code syncup with ECOMP updates

Issue-ID: DCAEGEN2-212
Change-Id: Id388f26be57d2a12250a6845ed5678d0cebceed6
Signed-off-by: Vijay Venkatesh Kumar<vv770d@att.com>

7 files changed, 258 insertions, 262 deletions

diff --git a/src/main/java/org/onap/dcae/commonFunction/CommonStartup.java b/src/main/java/org/onap/dcae/commonFunction/CommonStartup.java
index b974ed53..fe3ba325 100644
--- a/src/main/java/org/onap/dcae/commonFunction/CommonStartup.java
+++ b/src/main/java/org/onap/dcae/commonFunction/CommonStartup.java
@@ -194,11 +194,14 @@ public class CommonStartup extends NsaBaseEndpoint implements Runnable {
 			executor = Executors.newFixedThreadPool(20);
 			executor.execute(ep);
 
-		} catch (loadException | missingReqdSetting | IOException | invalidSettingValue | ServletException
-				| InterruptedException e) {
+		} catch (loadException | missingReqdSetting | IOException | invalidSettingValue | ServletException | InterruptedException e) {
 			CommonStartup.eplog.error("FATAL_STARTUP_ERROR" + e.getMessage());
 			throw new RuntimeException(e);
-		} finally {
+		} catch (Throwable e) {
+                	System.err.println("Uncaught exception - " + e.getMessage());
+                	CommonStartup.eplog.error("FATAL_ERROR" + e.getMessage() );
+                	e.printStackTrace(System.err);
+           	} finally {
 			// This will make the executor accept no new threads
 			// and finish all existing threads in the queue
 			if (executor != null) {
diff --git a/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java b/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java
index 10a1db47..fbeba2f6 100644
--- a/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java
+++ b/src/main/java/org/onap/dcae/commonFunction/CustomExceptionLoader.java
@@ -77,9 +77,8 @@ public class CustomExceptionLoader {
 				}
 				
 				log.debug("CustomExceptionLoader.LoadMap --> Map loaded - " + map);
-			} catch (JsonIOException|JsonSyntaxException|FileNotFoundException e) {
+			} catch (JsonIOException|JsonSyntaxException|FileNotFoundException  e) {
 				log.error("Exception in LoadMap:" + e.getMessage());
-				//e.printStackTrace();
 				map = null;
 			}
 		 	finally {
diff --git a/src/main/java/org/onap/dcae/commonFunction/EventProcessor.java b/src/main/java/org/onap/dcae/commonFunction/EventProcessor.java
index 2bc5e45b..05e5f0ba 100644
--- a/src/main/java/org/onap/dcae/commonFunction/EventProcessor.java
+++ b/src/main/java/org/onap/dcae/commonFunction/EventProcessor.java
@@ -30,6 +30,7 @@ import org.json.JSONObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
 import java.io.FileReader;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Method;
@@ -117,20 +118,6 @@ public class EventProcessor implements Runnable {
         final SimpleDateFormat sdf = new SimpleDateFormat("EEE, MM dd yyyy hh:mm:ss z");
         sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
 
-		/*JSONArray additionalParametersarray = new JSONArray().put(new JSONObject().put("collectorTimeStamp", sdf.format(currentTime)));
-        JSONObject additionalParameter = new JSONObject().put("additionalParameters",additionalParametersarray );
-		JSONObject commonEventHeaderkey = event.getJSONObject("event").getJSONObject("commonEventHeader");
-		commonEventHeaderkey.put("internalHeaderFields", additionalParameter);*/
-
-
-/*		  "event": {
-            "commonEventHeader": {
-                            "internalHeaderFields": {
-                                            "collectorTimeStamp": "Fri, 04 21 2017 04:11:52 GMT"
-                            },
-*/
-
-        //JSONArray additionalParametersarray = new JSONArray().put(new JSONObject().put("collectorTimeStamp", sdf.format(currentTime)));
         JSONObject collectorTimeStamp = new JSONObject()
             .put("collectorTimeStamp", sdf.format(currentTime));
         JSONObject commonEventHeaderkey = event.getJSONObject(EVENT_LITERAL)
@@ -141,9 +128,10 @@ public class EventProcessor implements Runnable {
         if (CommonStartup.eventTransformFlag == 1) {
             // read the mapping json file
             final JsonParser parser = new JsonParser();
+	    FileReader fr = null;
             try {
-                final JsonArray jo = (JsonArray) parser
-                    .parse(new FileReader("./etc/eventTransform.json"));
+		fr = new FileReader ( "./etc/eventTransform.json" );
+                final JsonArray jo = (JsonArray) parser.parse(fr);
                 log.info("parse eventTransform.json");
                 // now convert to org.json
                 final String jsonText = jo.toString();
@@ -183,11 +171,25 @@ public class EventProcessor implements Runnable {
 
