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https://issues.apache.org/jira/browse/COCOON-2148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12545394
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Andreas Hartmann commented on COCOON-2148:
------------------------------------------

The SVGSerializer fails with Batik 1.7 beta 1 because 
SAXDocumentFactory.startElement() now contains a block which depends on the 
parser (which is not initialized and causes an NPE):


        if (inProlog) {
            inProlog = false;
            try {
                isStandalone = parser.getFeature
                    ("http://xml.org/sax/features/is-standalone";);
            } catch (SAXNotRecognizedException ex) {
            }
            try {
                xmlVersion = (String) parser.getProperty
                    ("http://xml.org/sax/properties/document-xml-version";);
            } catch (SAXNotRecognizedException ex) {
            }
        }


> SourceProtocolHandler causes NPE
> --------------------------------
>
>                 Key: COCOON-2148
>                 URL: https://issues.apache.org/jira/browse/COCOON-2148
>             Project: Cocoon
>          Issue Type: Bug
>          Components: Blocks: Batik
>    Affects Versions: 2.1.11-dev (Current SVN)
>            Reporter: Andreas Hartmann
>         Attachments: patch-issue2148.txt
>
>
> I used an action to pass the current source resolver to the 
> SourceProtocolHandler, but this resulted in an NPE because the URI of the 
> TranscoderInput object was null. After I applied a little patch to the 
> SourceProtocolHandler which enabled the fallback to the default handler if 
> the URL to resolve is null, it worked. 

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