From 2eee8ab032ec09edc503f359744a75a5e98b0adf Mon Sep 17 00:00:00 2001
From: Edi Weissmann <edi.weissmann@gmail.com>
Date: Thu, 18 Jun 2020 16:28:34 +0200
Subject: [PATCH] PageImageWriter: handle crashes in convertICCGrayPngIf()
 leniently and continue

---
 .../org/sejda/impl/sambox/component/PageImageWriter.java    | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/sejda-sambox/src/main/java/org/sejda/impl/sambox/component/PageImageWriter.java b/sejda-sambox/src/main/java/org/sejda/impl/sambox/component/PageImageWriter.java
index 45e2f2368..d2a1683a6 100644
--- a/sejda-sambox/src/main/java/org/sejda/impl/sambox/component/PageImageWriter.java
+++ b/sejda-sambox/src/main/java/org/sejda/impl/sambox/component/PageImageWriter.java
@@ -264,11 +264,7 @@ private static Optional<SeekableSource> convertICCGrayPngIf(SeekableSource sourc
                 }
             }
         } catch (IIOException e) {
-            if(e.getMessage().equals("I/O error reading PNG header!")) {
-                // this was a different image format with a PNG extension
-            } else {
-                throw e;
-            }
+            LOG.debug("Failed convertICCGrayPngIf()", e);
         }
 
         return Optional.empty();