more informative error message

[simgrid.git] / src / bindings / java / jmsg.c

diff --git a/src/bindings/java/jmsg.c b/src/bindings/java/jmsg.c
index bfc4115..ce3444a 100644 (file)
--- a/src/bindings/java/jmsg.c
+++ b/src/bindings/java/jmsg.c
@@ -268,7 +268,7 @@ static int create_jprocess(int argc, char *argv[]) {
   jclass class_Process = (*env)->FindClass(env, argv[0]);
   xbt_str_subst(argv[0],'/','.',0);
   //Retrieve the methodID for the constructor
-  xbt_assert((class_Process != NULL), "Class not found (%s).", argv[0]);
+  xbt_assert((class_Process != NULL), "Class not found (%s). The deployment file must use the fully qualified class name, including the package. The case is important.", argv[0]);
   jmethodID constructor_Process = (*env)->GetMethodID(env, class_Process, "<init>", "(Lorg/simgrid/msg/Host;Ljava/lang/String;[Ljava/lang/String;)V");
   xbt_assert((constructor_Process != NULL), "Constructor not found for class %s. Is there a (Host, String ,String[]) constructor in your class ?", argv[0]);