Generating JWT token with JwtUtil class in Spring Boot resulting in NullPointerException

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sonar.sourceEncoding=UTF-8
sonar.projectKey=APT_JOB
sonar.projectName=APT_JOB
sonar.projectVersion=1.0
sonar.language=py

sonar.modules=CII_BANKING_cashflow_analysis_sta

sonar.projectBaseDir=/var/jenkins_home/workspace/APT_JOB
sonar.relative_files=True

# Exclude setup.py and tests folder
sonar.global.exclusions=**/CII_BANKING_cashflow_analysis_sta/tests/**


# CII_BANKING_cashflow_analysis_sta
CII_BANKING_cashflow_analysis_sta.sonar.projectBaseDir=/var/jenkins_home/workspace/APT_JOB/CII_BANKING_cashflow_analysis_sta
CII_BANKING_cashflow_analysis_sta.sonar.projectKey=CII_BANKING_cashflow_analysis_sta
CII_BANKING_cashflow_analysis_sta.sonar.projectName=CII_BANKING_cashflow_analysis_sta
CII_BANKING_cashflow_analysis_sta.sonar.sources=/var/jenkins_home/workspace/APT_JOB/CII_BANKING_cashflow_analysis_sta

sonar.python.coverage.reportPaths=/var/jenkins_home/workspace/APT_JOB/coverage_cicd/coverage.xml

Solution

in class: public class MySecurityConfig extends WebSecurityConfigurerAdapter the WebSecurityConfigurerAdapter is deprecated, instead you can create class like this:

@Configuration
@EnableWebSecurity
public class WebSecurityConfig {
    
    @Bean
    BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }
    
    @Bean
    SecurityFilterChain filterChain(HttpSecurity http)throws Exception{
        http.authorizeHttpRequests(authz -> authz
                .requestMatchers(HttpMethod.GET,"/testAPI").permitAll()
                .requestMatchers("").permitAll()
                .anyRequest().authenticated())
        .httpBasic(Customizer.withDefaults());
        return http.build();
    }
    
    @Bean
    UserDetailsService userDetailsService() {
        InMemoryUserDetailsManager userDetailsService = new 
    InMemoryUserDetailsManager();
        UserDetails userDetails = User
                .withUsername("vinod")
                .password(bCryptPasswordEncoder().encode("singh"))
                .authorities("read").build();
        userDetailsService.createUser(userDetails);
        return userDetailsService;
    }

}