diff -r b4896ce4d1b0 -r fcd5648113ca src/java/isac/wsdialog/DialogProtocolException.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java/isac/wsdialog/DialogProtocolException.java	Wed Jun 15 18:31:02 2005 +0200
@@ -0,0 +1,32 @@
+/*
+ * Created on Nov 18, 2003
+ */
+package isac.wsdialog;
+
+/**
+ * Exception thrown by the DialogGuide if the action requested by the user does
+ * not match the state of the DialogGuide, e.g. specifying during the solving
+ * phase.
+ * 
+ * @author Alan Krempler
+ */
+public class DialogProtocolException extends Exception {
+
+    protected int failed_action_;
+
+    protected int dialog_state_;
+
+    DialogProtocolException(int failed_action, int dialog_state, String extra,
+            Throwable cause) {
+        super("The DialogGuide cannot process a request.\n"
+                + "Requested action: " + String.valueOf(failed_action)
+                + ", Dialog state:" + String.valueOf(dialog_state) + ", "
+                + extra);
+        failed_action_ = failed_action;
+        dialog_state_ = dialog_state;
+    }
+
+    DialogProtocolException(int failed_action, int dialog_state) {
+        this(failed_action, dialog_state, null, null);
+    }
+}
\ No newline at end of file