             } catch (Exception e) {
 
-                log.error("EventProcessor Exception" + e.getMessage() + e);
-                log.error("EventProcessor Exception" + e.getCause());
+                log.error("EventProcessor Exception" + e.getMessage() + e + e.getCause() );
             }
-        }
-        log.debug("Modified event:" + event);
+	    finally {
+                 //close the file
+                 if (fr != null) {
+                 	try {
+                        	fr.close();
+                        } catch (IOException e) {
+                               	log.error("Error closing file reader stream : " + e.toString());
+                        }
+                              
+                 }
+            }
+	}
+        //Remove VESversion from event. This field is for internal use and must be removed after use.
+        if (event.has("VESversion"))
+            	event.remove("VESversion");
 
-    }
+            log.debug("Modified event:" + event);
+
+        }
 }
diff --git a/src/main/java/org/onap/dcae/controller/FetchDynamicConfig.java b/src/main/java/org/onap/dcae/controller/FetchDynamicConfig.java
index 5ef44f5c..655b9755 100644
--- a/src/main/java/org/onap/dcae/controller/FetchDynamicConfig.java
+++ b/src/main/java/org/onap/dcae/controller/FetchDynamicConfig.java
@@ -80,6 +80,7 @@ public class FetchDynamicConfig {
                 log.error(
                     "Error in writing configuration into file /opt/app/KV-Configuration.json "
                         + jsonObject, e);
+		e.printStackTrace();
             }
         } else {
             log.info(">>>Static configuration to be used");
@@ -110,6 +111,7 @@ public class FetchDynamicConfig {
             ipr.close();
         } catch (IOException e) {
             log.error("error", e);
+            e.printStackTrace();
         }
         return result;
 
diff --git a/src/main/java/org/onap/dcae/controller/LoadDynamicConfig.java b/src/main/java/org/onap/dcae/controller/LoadDynamicConfig.java
index a28bca86..1f77751d 100644
--- a/src/main/java/org/onap/dcae/controller/LoadDynamicConfig.java
+++ b/src/main/java/org/onap/dcae/controller/LoadDynamicConfig.java
@@ -50,9 +50,6 @@ public class LoadDynamicConfig {
 
     public static void main(String[] args) {
         Map<String, String> env = System.getenv();
-        /*for (String envName : env.keySet()) {
-            System.out.format("%s=%s%n", envName, env.get(envName));
-		}*/
 
         //Check again to ensure new controller deployment related config
         if (env.containsKey("CONSUL_HOST") &&
@@ -95,6 +92,7 @@ public class LoadDynamicConfig {
 
             } catch (ConfigurationException e) {
                 log.error(e.getLocalizedMessage(), e);
+                e.printStackTrace();
 
             }
 
@@ -117,6 +115,7 @@ public class LoadDynamicConfig {
             br.close();
         } catch (Exception e) {
             log.error(e.getLocalizedMessage(), e);
+	    e.printStackTrace();
         }
         return result;
     }
diff --git a/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java b/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java
index a8bfc24e..c18901dc 100644
--- a/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java
+++ b/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java
@@ -57,12 +57,6 @@ public class RestfulCollectorServlet extends CommonServlet
 	public RestfulCollectorServlet ( rrNvReadable settings ) throws loadException, missingReqdSetting
 	{
 		super ( settings, "collector", false );
-		//authid =  settings.getString(CommonStartup.kSetting_authid,null);
-		/*if (authid != null)
-		{
-			String authpwdtemp = settings.getString(CommonStartup.kSetting_authpwd,null);
-			authpwd =  new String(Base64.decodeBase64(authpwdtemp));
-		}*/
 		authlist = settings.getString(CommonStartup.kSetting_authlist,null);
 	}
 
diff --git a/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java b/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java
index e6b7d20c..5ee3b792 100644
--- a/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java
+++ b/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -49,230 +49,227 @@ import java.util.regex.Pattern;
 
