debian/changelog

+jajuk (1:1.10.9+dfsg2-5) UNRELEASED; urgency=medium
+
+  * Team upload.
+  * Declare compliance with Debian Policy 4.3.0.
+  * Remove alternative dependency on java7-runtime.
+  * Use https for Format field.
+  * Add isJavaVersionNotSupported.patch and fix start error when using
+    OpenJDK 11. Thanks to Werner Mahr for the report. (Closes: #923330)
+
+ -- Markus Koschany <apo@debian.org>  Wed, 27 Feb 2019 00:39:54 +0100
+
 jajuk (1:1.10.9+dfsg2-4) unstable; urgency=medium
 
   * Team upload.

debian/control

@@ -42,14 +42,14 @@ Build-Depends-Indep: ant,
                      mplayer,
                      substance (>= 7.3),
                      libqdwizard-java
-Standards-Version: 4.1.1
+Standards-Version: 4.3.0
 Vcs-Git: https://anonscm.debian.org/git/pkg-java/jajuk.git
 Vcs-Browser: https://anonscm.debian.org/cgit/pkg-java/jajuk.git
 Homepage: http://jajuk.info
 
 Package: jajuk
 Architecture: all
-Depends: default-jre | java7-runtime | java8-runtime,
+Depends: default-jre | java8-runtime,
          entagged,
          java-wrappers,
          libbasicplayer-java,

debian/copyright

-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: Jajuk
 Upstream-Contact: Bertrand Florat <bertrand@florat.net> and The Jajuk Team
 Source: http://www.jajuk.info/downloads.html

debian/patches/isJavaVersionNotSupported.patch

+From: Markus Koschany <apo@debian.org>
+Date: Wed, 27 Feb 2019 00:36:43 +0100
+Subject: isJavaVersionNotSupported
+
+Fix start error because of incorrect check for JDK versions.
+
+Bug-Debian: https://bugs.debian.org/923330
+---
+ src/main/java/org/jajuk/Main.java | 22 +++++++++++++++++-----
+ 1 file changed, 17 insertions(+), 5 deletions(-)
+
+diff --git a/src/main/java/org/jajuk/Main.java b/src/main/java/org/jajuk/Main.java
+index d9248f2..26e484a 100644
+--- a/src/main/java/org/jajuk/Main.java
++++ b/src/main/java/org/jajuk/Main.java
+@@ -74,11 +74,11 @@ public final class Main {
+     // non ui init
+     try {
+       // check JVM version
+-      if (!JVM.current().isOrLater(JVM.JDK1_7)) {
+-        System.out.println("[BOOT] Java Runtime Environment 1.7 minimum required."
+-            + " You use a JVM " + JVM.current());
+-        System.exit(2); // error code 2 : wrong JVM
+-      }
++      if (isJavaVersionNotSupported()) {
++            System.out.println(
++                            "[BOOT] Java Runtime Environment 1.8 minimum required." + " You use a JVM " + System.getProperty("java.version"));
++            System.exit(2); // error code 2 : wrong JVM
++       }
+       // set flags from command line options
+       SessionService.handleCommandline(args);
+       // Set System properties
+@@ -203,6 +203,18 @@ public final class Main {
+     }
+   }
+ 
++  /**
++   *
++   * Check java version.
++   *
++   * JVM version before 9 : "1.0","1.6"... then "9", "10"
++   *
++   * @return true whether Java version is correct
++   */
++    private static boolean isJavaVersionNotSupported() {
++        String javaVersion = System.getProperty("java.version");
++        return javaVersion.matches("1.[0-7]");
++    }
+   /*
+    * Initialize some useful System properties For some reasons (at least with Apple JVM), this
+    * method must be in the Main class. Should be called ASAP in the startup process

debian/patches/series

@@ -6,3 +6,4 @@
 06_scrolling_stuff.patch
 jgoodies-animation-1.4.3.patch
 08_java9_compatibility.patch
+isJavaVersionNotSupported.patch