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https://issues.apache.org/jira/browse/TUSCANY-1681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Kurz updated TUSCANY-1681:
--------------------------------
Attachment: 1681.patch
Well, let me push the issue a bit by at least submitting a patch to return null
from each of the transformers:
XMLStreamReader2DataObject and DataObject2XMLStreamReader
upon passing a null 'source' as input.
I'm not sure if an alternative solution would be to, say, have
DataObject2XMLStreamReader pass back a XMLStreamReader
upon receiving a 'null' DataObject as input, in which case we could probably
remove this change to XMLStreamReader2DataObject .
And it's conceivable the SDO impl should be changed to handle passing a null
SDO into
XMLHelper.createDocument() and to pass back such a non-null XMLStreamReader in
such a case.
> DataObject2XMLStreamReader can't handle a null (or could this be an SDO bug??)
> ------------------------------------------------------------------------------
>
> Key: TUSCANY-1681
> URL: https://issues.apache.org/jira/browse/TUSCANY-1681
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Data Binding Runtime
> Reporter: Scott Kurz
> Fix For: Java-SCA-Next
>
> Attachments: 1681.patch
>
>
> When passing a null object into DataObject2XMLStreamReader I hit a NPE:
> java.lang.NullPointerException
> at
> org.apache.tuscany.sdo.util.resource.DataObjectXMLStreamReader.populateProperties(DataObjectXMLStreamReader.java:277)
> at
> org.apache.tuscany.sdo.util.resource.DataObjectXMLStreamReader.<init>(DataObjectXMLStreamReader.java:116)
> at
> org.apache.tuscany.sdo.util.resource.DataObjectXMLStreamReader.<init>(DataObjectXMLStreamReader.java:104)
> at
> org.apache.tuscany.sdo.helper.XMLStreamHelperImpl.createXMLStreamReader(XMLStreamHelperImpl.java:80)
> at
> org.apache.tuscany.sca.databinding.sdo.DataObject2XMLStreamReader.transform(DataObject2XMLStreamReader.java:48)
> at
> org.apache.tuscany.sca.databinding.sdo.DataObject2XMLStreamReader.transform(DataObject2XMLStreamReader.java:37)
> at
> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediate(MediatorImpl.java:77)
> This is either:
> * a bug in this specific transformer (my guess)
> * a bug in SDO (I'm guessing not)
> * a bug in the Tuscany databinding framework which should special case nulls
> (I'd think we might want to let transforms decide on their own how to handle
> null?)
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