Add methods to log exception
Add methods to log exception

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1776355 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 03fdd7f88d65e4a27f69e47bdc29e28a1ce37d32
ham1/jmeter,etnetera/jmeter,benbenw/jmeter,etnetera/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,benbenw/jmeter,benbenw/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter,apache/jmeter