 public class EventReceipt extends NsaBaseEndpoint {
 
-    private static final Logger log = LoggerFactory.getLogger(EventReceipt.class);
-    private static final String MESSAGE = " Message:";
-    static String valresult;
-    static JSONObject customerror;
-
-
-    public static void receiveVESEvent(DrumlinRequestContext ctx) {
-        // the request body carries events. assume for now it's an array
-        // of json objects that fits in memory. (See cambria's parsing for
-        // handling large messages)
-
-        NsaSimpleApiKey retkey = null;
-
-        JSONArray jsonArray;
-        JSONArray jsonArrayMod = new JSONArray();
-        JSONObject event;
-        JSONObject jsonObject;
-        FileReader fr = null;
-        InputStream istr = null;
-        int arrayFlag = 0;
-        String vesVersion = null;
-
-        try {
-            //System.out.print("Version string:" + version);
-
-            // String br = new BufferedReader(new InputStreamReader(ctx.request().getBodyStream())).readLine();
-            // JsonElement msg = new JsonParser().parse(new BufferedReader(new InputStreamReader(ctx.request().getBodyStream())).readLine());
-            // jsonArray = new JSONArray ( new JSONTokener ( ctx.request().getBodyStream () ) );
-
-            log.debug("Request recieved :" + ctx.request().getRemoteAddress());
-            istr = ctx.request().getBodyStream();
-            jsonObject = new JSONObject(new JSONTokener(istr));
-
-            log.info("ctx getPathInContext: " + ctx.request().getPathInContext());
-            Pattern p = Pattern.compile("(v\\d+)");
-            Matcher m = p.matcher(ctx.request().getPathInContext());
-
-            if (m.find()) {
-                log.info("VES version:" + m.group());
-                vesVersion = m.group();
-            }
-            if (ctx.request().getPathInContext().contains("eventBatch")) {
-                CommonStartup.inlog.info(
-                    ctx.request().getRemoteAddress() + "VES Batch Input Messsage: " + jsonObject);
-                log.info(
-                    ctx.request().getRemoteAddress() + "VES Batch Input Messsage: " + jsonObject);
-                arrayFlag = 1;
-            } else {
-                CommonStartup.inlog
-                    .info(ctx.request().getRemoteAddress() + "Input Messsage: " + jsonObject);
-                log.info(ctx.request().getRemoteAddress() + "Input Messsage: " + jsonObject);
-
-            }
-
-            UUID uuid = UUID.randomUUID();
-            LoggingContext localLC = VESLogger.getLoggingContextForThread(uuid);
-            localLC.put(EcompFields.kBeginTimestampMs, SaClock.now());
-
-            try {
-                if (CommonStartup.authflag == 1) {
-                    retkey = NsaBaseEndpoint.getAuthenticatedUser(ctx);
-                }
-            } catch (NullPointerException x) {
-                log.info(
-                    "Invalid user request " + ctx.request().getContentType() + MESSAGE
-                        + jsonObject);
-                CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: Unauthorized user" + x);
-                respondWithCustomMsginJson(ctx, HttpStatusCodes.k401_unauthorized, "Invalid user");
-                return;
-            }
-
-            if (retkey != null || CommonStartup.authflag == 0) {
-                if (CommonStartup.schema_Validatorflag > 0) {
-
-                    //fr = new FileReader(CommonStartup.schemaFile);
-                    fr = new FileReader(schemaFileVersion(vesVersion));
-                    String schema = new JsonParser().parse(fr).toString();
-
-                    valresult = CommonStartup.schemavalidate(jsonObject.toString(), schema);
-                    if ("true".equals(valresult)) {
-                        log.info("Validation successful");
-                    } else if ("false".equals(valresult)) {
-                        log.info("Validation failed");
-                        respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
-                            "Schema validation failed");
-
-                        return;
-                    } else {
-                        log.error("Validation errored" + valresult);
-                        respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
-                            "Couldn't parse JSON object");
-                        return;
-
-                    }
-
-                    if (arrayFlag == 1) {
