Java 自动连接@ConfigurationProperties POJO时出现NullPointerException
我试图从POJO对象中的.properties文件映射一组属性。这是因为我想重用@Configuration类中的属性,还因为我的属性文件是加密的,我不想在Configuration类中以纯文本形式存储OAuth客户端密码 以下是POJO:Java 自动连接@ConfigurationProperties POJO时出现NullPointerException,java,spring,spring-boot,properties,Java,Spring,Spring Boot,Properties,我试图从POJO对象中的.properties文件映射一组属性。这是因为我想重用@Configuration类中的属性,还因为我的属性文件是加密的,我不想在Configuration类中以纯文本形式存储OAuth客户端密码 以下是POJO: @ConfigurationProperties(ignoreInvalidFields = false, prefix = "oauth") public class OAuthClient { private Map<String, St
@ConfigurationProperties(ignoreInvalidFields = false, prefix = "oauth")
public class OAuthClient {
private Map<String, String> webapp = new LinkedHashMap<>();
private Map<String, String> admin = new LinkedHashMap<>();
public Map<String, String> getWebapp() {
return webapp;
}
public void setWebapp(Map<String, String> webapp) {
this.webapp = new LinkedHashMap<>(webapp);
}
public Map<String, String> getAdmin() {
return admin;
}
public void setAdmin(Map<String, String> admin) {
this.admin = new LinkedHashMap<>(admin);
}
}
这是oauth\u clients.properties
文件:
oauth.OAuthClient.webapp.id=client1
oauth.OAuthClient.webapp.secret=pass1
oauth.OAuthClient.admin.id=client2
oauth.OAuthClient.admin.secret=pass2
最后,我想在我的自定义授权服务器ConfigureRadapter
,中使用属性,但是当从AUWOREADOAuthClient
获取属性时,应用程序总是无法启动NPE
以下是授权服务器配置RADAPTER:
@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfiguration extends AuthorizationServerConfigurerAdapter {
@Autowired
private PasswordEncoder passwordEncoder;
@Autowired
private OAuthClient oAuthClient;
...
@Override
public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
clients.inMemory()
.withClient(oAuthClient.getWebapp().get("id"))
.secret(passwordEncoder.encode(oAuthClient.getWebapp().get("secret")))
.authorizedGrantTypes(PASSWORD_GRANT, REFRESH_TOKEN_GRANT, AUTHORIZATION_CODE_GRANT)
.scopes(READ_SCOPE, WRITE_SCOPE)
.autoApprove(true)
.accessTokenValiditySeconds(60 * 60)
.refreshTokenValiditySeconds(6 * 60 * 60)
.and()
.withClient(oAuthClient.getAdmin().get("id"))
.secret(passwordEncoder.encode(oAuthClient.getAdmin().get("secret")))
.authorizedGrantTypes(PASSWORD_GRANT, REFRESH_TOKEN_GRANT, AUTHORIZATION_CODE_GRANT)
.scopes(READ_SCOPE, WRITE_SCOPE)
.autoApprove(true)
.authorities(ADMIN_AUTHORITY)
.accessTokenValiditySeconds(60 * 30)
.refreshTokenValiditySeconds(60 * 60);
}
以下是完整的堆栈跟踪:
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.1.6.RELEASE:run (default-cli) on project safedrive-auth-server: An exception occurred while running. null: InvocationTargetException: Error creating bean with name 'org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerSecurityConfiguration': Injection of autowired dependencies failed; nested exception is java.lang.NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.1.6.RELEASE:run (default-cli) on project safedrive-auth-server: An exception occurred while running. null
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: An exception occurred while running. null
at org.springframework.boot.maven.AbstractRunMojo$IsolatedThreadGroup.rethrowUncaughtException(AbstractRunMojo.java:511)
at org.springframework.boot.maven.RunMojo.runWithMavenJvm(RunMojo.java:93)
at org.springframework.boot.maven.AbstractRunMojo.run(AbstractRunMojo.java:243)
at org.springframework.boot.maven.AbstractRunMojo.execute(AbstractRunMojo.java:198)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 19 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:542)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerSecurityConfiguration': Injection of autowired dependencies failed; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:380)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:845)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:742)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:389)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:311)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1213)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1202)
at com.adrianpop.AuthServer.main(AuthServer.java:11)
... 6 more
Caused by: java.lang.NullPointerException
at org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder.encode(BCryptPasswordEncoder.java:80)
at com.adrianpop.config.AuthorizationServerConfiguration.configure(AuthorizationServerConfiguration.java:76)
at org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerSecurityConfiguration.configure(AuthorizationServerSecurityConfiguration.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:708)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374)
... 23 more
[ERROR]
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
几个小时来,我一直在努力让它发挥作用,这让我很紧张。我还检查了官方文档,但代码对我来说很好。我知道我遗漏了一些简单的东西,但我不知道到底是什么
有什么建议吗?
