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How to mock Mule ESB HTTP outbound Connector in a Functional Unit Test Case?

I am writing a Functional Unit test case to test a Mule Flow containing an inbound and outbound HTTP connector. The flow contains the following components:
An inbound HTTP connector that listens to a rest service call say http://localhost:8080/restapi/id
A logger that displays the id in the logs
A web service consumer that sends the soap request to server2 at the wsdl : http://server2:8080/sample.wsdl
A java component that reads recieves the output from server2 and forms the response for client.
In the functional Unit test case, I am trying to mock the HTTP outbound connector calling the serevr2.
How can I do this?
The flow configuration file code is as below:
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:ws="http://www.mulesoft.org/schema/mule/ws" xmlns:json="http://www.mulesoft.org/schema/mule/json" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
xmlns:spring="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
http://www.mulesoft.org/schema/mule/ws http://www.mulesoft.org/schema/mule/ws/current/mule-ws.xsd
http://www.mulesoft.org/schema/mule/json http://www.mulesoft.org/schema/mule/json/current/mule-json.xsd">
<http:request-config name="HTTP_Request_Configuration" host="server2" port="8080" doc:name="HTTP Request Configuration"/>
<ws:consumer-config name="Web_Service_Consumer" wsdlLocation="http://server2:8080/sample.wsdl" service="sample" port="sample" serviceAddress="sample" doc:name="Web Service Consumer"/>
<flow name="samplehttpflowFlow">
<http:listener config-ref="bookmartmanager-httpListenerConfig" path="/restapi/id" allowedMethods="GET" doc:name="HTTP"/>
<logger message="REST request received at #[java.lang.System.currentTimeMillis()]" level="INFO" doc:name="Logger"/>
<ws:consumer config-ref="Web_Service_Consumer" doc:name="Web Service Consumer"/>
<json:xml-to-json-transformer doc:name="XML to JSON"/>
</flow>
</mule>

Error in sending email in Anypoint Studio (MuleSoft)

Everytime I try to send an email in AnyPoint Studio I get an error. I've tried sending it from other computers and it always works. It just doesn't seem to work in mine and I have no idea why.
This is my .xml:
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:smtp="http://www.mulesoft.org/schema/mule/smtp" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
xmlns:spring="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
http://www.mulesoft.org/schema/mule/smtp http://www.mulesoft.org/schema/mule/smtp/current/mule-smtp.xsd">
<http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8081" doc:name="HTTP Listener Configuration"/>
<smtp:gmail-connector name="Gmail" validateConnections="true" doc:name="Gmail"/>
<flow name="attemptsendemailFlow">
<http:listener config-ref="HTTP_Listener_Configuration" path="/sendemail" doc:name="HTTP"/>
<set-payload value="Hello" doc:name="Set Payload"/>
<smtp:outbound-endpoint host="smtp.gmail.com" user="myemail#gmail.com" password="mypwd" connector-ref="Gmail" to="myemail#gmail.com" from="myemail#gmail.com" subject="This is a test." responseTimeout="10000" doc:name="SMTP"/>
</flow>
</mule>
When I open the browser and type localhost:8081/sendemail, no email is sent and the browser prints this message.
Failed to route event via endpoint: DefaultOutboundEndpoint{endpointUri=smtp://myemail%40gmail.com:<password>#smtp.gmail.com, connector=GmailSmtpConnector
{
name=Gmail
lifecycle=start
this=17e9bc9e
numberOfConcurrentTransactedReceivers=4
createMultipleTransactedReceivers=true
connected=true
supportedProtocols=[smtp]
serviceOverrides=<none>
}
, name='endpoint.smtp.myemail.gmail.com', mep=ONE_WAY, properties={fromAddress=myemail#gmail.com, toAddresses=myemail#gmail.com, subject=This is a test.}, transactionConfig=Transaction{factory=null, action=INDIFFERENT, timeout=0}, deleteUnacceptedMessages=false, initialState=started, responseTimeout=10000, endpointEncoding=UTF-8, disableTransportTransformer=false}.
Funny thing is, I tested the exact same xml in other computers and it works.

I would first test if your computer has connectivity to the Gmail servers.
Try "telnet smtp.gmail.com 587" or the Mac equivalent.

I can't see the port "587" in your flow.You can try the following configuration:
<smtp:outbound-endpoint
connector-ref="emailConnector"
host="smtp.gmail.com"
port="587"
user="<account name>%40gmail.com"
password="<password>"
to="<email addresses>"
from="<account name>#gmail.com"
subject="Test email message"/>
Also check if you have access to call the smtp.gmail.com from your local network

Mule - Retry connection with basic flow

I have a basic mule flow:
HTTP => SOAP => JAVA CLASS
<mule xmlns:cxf="http://www.mulesoft.org/schema/mule/cxf" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
xmlns:spring="http://www.springframework.org/schema/beans" version="EE-3.6.1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
http://www.mulesoft.org/schema/mule/cxf http://www.mulesoft.org/schema/mule/cxf/current/mule-cxf.xsd">
<http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8081" doc:name="HTTP Listener Configuration"/>
<flow name="test_dynamicsFlow">
<http:listener config-ref="HTTP_Listener_Configuration" path="/" doc:name="HTTP"/>
<cxf:jaxws-service doc:name="CXF"/>
<component doc:name="Java"/>
</flow>
</mule>
I would like to make a retrying connection to SOAP with timeout but I don't know if it possible.
I've been looking for error handling connectors:
Should I use these connectors to do that or how can I implement it?

