Moritz Flöter created PDFBOX-5427:
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Summary: PDFDebugger does not remove listeners for PagePane when
opening new File
Key: PDFBOX-5427
URL: https://issues.apache.org/jira/browse/PDFBOX-5427
Project: PDFBox
Issue Type: Bug
Components: Utilities
Reporter: Moritz Flöter
A PagePane reacts to changes made to the "Repair AcroForm" setting.
However this only works without errors for the first document opened in an
instance of the PDFDebugger.
For any further document opened, an error is produced when changing the setting
while the second document is opened. The listeners probably need to be removed
when loading a new document (or when closing switching/away from the PagePane).
{code:java}
java.lang.RuntimeException: java.util.concurrent.ExecutionException:
java.io.IOException: COSStream has been closed and cannot be read. Perhaps its
enclosing PDDocument has been closed?
org.apache.pdfbox.debugger.pagepane.PagePane$RenderWorker.done(PagePane.java:485)
java.desktop/sun.swing.AccumulativeRunnable.run(AccumulativeRunnable.java:112)
java.base/java.security.AccessController.doPrivileged(Native Method)
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
Caused by: java.util.concurrent.ExecutionException: java.io.IOException:
COSStream has been closed and cannot be read. Perhaps its enclosing PDDocument
has been closed?
org.apache.pdfbox.debugger.pagepane.PagePane$RenderWorker.done(PagePane.java:465)
java.desktop/sun.swing.AccumulativeRunnable.run(AccumulativeRunnable.java:112)
java.base/java.security.AccessController.doPrivileged(Native Method)
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
Caused by: java.io.IOException: COSStream has been closed and cannot be read.
Perhaps its enclosing PDDocument has been closed?
org.apache.pdfbox.cos.COSStream.checkClosed(COSStream.java:83)
org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:168)
org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:163)
org.apache.pdfbox.pdmodel.PDPage.getContents(PDPage.java:157)
org.apache.pdfbox.pdfparser.PDFStreamParser.<init>(PDFStreamParser.java:91)
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:535)
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:516)
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:155)
org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:279)
org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:355)
org.apache.pdfbox.debugger.pagepane.PagePane$RenderWorker.doInBackground(PagePane.java:453)
org.apache.pdfbox.debugger.pagepane.PagePane$RenderWorker.doInBackground(PagePane.java:435)
java.base/java.lang.Thread.run(Thread.java:829) {code}
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