谢谢。请尝试以下代码片段
@ConfigurationProperties(prefix = "oauth")
public class OAuthClientConfig {
private OAuthClient OAuthClient;
public static class OAuthClient {
private Map<String, String> webapp = new LinkedHashMap<>();
private Map<String, String> admin = new LinkedHashMap<>();
public Map<String, String> getWebapp() {
return webapp;
}
public void setWebapp(Map<String, String> webapp) {
this.webapp = new LinkedHashMap<>(webapp);
}
public Map<String, String> getAdmin() {
return admin;
}
public void setAdmin(Map<String, String> admin) {
this.admin = new LinkedHashMap<>(admin);
}
}
public OAuthClientConfig.OAuthClient getOAuthClient() {
return OAuthClient;
}
public void setOAuthClient(OAuthClientConfig.OAuthClient OAuthClient) {
this.OAuthClient = OAuthClient;
}
}
@ConfigurationProperties(前缀=“oauth”)
公共类OAuthClientConfig{
专用OAuthClient OAuthClient;
公共静态类OAuthClient{
private Map webapp=新建LinkedHashMap();
private Map admin=new LinkedHashMap();
公共地图getWebapp(){
返回webapp;
}
公共void setWebapp(地图webapp){
this.webapp=新LinkedHashMap(webapp);
}
公共地图getAdmin(){
返回管理员;
}
公共void setAdmin(映射管理){
this.admin=newlinkedhashmap(admin);
}
}
public OAuthClientConfig.OAuthClient getOAuthClient(){
返回OAuthClient;
}
public void setOAuthClient(OAuthClientConfig.OAuthClient OAuthClient){
this.OAuthClient=OAuthClient;
}
}
请尝试以下代码片段
@ConfigurationProperties(prefix = "oauth")
public class OAuthClientConfig {
private OAuthClient OAuthClient;
public static class OAuthClient {
private Map<String, String> webapp = new LinkedHashMap<>();
private Map<String, String> admin = new LinkedHashMap<>();
public Map<String, String> getWebapp() {
return webapp;
}
public void setWebapp(Map<String, String> webapp) {
this.webapp = new LinkedHashMap<>(webapp);
}
public Map<String, String> getAdmin() {
return admin;
}
public void setAdmin(Map<String, String> admin) {
this.admin = new LinkedHashMap<>(admin);
}
}
public OAuthClientConfig.OAuthClient getOAuthClient() {
return OAuthClient;
}
public void setOAuthClient(OAuthClientConfig.OAuthClient OAuthClient) {
this.OAuthClient = OAuthClient;
}
}
@ConfigurationProperties(前缀=“oauth”)
公共类OAuthClientConfig{
专用OAuthClient OAuthClient;
公共静态类OAuthClient{
private Map webapp=新建LinkedHashMap();
private Map admin=new LinkedHashMap();
公共地图getWebapp(){
返回webapp;
}
公共void setWebapp(地图webapp){
this.webapp=新LinkedHashMap(webapp);
}
公共地图getAdmin(){
返回管理员;
}
公共void setAdmin(映射管理){
this.admin=newlinkedhashmap(admin);
}
}
public OAuthClientConfig.OAuthClient getOAuthClient(){
返回OAuthClient;
}
public void setOAuthClient(OAuthClientConfig.OAuthClient OAuthClient){
this.OAuthClient=OAuthClient;
}
}
因此,在@Mykhailo Moskura的帮助下,问题得到了解决。修复有点奇怪,但这就是Spring的工作原理
我已经按照Mykhailo的建议创建了OAuthClientsConfiguration
类,映射属性的POJO是一个内部静态类。下面是AuthorizationServerConfiguration
现在的样子:
@Configuration
@EnableAuthorizationServer
@EnableConfigurationProperties(OAuthClientsConfiguration.class)
public class AuthorizationServerConfiguration extends AuthorizationServerConfigurerAdapter {
private PasswordEncoder passwordEncoder;
private OAuthClientsConfiguration.OAuthClient oAuthClient;
@Autowired
public AuthorizationServerConfiguration(PasswordEncoder passwordEncoder,
OAuthClientsConfiguration oAuthClientConfig) {
this.passwordEncoder = passwordEncoder;
this.oAuthClient = oAuthClientConfig.getOAuthClient();
}
...
