kadira.diff

diff --git a/lib/hijack/error.js b/lib/hijack/error.js
index 6b7b285..785d42e 100644
--- a/lib/hijack/error.js
+++ b/lib/hijack/error.js
@@ -7,13 +7,13 @@ TrackUncaughtExceptions = function () {

     // let the server crash normally if error tracking is disabled
     if(!Kadira.options.enableErrorTracking) {
-      throw err;
+      printErrorAndKill(err);
     }

     // looking for already tracked errors and throw them immediately
     // throw error immediately if kadira is not ready
     if(err._tracked || !Kadira.connected) {
-      throw err;
+      printErrorAndKill(err);
     }

     var trace = getTrace(err, 'server-crash', 'uncaughtException');
@@ -34,10 +34,18 @@ TrackUncaughtExceptions = function () {
       process.nextTick(function() {
         // we need to mark this error where we really need to throw
         err._tracked = true;
-        throw err;
+        printErrorAndKill(err);
       });
     }
   });
+
+  function printErrorAndKill(err) {
+    // since we are capturing error, we are also on the error message.
+    // so developers think we are also reponsible for the error.
+    // But we are not. This will fix that.
+    console.error(err.stack);
+    process.exit(7);
+  }
 }

 TrackMeteorDebug = function () {
diff --git a/lib/hijack/wrap_server.js b/lib/hijack/wrap_server.js
index 87dfff5..8a1951a 100644
--- a/lib/hijack/wrap_server.js
+++ b/lib/hijack/wrap_server.js
@@ -4,7 +4,11 @@ wrapServer = function(serverProto) {
   var originalHandleConnect = serverProto._handleConnect
   serverProto._handleConnect = function(socket, msg) {
     originalHandleConnect.call(this, socket, msg);
-    if(Kadira.connected) {
+    var session = socket._meteorSession;
+    // sometimes it is possible for _meteorSession to be undefined
+    // one such reason would be if DDP versions are not matching
+    // if then, we should not process it
+    if(Kadira.connected && session) {
       Kadira.models.system.handleSessionActivity(msg, socket._meteorSession);
     }
   };
diff --git a/lib/hijack/wrap_session.js b/lib/hijack/wrap_session.js
index d7ff1c6..e04deb9 100644
--- a/lib/hijack/wrap_session.js
+++ b/lib/hijack/wrap_session.js
@@ -194,7 +194,7 @@ function wrapMethodHanderForErrors(name, originalHandler, methodMap) {

 function cloneError(err) {
   if(err instanceof Meteor.Error) {
-    var newError = new Meteor.Error(err.error, err.reason);
+    var newError = err.clone();
   } else {
     var newError = new Error(err.message);
   }
diff --git a/package.js b/package.js
index 45409ea..e585bac 100644
--- a/package.js
+++ b/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   "summary": "Performance Monitoring for Meteor",
-  "version": "2.17.0",
+  "version": "2.17.5",
   "git": "https://github.com/meteorhacks/kadira.git",
   "name": "meteorhacks:kadira"
 });
diff --git a/smart.json b/smart.json
index 53f9084..68051a9 100644
--- a/smart.json
+++ b/smart.json
@@ -3,7 +3,7 @@
   "description": "Performance Monitoring for Meteor",
   "homepage": "https://kadira.io",
   "author": "MeteorHacks <hello@meteorhacks.com>",
-  "version": "2.17.0",
+  "version": "2.17.5",
   "git": "https://github.com/meteorhacks/kadira.git",
   "packages": {
     "meteorx": "1.2.0"