org.zkoss.zel.ExpressionFactory tries to access "el.properties" file which throws "java.security.AccessControlException: access denied" on Google App Engine

Stacktrace (local dev server, not actually app engine)

java.security.AccessControlException: access denied (java.io.FilePermission /opt/sun-jdk-1.6.0.37/jre/lib/el.properties read)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:374)
at java.security.AccessController.checkPermission(AccessController.java:549)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:289)
at java.lang.SecurityManager.checkRead(SecurityManager.java:871)
at java.io.File.canRead(File.java:689)
at org.zkoss.zel.ExpressionFactory.getClassNameJreDir(ExpressionFactory.java:248)
at org.zkoss.zel.ExpressionFactory.access$100(ExpressionFactory.java:38)
at org.zkoss.zel.ExpressionFactory$3.run(ExpressionFactory.java:128)
at org.zkoss.zel.ExpressionFactory$3.run(ExpressionFactory.java:126)
at java.security.AccessController.doPrivileged(Native Method)
at org.zkoss.zel.ExpressionFactory.newInstance(ExpressionFactory.java:125)
at org.zkoss.zel.ExpressionFactory.newInstance(ExpressionFactory.java:105)
at org.zkoss.zel.BeanELResolver.invoke(BeanELResolver.java:516)
at org.zkoss.zel.CompositeELResolver.invoke(CompositeELResolver.java:161)
at org.zkoss.xel.zel.XelELResolver.invoke(XelELResolver.java:148)
at org.zkoss.zel.impl.parser.AstValue.getValue(AstValue.java:166)
at org.zkoss.zel.impl.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189)
at org.zkoss.xel.zel.ELXelExpression.evaluate(ELXelExpression.java:40)
at org.zkoss.bind.impl.BindEvaluatorXImpl.getValue(BindEvaluatorXImpl.java:43)
at org.zkoss.bind.impl.BinderImpl.getConverter(BinderImpl.java:406)
at org.zkoss.bind.impl.PropertyBindingImpl.getConverter(PropertyBindingImpl.java:89)
at org.zkoss.bind.impl.LoadPropertyBindingImpl.load(LoadPropertyBindingImpl.java:64)
at org.zkoss.bind.impl.PropertyBindingHandler.doLoadBinding(PropertyBindingHandler.java:171)
at org.zkoss.bind.impl.PropertyBindingHandler.doLoad(PropertyBindingHandler.java:372)
at org.zkoss.bind.impl.BinderImpl.loadComponentProperties(BinderImpl.java:1839)
at org.zkoss.bind.impl.BinderImpl.loadComponent(BinderImpl.java:1816)
at org.zkoss.bind.impl.BinderImpl.loadComponent(BinderImpl.java:1819)
at org.zkoss.bind.impl.BinderImpl.loadComponent(BinderImpl.java:1819)
at org.zkoss.bind.BindComposer$BinderKeeper$Loader.load(BindComposer.java:468)
at org.zkoss.bind.BindComposer$BinderKeeper.loadComponentForAllBinders(BindComposer.java:450)
at org.zkoss.bind.BindComposer.doAfterCompose(BindComposer.java:174)
at org.zkoss.zk.ui.impl.UiEngineImpl.doAfterCompose(UiEngineImpl.java:530)
...