--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/javac.properties	Wed Jul 05 22:55:08 2017 +0200
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/javac.properties	Wed Mar 01 16:38:48 2017 -0800
@@ -370,6 +370,12 @@
     not a file: {0}
 javac.err.cannot.access.runtime.env=\
     cannot access runtime environment
+javac.err.two.class.loaders.1=\
+    javac is split between multiple class loaders: check your configuration
+javac.err.two.class.loaders.2=\
+    javac is split between multiple class loaders:\n\
+    one class comes from file: {0}\n\
+    while javac comes from {1}
 javac.err.bad.value.for.option=\
     bad value for {0} option: ''{1}''
 javac.err.no.value.for.option=\