Re: Publishing area tree XML fails

Thanks Dave, I'll keep this info in mind. In the meantime I have tried 
the FOP "intermediate format" (IF) instead of the area tree, and I find 
I can export that, change it, and then read it in and publish it with no 
problems.

Mark

On 6/27/2023 1:29 AM, Dave Roxburgh wrote:
> Hi Mark,
>
> It might help narrow down on the issue if you tried an alternative JDK 
> - I'd suggest Temurin jdk-11
>
> It might also be a good time to update to the latest FOP version.
>
> I've tried what you're attempting to do on Temurin 11 / FOP main 
> branch and I had no issues.
>
> Regards,
> Dave
> ------------------------------------------------------------------------
> *From:* Mark Giffin <[email protected]>
> *Sent:* 26 June 2023 07:57
> *To:* [email protected] <[email protected]>
> *Subject:* Publishing area tree XML fails
> I'm using FOP 2.4 on ubuntu. I create an area tree XML file on the
> command line with this:
>
> fop -s topic.fo -at area_tree.xml
>
> This works fine. I plan to make some changes and read it in, then
> publish to PDF.
>
> I am trying to read it in and I don't know what to expect, or how to
> publish out to PDF. The docs do not go into this, that I can find. I get
> failure when I run the command below intended to produce a PDF called
> aaa.pdf:
>
> fop -atin area_tree.xml aaa.pdf
> [warning] /usr/bin/fop: JVM flavor 'sun' not understood
> [ERROR] FOP - Exception <org.apache.fop.apps.FOPException:
> java.util.EmptyStackException
> java.util.EmptyStackException>org.apache.fop.apps.FOPException:
> java.util.EmptyStackException
> java.util.EmptyStackException
>          at
> org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:296)
>          at
> org.apache.fop.cli.AreaTreeInputHandler.renderTo(AreaTreeInputHandler.java:75)
>          at org.apache.fop.cli.Main.startFOP(Main.java:183)
>          at org.apache.fop.cli.Main.main(Main.java:214)
> Caused by: java.util.EmptyStackException
>          at java.base/java.util.Stack.peek(Stack.java:102)
>          at
> org.apache.fop.area.AreaTreeParser$Handler.handleExternallyGeneratedObject(AreaTreeParser.java:1089)
> etc.
>
> Any ideas?
>
> Thanks,
> Mark
>
>
>
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