tomcat:deploy: “Cannot invoke Tomcat manager: Connection refused”

When using the tomcat 7 plugin, do the following:

pom.xml

<plugin>
    <groupId>org.apache.tomcat.maven</groupId>
    <artifactId>tomcat7-maven-plugin</artifactId>
    <version>2.2</version>
    <configuration>
        <url>http://localhost:8080/manager/text</url>
        <server>tomcatserver</server>
        <path>/mycontext</path>
        <username>admin</username>
        <password>admin</password>
    </configuration>
</plugin>

settings.xml

<server>
    <id>tomcatserver</id>
    <username>admin</username>
    <password>admin</password>
</server>

tomcat-users.xml

<user username="admin" password="admin" roles="manager-script"/>

run

mvn tomcat7:deploy