if (instrumenters.size() == 0) {
try {
instrumenters.add(new Jython25Instrumenter(m_dcrContext));
} catch (WeavingException e) {
// Jython 2.5 not available, try Jython 2.1/2.2.
instrumenters.add(new Jython22Instrumenter(m_dcrContext));
}
}
}
} catch (NoClassDefFoundError e) {
noOp();