https://issues.apache.org/bugzilla/show_bug.cgi?id=53896
Priority: P2
Bug ID: 53896
Assignee: dev@tomcat.apache.org
Summary: Optimized Jasper ELResolver
Severity: normal
Classification: Unclassified
OS: Linux
Reporter: jga...@gmail.com
Hardware: PC
Status: NEW
Version: unspecified
Component: Jasper
Product: Tomcat 7
JspApplicationContextImpl sets up a CompositeELResolver with the standard and
application-specific EL resolvers. The CompositeELResolver implementation
basically just invokes every ELResolver in the list until a value is
successfully resolved. The issue is that in certain situations some ELResolvers
are called needlessly. For example, if base != null, calling getValue() on
ImplicitObjectELResolver is unnecessary. So there are cases in which certain
ELResolvers can be skipped over. In EL heavy applications skipping over certain
ELResolvers can quickly add up.
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