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Date: Wed, 5 Nov 2008 08:04:26 -0800 (PST)
From: Ronald McDonald <dbraband@gmail.com>
To: fop-users@xmlgraphics.apache.org
Subject: Error while processing xml and xslt files to pdf
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Hello,

I'd like to produce a pdf file with fop from an xml with a xslt file using
the following command:

fop -c fopconf.xconf -xml my.xml -xsl my.xsl -pdf my.pdf

Mac OS X with fop installed via ports does everything right, I get the
expected result as a pdf. But using the same command on a remote debian
system, i get the following error:

"(.:XXXXX): Gtk-WARNING **: cannot open display:"

Where "XXXXX" semms to be a random number that changes on every call.

I looked at the fop-script and enabled the debug mode. This display the
following command under Mac OS X:

/System/Library/Frameworks/JavaVM.framework/Home/bin/java"
	-classpath
		"/opt/local/share/java/fop/0.94/lib/xmlgraphics-commons-1.2.jar
		:/opt/local/share/java/fop/0.94/lib/xml-apis-1.3.02.jar
		:/opt/local/share/java/fop/0.94/lib/xercesImpl-2.7.1.jar
		:/opt/local/share/java/fop/0.94/lib/xalan-2.7.0.jar
		:/opt/local/share/java/fop/0.94/lib/serializer-2.7.0.jar
		:/opt/local/share/java/fop/0.94/lib/commons-logging-1.0.4.jar
		:/opt/local/share/java/fop/0.94/lib/commons-io-1.3.1.jar
		:/opt/local/share/java/fop/0.94/lib/batik-all-1.6.jar
		:/opt/local/share/java/fop/0.94/lib/avalon-framework-4.2.0.jar
		:/opt/local/share/java/fop/0.94/build/fop.jar"
	-Djava.awt.headless=true
	org.apache.fop.cli.Main
	"-c" "fopconf.xconf"
	"-xml" "my.xml"
	"-xsl" "my.xsl"
	"-pdf" "my.pdf"

For working on command line, I have to add the "-Djava.awt.headless=true" in
the fop script as seen above.

Enabling the debug mode on debian I get the following command:

/usr/bin/java
	-classpath
		"/usr/share/java/xmlgraphics-commons.jar
		:/usr/share/java/xercesImpl.jar
		:/usr/share/java/servlet-api.jar
		:/usr/share/java/commons-logging.jar
		:/usr/share/java/batik-all.jar
		:/usr/share/java/xml-apis.jar
		:/usr/share/java/xalan2.jar
		:/usr/share/java/serializer.jar
		:/usr/share/java/avalon-framework.jar
		:/usr/share/java/commons-io.jar
		:/usr/share/java/fop.jar:"
	-Djava.awt.headless=true
	org.apache.fop.cli.Main
	"-c" "my.xconf"
	"-xml" "my.xml"
	"-xsl" "my.xsl"
	"-pdf" "my.pdf"

The "-Djava.awt.headless=true" was already in the fop script on debian
lenny.

When i comment the following line in my xslt file everything works fine,
without the Gtk-Warning:

<fo:external-graphic src="myLogo.gif" content-width="32mm"/>

I have tried different image types (gif, bmp, jpg and png) and vector
grapics (svg). I also tried embedding the vector graphic with
<fo:instream-foreign-object/> which works fine on the mac, but not on the
debian system. I always get the Gtk-Warning on the debian system and the pdf
file cannot be opened with a pdf reader.


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