#49 com.itextpdf.text.exceptions.BadPasswordException: Bad user password

[vahid]

i want to crop a file using briss:

com.itextpdf.text.exceptions.BadPasswordException: Bad user password
at com.itextpdf.text.pdf.PdfReader.readPdf(PdfReader.java:513)
at com.itextpdf.text.pdf.PdfReader.<init>(PdfReader.java:169)
at com.itextpdf.text.pdf.PdfReader.<init>(PdfReader.java:158)
at at.laborg.briss.utils.ClusterCreator.clusterPages(ClusterCreator.java:37)
at at.laborg.briss.BrissGUI$ClusterPagesTask.doInBackground(BrissGUI.java:846)
at at.laborg.briss.BrissGUI$ClusterPagesTask.doInBackground(BrissGUI.java:1)
at javax.swing.SwingWorker$1.call(SwingWorker.java:296)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at javax.swing.SwingWorker.run(SwingWorker.java:335)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at at.laborg.briss.BrissGUI.setStateAfterClusteringFinished(BrissGUI.java:769)
at at.laborg.briss.BrissGUI.access$0(BrissGUI.java:761)
at at.laborg.briss.BrissGUI$ClusterPagesTask.done(BrissGUI.java:838)
at javax.swing.SwingWorker$5.run(SwingWorker.java:737)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(SwingWorker.java:832)
at sun.swing.AccumulativeRunnable.run(AccumulativeRunnable.java:112)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(SwingWorker.java:842)
at javax.swing.Timer.fireActionPerformed(Timer.java:312)
at javax.swing.Timer$DoPostEvent.run(Timer.java:244)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)