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Tomcat Integration

The following guide explains how to deploy ServiceMix on the Apache Tomcat application server.

Pre-Installation Requirements

The recommended software environment is:

  • Java Developer Kit (JDK) 1.4.x or greater to run ServiceMix and 1.5.x or greater to build ServiceMix.
  • The JAVA_HOME environment variable must be set to the directory where the JDK is installed, e.g. c:\Program Files\Java\jdk1.5.xx.
  • Maven 1.0.2 or greater (required when installing source or developers' releases).
  • Apache Tomcat version 5.5

The following is the platform which was used to produce this document:

  • Windows XP
  • Tomcat 5.5
  • Java 5

Deploying ServiceMix on Tomcat

Execute the following steps to deploy ServiceMix on Apache Tomcat. Note: this procedure will work on Unix platforms as well as the Windows platform, with the appropriate substitutions, such as using the backslash instead of the forward slash.

  1. Apache Tomcat must be downloaded and installed. For instructions please see the Tomcat web site.
  2. By default Tomcat uses port 8080. Please note if your installation has Tomcat on another port, such as port 80.
  3. Download and build the ServiceMix source code. Please see the Getting Started guide for instructions.
    Note: ServiceMix must be BUILT as well as downloaded.
  4. Create the WAR file: 
    cd [servicemix_install_dir]\tooling\servicemix-web
maven war
    where servicemix_install_dir is the directory in which ServiceMix was downloaded and installed.
  5. To deploy the WAR file, servicemix-web.war, copy it to the Tomcat webapps directory. For example, on a Windows system: 
    cd [servicemix_install_dir]\tooling\servicemix-web\target
copy servicemix-web.war [tomcat_install_dir]\webapps
    where tomcat_install_dir is the directory in which Tomcat was installed.
  6. Stop and start Tomcat to deploy the ServiceMix WAR file.
  7. If there are errors indicating missing classes when Tomcat starts, perform the followng steps:
    1. Stop Tomcat.
    2. Install additional jar files in the deployed ServiceMix directory. The missing jar files are: commons-collections-3.1.jar and commons-pool-1.2.jar. These can be obtained by using a search engine and searching for them. Or they can found in your Maven repository, which is usually located in your_home_dir\.maven\repository. Specifically, your_home_dir\.maven\repository\commons-collections\jars and your_home_dir\.maven\repository\commons-pool\jars. 
        
copy commons-collections-3.1.jar [tomcat_install_dir]\webapps\servicemix-web\WEB-INF\lib 
copy commons-pool-1.2.jar [tomcat_install_dir]\webapps\servicemix-web\WEB-INF\lib
    3. Start Tomcat.
      The Tomcat console output should show ServiceMix starting: 
      INFO: Deploying web application archive servicemix-web.war
Nov 1, 2005 11:03:54 AM org.springframework.web.context.ContextLoader initWebApplicationContext
INFO: Root WebApplicationContext: initialization started
Nov 1, 2005 11:03:54 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from ServletContext resource [/WEB-INF/applicationContext.xml]
Nov 1, 2005 11:03:55 AM org.springframework.core.CollectionFactory <clinit>
INFO: JDK 1.4+ collections available
Nov 1, 2005 11:03:55 AM org.springframework.core.CollectionFactory <clinit>
INFO: Commons Collections 3.x available
Nov 1, 2005 11:03:55 AM org.springframework.context.support.AbstractRefreshableApplicationContext refreshBeanFactory
INFO: Bean factory for application context [Root WebApplicationContext]: org.springframework.beans.factory.support.DefaultListableBeanFactory defining beans [jencks,broker,transactionManager,jmsFactory,jbi]; root of BeanFactory hierarchy
Nov 1, 2005 11:03:55 AM org.springframework.context.support.AbstractApplicationContext refresh
INFO: 5 beans defined in application context [Root WebApplicationContext]
Nov 1, 2005 11:03:55 AM org.springframework.context.support.AbstractApplicationContext initMessageSource
INFO: Unable to locate MessageSource with name 'messageSource': using default [org.springframework.context.support.DelegatingMessageSource@1049d3]
Nov 1, 2005 11:03:55 AM org.springframework.context.support.AbstractApplicationContext initApplicationEventMulticaster
INFO: Unable to locate ApplicationEventMulticaster with name 'applicationEventMulticaster': using default [org.springframework.context.event.SimpleApplicationEventMulticaster@14a7a12]
Nov 1, 2005 11:03:55 AM org.springframework.ui.context.support.UiApplicationContextUtils initThemeSource
INFO: No ThemeSource found for [Root WebApplicationContext]: using ResourceBundleThemeSource
Nov 1, 2005 11:03:55 AM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
INFO: Pre-instantiating singletons in factory [org.springframework.beans.factory.support.DefaultListableBeanFactory defining beans [jencks,broker,transactionManager,jmsFactory,jbi]; root of BeanFactory hierarchy]
Nov 1, 2005 11:03:55 AM org.springframework.beans.factory.support.AbstractBeanFactory getBean
INFO: Creating shared instance of singleton bean 'jencks'
Nov 1, 2005 11:03:56 AM org.springframework.beans.factory.support.AbstractBeanFactory getBean
INFO: Creating shared instance of singleton bean 'broker'
...
      Note: The console output is also logged in tomcat_home_dir\logs\catalina.xxxx-xx-xx.log.

