This fix: https://jsp.dev.java.net/issues/show_bug.cgi?id=13 was accepted and committed in jsp-glassfish trunk.
It can also be applied to the jasper version used by jetty7.
It will add support for eclipse compiler released after 3.1.1: after September 2005.
It will also support ecj which can be loaded in an OSGi container. core-3.1.1 can only be loaded inside eclipse-RCP.
This bug was originally filed here: https://bugs.eclipse.org/bugs/show_bug.cgi?id=289404
and here https://bugs.eclipse.org/bugs/show_bug.cgi?id=289406
But it is related to hightide more than jetty-eclipse so jmcconnell suggested I file it here.
The patch suggested to fix this issue is here:
It also cherry picks a merge from jsp-glassfish of a method to be able to customize the entity resolver of the tld-parser.