exception - Testng throwing java.lang.IllegalMonitorStateException -

i using testng automation framework. when line of code below executed in test case results in java.lang.illegalmonitorstateexception.

can suggest how fix this? method should wait 2 minutes.

{     timeunit.minutes.wait(2); } 

as javadoc says:

the current thread must own object's monitor.

in other words, can call object.wait on object within synchronized method or block locking object waiting on.

you should using thread.sleep(...) or timeunit.sleep(...). read respective javadocs understand units of parameters.

if use wait, usage incorrect reason well. though looks waiting 2 minutes, actually waiting 2 milliseconds ... because calling object implementation of wait. if wanted use timeunit version, code need this:

synchronized lock {     timeunit.minutes.timedwait(lock, 2); } 

where lock suitable (private, unshared) object using locking.

also, beware if notifies lock / locked object, wait(...) call wake early. makes wait , inappropriate solution in if not cases want wait given period time.