Testing the ServiceMix Deployment on Tomcat

To ensure that ServiceMix is running on Tomcat do any of the following:

  1. Review the Tomcat console output or the Tomcat log files (see above) and look for servicemix-web starting without any errors.
  2. ServiceMix's default port is 1099. From another window run netstat and search for port 1099.
    From a Windows console, type: 
           
netstat -an|find "1099"

    OR

    From a Unix command shell, type: 
    netstat -an|grep 1099

  3. Run the ServiceMix JMX Console. To do this enter the following URL in a web browser: http://localhost:8080/servicemix-web. Optionally, look at the following in the console:
    1. Click on "Catalina".
    2. Click on "Unknown".
    3. Click on the "JMXServlet WebModule" to get monitoring information about the JMX Servlet itself:



  4. For ServiceMix 1.x do the following to run the example program:
    1. From a browser, enter the following URL: http://localhost:8080/servicemix-web/examples. Note: if Tomcat is using a different port, such as port 80, substitute the correct port number for 8080 in the URL.



    2. Click on the "perform a GET" link. If an HTTP 404 error occurs, go to the next step. If there is no error you will see:



    3. If there was an HTTP 404 error, the index.html file needs to be modified. The index.html file is located in the tomcat_install_dir\webapps\servicemix-web\examples directory. After editing the file, return to step 1. 
      Change this line: 
<li><a href="/jbi/exampleUri?x=123&name=James&location=London">perform a GET</a> into the HTTP binding</li>

to

<li><a href="/servicemix-web/jbi/exampleUri?x=123&name=James&location=London">perform a GET</a> into the HTTP binding</li>

    4. Use the ServiceMix JMX Console to see monitoring information on the httpBinding example just run.
      1. From a browser, enter the following URL: http://localhost:8080/servicemix-web. Note: If Tomcat is not running on port 8080, substitute the correct port number for 8080.
      2. Click on "org.servicemix."
      3. Click on "org.servicemix.jbi.framework.ComponentMBeanImpl". In the right-hand frame, scroll to the right to see statistics for the httpbinding example.



  5. For ServiceMix 2.x do the following to run the example program:
    1. Before attempting to run the example program, first check that the class file HelloWorldComponent.class exists. Do a directory listing of the following and look for the file. 
      cd [tomcat_install_dir]\webapps\servicemix-web\WEB-INF\classes\org\servicemix\components
    2. If the file HelloWorldComponent.class does not exist and possibly the directory components does not exist do the following:
      1. Create the components directory in the ServiceMix source distribution: 
        cd [servicemix_install_dir\]\tooling\servicemix-web\src\main\java\org\servicemix
mkdir components
      2. Copy the HelloWorldComponent.java file to the components directory created above. The java file can be created by cutting and pasting the following code: 
        package org.servicemix.components;

import org.servicemix.components.util.TransformComponentSupport;
import org.servicemix.jbi.jaxp.StringSource;

import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.MessagingException;
import javax.jbi.messaging.NormalizedMessage;

public class HelloWorldComponent extends TransformComponentSupport {

    private String property;
    
    protected boolean transform(MessageExchange exchange, NormalizedMessage in, NormalizedMessage out)
            throws MessagingException {
        out.setContent(new StringSource("<hello>" + in.getProperty(property) + "</hello>"));
        return true;
    }

    public String getProperty() {
        return property;
    }

    public void setProperty(String property) {
        this.property = property;
    }

}
    3. From a browser, enter the following URL: http://localhost:8080/servicemix-web/examples. Note: if Tomcat is using a different port, such as port 80, substitute the correct port number for 8080 in the URL.



    4. Click on the "perform a GET" link. If an HTTP 404 error occurs, go to the next step. If there is no error you will see:



    5. If there was an HTTP 404 error, the index.html file needs to be modified. The index.html file is located in the tomcat_install_dir\webapps\servicemix-web\examples directory. After editing the file, return to step 1. 
      Change this line: 
<li><a href="/jbi/exampleUri?x=123&name=James&location=London">perform a GET</a> into the HTTP binding</li>

to

<li><a href="/servicemix-web/jbi/exampleUri?x=123&name=James&location=London">perform a GET</a> into the HTTP binding</li>

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