$ fop -xsl ./jlatexmath-fop/examples/latex.xsl -c ./jlatexmath-fop/examples/conf.xml -xml ./jlatexmath-fop/examples/latex_docbook.xml -pdf /tmp/bla.pdf [INFO] FopConfParser - Default page-height set to: 11in [INFO] FopConfParser - Default page-width set to: 8.26in file:/tmp/libjlatexmath-java-1.0.7/./jlatexmath-fop/examples/latex.xsl; Line #7; Column #78; Had IO Exception with stylesheet file: /usr/share/xml/docbook/stylesheet/nwalsh/fo/docbook.xsl file:/tmp/libjlatexmath-java-1.0.7/./jlatexmath-fop/examples/latex.xsl; Line #26; Column #119; org.apache.xml.utils.WrappedRuntimeException: Could not find variable with the name of page.width [ERROR] FOP - Exception <org.apache.fop.apps.FOPException: java.lang.NullPointerException java.lang.NullPointerException>org.apache.fop.apps.FOPException: java.lang.NullPointerException java.lang.NullPointerException at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:296) at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:116) at org.apache.fop.cli.Main.startFOP(Main.java:186) at org.apache.fop.cli.Main.main(Main.java:217) Caused by: java.lang.NullPointerException at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:279) ... 3 more
--------- java.lang.NullPointerException at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:279) at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:116) at org.apache.fop.cli.Main.startFOP(Main.java:186) at org.apache.fop.cli.Main.main(Main.java:217) with: $ fop -version FOP Version 2.3