Blocking while running Javascript

[George Barnett]

Hi,

I'm seeing a large number of my threads blocking while executing  
Javascript.  Is there any advice for how to lower this blocking?

George

build	07-Sep-2009 00:36:31	[INFO] "Browse 3-1" prio=10  
tid=0x00002aaaf8635c00 nid=0x6b21 waiting for monitor entry  
[0x00000000427df000..0x00000000427e0c10]
build	07-Sep-2009 00:36:31	[INFO]    java.lang.Thread.State: BLOCKED  
(on object monitor)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.functions.JavaScript.execute(JavaScript.java:66)
build	07-Sep-2009 00:36:31	[INFO] 	- waiting to lock  
<0x00002aaab2a85ae8> (a org.apache.jmeter.functions.JavaScript)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.engine.util.CompoundVariable.execute 
(CompoundVariable.java:143)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.engine.util.CompoundVariable.execute 
(CompoundVariable.java:112)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.testelement.property.FunctionProperty.getStringValue 
(FunctionProperty.java:89)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.WhileController.getCondition 
(WhileController.java:112)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.WhileController.endOfLoop 
(WhileController.java:56)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.WhileController.nextIsNull 
(WhileController.java:78)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.next 
(GenericController.java:141)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.WhileController.next(WhileController.java:93)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.nextIsAController 
(GenericController.java:185)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.next 
(GenericController.java:146)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.WhileController.next(WhileController.java:93)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.nextIsAController 
(GenericController.java:182)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.TransactionController.nextIsAController 
(TransactionController.java:125)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.next 
(GenericController.java:146)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.TransactionController.next2 
(TransactionController.java:155)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.TransactionController.next 
(TransactionController.java:88)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.nextIsAController 
(GenericController.java:182)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.next 
(GenericController.java:146)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.nextIsAController 
(GenericController.java:182)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.next 
(GenericController.java:146)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.ThroughputController.next 
(ThroughputController.java:186)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.nextIsAController 
(GenericController.java:182)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.GenericController.next 
(GenericController.java:146)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.control.LoopController.next(LoopController.java:109)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.threads.ThreadGroup.next(ThreadGroup.java:129)
build	07-Sep-2009 00:36:31	[INFO] 	at  
org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:242)
build	07-Sep-2009 00:36:31	[INFO] 	at java.lang.Thread.run(Thread.java: 
619)