Spring security issue with Http tag

Question

My spring configuration file is as follows

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc" 
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
    xmlns:security="http://www.springframework.org/schema/security"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/mvc 
    http://www.springframework.org/schema/mvc/spring-mvc.xsd
    http://www.springframework.org/schema/context 
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/data/jpa
    http://www.springframework.org/schema/data/jpa/spring-jpa.xsd
    http://www.springframework.org/schema/security
    http://www.springframework.org/schema/security/spring-security.xsd
    ">

<http auto-config="true">
        <security:intercept-url pattern="/admin**" access="ROLE_USER" />
    </http>

    <authentication-manager>
      <authentication-provider>
        <user-service>
        <user name="test" password="test" authorities="ROLE_USER" />
        </user-service>
      </authentication-provider>
    </authentication-manager>

</beans>

However I have encountered the following error

cvc-complex-type.2.4.a: Invalid content was found starting with element 'http'. One of '{"http://www.springframework.org/schema/beans":import, "http://www.springframework.org/schema/beans":alias, "http://
 www.springframework.org/schema/beans":bean, WC[##other:"http://www.springframework.org/schema/beans"], "http://www.springframework.org/schema/beans":beans}' is expected.

What could possibly be wrong? The error cross mark as shown by Eclipse is right where http tag starts.

UPDATE I am using gradle and my build.gradle file has following dependencies for Spring:

 compile 'org.slf4j:slf4j-api:1.7.12'
    compile 'com.googlecode.json-simple:json-simple:1.1.1'
    compile 'de.grundid.opendatalab:geojson-jackson:1.0'
    compile 'org.springframework:spring-web:4.2.5.RELEASE'
    compile 'org.springframework:spring-webmvc:4.2.5.RELEASE'
    compile 'org.springframework:spring-jdbc:4.2.5.RELEASE'
    compile 'org.springframework:spring-core:4.2.5.RELEASE'
    compile 'org.springframework:spring-context:4.2.5.RELEASE'
    compile 'org.springframework:spring-aop:4.2.5.RELEASE'
    compile 'org.springframework.security:spring-security-web:4+'
    compile 'org.springframework.security:spring-security-config:4+'

The following Spring dependencies are in my project's build path:

Answer 1

Your XML document has the Spring beans namespace as default namespace. The http element and the other elements from Spring Security are in the security namespace. You need to prefix:

<security:http auto-config="true">
  <security:intercept-url pattern="/admin**" access="ROLE_USER" />
</security:http>

<security:authentication-manager>
  <security:authentication-provider>
    <security:user-service>
      <security:user name="test" password="test" authorities="ROLE_USER" />
    </security:user-service>
  </security:authentication-provider>
</security:authentication-manager>