You need to wrap your HTTP call with the until-successful scope.
Example:
<until-successful objectStore-ref="objectStore" maxRetries="5" secondsBetweenRetries="60" >
<http:request config-ref="HTTP_Request_Configuration" path="submit" method="POST" />
</until-successful>
Reference: https://developer.mulesoft.com/docs/display/current/Until+Successful+Scope

Transform Http Response to object mule esb

Im doing a sample bookstore. When the user has booked a order, the system send him an email with the dates from the order. The system send the email but it shows the next error:
Root Exception stack trace:
java.lang.IllegalArgumentException: Cannot apply transformer HttpClientMethodResponseToObject{this=6911a11b, name='HttpClientMethodResponseToPedido', ignoreBadInput=false, returnClass=SimpleDataType{type=org.mule.entities.Pedido, mimeType='text/html'}, sourceTypes=[SimpleDataType{type=org.apache.commons.httpclient.HttpMethod, mimeType='*/*'}]} on source payload: class org.mule.transport.http.HttpResponse
at org.mule.DefaultMuleMessage.applyAllTransformers(DefaultMuleMessage.java:1427)
at org.mule.DefaultMuleMessage.applyTransformers(DefaultMuleMessage.java:1379)
at org.mule.DefaultMuleMessage.applyTransformers(DefaultMuleMessage.java:1371)
+ 3 more (set debug level logging or '-Dmule.verbose.exceptions=true' for everything)
My XML is the next:
<smtp:gmail-connector name="Gmail" validateConnections="true" doc:name="Gmail" contentType="text/html" />
<flow name="Email" doc:name="Email">
<http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8088" doc:name="HTTP" path="Email"/>
<http:static-resource-handler resourceBase="docroot" defaultFile="index.html" doc:name="HTTP Static Resource Handler"/>
</flow>
<flow name="Correo" doc:name="Correo">
<http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8088" path="Facturacion" doc:name="HTTP" transformer-refs="Java"/>
<component doc:name="Generar Pedido" class="org.mule.components.GenerarPedido"/>
<smtp:outbound-endpoint host="smtp.gmail.com" port="587" user="email%40gmail.com" password="pass" connector-ref="Gmail" to="#[payload.email]" from="BookStore S.A." responseTimeout="10000" doc:name="SMTP" transformer-refs="Java1" mimeType="text/html"/>
<http:response-builder status="200" contentType="text/html" doc:name="HTTP Response Builder"/>
<http:http-response-to-object-transformer returnClass="org.mule.entities.Pedido" encoding="UTF-8" mimeType="text/html" doc:name="HTTP Response to Object"/>
</flow>
Anyone can help me?

Your payload is not a HTTP response, so you cannot use the http-response-to-object-transformer. This is used after calling an http:outbound-endpoint which returns a 'HTTP response'.

Mule ESB + TOMCAT Web Application Integration

I have a Spring MVC Web application that performs CRUD operations on Tomcat Server. Can I use Mule ESB as a request handler before Tomcat. For example, users request to localhost:8181/user/create (Mule ESB Port) and Mule redirect request to localhost:8080/user/create (Tomcat Server Port) and sends response back over mule. I am using Mule ESB for webservices, but I don't understand how can I use Mule ESB for web application requests.

You can use the new HTTP module released in 3.6 and create a proxy using this flow:
<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns="http://www.mulesoft.org/schema/mule/core"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:http="http://www.mulesoft.org/schema/mule/http"
xsi:schemaLocation="
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd">
<http:listener-config name="proxyConfig" host="localhost" port="${proxyPort}" />
<http:request-config name="requestConfig" host="localhost" port="${httpPort}" />
<flow name="proxyTemplate">
<http:listener config-ref="proxyConfig" path="/*" responseStreamingMode="AUTO" parseRequest="false" >
<http:response-builder statusCode="#[message.inboundProperties['http.status']]" reasonPhrase="#[message.inboundProperties['http.reason']]" />
</http:listener>
<copy-properties propertyName="*" />
<remove-property propertyName="http.*" />
<copy-attachments attachmentName="*" />
<set-property propertyName="X-Forwarded-For" value="#[message.inboundProperties['http.remote.address']]" />
<http:request config-ref="requestConfig" method="#[message.inboundProperties['http.method']]" path="#[message.inboundProperties['http.request.path']]" parseResponse="false" >
<http:request-builder>
<http:query-params expression="#[message.inboundProperties['http.query.params']]" />
</http:request-builder>
</http:request>
<copy-properties propertyName="*" />
<remove-property propertyName="http.*" />
<copy-attachments attachmentName="*" />
</flow>
</mule>