Terracotta offers that scales Java applications across multiple servers, and that competes with Oracle's own line of caching software. The company consulted with the European Commission about the Oracle-Sun acquisition.

"It's always a little nerve-wracking when a company not known as an open-source player comes into an open landscape like Java," Pandey said. "But it's pretty clear that Oracle is not taking Java lightly, especially when so much of its revenue is dependent upon Java."