(pdfbox-docs) 01/02: PDFBOX-5300: add text about inkblot problem

[ti...@apache.org]

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tilman pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/pdfbox-docs.git

commit 641128a8ec782f919cd3b9354b8f5423e766f702
Author: Tilman Hausherr <ti...@apache.org>
AuthorDate: Tue May 14 10:46:27 2024 +0200

    PDFBOX-5300: add text about inkblot problem
---
 content/2.0/faq.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/content/2.0/faq.md b/content/2.0/faq.md
index 60ddb947..7dedec3d 100644
--- a/content/2.0/faq.md
+++ b/content/2.0/faq.md
@@ -212,3 +212,8 @@ but these would cost additional time and memory space. You can have a higher qua
 ### What to do with the IllegalArgumentException "Numbers of source Raster bands and source color space components do not match"?
 
 Sadly, this is a known bug in Java Imaging. Use the twelvemonkeys library as described in the [dependencies](dependencies.html) page.
+
+### Why do black inkblots, black stains, black clouds or black spots appear when rendering?
+
+This is a bug in the original java JPEG2000 decoder. You can see examples of such images in [PDFBOX-1752](https://issues.apache.org/jira/browse/PDFBOX-1752) and related issues.
+Use the newer (1.4.0 or higher) `jai-imageio-jpeg2000` and `jai-imageio-core` decoders as explained in the [dependencies](dependencies.html) page.