increase security log levels to error
diff --git a/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java b/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java
index cfcd4bc..01d5374 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java
@@ -774,7 +774,7 @@
         } catch (OgnlException e) {
             Throwable reason = e.getReason();
             if (reason instanceof SecurityException) {
-                LOG.warn("Could not evaluate this expression due to security constraints: [{}]", name, e);
+                LOG.error("Could not evaluate this expression due to security constraints: [{}]", name, e);
             }
             String msg = "Caught OgnlException while setting property '" + name + "' on type '" + o.getClass().getName() + "'.";
             Throwable exception = (reason == null) ? e : reason;
diff --git a/core/src/main/java/org/apache/struts2/views/jsp/ui/OgnlTool.java b/core/src/main/java/org/apache/struts2/views/jsp/ui/OgnlTool.java
index 2fc0325..e776652 100644
--- a/core/src/main/java/org/apache/struts2/views/jsp/ui/OgnlTool.java
+++ b/core/src/main/java/org/apache/struts2/views/jsp/ui/OgnlTool.java
@@ -48,7 +48,7 @@
             return ognlUtil.getValue(expr, ActionContext.getContext().getContextMap(), context);
         } catch (OgnlException e) {
             if (e.getReason() instanceof SecurityException) {
-                LOG.warn("Could not evaluate this expression due to security constraints: [{}]", expr, e);
+                LOG.error("Could not evaluate this expression due to security constraints: [{}]", expr, e);
             }
             return null;
         }