@Override
public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
clients.inMemory()
.withClient(oAuthClient.getWebapp().get("id"))
.secret(passwordEncoder.encode(oAuthClient.getWebapp().get("secret")))
.authorizedGrantTypes(PASSWORD_GRANT, REFRESH_TOKEN_GRANT, AUTHORIZATION_CODE_GRANT)
.scopes(READ_SCOPE, WRITE_SCOPE)
.autoApprove(true)
.accessTokenValiditySeconds(60 * 60)
.refreshTokenValiditySeconds(6 * 60 * 60)
.and()
.withClient(oAuthClient.getAdmin().get("id"))
.secret(passwordEncoder.encode(oAuthClient.getAdmin().get("secret")))
.authorizedGrantTypes(PASSWORD_GRANT, REFRESH_TOKEN_GRANT, AUTHORIZATION_CODE_GRANT)
.scopes(READ_SCOPE, WRITE_SCOPE)
.autoApprove(true)
.authorities(ADMIN_AUTHORITY) //check how to use this
.accessTokenValiditySeconds(60 * 30)
.refreshTokenValiditySeconds(60 * 60);
}
我还通过添加一个新的属性源,将属性存储在默认的应用程序.properties
所使用的不同文件中:
@SpringBootApplication
@PropertySources(value = {
@PropertySource("classpath:oauth_clients.properties"),
@PropertySource("classpath:application.properties")
})
public class AuthServer {
public static void main(String[] args) {
SpringApplication.run(AuthServer.class, args);
}
}
因此,在@Mykhailo Moskura的帮助下,问题得以解决。修复有点奇怪,但这就是Spring的工作原理 我已经按照Mykhailo的建议创建了
OAuthClientsConfiguration
类,映射属性的POJO是一个内部静态类。下面是AuthorizationServerConfiguration
现在的样子:
@Configuration
@EnableAuthorizationServer
@EnableConfigurationProperties(OAuthClientsConfiguration.class)
public class AuthorizationServerConfiguration extends AuthorizationServerConfigurerAdapter {
private PasswordEncoder passwordEncoder;
private OAuthClientsConfiguration.OAuthClient oAuthClient;
@Autowired
public AuthorizationServerConfiguration(PasswordEncoder passwordEncoder,
OAuthClientsConfiguration oAuthClientConfig) {
this.passwordEncoder = passwordEncoder;
this.oAuthClient = oAuthClientConfig.getOAuthClient();
}
...
@Override
public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
clients.inMemory()
.withClient(oAuthClient.getWebapp().get("id"))
.secret(passwordEncoder.encode(oAuthClient.getWebapp().get("secret")))
.authorizedGrantTypes(PASSWORD_GRANT, REFRESH_TOKEN_GRANT, AUTHORIZATION_CODE_GRANT)
.scopes(READ_SCOPE, WRITE_SCOPE)
.autoApprove(true)
.accessTokenValiditySeconds(60 * 60)
.refreshTokenValiditySeconds(6 * 60 * 60)
.and()
.withClient(oAuthClient.getAdmin().get("id"))
.secret(passwordEncoder.encode(oAuthClient.getAdmin().get("secret")))
.authorizedGrantTypes(PASSWORD_GRANT, REFRESH_TOKEN_GRANT, AUTHORIZATION_CODE_GRANT)
.scopes(READ_SCOPE, WRITE_SCOPE)
.autoApprove(true)
.authorities(ADMIN_AUTHORITY) //check how to use this
.accessTokenValiditySeconds(60 * 30)
.refreshTokenValiditySeconds(60 * 60);
}
我还通过添加一个新的属性源,将属性存储在默认的应用程序.properties
所使用的不同文件中:
@SpringBootApplication
@PropertySources(value = {
@PropertySource("classpath:oauth_clients.properties"),
@PropertySource("classpath:application.properties")
})
public class AuthServer {
public static void main(String[] args) {
SpringApplication.run(AuthServer.class, args);
}
}
不幸的是,这不起作用,
OAuthClient
bean以前是成功创建的,但是映射是空的。以下是您建议的更改的结果:org.springframework.boot.context.properties.source.InvalidConfigurationPropertyNameException:配置属性名称“oauth.OAuthClient”无效
您是否尝试过@EnableConfigurationProperties(OAuthClient.class)关于AuthorizationServerConfiguration类?我在@Configuration
类中添加了@EnableConfigurationProperties
,并且在OAuthClient
类中移动了@ConfigurationProperties
,但是我得到了相同的结果。您确定spring读取了这个@PropertySource吗(“类路径:oauth_clients.properties”)?我的意思是,它没有从该文件读取信息,这就是为什么映射为空。幸运的是,这不起作用-以前成功创建了OAuthClient
bean,但映射为空。下面是您建议的更改的结果:org.springframework.boot.context.properties.source.InvalidConfigurationPropertyNameE异常:配置属性名称“oauth.OAuthClient”无效
您是否尝试过@EnableConfigurationProperties(OAuthClient.class)关于AuthorizationServerConfiguration类?我在@Configuration
类中添加了@EnableConfigurationProperties
,并在OAuthClient
类中移动了@ConfigurationProperties
,但我得到了相同的结果。您确定spring读取了这个@PropertySource(“类路径:oauth_clients.properties“?我的意思是它没有从该文件读取信息,这就是为什么映射为空。请添加StacktracePlease立即签出。请添加StacktracePlease立即签出。