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https://issues.apache.org/jira/browse/FOP-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14616452#comment-14616452
 ] 

MH commented on FOP-2495:
-------------------------

The missing foUserAgent.setBaseURL() (or setBaseURI()) is a major problem! Even 
calling it on the factory builder:

fopFactoryBuilder.setBaseURI(uriBase); //since FOP 2.0

is not enough: "IllegalStateException: The final FOP Factory configuration has 
already been built"

I have to setup complete FOP for each single document to get things working:

-----------------------
    /**
     * Set current base directory.
     *
     * @param defaultBase URI to default base directory (e.g. ".", 
"file:/K:/reports/xml/fonts/")
     * @param currentBase URI to current working directory (e.g. 
"file:///C:/Temp/").
     * @param resolver Optional custom resolver.
     * @throws Exception on error.
     */
    public final void setupFOP(final URI defaultBase, final URI currentBase, 
final ResourceResolver resolver) throws Exception {
        if (fopConfig != null) {
            if (resolver != null) {
                fopFactoryBuilder = new FopFactoryBuilder(defaultBase, 
resolver);
            } else {
                fopFactoryBuilder = new FopFactoryBuilder(defaultBase);
            }

            fopFactoryBuilder.setConfiguration(fopConfig);
            fopFactoryBuilder.setBaseURI(currentBase); //since FOP 2.0
            //builder.setStrictFOValidation(false);
            fopFactory = fopFactoryBuilder.build();
        } else {
            fopFactory = FopFactory.newInstance(currentBase);
        }
        foUserAgent = fopFactory.newFOUserAgent();
    }//setupFOP()
------------------------------

only to replace FOP 1.0 foUserAgent.setBaseURL() ... :-(

> Embedding: missing migration documentation from FOP 1.x
> -------------------------------------------------------
>
>                 Key: FOP-2495
>                 URL: https://issues.apache.org/jira/browse/FOP-2495
>             Project: FOP
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 2.0
>         Environment: WIndows, Java 8, FOP 1.0
>            Reporter: MH
>            Priority: Blocker
>              Labels: documentation
>
> Because of bug FOP-2177 we couldn't upgrade form FOP 1.0 to FOP 1.1. FOP 2.0 
> has solved this bug (tested with standalone FOP scripts).
> Now we would like to upgrade our Java code from FOP 1.0 to FOP 2.0. The 
> Upgrading page (https://xmlgraphics.apache.org/fop/2.0/upgrading.html) says 
> "You should encounter very few issues in upgrading from FOP 1.0, except as 
> noted in the following: ...". The truth is completely different: starting by 
> replacing fop.jar, our code gets dozens of compiler errors! Many methods are 
> simply gone:
> FopFactory.newInstance()
> FoUserAgent.setBaseURL(String);
> FopFactory.getFontManager().setFontBaseURL(String)
> FopFactory.setURIResolver(URIResolver);
> etc.
> The javadocs from 1.1 to 2.0 simple changed - no deprecated methods, no hints 
> how to replace old methods.
> The FOP 2.0 embedding page 
> (https://xmlgraphics.apache.org/fop/2.0/embedding.html) just shows simple 
> examples to start from the ground. I can't find any migration help how to 
> replace old code. 
> E.g. how can I set the font base? 
> FopFactory.getFontManager().setFontBaseURL(String) is gone and I can't find 
> any equivalent code for FOP 2.0!
> This is a major bug in FOP 2.0 as API changes are not documented to upgrade 
> from FOP 1.x Java API to FOP 2.0!
> Now I just can search and try and experiment if I get our old code somehow 
> running with all those undocumented API changes. Can you please state a 
> migration documentation for all methods (method signatures) that don't exist 
> anymore? We can't start coding all over again from scratch. Thank you very 
> much!



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