(tick) These are the notes for the Struts 2.3.20 distribution.

(tick) For prior notes in this release series, see Version Notes 2.3.16.3

  • 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.
Maven Dependency
<dependency>
  <groupId>org.apache.struts</groupId>
  <artifactId>struts2-core</artifactId>
  <version>2.3.20</version>
</dependency>

You can also use Struts Archetype Catalog like below

Struts Archetype Catalog
mvn archetype:generate -DarchetypeCatalog=http://struts.apache.org/
Staging Repository
<repositories>
  <repository>
    <id>apache.nexus</id>
    <name>ASF Nexus Staging</name>
    <url>https://repository.apache.org/content/groups/staging/</url>
  </repository>
</repositories>

Internal Changes

  • (warning) Merged security fixes from version 2.3.16.1, 2.3.16.2, 2.3.16.3
  • (warning) Extended existing security mechanism to block access to given Java packages and Classes, see #11 or read Internal security mechanism
  • Collection Parameters for RedirectResults, WW-4224
  • Make ParametersInterceptor supports chinese in hash key by default, WW-4250
  • themes.properties can be loaded using ServletContext allows to put template folder under WEB-INF or on classpath, WW-4260
  • New tag datetextfield, WW-3493
  • Only valid Ognl expressions are cached, WW-4146
  • CustomTextProvider can be used for validation errors of model driven actions, WW-4202
  • datetimepicker's label fixed, WW-4254
  • PropertiesJudge removed and properties are checked in SecurityMemberAccess, WW-4257
  • resource reloading works in IBM JVM, WW-4266
  • default reloading settings were removed from default.properties, WW-4267
  • (warning) commons-fileupload library upgraded to version 1.3.1 to fix potential security vulnerability, WW-4286
  • The scheme attribute accepts expressions in s:url tag, WW-4024
  • Solves problem with infinite loop in FastByteArrayOutputStream, WW-4383
  • LocalizedTextUtil supports many ClassLoaders, WW-4379
  • Bill of Materials pom was introduced, WW-4326
  • debug=browser|console was migrated to jQuery, WW-4322
  • struts_dojo.js was fixed, WW-4349
  • interface org/apache/struts2/views/TagLibrary was restored and marked as @Depreacted, WW-4255
  • <s:hidden/> tag is wrapped with <tr/> and <td/> tags to match layout of other tags in xhtml theme, WW-4297
  • and many other small improvements, please see the release notes

 

Please read information about new internal security mechanism introduced with this version, it can have impact on your application! With version 2.3.20 new internal security mechanism was introduced, if you were setting excludeParams in your struts.xml you should remove it as this overlaps those patterns defined by the framework itself. Read more here.

This release contains fix related to S2-023 security bulletin, please read it carefully!

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