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I'm trying to perform some custom authentication using Spring security.

I've read a few things about it:

I also found an interesting conversation regarding this ClassNotFoundException DelegatingFilterProxy: http://forum.springsource.org/showthread.php?53972-Problem-when-finding-springSecurityFilterChain-bean

So, In my web.xml I have

<?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <display-name>Secured Account</display-name> <servlet> <servlet-name>mysecuredapp</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>mysecuredapp</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/mysecuredapp-security.xml</param-value> </context-param> <filter> <filter-name>springSecurityFilterChain</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> </filter> <filter-mapping> <filter-name>springSecurityFilterChain</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>

And in mysecuredapp-servlet.xml I have

<?xml version="1.0" encoding="UTF-8"?> <beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd" > <http auto-config="true"> <intercept-url pattern="/account/*" access="ROLE_USER, ROLE_ADMIN, ROLE_MASTER" /> <intercept-url pattern="/admin/*" access="ROLE_ADMIN, ROLE_MASTER" /> <intercept-url pattern="/master/*" access="ROLE_MASTER" /> </http> <authentication-manager> <authentication-provider ref="daoAuthenticationProvider" /> </authentication-manager> <beans:bean id="daoAuthenticationProvider" class="org.springframework.security.authentication.dao.DaoAuthenticationProvider" > <beans:property name="userDetailsService" ref="userDetailsService" /> </beans:bean> </beans:beans>

And this is my pom.xml

<?xml version="1.0" encoding="UTF-8"?> <project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <modelVersion>4.0.0</modelVersion> <groupId>MySecuredApp</groupId> <artifactId>securedApp</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>My Secured App - Spring Hibernate Maven</name> <properties> <org.springframework.version>3.0.5.RELEASE</org.springframework.version> <javax.servlet.jstl.version>1.2</javax.servlet.jstl.version> <org.hibernate>3.6.10.Final</org.hibernate> <org.springsecurity.version>3.1.2.RELEASE</org.springsecurity.version> </properties> <dependencies> <!-- Hibernate deps --> <dependency> <groupId>org.hibernate.javax.persistence</groupId> <artifactId>hibernate-jpa-2.0-api</artifactId> <version>1.0.1.Final</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-entitymanager</artifactId> <version>${org.hibernate}</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>${org.hibernate}</version> </dependency> <!-- Spring security deps --> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-core</artifactId> <version>${org.springsecurity.version}</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-web</artifactId> <version>${org.springsecurity.version}</version> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-config</artifactId> <version>${org.springsecurity.version}</version> </dependency> <!-- Spring deps --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${org.springframework.version}</version> <scope>test</scope> </dependency> <!-- Misc deps --> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>${javax.servlet.jstl.version}</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.10</version> </dependency> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.4</version> </dependency> <dependency> <groupId>commons-pool</groupId> <artifactId>commons-pool</artifactId> <version>20030825.183949</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.2.2</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.16</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.8.1</version> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.7</source> <target>1.7</target> <encoding>UTF8</encoding> </configuration> <inherited>true</inherited> </plugin> </plugins> <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> </resource> </resources> <testResources> <testResource> <directory>src/test/resources</directory> <filtering>true</filtering> </testResource> <testResource> <directory>src/main/resources</directory> <filtering>true</filtering> </testResource> </testResources> </build> </project>

When I start tomcat (in Eclipse), I get this ClassNotFoundException DelegatingFilterProxy. Any idea why this is coming up?

Thanks in advance

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2 Answers 2

Reset to default
2

This was a foolish error from myself... since I had issues for exact same reason: not including the Spring Dependencies to the Deployment Assembly.

See this answer I posted previously for more details: Maven + Spring + Dynamic Web Module ( Eclipse ) = java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

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Can you believe I had the same issue (and same fix) ? I cannot explain why this happens ...
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Is it possible that the filter chain isn't picking up your user details service bean? You dont seem to have a component-scan directive in your mysecuredapp-servlet.xml file, and the contextConfigLocation for the delegating filter only points to that file.

I could be wrong, but I'm fairly sure that the Spring context for the filter is separate to that for the dispatcher servlet. You'd need to either include a component-scan in your security XML file, or add you main Spring beans file to the contextConfigLocation.

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I updated mysecuredapp-security.xml with <context:annotation-config /> <context:component-scan base-package="web.secured" /> but I still get the same error.

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