Project XXXX is missing required library: {Install

RAD7 Opening Version 5.1.2 workspaces issues

Below are a number of consideration with regards to opening workspaces that had been created in WebSphere Development Studio Client for iSeries versions prior to 7.0.

Note: Issues below should not prevent the projects from running, either prior to or after converting the project.

 

Issue	Solution
The project cannot be built and messages such as the following are reported in the Problems view: Project XXXX is missing required library: C:\Program Files\IBM\SDP70\jre\lib\rt.jar Unbound classpath container: com.ibm.etools.portal.tools.PORTAL_CLASSPATH_CONTAINER in project XXXX	You need to set a target server for the project. Right-click WebFacing project > Properties > Targeted Runtimes in the Navigator view. This is the method for version 7.0. In V5.1.2.x, it was optional to set a target server. You should be able to get rid of all the JSP validator errors by setting each project to target a Websphere Application Server V5.1 or greate

上面是IBM官方解决方法，实际使用中发现还需要在Project的Build Path中把 WAS5***\rt.jar这些环境变量去掉。