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java.lang.NullPointerException at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:303) at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:130) at org.apache.fop.cli.Main.startFOP(Main.java:177) at org.apache.fop.cli.Main.main(Main.java:208)Caused by: java.lang.NullPointerException at org.apache.xalan.transformer.TransformerImpl.setParameter(TransformerImpl.java:1558) at org.apache.xalan.transformer.TransformerImpl.setParameter(TransformerImpl.java:1606) at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:286) ... 3 more