Author: tilman
Date: Mon Nov 24 20:25:00 2025
New Revision: 1929950

Log:
PDFBOX-5660: add logging

Modified:
   
pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/compress/COSWriterObjectStream.java

Modified: 
pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/compress/COSWriterObjectStream.java
==============================================================================
--- 
pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/compress/COSWriterObjectStream.java
    Mon Nov 24 20:19:18 2025        (r1929949)
+++ 
pdfbox/branches/3.0/pdfbox/src/main/java/org/apache/pdfbox/pdfwriter/compress/COSWriterObjectStream.java
    Mon Nov 24 20:25:00 2025        (r1929950)
@@ -191,6 +191,10 @@ public class COSWriterObjectStream
                 writeCOSNull(output);
                 return;
             }
+            if (base instanceof COSObject)
+            {
+                LOG.error("COSObject " + object + " references another 
COSObject?!");
+            }
         }
         else
         {

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