ea902e
@@ -1,4 +1,18 @@
-package org.springframework.security.ldap.authentication;
+/*
+ * Copyright 2002-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */package org.springframework.security.ldap.authentication;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -56,6 +70,11 @@
public abstract class AbstractLdapAuthenticationProvider implements Authenticati
                     "Empty Username"));
         }
 
+        if (!StringUtils.hasLength(password)) {
+            throw new BadCredentialsException(messages.getMessage("AbstractLdapAuthenticationProvider.emptyPassword",
+                    "Empty Password"));
+        }
+
         Assert.notNull(password, "Null password was supplied in authentication token");
 
         DirContextOperations userData = doAuthentication(userToken);
