Same problem here on 11.10 with the source version of imaegJ. Linking to tools.jar in /usr/lib/jvm/java-6-openjdk/jre/lib/ext/ fixes it.
Same problem here on 11.10 with the source version of imaegJ. jvm/java- 6-openjdk/ jre/lib/ ext/ fixes it.
Linking to tools.jar in /usr/lib/