SPR-6923 SpEL resolving nested property as outer object

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/tags/EvalTag.java

@@ -150,7 +150,7 @@ public class EvalTag extends HtmlEscapingAwareTag {
 		}
 
 		public boolean canRead(EvaluationContext context, Object target, String name) throws AccessException {
-			return (resolveImplicitVariable(name) != null || this.pageContext.findAttribute(name) != null);
+			return target == null && (resolveImplicitVariable(name) != null || this.pageContext.findAttribute(name) != null);
 		}
 
 		public TypedValue read(EvaluationContext context, Object target, String name) throws AccessException {

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/tags/EvalTagTests.java

@@ -90,6 +90,17 @@ public class EvalTagTests extends AbstractTagTests {
 		assertEquals(new BigDecimal(".25"), context.getAttribute("foo"));
 	}
 
+	// SPR-6923
+	public void testNestedPropertyWithAttribtueName() throws Exception {
+		tag.setExpression("bean.bean");
+		tag.setVar("foo");
+		int action = tag.doStartTag();
+		assertEquals(Tag.EVAL_BODY_INCLUDE, action);
+		action = tag.doEndTag();
+		assertEquals(Tag.EVAL_PAGE, action);
+		assertEquals("not the bean object", context.getAttribute("foo"));
+	}
+
 	public static class Bean {
 		
 		public String method() {
@@ -104,6 +115,9 @@ public class EvalTagTests extends AbstractTagTests {
 		public String html() {
 			return "<p>";
 		}
+		public String getBean() {
+			return "not the bean object";
+		}
 		
 		public String js() {
 			return "function foo() { alert(\"hi\") }";