Every time we convert a pdf to image .in the log of tomcat it prints this message:

Sep 10, 2013 7:09:26 AM org.icepdf.core.util.LazyObjectLoader loadObject
SEVERE: Error loading object instance: 58 0R
java.io.IOException: The handle is invalid
at java.io.RandomAccessFile.getFilePointer(Native Method)
at org.icepdf.core.io.RandomAccessFileInputStream.getAbsolutePosition(RandomAccessFileInputStream.java:122)
at org.icepdf.core.util.LazyObjectLoader.loadObject(LazyObjectLoader.java:70)
at org.icepdf.core.util.Library.getObject(Library.java:123)
at org.icepdf.core.util.Library.getObject(Library.java:173)
at org.icepdf.core.pobjects.ImageStream.getImage(ImageStream.java:223)
at org.icepdf.core.pobjects.graphics.ImageStreamReference.run(ImageStreamReference.java:66)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)