--- java/org/apache/jasper/compiler/JDTCompiler.java.orig	2016-04-22 11:13:13.194743602 +0200
+++ java/org/apache/jasper/compiler/JDTCompiler.java	2016-04-22 11:17:02.457841335 +0200
@@ -311,10 +311,10 @@ public class JDTCompiler extends org.apa
                              CompilerOptions.VERSION_1_7);
             } else if(opt.equals("1.8")) {
                 settings.put(CompilerOptions.OPTION_Source,
-                             CompilerOptions.VERSION_1_8);
+                             "1.8"); // CompilerOptions.VERSION_1_8
             } else if(opt.equals("1.9")) {
                 settings.put(CompilerOptions.OPTION_Source,
-                             CompilerOptions.VERSION_1_9);
+                             "1.9"); // CompilerOptions.VERSION_1_9
             } else {
                 log.warn("Unknown source VM " + opt + " ignored.");
                 settings.put(CompilerOptions.OPTION_Source,
@@ -358,14 +358,14 @@ public class JDTCompiler extends org.apa
                         CompilerOptions.VERSION_1_7);
             } else if(opt.equals("1.8")) {
                 settings.put(CompilerOptions.OPTION_TargetPlatform,
-                             CompilerOptions.VERSION_1_8);
+                             "1.8"); // CompilerOptions.VERSION_1_8
                 settings.put(CompilerOptions.OPTION_Compliance,
-                        CompilerOptions.VERSION_1_8);
+                        "1.8"); // CompilerOptions.VERSION_1_8
             } else if(opt.equals("1.9")) {
                 settings.put(CompilerOptions.OPTION_TargetPlatform,
-                             CompilerOptions.VERSION_1_9);
+                             "1.9"); // CompilerOptions.VERSION_1_9
                 settings.put(CompilerOptions.OPTION_Compliance,
-                        CompilerOptions.VERSION_1_9);
+                        "1.9"); // CompilerOptions.VERSION_1_9
             } else {
                 log.warn("Unknown target VM " + opt + " ignored.");
                 settings.put(CompilerOptions.OPTION_TargetPlatform,