Github user lukaszlenart commented on a diff in the pull request:
https://github.com/apache/struts/pull/12#discussion_r13902929
--- Diff:
xwork-core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java ---
@@ -279,7 +279,8 @@ public Object compile(String expression) throws
OgnlException {
if (tree == null) {
tree = Ognl.parseExpression(expression);
checkEnableEvalExpression(tree, context);
- expressions.putIfAbsent(expression, tree);
+// duplicated cache put
+// expressions.putIfAbsent(expression, tree);
--- End diff --
Remove the code, not comment it out
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