>>    at 
>> org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:328)
>> [catch] at 
>> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:670) 
>>
>> ==>
>> org.netbeans.lib.jmi.util.DebugException: Unknown reference or 
>> circularity in instance dependences detected, bad reference: String
>>    at 
>> org.netbeans.lib.jmi.xmi.XmiElement$Content.endElement(XmiElement.java:395) 
>>
>>    at 
>> org.netbeans.lib.jmi.xmi.XmiSAXReader.endElement(XmiSAXReader.java:240)
>>    at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1683)
>>    at org.apache.crimson.parser.Parser2.content(Parser2.java:1926)
>>    at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1654)
>>    at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:634)
>>    at org.apache.crimson.parser.Parser2.parse(Parser2.java:333)
>>    at 
>> org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
>>    at javax.xml.parsers.SAXParser.parse(SAXParser.java:345)
>>    at org.netbeans.lib.jmi.xmi.XmiSAXReader.read(XmiSAXReader.java:118)
>>    at org.netbeans.lib.jmi.xmi.XmiSAXReader.read(XmiSAXReader.java:99)
>>    at 
>> org.netbeans.lib.jmi.xmi.XMISaxReaderImpl.read(XMISaxReaderImpl.java:71)
>>    at 
>> org.netbeans.lib.jmi.xmi.XMISaxReaderImpl.read(XMISaxReaderImpl.java:59)
>>    at 
>> org.netbeans.modules.mdrexplorer.looks.reflect.actions.LoadXMIAction$1.run(LoadXMIAction.java:111) 
>>
>>    at org.openide.util.Task.run(Task.java:136)
>>    at 
>> org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:328)
>> [catch] at 
>> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:670) 
>>
>> ==>
>>
>>
>
>
>