always throwing Bad credentials in Ldap authentication using Spring Boot - spring-boot

Question

I tried many times, I think issue is in config class ,I was stuck from 2 days,
please solve this
thank you in advance
my pom.xml
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.7</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>ldap</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>ldap</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.ldap</groupId>
<artifactId>spring-ldap-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-ldap</artifactId>
</dependency>
<dependency>
<groupId>com.unboundid</groupId>
<artifactId>unboundid-ldapsdk</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
this is config class and issue in this b'coz I checked filter can successfully
find the Ldif file but not check value of this cridentials...
myConfig class
#Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests().anyRequest().fullyAuthenticated().and().formLogin();
}
#Override
public void configure(AuthenticationManagerBuilder auth) throws Exception {
auth
.ldapAuthentication().userDnPatterns("uid={0},ou=people")
.contextSource(contextSource())
.passwordCompare()
.passwordAttribute("userPassword");}
#Bean
public DefaultSpringSecurityContextSource contextSource() {
return new DefaultSpringSecurityContextSource(Arrays.asList("localhost:8389/"),
"dc=springframework,dc=org");
}
}
my application.properties file
spring.ldap.embedded.ldif=classpath:test-server.ldif
spring.ldap.embedded.base-dn=dc=springframework,dc=org
spring.ldap.embedded.port=8389