Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Upgrade and Migration Guide

Binary Compatibility

In this Application Server 8.1 release, the included Java SDK is The Java™ 2 Platform, Enterprise Edition (J2EE™ platform), version 1.4 SDK. This version of the J2EE SDK is upwards binary-compatible with J2EE SDK, v1.3, except for the incompatibilities listed below. This means that, except for the noted incompatibilities, applications built for version 1.3 run correctly in the Sun Java System Application Server 8.1 release. For ease of reference, the version of the J2EE SDK included in this release is referred to throughout this section as J2EE 1.4.