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1. Debian -- Software Packages in "sid", Subsection java
Software Packages in "sid", Subsection java activemq (5.5.0+dfsg-5) Java message broker ... liboscache-java (2.4.1+ds1-3) caching solution for java server pages (JSP)
http://packages.debian.org/sid/java/
2. Debian -- Software Packages in "squeeze", Subsection java
liboscache-java (2.4.1+ds1-2) caching solution for java server pages (JSP) ... virtual package provided by openjdk-6-jre-headless openjdk-6-source (6b18-1.8.10-0 ...
http://packages.debian.org/stable/java/
3. Java/LiferayPackaging - Debian Wiki
No package found : OpenID 4 Java : portal/oro.jar : 2.0.8 : liboro-java: 2.0.8a : Found, => (backward compat?) portal/oscache.jar : 2.4 : liboscache-java: 2.4.1+ds1
http://wiki.debian.org/Java/LiferayPackaging