From: Vladimir Petko <vladimir.petko@canonical.com>
Date: Wed, 21 Jan 2026 21:57:02 +0000 (+1300)
Subject: print warning to install openjdk-*-jre package
X-Git-Tag: archive/raspbian/21.0.10+7-1_deb13u1+rpi1^2^2~11
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=6f1ad7a9320a428308fb62083f2a6514f40812f7;p=openjdk-21.git

print warning to install openjdk-*-jre package

Forwarded: not-needed

fontmanager support was moved to recommends, warn user to
either install -jre package or recommended packages.
Forwarding is not needed as this is a Debian-only issue.

Gbp-Pq: Name warn-fontmanager.patch
---

diff --git a/src/java.desktop/share/classes/sun/font/FontManagerNativeLibrary.java b/src/java.desktop/share/classes/sun/font/FontManagerNativeLibrary.java
index c424221a5..c23a05755 100644
--- a/src/java.desktop/share/classes/sun/font/FontManagerNativeLibrary.java
+++ b/src/java.desktop/share/classes/sun/font/FontManagerNativeLibrary.java
@@ -55,7 +55,14 @@ public class FontManagerNativeLibrary {
                           shared library in order to avoid dependency. */
                    System.loadLibrary("freetype");
                }
-               System.loadLibrary("fontmanager");
+
+               try {
+                    System.loadLibrary("fontmanager");
+               } catch (Throwable t) {
+                    System.err.println("Please install the openjdk-*-jre package or recommended packages for openjdk-*-jre-headless.");
+                    throw t;
+               }
+
 
                return null;
             }