关于Eclipse3.2

最近心血来潮，下载了Eclipse3.2试用了一下，请问Eclipse3.2必须JDK1.5么？？我用的是TOMCAT5.5他老提示“his release of Apache Tomcat was packaged to run on J2SE 5.0
or later. It can be run on earlier JVMs by downloading and
installing a compatibility package from the Apache Tomcat
binary download page.”