When loading the PDF provided from the customer, the following error stack trace is thrown. When removing the levigo jar from the class path the PDF renders fine without any errors.

WARNING: Problem loading JBIG2 image:
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.icepdf.core.pobjects.ImageStream.jbig2Decode(ImageStream.java:743)
at org.icepdf.core.pobjects.ImageStream.getImage(ImageStream.java:373)
at org.icepdf.core.pobjects.ImageStream.getImage(ImageStream.java:306)
at org.icepdf.core.pobjects.graphics.SmoothScaledImageReference.call(SmoothScaledImageReference.java:95)
at org.icepdf.core.pobjects.graphics.SmoothScaledImageReference.call(SmoothScaledImageReference.java:39)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.RuntimeException: Can't instantiate segment class
at com.levigo.jbig2.SegmentHeader.getSegmentData(SegmentHeader.java:405)
at com.levigo.jbig2.JBIG2Page.createNormalPage(JBIG2Page.java:182)
at com.levigo.jbig2.JBIG2Page.createPage(JBIG2Page.java:154)
at com.levigo.jbig2.JBIG2Page.composePageBitmap(JBIG2Page.java:145)
at com.levigo.jbig2.JBIG2Page.getBitmap(JBIG2Page.java:125)
at com.levigo.jbig2.JBIG2ImageReader.read(JBIG2ImageReader.java:223)
at javax.imageio.ImageReader.read(ImageReader.java:940)
... 14 more
Caused by: java.lang.RuntimeException: Can't instantiate segment class
at com.levigo.jbig2.SegmentHeader.getSegmentData(SegmentHeader.java:405)
at com.levigo.jbig2.segments.TextRegion.initSymbols(TextRegion.java:818)
at com.levigo.jbig2.segments.TextRegion.getSymbols(TextRegion.java:249)
at com.levigo.jbig2.segments.TextRegion.parseHeader(TextRegion.java:151)
at com.levigo.jbig2.segments.TextRegion.init(TextRegion.java:901)
at com.levigo.jbig2.SegmentHeader.getSegmentData(SegmentHeader.java:400)
... 20 more
Caused by: java.lang.NullPointerException
at com.levigo.jbig2.segments.SymbolDictionary.retrieveImportSymbols(SymbolDictionary.java:816)
at com.levigo.jbig2.segments.SymbolDictionary.setInSyms(SymbolDictionary.java:242)
at com.levigo.jbig2.segments.SymbolDictionary.parseHeader(SymbolDictionary.java:131)
at com.levigo.jbig2.segments.SymbolDictionary.init(SymbolDictionary.java:844)
at com.levigo.jbig2.SegmentHeader.getSegmentData(SegmentHeader.java:400)
... 25 more