Sorry, I meant that the line
ICC_Profile profile = ICC_Profile.getInstance(input);
be enclosed by the "synchronized".
Tilman
Am 18.03.2016 um 20:05 schrieb Tilman Hausherr:
Hello 风云天空,
This is obviously not related to "Spaces are ignored when reading a
PDF file" so you should have created a new subject line instead of
hijacking an existing thread by pressing "reply".
I did have the same problem while working on
https://issues.apache.org/jira/browse/PDFBOX-3267
What I did was to change the source code of PDICCBased.java, i.e.
change this line
awtColorSpace =
(ICC_ColorSpace)ColorSpace.getInstance(ColorSpace.CS_sRGB);
to
synchronized(LOG)
{
awtColorSpace =
(ICC_ColorSpace)ColorSpace.getInstance(ColorSpace.CS_sRGB);
}
This is a java bug. I'm undecided whether the change above should be
committed. But try the change :-)
Tilman
Am 18.03.2016 um 12:02 schrieb 风云天空:
who can help me
i get this error in multithreading
java.lang.NullPointerException
at
java.awt.color.ICC_Profile.activateDeferredProfile(ICC_Profile.java:1086)
at java.awt.color.ICC_Profile$1.activate(ICC_Profile.java:742)
at
sun.java2d.cmm.ProfileDeferralMgr.activateProfiles(ProfileDeferralMgr.java:95)
at java.awt.color.ICC_Profile.getInstance(ICC_Profile.java:775)
at java.awt.color.ICC_Profile.getInstance(ICC_Profile.java:1013)
at
org.apache.pdfbox.pdmodel.graphics.color.PDICCBased.loadICCProfile(PDICCBased.java:119)
at
org.apache.pdfbox.pdmodel.graphics.color.PDICCBased.<init>(PDICCBased.java:89)
at
org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace.create(PDColorSpace.java:182)
at
org.apache.pdfbox.pdmodel.PDResources.getColorSpace(PDResources.java:172)
at
org.apache.pdfbox.pdmodel.PDResources.getColorSpace(PDResources.java:142)
at
org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace.process(SetNonStrokingColorSpace.java:41)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:814)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:471)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:445)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149)
at
org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:187)
at
org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:208)
at
org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:139)
at
org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:80)
at
com.liaoyoujin.pdfbox.doc.PdfExtractor.getFirstImage(PdfExtractor.java:109)
at
com.liaoyoujin.pdfbox.doc.PdfExtractor$Job.run(PdfExtractor.java:178)
at
com.liaoyoujin.thread.pool.BlockThreadPool$Worker.run(BlockThreadPool.java:53)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
java.util.ConcurrentModificationException
at java.util.Vector$Itr.checkForComodification(Vector.java:1156)
at java.util.Vector$Itr.next(Vector.java:1133)
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