discover java home path

diff --git a/src/jalview/util/Worker.java b/src/jalview/util/Worker.java
index 68f4174..ff7f0a9 100644 (file)
--- a/src/jalview/util/Worker.java
+++ b/src/jalview/util/Worker.java
@@ -1,6 +1,7 @@
 package jalview.util;
 
 import java.io.BufferedReader;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.PrintStream;
@@ -119,7 +120,10 @@ public class Worker extends Thread
     // Note: JAL-3065 - don't include quotes for lib/* because the arguments are
     // not expanded by the shell
     String classpath = getClassPath();
-    String _cmd = "java " + (withAwt ? "-Djava.awt.headless=true" : "")
+    String javahome = System.getProperty("java.home");
+
+    String _cmd = javahome + File.pathSeparator + "java "
+            + (withAwt ? "-Djava.awt.headless=true" : "")
             + " -classpath " + classpath + " " + javaArgs
             + " jalview.bin.Jalview ";
     Process ls2_proc = null;