Fix regression with binding and validation

Previously, the binding may have to call the getter first to retrieve the
old value of a property before actually setting it. This was guarded by
a catch block that was accidentally removed in 3d86f15

Restore that catch block and add a test to cover it.

Issue: SPR-12805

spring-beans/src/main/java/org/springframework/beans/AbstractPropertyAccessor.java

@@ -20,6 +20,7 @@ import java.beans.PropertyChangeEvent;
 import java.lang.reflect.Array;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.UndeclaredThrowableException;
+import java.security.PrivilegedActionException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -523,7 +524,18 @@ public abstract class AbstractPropertyAccessor extends TypeConverterSupport impl
 					}
 					else {
 						if (isExtractOldValueForEditor() && ph.isReadable()) {
-							oldValue = ph.getValue();
+							try {
+								oldValue = ph.getValue();
+							}
+							catch (Exception ex) {
+								if (ex instanceof PrivilegedActionException) {
+									ex = ((PrivilegedActionException) ex).getException();
+								}
+								if (logger.isDebugEnabled()) {
+									logger.debug("Could not read previous value of property '" +
+											this.nestedPath + propertyName + "'", ex);
+								}
+							}
 						}
 						valueToApply = convertForProperty(
 								propertyName, oldValue, originalValue, ph.toTypeDescriptor());

spring-beans/src/test/java/org/springframework/beans/BeanWrapperTests.java

@@ -51,6 +51,15 @@ public final class BeanWrapperTests extends AbstractConfigurablePropertyAccessor
 		assertTrue("Set name to tom", target.getName().equals("tom"));
 	}
 
+	@Test
+	public void getterSilentlyFailWithOldValueExtraction() {
+		GetterBean target = new GetterBean();
+		BeanWrapper accessor = createAccessor(target);
+		accessor.setExtractOldValueForEditor(true); // This will call the getter
+		accessor.setPropertyValue("name", "tom");
+		assertTrue("Set name to tom", target.getName().equals("tom"));
+	}
+
 	@Test
 	public void setValidAndInvalidPropertyValuesShouldContainExceptionDetails() {
 		TestBean target = new TestBean();