diff --git a/broker/src/main/java/org/dna/mqtt/moquette/server/Server.java b/broker/src/main/java/org/dna/mqtt/moquette/server/Server.java
index 81b531d1..6625ed96 100644
--- a/broker/src/main/java/org/dna/mqtt/moquette/server/Server.java
+++ b/broker/src/main/java/org/dna/mqtt/moquette/server/Server.java
@@ -53,7 +53,7 @@ public class Server {
     }
     
     public void startServer(String nioFrameworkType) throws IOException {
-        LOG.info("Starting server with " + nioFrameworkType + " connectors");
+        System.out.println("Starting server with " + nioFrameworkType + " connectors");
         messaging = SimpleMessaging.getInstance();
         messaging.init();
         
@@ -66,10 +66,10 @@ public class Server {
     }
     
     public void stopServer() {
-        LOG.info("Server stopping...");
+        System.out.println("Server stopping...");
         messaging.stop();
         m_acceptor.close();
-        LOG.info("Server stopped");
+        System.out.println("Server stopped");
     }
     
     
diff --git a/broker/src/main/resources/log4j.properties b/broker/src/main/resources/log4j.properties
index bb496264..e94b4488 100644
--- a/broker/src/main/resources/log4j.properties
+++ b/broker/src/main/resources/log4j.properties
@@ -9,9 +9,9 @@ log4j.rootLogger=ERROR, A1
 #log4j.logger.org.dna.mqtt.moquette.proto.MQTTLoggingFilter=DEBUG
 #log4j.logger.org.dna.mqtt.moquette.proto.PublishDecoder=DEBUG
 
-log4j.logger.org.dna.mqtt=INFO
+log4j.logger.org.dna.mqtt=WARN
 log4j.logger.org.dna.mqtt.moquette.server.ServerIntegrationFuseTest=DEBUG
-log4j.logger.org.dna.mqtt.moquette.messaging.spi.impl.ProtocolProcessor=DEBUG
+log4j.logger.org.dna.mqtt.moquette.messaging.spi.impl.ProtocolProcessor=WARN
 
