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These are the notes for the Struts 2.3.1 distribution.

For prior notes in this release series, see Version Notes 2.2.3

• If you are a Maven user, you might want to get started using the Maven Archetype.
• Another quick-start entry point is the blank application. Rename and deploy the WAR as a starting point for your own development.

<dependency>
  <groupId>org.apache.struts</groupId>
  <artifactId>struts2-core</artifactId>
  <version>2.3.1</version>
</dependency>

You can also use Struts Archetype Catalog like below

mvn archetype:generate -DarchetypeCatalog=http://struts.apache.org/2.3.1/

<repositories>
  <repository>
    <id>apache.nexus</id>
    <name>ASF Nexus Staging</name>
    <url>https://repository.apache.org/content/groups/staging/</url>
  </repository>
</repositories>

• The DTD has been updated to provide whitelisting of functions that can be called via Dynamic Method Invocation, via the <allowed-methods> tag inside <action>. (The method specified in the <action> tag is automatically whitelisted.) For example, the following XML allows methods foo, bar, and baz to be called via DMI:

  <action name="..." method="foo">
    <result ... />
    <allowed-methods>bar,baz</allowed-methods>
  </action>

• the Spring Dependencies were upgraded from version 2.5.6 to version 3.0.5.
• a new plugin to support CDI was added, to use CDI support inside your application add struts2-cdi-plugin.jar to your application WEB-INF/lib folder

Internal Changes

• New Portal 2 Plugin replaced the old one Portal Plugin
• OGNL was upgraded to version 3.0.2 to solve problem with running Struts 2 on JDK 5

Issue Detail

• JIRA Release Notes 2.3.1

Issue List

• Struts 2.3.1 DONE
• Struts 2.3.x TODO

Other resources

• Commit Logs (Struts 1 and Struts 2)
• Source Code Repository (includes change browsing)