ensure we use negative only keys for our internal listener to let users use as they wish positive ones

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1713962 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/CounterListener.java b/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/CounterListener.java
index 1c5c547..e59b589 100644
--- a/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/CounterListener.java
+++ b/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/CounterListener.java
@@ -30,7 +30,7 @@
 
     public static final String DISABLE_PARAMETER_KEY = "disable-counter-listener";
 
-    private static final int KEY = 0;
+    private static final int KEY = -1;
 
     private PredicateEvaluator includes = ConfigurableListener.DEFAULT_INCLUDES;
     private PredicateEvaluator excludes = ConfigurableListener.DEFAULT_EXCLUDES;
diff --git a/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/PathTrackingListener.java b/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/PathTrackingListener.java
index 0797dec..4d99a4b 100644
--- a/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/PathTrackingListener.java
+++ b/agent/javaagent/src/main/java/org/apache/sirona/javaagent/listener/PathTrackingListener.java
@@ -32,7 +32,7 @@
     extends ConfigurableListener
 {
 
-    private static final Integer PATH_TRACKER_KEY = "Sirona-path-tracker-key".hashCode();
+    private static final Integer PATH_TRACKER_KEY = -2;// "Sirona-path-tracker-key".hashCode();
 
     private static final boolean TRACKING_ACTIVATED =
         Configuration.is( Configuration.CONFIG_PROPERTY_PREFIX + "javaagent.path.tracking.activate", false );