- 
    Type:New Feature 
- 
    Resolution: Unresolved
- 
    Priority:Normal 
- 
    None
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    Affects Version/s: 6.0.1
- 
    Component/s: Databind 2
- 
    Environment:zk6.0.1+spring3.1.1+hibernate3.6.8 
- 
        None
as showed  in http://www.zkoss.org/forum/listComment/5322-ZK-and-JavaRebel
I'm trying using JavaRebel with ZK and context is reloaded always.but when  i try setting system property 'org.zkoss.zel.BeanELResolver.CACHE_SIZE' to '0' ,as is blow in zk.xml: 
<system-property> 
<name>org.zkoss.zel.BeanELResolver.CACHE_SIZE</name> 
<value>0</value> 
</system-property> 
,it has no effect ,i look into the source code of BeanELResolver,find the following code: 
public ConcurrentCache(int size) { 
this.size = size; 
this.eden = new ConcurrentHashMap<K,V>(size); 
this.longterm = new WeakHashMap<K,V>(size); 
} 
,it seem no use to set size to 0 for disabling the cache,when i set 'org.zkoss.zel.BeanELResolver.CACHE_SIZE' to -1, the cosole show following exception when i visit the zul page: 
java.lang.IllegalArgumentException 
at java.util.concurrent.ConcurrentHashMap.<init>(Unknown Source) 
at java.util.concurrent.ConcurrentHashMap.<init>(Unknown Source) 
at org.zkoss.zel.BeanELResolver$ConcurrentCache.<init>(BeanELResolver.java:411) 
at org.zkoss.zel.BeanELResolver.<init>(BeanELResolver.java:63) 
at org.zkoss.xel.zel.XelELResolver.<clinit>(XelELResolver.java:49) 
at org.zkoss.bind.xel.zel.BindELContext.newELResolver(BindELContext.java:58) 
at org.zkoss.xel.zel.XelELContext.<init>(XelELContext.java:47) 
at org.zkoss.bind.xel.zel.BindELContext.<init>(BindELContext.java:54) 
at org.zkoss.bind.xel.BindXelFactory.newELContext(BindXelFactory.java:36) 
at org.zkoss.bind.xel.BindXelFactory.parseExpression(BindXelFactory.java:30) 
at org.zkoss.bind.impl.BindEvaluatorXImpl.parseExpressionX(BindEvaluatorXImpl.java:69) 
at org.zkoss.bind.impl.BindEvaluatorXUtil.eval(BindEvaluatorXUtil.java:54) 
at org.zkoss.bind.BindComposer.initViewModel(BindComposer.java:146) 
at org.zkoss.bind.BindComposer.doAfterCompose(BindComposer.java:116) 
at org.zkoss.zk.ui.impl.UiEngineImpl.doAfterCompose(UiEngineImpl.java:526) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:821) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:767) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:676) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:738) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:698) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate(UiEngineImpl.java:640) 
at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:391) 
i post a request for disabling mvvm composer class method cache.