Merge branch 'task/JAL-3991_check_actual_JAVA_VERSION_against_build_properties_in_app...

[jalview.git] / src / jalview / bin / Launcher.java

diff --git a/src/jalview/bin/Launcher.java b/src/jalview/bin/Launcher.java
index 1ea17d6..a55146d 100644 (file)
--- a/src/jalview/bin/Launcher.java
+++ b/src/jalview/bin/Launcher.java
@@ -20,13 +20,12 @@
  */
 package jalview.bin;
 
-import java.util.Locale;
-
 import java.io.File;
 import java.io.IOException;
 import java.lang.management.ManagementFactory;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 
 import jalview.util.ChannelProperties;
 import jalview.util.LaunchUtils;
@@ -63,6 +62,14 @@ public class Launcher
    */
   public static void main(String[] args)
   {
+    if (!LaunchUtils.checkJavaVersion())
+    {
+      System.err.println("WARNING - The Java version being used (Java "
+              + LaunchUtils.getJavaVersion()
+              + ") may lead to problems. This installation of Jalview should be used with Java "
+              + LaunchUtils.getJavaCompileVersion() + ".");
+    }
+
     final String javaBin = System.getProperty("java.home") + File.separator
             + "bin" + File.separator + "java";