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https://issues.apache.org/jira/browse/WSS-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13027537#comment-13027537
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Jeremy Tadman commented on WSS-273:
-----------------------------------

Actually Pär-Johan's approach *does* solve the problem. But only as long as 
these calls are done before the signing process is started. Rather than doing 
that I had modified the implementation of WSSConfig.init() (naughty, I know). 
This caused it to fail in the above manner, but only the first time a token was 
generated. After that it worked. Perhaps WSSConfig.init() is called a little 
later than it is needed?

Unfortunately, there is another exception which I am getting after restarting 
the application (without restarting the server). 

I am investigating what the difference is between executions.

[5/2/11 13:14:33:828 EST] 0000001f SystemErr     R 
org.apache.ws.security.WSSecurityException: Signature creation failed; nested 
exception is: 
        javax.xml.crypto.dsig.XMLSignatureException: 
javax.xml.crypto.dsig.TransformException: 
javax.xml.crypto.dsig.TransformException: java.lang.ClassCastException: 
org.jcp.xml.dsig.internal.dom.DOMSubTreeData incompatible with 
javax.xml.crypto.OctetStreamData
[5/2/11 13:14:33:828 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.saml.WSSecSignatureSAML.computeSignature(WSSecSignatureSAML.java:530)
[5/2/11 13:14:33:828 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.saml.WSSecSignatureSAML.build(WSSecSignatureSAML.java:155)

..... spring stuff....

[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R Caused by: 
javax.xml.crypto.dsig.XMLSignatureException: 
javax.xml.crypto.dsig.TransformException: 
javax.xml.crypto.dsig.TransformException: java.lang.ClassCastException: 
org.jcp.xml.dsig.internal.dom.DOMSubTreeData incompatible with 
javax.xml.crypto.OctetStreamData
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.jcp.xml.dsig.internal.dom.DOMReference.transform(Unknown Source)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.jcp.xml.dsig.internal.dom.DOMReference.digest(Unknown Source)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.jcp.xml.dsig.internal.dom.DOMXMLSignature.digestReference(Unknown Source)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.jcp.xml.dsig.internal.dom.DOMXMLSignature.sign(Unknown Source)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.saml.WSSecSignatureSAML.computeSignature(WSSecSignatureSAML.java:525)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      ... 64 more
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R Caused by: 
javax.xml.crypto.dsig.TransformException: 
javax.xml.crypto.dsig.TransformException: java.lang.ClassCastException: 
org.jcp.xml.dsig.internal.dom.DOMSubTreeData incompatible with 
javax.xml.crypto.OctetStreamData
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.transform.STRTransform.transformIt(STRTransform.java:267)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.transform.STRTransform.transform(STRTransform.java:122)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.jcp.xml.dsig.internal.dom.DOMTransform.transform(Unknown Source)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      ... 69 more
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R Caused by: 
javax.xml.crypto.dsig.TransformException: java.lang.ClassCastException: 
org.jcp.xml.dsig.internal.dom.DOMSubTreeData incompatible with 
javax.xml.crypto.OctetStreamData
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.transform.STRTransform.transformIt(STRTransform.java:163)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      ... 71 more
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R Caused by: 
java.lang.ClassCastException: org.jcp.xml.dsig.internal.dom.DOMSubTreeData 
incompatible with javax.xml.crypto.OctetStreamData
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      at 
org.apache.ws.security.transform.STRTransform.transformIt(STRTransform.java:161)
[5/2/11 13:14:33:844 EST] 0000001f SystemErr     R      ... 71 more

> org.apache.ws.security.transform.STRTransform causes ClassCastException when 
> wss4j is running on IBM 1.6 JVM 
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: WSS-273
>                 URL: https://issues.apache.org/jira/browse/WSS-273
>             Project: WSS4J
>          Issue Type: Bug
>          Components: WSS4J Core
>    Affects Versions: 1.6
>         Environment: Windows XP, IBM 1.6 JVM
>            Reporter: Pär-Johan Lif
>            Assignee: Colm O hEigeartaigh
>
> I have tried to use wss4j1.6 (alpha version) on IBM's 1.6 JVM. It works fine, 
> except for when we are getting a SOAP-message where an STRTransform is used.
> Then we get the following exception below.  (I should mention that it works 
> on SUN's 1.6 JVM).
> java.lang.ClassCastException: org.apache.ws.security.transform.STRTransform 
> incompatible with com.ibm.xml.crypto.dsig.dom.transform.TransformBase
>       at 
> com.ibm.xml.crypto.dsig.dom.Unmarshalling.unmarshalTransform(Unmarshalling.java:446)
>       at 
> com.ibm.xml.crypto.dsig.dom.Unmarshalling.unmarshalTransforms(Unmarshalling.java:422)
>       at 
> com.ibm.xml.crypto.dsig.dom.Unmarshalling.unmarshalReference(Unmarshalling.java:358)
>       at 
> com.ibm.xml.crypto.dsig.dom.Unmarshalling.unmarshalSignedInfo(Unmarshalling.java:272)
>       at 
> com.ibm.xml.crypto.dsig.dom.Unmarshalling.unmarshalSignature(Unmarshalling.java:196)
>       at 
> com.ibm.xml.crypto.dsig.dom.Unmarshalling.unmarshal(Unmarshalling.java:96)
>       at 
> com.ibm.xml.crypto.dsig.dom.FactoryImpl.unmarshalXMLSignature(FactoryImpl.java:217)
>       at 
> org.apache.ws.security.processor.SignatureProcessor.verifyXMLSignature(SignatureProcessor.java:323)
>       at 
> org.apache.ws.security.processor.SignatureProcessor.handleToken(SignatureProcessor.java:165)
>       at 
> org.apache.ws.security.WSSecurityEngine.processSecurityHeader(WSSecurityEngine.java:303)
>       at 
> org.apache.ws.security.WSSecurityEngine.processSecurityHeader(WSSecurityEngine.java:231)
>       at 
> org.apache.ws.security.WSSecurityEngine.processSecurityHeader(WSSecurityEngine.java:185)

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