On Wed, Dec 2, 2015 at 5:42 PM, <[email protected]> wrote:
Ok, thanks
I see that there is a reference to http://jira.xwiki.org/browse/XWIKI-12871
Is it really an objective of the 7.4 or might it be moved to another later release ?
Currently looking at it but no promise for 7.4 (this is not a small move and it was not exactly part of the roadmap).
Can I do about it beside waiting for 7.4 to be released ? Can I upgrade a component myself as a workaround ?
Not it this case since FOP 2.0 broke a few APIs used by XWiki as far as I can see.
Regards
De : Thomas Mortagne <[email protected]> A : XWiki Users <[email protected]> Date : 02/12/2015 10:18 Objet : Re: [xwiki-users] Export to PDF java.lang.NullPointerException on some pages (possibly if images are too big) Envoyé par : "users" <[email protected]>
Looks like http://jira.xwiki.org/browse/XWIKI-8274. From what I understand the image format is too recent for the old FOP 1.1 version we are still using.
On Wed, Dec 2, 2015 at 10:02 AM, <[email protected]> wrote:
When trying to export PDF some (not all) page of my XWiki 7.2, I get an error in the log and the PDF is never generated. HTML export works fine.
Here are the first lines from the error :
Dec 2 09:37:07 xwiki01 server: java.lang.NullPointerException: Parameter alpha must not be null Dec 2 09:37:07 xwiki01 server: at org.apache.fop.pdf.AlphaRasterImage.<init>(AlphaRasterImage.java:57) ~[fop-1.1.jar:na] Dec 2 09:37:07 xwiki01 server: at org.apache.fop.pdf.AlphaRasterImage.<init>(AlphaRasterImage.java:71) ~[fop-1.1.jar:na] Dec 2 09:37:07 xwiki01 server: at
org.apache.fop.render.pdf.ImageRenderedAdapter.setup(ImageRenderedAdapter.java:127)
~[fop-1.1.jar:na] Dec 2 09:37:07 xwiki01 server: at org.apache.fop.pdf.PDFDocument.addImage(PDFDocument.java:816) ~[fop-1.1.jar:na] Dec 2 09:37:07 xwiki01 server: at
org.apache.fop.render.pdf.AbstractPDFImageHandler.handleImage(AbstractPDFImageHandler.java:46)
~[fop-1.1.jar:na]
I can't say for sure that the size of the images in those pages is the cause of the export failure, but just before the stacktrace, I get a few WARN
Dec 2 09:37:06 xwiki01 server: 2015-12-02 09:37:06,773 [
http://xwiki01:8080/xwiki/bin/export/White_Rabbit/Fabrication/GitLab+-+Manue...
] WARN o.a.f.a.FOUserAgent - Line 1 of a paragraph overflows the available area by 9000 millipoints. (See position 26:14146) Dec 2 09:37:07 xwiki01 server: 2015-12-02 09:37:07,104 [
http://xwiki01:8080/xwiki/bin/export/White_Rabbit/Fabrication/GitLab+-+Manue...
] ERROR o.a.f.a.FOUserAgent - Error while rendering page 3. Reason: java.lang.NullPointerException: Parameter alpha must not be null Dec 2 09:37:07 xwiki01 server: java.lang.NullPointerException: Parameter alpha must not be null
Have you already seen this problem? I think I've found similar issues but for version 4.X back in 2012, though it was about "bad" PNG images then.
Regards, Denis GERMAIN
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