Created attachment 27072 [details]
run 'BUGGED' thread and review jmeter.log

Using JMeter-r1095243 (a semi-recent nightly)

When the first child of an If Controller is a Controller an exception is thrown when the condition for the If Controller is false.

Exception:

2011/05/26 12:33:28 INFO  - jmeter.threads.JMeterThread: Thread started: BUGGED 1-1
2011/05/26 12:33:28 INFO  - jmeter.util.BeanShellTestElement: beanshell ran
2011/05/26 12:33:29 ERROR - jmeter.threads.JMeterThread: Test failed! java.lang.StackOverflowError
	at java.lang.String.indexOf(Unknown Source)
	at java.lang.ClassLoader.checkName(Unknown Source)
	at java.lang.ClassLoader.findLoadedClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.mozilla.javascript.DefiningClassLoader.loadClass(DefiningClassLoader.java:72)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
	at java.lang.Class.getConstructor0(Unknown Source)
	at java.lang.Class.newInstance0(Unknown Source)
	at java.lang.Class.newInstance(Unknown Source)
	at org.mozilla.javascript.optimizer.Codegen.createScriptObject(Codegen.java:83)
	at org.mozilla.javascript.Context.compileImpl(Context.java:2280)
	at org.mozilla.javascript.Context.compileString(Context.java:1284)
	at org.mozilla.javascript.Context.compileString(Context.java:1273)
	at org.mozilla.javascript.Context.evaluateString(Context.java:1129)
	at org.apache.jmeter.control.IfController.evaluateCondition(IfController.java:105)
	at org.apache.jmeter.control.IfController.next(IfController.java:162)
	at org.apache.jmeter.control.GenericController.nextIsAController(GenericController.java:187)
	at org.apache.jmeter.control.GenericController.reInitializeSubController(GenericController.java:229)
	at org.apache.jmeter.control.GenericController.reInitializeSubController(GenericController.java:230)

[REPEATED ~1000 times]