From aad3e1bf5648a6deded1952b19db40906390455d Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 12 Aug 2021 10:20:05 +0200
Subject: [client] Fix FlatLaf on Windows JRE-8

Forcing the version of maven-assembly-plugin to 3.0 seems to mess up the
build process of the fat jar. The Java 9+ specific classes from the
META-INF/versions directory get copied to the root of the jar, replacing
the JRE-8 specific classes. This leads to unloadable classes on Windows
with JRE-8.
Also we need to add the Multi-Release property to MANIFEST.MF to make
sure the modern JRE-9+ classes get loaded on newer JREs, so all the
additional features get used.
---
 dozentenmodul/pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'dozentenmodul/pom.xml')

diff --git a/dozentenmodul/pom.xml b/dozentenmodul/pom.xml
index 45b6384e..abcfca2a 100755
--- a/dozentenmodul/pom.xml
+++ b/dozentenmodul/pom.xml
@@ -93,7 +93,6 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
-				<version>3.0.0</version>
 				<executions>
 					<execution>
 						<phase>package</phase>
@@ -113,6 +112,7 @@
 							<Build-Timestamp>${build.time}</Build-Timestamp>
 							<Revision-Branch>${revision.branch}</Revision-Branch>
 							<Revision-Version>${revision.version}</Revision-Version>
+							<Multi-Release>true</Multi-Release> <!--  required for FlatLaf for using modern classes on JRE9+ -->
 						</manifestEntries>
 					</archive>
 					<descriptorRefs>
-- 
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