-                        jsonArray = jsonObject.getJSONArray("eventList");
-                        log.info("Validation successful for all events in batch");
-                        for (int i = 0; i < jsonArray.length(); i++) {
-                            event = new JSONObject().put("event", jsonArray.getJSONObject(i));
-                            event.put("VESuniqueId", uuid + "-" + i);
-                            event.put("VESversion", vesVersion);
-                            jsonArrayMod.put(event);
-                        }
-
-                        log.info("Modified jsonarray:" + jsonArrayMod);
-
-                    } else {
-
-                        jsonObject.put("VESuniqueId", uuid);
-                        jsonObject.put("VESversion", vesVersion);
-                        jsonArrayMod = new JSONArray().put(jsonObject);
-                    }
-
-                }
-                // reject anything that's not JSON
-                if (!ctx.request().getContentType().equalsIgnoreCase("application/json")) {
-                    log.info(String.format("Rejecting request with content type %s Message:%s",
-                        ctx.request().getContentType(), jsonObject));
-                    respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
-                        "Incorrect message content-type; only accepts application/json messages");
-                    return;
-                }
-
-                CommonStartup.handleEvents(jsonArrayMod);
-            } else {
-                log.info(
-                    String.format("Unauthorized request %s%s%s", ctx.request().getContentType(),
-                        MESSAGE, jsonObject));
-                respondWithCustomMsginJson(ctx, HttpStatusCodes.k401_unauthorized,
-                    "Unauthorized user");
-                return;
-            }
-        } catch (JSONException | NullPointerException | IOException x) {
-            log.error(String
-                .format("Couldn't parse JSON Array - HttpStatusCodes.k400_badRequest%d%s%s",
-                    HttpStatusCodes.k400_badRequest, MESSAGE, x.getMessage()));
-            CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: Invalid user request " + x);
-            respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
-                "Couldn't parse JSON object");
-            return;
-        } catch (QueueFullException e) {
-            log.error("Collector internal queue full  :" + e.getMessage(), e);
-            CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: QueueFull" + e);
-            respondWithCustomMsginJson(ctx, HttpStatusCodes.k503_serviceUnavailable, "Queue full");
-            return;
-        } finally {
-            if (fr != null) {
-                safeClose(fr);
-            }
-
-            if (istr != null) {
-                safeClose(istr);
-            }
-        }
-        log.info("MessageAccepted and k200_ok to be sent");
-        ctx.response()
-            .sendErrorAndBody(HttpStatusCodes.k200_ok, "Message Accepted", MimeTypes.kAppJson);
-    }
-
-
-    public static void respondWithCustomMsginJson(DrumlinRequestContext ctx, int sc, String msg) {
-        String[] str;
-        String exceptionType = "GeneralException";
-
-        str = CustomExceptionLoader.LookupMap(String.valueOf(sc), msg);
-        log.info("Post CustomExceptionLoader.LookupMap" + str);
-
-        if (str != null) {
-
-            if (str[0].matches("SVC")) {
-                exceptionType = "ServiceException";
-            } else if (str[1].matches("POL")) {
-                exceptionType = "PolicyException";
-            }
-
-            JSONObject jb = new JSONObject().put("requestError",
-                new JSONObject().put(exceptionType,
-                    new JSONObject().put("MessagID", str[0]).put("text", str[1])));
-
-            log.debug("Constructed json error : " + jb);
-            ctx.response().sendErrorAndBody(sc, jb.toString(), MimeTypes.kAppJson);
-        } else {
-            JSONObject jb = new JSONObject().put("requestError",
-                new JSONObject()
-                    .put(exceptionType, new JSONObject().put("Status", sc).put("Error", msg)));
-            ctx.response().sendErrorAndBody(sc, jb.toString(), MimeTypes.kAppJson);
-        }
-
-    }
-
-    public static void safeClose(FileReader fr) {
-        if (fr != null) {
-            try {
-                fr.close();
-            } catch (IOException e) {
