Java 6u20 is out

Changes in 1.6.0_20 (6u20)

The full internal version number for this update release is 1.6.0_20-b02 (where “b” means “build”). The external version number is 6u20.u20 contains Olson time zone data version 2010b.


A Java Network Launch Protocol (JNLP) file without a codebase parameter, such as the following, will no longer work with the Java SE 6 update 20 release.


This means that developers must specify the codebase parameter in a JNLP file. See the following example:


Bug Fixes

This release contains fixes for security vulnerabilities  like  :

Java :  Mixed code warning for class.getResource(“directory/”) in 1.6.0_19

Javawebstart  :  Webstart Shows Wrong Exception when the same jnlp has a signed and a none signed jar

java_deploymentImprove Mixed Code Logging


Source  :