Werner-
The simultaneous use of any auto-naming attribute and the location
attribute was a known problem several versions ago (I first ran into it
in 0.9.5.4 and I think it persisted in 0.9.6), but I'm not sure of the
current status.
A jira search comes up with lots of hits, but most of the situations are
slightly different, so it's hard to nail down this exact problem. I
also found several hits on the list archives, and Keith has been in on
several of the conversations, so he might have the best idea of what is
going on currently.
In the past I just had to change my mapping to work around the problem.
Sorry I can't be more help.
Stephen
Werner Guttmann wrote:
Hi,
Does anybody know whether Castor XML has problems with the simultaneous
use of auto-derive="byClassName" and the location attribute ? In a class
mapping, I have the following field mapping:
<field name="bets" type="com.betandwin.abp.entity.bet.PlaceableBet"
collection="collection">
<bind-xml auto-naming="deriveByClass" location="bets"/>
</field>
When trying to unmarshall anything really simple, I get an exception
such as
unable to find FieldDescriptor for 'win' in ClassDescriptor of
bets{file: [not available]; line: 1; column: 122}
at
org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:671)
at
com.betandwin.servlet.TestBetSlipXML.testSimpleBetSlip(TestBetSlipXML.ja
va:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTe
stRunner.java:478)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRun
ner.java:344)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRu
nner.java:196)
Caused by: org.xml.sax.SAXException: unable to find FieldDescriptor for
'win' in ClassDescriptor of bets
at
org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.jav
a:1940)
at
org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.jav
a:1388)
at
org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(U
nknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis
patcher.dispatch(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unkno
wn Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
at
org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:657)
... 16 more
Caused by: org.xml.sax.SAXException: unable to find FieldDescriptor for
'win' in ClassDescriptor of bets
at
org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.jav
a:1940)
at
org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.jav
a:1388)
at
org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(U
nknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis
patcher.dispatch(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unkno
wn Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
at
org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:657)
at
com.betandwin.servlet.TestBetSlipXML.testSimpleBetSlip(TestBetSlipXML.ja
va:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTe
stRunner.java:478)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRun
ner.java:344)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRu
nner.java:196)
When changing above field mapping to
<field name="bets" type="com.betandwin.abp.entity.bet.PlaceableBet"
collection="collection">
<bind-xml auto-naming="deriveByClass" />
</field>
The exception is not thrown anymore, and Castor is successful in
unmarshalling what it previously marshalled.
Any idea what's going wrong ?
Thanks
Werner
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