-                log.error("Error closing file reader stream : " + e);
-            }
-        }
-
-    }
-
-    public static void safeClose(InputStream is) {
-        if (is != null) {
-            try {
-                is.close();
-            } catch (IOException e) {
-                log.error("Error closing Input stream : " + e);
-            }
-        }
-
-    }
-
-    public static String schemaFileVersion(String version) {
-        String filename = null;
-
-        if (CommonStartup.schemaFileJson.has(version)) {
-            filename = CommonStartup.schemaFileJson.getString(version);
-        } else {
-            filename = CommonStartup.schemaFile;
-        }
-        log.info(String.format("VESversion: %s Schema File:%s", version, filename));
-        return filename;
-
-    }
+	private static final Logger log = LoggerFactory.getLogger(EventReceipt.class);
+	private static final String MESSAGE = " Message:";
+	static String valresult;
+	static JSONObject customerror;
+
+	public static void receiveVESEvent(DrumlinRequestContext ctx) {
+		// the request body carries events. assume for now it's an array
+		// of json objects that fits in memory. (See cambria's parsing for
+		// handling large messages)
+
+		NsaSimpleApiKey retkey = null;
+
+		JSONArray jsonArray;
+		JSONArray jsonArrayMod = new JSONArray();
+		JSONObject event;
+		JSONObject jsonObject;
+		FileReader fr = null;
+		InputStream istr = null;
+		int arrayFlag = 0;
+		String vesVersion = null;
+
+		try {
+			// System.out.print("Version string:" + version);
+
+			// String br = new BufferedReader(new
+			// InputStreamReader(ctx.request().getBodyStream())).readLine();
+			// JsonElement msg = new JsonParser().parse(new BufferedReader(new
+			// InputStreamReader(ctx.request().getBodyStream())).readLine());
+			// jsonArray = new JSONArray ( new JSONTokener (
+			// ctx.request().getBodyStream () ) );
+
+			log.debug("Request recieved :" + ctx.request().getRemoteAddress());
+			istr = ctx.request().getBodyStream();
+			jsonObject = new JSONObject(new JSONTokener(istr));
+
+			log.info("ctx getPathInContext: " + ctx.request().getPathInContext());
+			Pattern p = Pattern.compile("(v\\d+)");
+			Matcher m = p.matcher(ctx.request().getPathInContext());
+
+			if (m.find()) {
+				log.info("VES version:" + m.group());
+				vesVersion = m.group();
+				m = null;
+				p = null;
+
+			}
+			
+			final UUID uuid = UUID.randomUUID();
+			LoggingContext localLC = VESLogger.getLoggingContextForThread(uuid);
+			localLC.put(EcompFields.kBeginTimestampMs, SaClock.now());
+			
+			if (ctx.request().getPathInContext().contains("eventBatch")) {
+				CommonStartup.inlog.info(ctx.request().getRemoteAddress() + "VESUniqueID-Prefix:" + uuid
+						+ " VES Batch Input Messsage: " + jsonObject);
+				log.info(ctx.request().getRemoteAddress() + "VESUniqueID-Prefix:" + uuid + " VES Batch Input Messsage: "
+						+ jsonObject);
+				arrayFlag = 1;
+			} else {
+				CommonStartup.inlog.info(
+						ctx.request().getRemoteAddress() + "VESUniqueID:" + uuid + " Input Messsage: " + jsonObject);
+				log.info(ctx.request().getRemoteAddress() + "VESUniqueID:" + uuid + " Input Messsage: " + jsonObject);
+
+			}
+
+			try {
+				if (CommonStartup.authflag == 1) {
+					retkey = NsaBaseEndpoint.getAuthenticatedUser(ctx);
+				}
+			} catch (NullPointerException x) {
+				log.info("Invalid user request " + ctx.request().getContentType() + MESSAGE + jsonObject);
+				CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: Unauthorized user" + x);
+				respondWithCustomMsginJson(ctx, HttpStatusCodes.k401_unauthorized, "Invalid user");
+				return;
+			}
+
+			if (retkey != null || CommonStartup.authflag == 0) {
+				if (CommonStartup.schema_Validatorflag > 0) {
+					if ((arrayFlag == 1) && (jsonObject.has("eventList") && (!jsonObject.has("event")))
+							|| ((arrayFlag == 0) && (!jsonObject.has("eventList") && (jsonObject.has("event"))))) {
+						fr = new FileReader(schemaFileVersion(vesVersion));
+						String schema = new JsonParser().parse(fr).toString();
+
+						valresult = CommonStartup.schemavalidate(jsonObject.toString(), schema);
+						if (valresult.equals("true")) {
+							log.info("Validation successful");
+						} else if (valresult.equals("false")) {
+							log.info("Validation failed");
+							respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
+									"Schema validation failed");
+							return;
+						} else {
+							log.error("Validation errored" + valresult);