 # A1 is set to be a ConsoleAppender.
 log4j.appender.A1=org.apache.log4j.ConsoleAppender
diff --git a/parser/src/main/resources/log4j.properties b/parser/src/test/resources/log4j.properties
similarity index 97%
rename from parser/src/main/resources/log4j.properties
rename to parser/src/test/resources/log4j.properties
index 2bf76ccf..b1dfbfbf 100644
--- a/parser/src/main/resources/log4j.properties
+++ b/parser/src/test/resources/log4j.properties
@@ -1,19 +1,19 @@
-# Set root logger level to DEBUG and its only appender to A1.
-#log4j.rootLogger=ERROR, A1
-log4j.rootLogger=INFO, A1
-#log4j.rootLogger=WARN, A1
-#log4j.logger.org.dna.mqtt.moquette.client=WARN
-#log4j.logger.org.mina=WARN
-#log4j.logger.org.dna.mqtt.moquette.server=DEBUG
-#log4j.logger.org.dna.mqtt.moquette.messaging=DEBUG
-#log4j.logger.org.dna.mqtt.moquette.proto.MQTTLoggingFilter=DEBUG
-#log4j.logger.org.dna.mqtt.moquette.proto.PublishDecoder=DEBUG
-
-log4j.logger.org.dna.mqtt.bechnmark=INFO
-
-# A1 is set to be a ConsoleAppender.
-log4j.appender.A1=org.apache.log4j.ConsoleAppender
-
-# A1 uses PatternLayout.
-log4j.appender.A1.layout=org.apache.log4j.PatternLayout
+# Set root logger level to DEBUG and its only appender to A1.
+#log4j.rootLogger=ERROR, A1
+log4j.rootLogger=INFO, A1
+#log4j.rootLogger=WARN, A1
+#log4j.logger.org.dna.mqtt.moquette.client=WARN
+#log4j.logger.org.mina=WARN
+#log4j.logger.org.dna.mqtt.moquette.server=DEBUG
+#log4j.logger.org.dna.mqtt.moquette.messaging=DEBUG
+#log4j.logger.org.dna.mqtt.moquette.proto.MQTTLoggingFilter=DEBUG
+#log4j.logger.org.dna.mqtt.moquette.proto.PublishDecoder=DEBUG
+
+log4j.logger.org.dna.mqtt.bechnmark=INFO
+
+# A1 is set to be a ConsoleAppender.
+log4j.appender.A1=org.apache.log4j.ConsoleAppender
+
+# A1 uses PatternLayout.
+log4j.appender.A1.layout=org.apache.log4j.PatternLayout
 log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c{1} %x - %m%n
\ No newline at end of file
diff --git a/tools_scripts/bunch_publish_issue12.groovy b/tools_scripts/bunch_publish_issue12.groovy
new file mode 100644
index 00000000..4770431b
--- /dev/null
+++ b/tools_scripts/bunch_publish_issue12.groovy
@@ -0,0 +1,24 @@
+import org.eclipse.paho.client.mqttv3.MqttClient
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.MqttException
+import org.eclipse.paho.client.mqttv3.MqttDefaultFilePersistence
+
+String tmpDir = System.getProperty("java.io.tmpdir")
+MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir)
+
+MqttClient client = new MqttClient("tcp://localhost:1883", "SampleClient", dataStore)
+client.connect()
+println "connected"
+(1..10).each {
+    //MqttMessage message = new MqttMessage("Hello world!! $it".toString().bytes)
+    String s = "Hello World!! $it"
+    MqttMessage message = new MqttMessage(s.bytes)
+    message.qos = 2
+    message.retained = true
+    print "publishing.."
+    client.getTopic("log").publish(message)
+    println "published"
+}
+
+client.disconnect()
+println "disconnected"
\ No newline at end of file
diff --git a/tools_scripts/list-broker-topics.rb b/tools_scripts/list-broker-topics.rb
new file mode 100644
index 00000000..6aa92ed2
--- /dev/null
+++ b/tools_scripts/list-broker-topics.rb
@@ -0,0 +1,10 @@
+#!/usr/bin/env ruby
+ 
+require 'rubygems'
+require 'mqtt'
+ 
+MQTT::Client.connect('localhost',1883) do |client|
+        client.get('#') do |topic,message|
+                puts "#{topic}: #{message}"
+        end
+end
diff --git a/tools_scripts/paho_test_issue8.groovy b/tools_scripts/paho_test_issue8.groovy
new file mode 100644
index 00000000..25dcd740
--- /dev/null
+++ b/tools_scripts/paho_test_issue8.groovy
@@ -0,0 +1,20 @@
+@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-releases/")
+@Grab(group='org.eclipse.paho', module='mqtt-client', version='0.4.0')
+
+import org.eclipse.paho.client.mqttv3.MqttClient
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.MqttException
+import org.eclipse.paho.client.mqttv3.MqttDefaultFilePersistence
+
+String tmpDir = System.getProperty("java.io.tmpdir")
+MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir)
+
+MqttClient client = new MqttClient("tcp://localhost:1883", "SampleClient", dataStore)
+client.connect()
+MqttMessage message = new MqttMessage('Hello world!!'.bytes)
+message.setQos(2)
+print "publishing.."
+client.getTopic("log").publish(message)
+println "published"
+client.disconnect()
+println "disconnected"
\ No newline at end of file
diff --git a/tools_scripts/publisher_client.groovy b/tools_scripts/publisher_client.groovy
new file mode 100644
index 00000000..ea0023e4
--- /dev/null
+++ b/tools_scripts/publisher_client.groovy
@@ -0,0 +1,26 @@
+@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-releases/')
+@Grab(group='org.eclipse.paho', module='mqtt-client', version='0.4.0')
+
+import org.eclipse.paho.client.mqttv3.MqttClient
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.MqttException
+import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
+
+String tmpDir = System.getProperty("java.io.tmpdir")
+MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir)
+
+MqttClient client = new MqttClient("tcp://localhost:1883", "PublisherClient", dataStore)
+client.connect()
+MqttMessage message = new MqttMessage('Hello world!!'.bytes)
+message.setQos(0)
+print "publishing.."
+long startTime = System.currentTimeMillis()
+(1..1000000).each {
+    client.publish('topic', 'Hello world!!'.bytes, 0, false)
+}
+client.publish('/exit', 'Exit'.bytes, 0, false)
+long stopTime = System.currentTimeMillis()
+long spentTime = stopTime -startTime
+println "published in ${spentTime} ms"
+client.disconnect()
+println "disconnected"
\ No newline at end of file
diff --git a/tools_scripts/subscriber_client.groovy b/tools_scripts/subscriber_client.groovy
new file mode 100644
index 00000000..44b3b18e
--- /dev/null
+++ b/tools_scripts/subscriber_client.groovy
@@ -0,0 +1,66 @@
+@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-releases/')
+@Grab(group='org.eclipse.paho', module='mqtt-client', version='0.4.0')
+
+import org.eclipse.paho.client.mqttv3.MqttClient
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.MqttException
+import org.eclipse.paho.client.mqttv3.MqttCallback
+import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken
+import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
+
+
+
+class SubscriberCallback implements MqttCallback {
+
+    int m_numReceived = 0
+    long m_startTime
+    boolean firstMessageReceived = false
+    
+    private CountDownLatch m_latch = new CountDownLatch(1)
+    
+    void waitFinish() {
+        m_latch.await()
+    }
+
+    public void connectionLost(Throwable cause) {
+        m_latch.countDown()
+    }
+
+    public void messageArrived(String topic, MqttMessage message) throws Exception {
+        //println "Received message ${new String(message.payload)} on topic [${topic}]"
+        if (!firstMessageReceived) {
+            m_startTime = System.currentTimeMillis()
+            firstMessageReceived = true
+        }
+        if (topic == "/exit") {
+            long stopTime = System.currentTimeMillis()
+            long spentTime = stopTime - m_startTime
+            println "/exit received"
+            println "subscriber disconnected, received ${m_numReceived} messages in ${spentTime} ms"
+            client.disconnect()
+            m_latch.countDown()
+        } else {
+            m_numReceived++
+        }
+    }
+
+    public void deliveryComplete(IMqttDeliveryToken token) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+}
+
+String tmpDir = System.getProperty("java.io.tmpdir")
+MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir)
+
+MqttClient client = new MqttClient("tcp://localhost:1883", "SubscriberClient", dataStore)
+def callback = new SubscriberCallback()
+client.callback = callback
+client.connect()
+client.subscribe("topic", 0)
+println "subscribed to topic"
+client.subscribe("/exit", 0)
+println "subscribed to /exit"
+
+callback.waitFinish()
\ No newline at end of file