Re: Dealing with incompatible dependencies?

From:
Tom Anderson <twic@urchin.earth.li>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 21 Sep 2009 23:41:59 +0100
Message-ID:
<alpine.DEB.1.10.0909212337440.24119@urchin.earth.li>
On Sun, 20 Sep 2009, Stefan Weiss wrote:

Now I'm left with two different versions of four classes (Decompiler,
Parser, Token, and TokenStream), all in the org.mozilla.javascript
namespace. Is there a way I can resolve this problem, apart from
rebuilding YUI Compressor and its version of Rhino into a different
namespace (like org.mozilla.yuicjavascript)?


You can do this with classloader voodoo. You can also do it by refactoring
one or the other bit of functionality out into a separate program, and
running it as a subprocess (communicating via serialization over the
child's standard input and output, or RMI) - the parent and child apps are
free to use different versions of Rhino. This will be somewhat slower, but
easier to write, and so it's what i'd suggest as an initial solution. If
you subsequently find that the app is too slow, and profiling reveals that
the use of a subprocess is taking a lot of time, you can try the
classloader cleverness.

tom

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