Starting from WSO2 AS 5.3.0, AS supports JavaEE 6 Web Profile. This support is provided using Apache TomEE, which is a project developed at Apache Software Foundation, and is a Java EE 6 Web Profile certified stack.
In order to deploy javaee webapps in AS (which are written targeting TomEE), the following configurations should be in place:
Enabling the JavaEE runtime
WSO2 leverages a concept called runtime environments to maintain separate runtimes. You can enable the following runtime environments in WSO2 AS: Carbon, Tomcat, CXF and Javaee. See the topic on configuring runtime environments for more descriptive information. Shown below is the configuration to specify 'Javaee' as the runtime environment.
- Open the
webapp-classloading.xmlfile stored in the META-INF folder of your web application.
Enter the following class loading details to enable the Javaee runtime:
You can add other runtimes, in addition to Javaee, by entering a comma separated list for the
The support for Javaee is provided along with Apache TomEE. If you use the Javaee runtime, then TomEE should also be configured in AS as explained below.
The following configurations are required if the Javaee runtime is enabled for your AS as explained above. There are two Apache TomEE configurations:
Setting the default Tomee configurations:
tomee.xmlfile located in the
In this file, you can configure the Datasources, Resources etc. See the following example where the "myDerbyDatasource" datasource is configured as a resource.
See the documentation on Apache TomEE configurations for more examples on how to configure the
Setting the jvm system properties that will be used by TomEE:
system.propertiesfile located in the
Update the required properties. For a comprehensive list of system properties, see http://tomee.apache.org/properties-listing.html.