revert some modifications
diff --git a/asterix-common/src/test/java/edu/uci/ics/asterix/test/aql/TestsUtils.java b/asterix-common/src/test/java/edu/uci/ics/asterix/test/aql/TestsUtils.java
index b121395..3fec2c8 100644
--- a/asterix-common/src/test/java/edu/uci/ics/asterix/test/aql/TestsUtils.java
+++ b/asterix-common/src/test/java/edu/uci/ics/asterix/test/aql/TestsUtils.java
@@ -188,16 +188,10 @@
 
     private static String[] handleError(GetMethod method) throws Exception {
         String errorBody = method.getResponseBodyAsString();
-        try {
-            JSONObject result = new JSONObject(errorBody);
-            String[] errors = { result.getJSONArray("error-code").getString(0), result.getString("summary"),
-                    result.getString("stacktrace") };
-            return errors;
-        } catch (JSONException je) {
-            GlobalConfig.ASTERIX_LOGGER.log(Level.SEVERE, "Response body is not in JSON " + errorBody);
-            String[] errors = { "no error code", "no summary", "no stacktrace" };
-            return errors;
-        }
+        JSONObject result = new JSONObject(errorBody);
+        String[] errors = { result.getJSONArray("error-code").getString(0), result.getString("summary"),
+                result.getString("stacktrace") };
+        return errors;
     }
 
     // Executes Query and returns results as JSONArray
diff --git a/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/transaction/RecoveryIT.java b/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/transaction/RecoveryIT.java
index 3346203..e8fd61f 100644
--- a/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/transaction/RecoveryIT.java
+++ b/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/transaction/RecoveryIT.java
@@ -112,7 +112,7 @@
         File outdir = new File(PATH_ACTUAL);
         FileUtils.deleteDirectory(outdir);
         TestsUtils.executeScript(pb, scriptHomePath + File.separator + "setup_teardown" + File.separator
-                + "stop.sh");
+                + "stop_and_delete.sh");
         TestsUtils.executeScript(pb, scriptHomePath + File.separator + "setup_teardown" + File.separator
                 + "shutdown.sh");
     }
diff --git a/asterix-installer/src/test/resources/transactionts/scripts/setup_teardown/stop.sh b/asterix-installer/src/test/resources/transactionts/scripts/setup_teardown/stop.sh
deleted file mode 100755
index 4fd44b8..0000000
--- a/asterix-installer/src/test/resources/transactionts/scripts/setup_teardown/stop.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-$MANAGIX_HOME/bin/managix stop -n nc1;
-