java.lang.IllegalAccessException: Class javax.el.BeanELResolver can not access a member of class java.util.HashMap$Values with modifiers "public"

Issue

We have to check the HashMap value’s size on one of our JSPs.

java.lang.IllegalAccessException: Class javax.el.BeanELResolver can not access a member of class java.util.HashMap$Values with modifiers "public"
    at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:95) [rt.jar:1.7.0_10]
    at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:261) [rt.jar:1.7.0_10]
    at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:253) [rt.jar:1.7.0_10]
    at java.lang.reflect.Method.invoke(Method.java:594) [rt.jar:1.7.0_10]
    at javax.el.BeanELResolver.invokeMethod(BeanELResolver.java:735) [jboss-el-api_2.2_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
    at javax.el.BeanELResolver.invoke(BeanELResolver.java:467) [jboss-el-api_2.2_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
    at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:246) [jboss-el-api_2.2_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
    at org.apache.el.parser.AstValue.getValue(AstValue.java:159) [jbossweb-7.0.17.Final-redhat-3.jar:]
    at org.apache.el.parser.AstLessThan.getValue(AstLessThan.java:42) [jbossweb-7.0.17.Final-redhat-3.jar:]
    at org.apache.el.parser.AstAnd.getValue(AstAnd.java:43) [jbossweb-7.0.17.Final-redhat-3.jar:]
    at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189) [jbossweb-7.0.17.Final-redhat-3.jar:]
    at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:935) [jbossweb-7.0.17.Final-redhat-3.jar:]
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