+							respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
+									"Couldn't parse JSON object");
+							return;
+						}
+					} else {
+						log.info("Validation failed");
+						respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest, "Schema validation failed");
+						return;
+					}
+					if (arrayFlag == 1) {
+						jsonArray = jsonObject.getJSONArray("eventList");
+						log.info("Validation successful for all events in batch");
+						for (int i = 0; i < jsonArray.length(); i++) {
+							event = new JSONObject().put("event", jsonArray.getJSONObject(i));
+							event.put("VESuniqueId", uuid + "-" + i);
+							event.put("VESversion", vesVersion);
+							jsonArrayMod.put(event);
+						}
+						log.info("Modified jsonarray:" + jsonArrayMod.toString());
+					} else {
+						jsonObject.put("VESuniqueId", uuid);
+						jsonObject.put("VESversion", vesVersion);
+						jsonArrayMod = new JSONArray().put(jsonObject);
+					}
+				}
+
+				// reject anything that's not JSON
+				if (!ctx.request().getContentType().equalsIgnoreCase("application/json")) {
+					log.info(String.format("Rejecting request with content type %s Message:%s",
+							ctx.request().getContentType(), jsonObject));
+					respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest,
+							"Incorrect message content-type; only accepts application/json messages");
+					return;
+				}
+
+				CommonStartup.handleEvents(jsonArrayMod);
+			} else {
+				log.info(String.format("Unauthorized request %s%s%s", ctx.request().getContentType(), MESSAGE,
+						jsonObject));
+				respondWithCustomMsginJson(ctx, HttpStatusCodes.k401_unauthorized, "Unauthorized user");
+				return;
+			}
+		} catch (JSONException | NullPointerException | IOException x) {
+			log.error(String.format("Couldn't parse JSON Array - HttpStatusCodes.k400_badRequest%d%s%s",
+					HttpStatusCodes.k400_badRequest, MESSAGE, x.getMessage()));
+			CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: Invalid user request " + x);
+			respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest, "Couldn't parse JSON object");
+			return;
+		} catch (QueueFullException e) {
+			log.error("Collector internal queue full  :" + e.getMessage(), e);
+			CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: QueueFull" + e);
+			respondWithCustomMsginJson(ctx, HttpStatusCodes.k503_serviceUnavailable, "Queue full");
+			return;
+		} finally {
+			if (fr != null) {
+				safeClose(fr);
+			}
+
+			if (istr != null) {
+				safeClose(istr);
+			}
+		}
+		log.info("MessageAccepted and k200_ok to be sent");
+		ctx.response().sendErrorAndBody(HttpStatusCodes.k200_ok, "Message Accepted", MimeTypes.kAppJson);
+	}
+
+	public static void respondWithCustomMsginJson(DrumlinRequestContext ctx, int sc, String msg) {
+		String[] str;
+		String exceptionType = "GeneralException";
+
+		str = CustomExceptionLoader.LookupMap(String.valueOf(sc), msg);
+		log.info("Post CustomExceptionLoader.LookupMap" + str);
+
+		if (str != null) {
+
+			if (str[0].matches("SVC")) {
+				exceptionType = "ServiceException";
+			} else if (str[1].matches("POL")) {
+				exceptionType = "PolicyException";
+			}
+
+			JSONObject jb = new JSONObject().put("requestError",
+					new JSONObject().put(exceptionType, new JSONObject().put("MessagID", str[0]).put("text", str[1])));
+
+			log.debug("Constructed json error : " + jb);
+			ctx.response().sendErrorAndBody(sc, jb.toString(), MimeTypes.kAppJson);
+		} else {
+			JSONObject jb = new JSONObject().put("requestError",
+					new JSONObject().put(exceptionType, new JSONObject().put("Status", sc).put("Error", msg)));
+			ctx.response().sendErrorAndBody(sc, jb.toString(), MimeTypes.kAppJson);
+		}
+
+	}
+
+	public static void safeClose(FileReader fr) {
+		if (fr != null) {
+			try {
+				fr.close();
+			} catch (IOException e) {
+				log.error("Error closing file reader stream : " + e);
+			}
+		}
+
+	}
+
+	public static void safeClose(InputStream is) {
+		if (is != null) {
+			try {
+				is.close();
+			} catch (IOException e) {
+				log.error("Error closing Input stream : " + e);
+			}
+		}
+
+	}
+
+	public static String schemaFileVersion(String version) {
+		String filename = null;
+
+		if (CommonStartup.schemaFileJson.has(version)) {
+			filename = CommonStartup.schemaFileJson.getString(version);
+		} else {
+			filename = CommonStartup.schemaFileJson.getString("v5");
+
+		}
+		log.info(String.format("VESversion: %s Schema File:%s", version, filename));
+		return filename;
+
+	}
 
 }
+