Tell the user when a class cannot be found
Tell the user when a class cannot be found


git-svn-id: https://svn.apache.org/repos/asf/jakarta/jmeter/branches/rel-2-1@325645 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 67d24f939ff92ba22c680a4cfc615e34e73b5f57
apache/jmeter,benbenw/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter,ham1/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter