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java - IllegalArgumentException : 'dataSource' or 'jdbcTemplate' is required when extending JdbcUserDetailsManager

我对Spring还是很陌生,目前我正在努力解决在尝试扩展JdbcUserDetailsManager时引发的异常,因为除了提供的功能之外,我还需要其他功能。类签名看起来像这样,带有一个默认构造函数。@RepositorypublicclassPrimeUserDetailsManagerextendsJdbcUserDetailsManagerimplementsCustomUserDetailsManager{publicstaticStringCUSTOM_USERS_BY_USERNAME_QUERY="selectusername,password,enabledfromuse

spring - @Autowired(required=false) 在构造函数上给出 NoSuchBeanDefinitionException

在Spring应用程序中,我在构造函数中使用了@Autowired(required=false)。这意味着如果要Autowiring的bean在xml文件中不可用,则不应抛出NoSuchBeanDefinitionException,因为提到了(required=false)。但我得到UnsatisfiedDependencyException,NoSuchBeanDefinitionException异常。----文本编辑器publicclassTextEditor{privateSpellCheckerx;privateStringname;@Autowired(required

java - @Autowired vs @Required on setter

我很想知道这样的代码有什么区别:classMyClass{@AutowiredMyServicemyService;}和这样的代码:classMyClass{MyServicemyService;@RequiredpublicvoidsetMyService(MyServiceval){this.myService=val;}} 最佳答案 @Autowired注释用于Autowiringbean。@Autowired不限于setter。它也可以与构造函数和字段一起使用。如果您在字段上使用@Autowired注释,该字段将与具有匹配数

spring - 如何将@Autowired 构造函数参数分别设置为 "required=false"

我在@Configuration类构造函数下使用@Autowired注释。@ConfigurationpublicclassMyConfiguration{privateMyServiceAmyServiceA;privateMyServiceBmyServiceB@AutowiredpublicMyConfiguration(MyServiceAmyServiceA,MyServiceBmyServiceB){this.myServiceA=myServiceA;this.myServiceB=myServiceB;}}作为Springdocumentationsais,我可以声明是

Spring MVC : how to indicate whether a path variable is required or not?

我正在做一个Spring网络。对于Controller方法,我可以使用RequestParam来指示是否需要参数。例如:@RequestMapping({"customer"})publicStringsurveys(HttpServletRequestrequest,@RequestParam(value="id",required=false)Longid,Mapmap)我想使用如下的PathVariable:@RequestMapping({"customer/{id}"})publicStringsurveys(HttpServletRequestrequest,@PathVa

spring - java.lang.IllegalArgumentException : A ServletContext is required to configure default servlet handling

我有以下测试类:@ActiveProfiles({"DataTC","test"})@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(classes={BaseTestConfiguration.class,DataTestConfiguration.class,JpaConfiguration.class,PropertyPlaceholderConfiguration.class})publicclassRegularDayToTimeSlotsTest{...问题似乎来自BaseTestConfigurati

dart - "@required"注释为错误而不是警告

现在在我的Flutter项目中,当我使用@required注释构造函数参数并在实例化构造函数时忘记它时,我从IDE中收到一个轻微的警告,表明该参数是必需的。我希望这显示为来自IDE的实际错误。analysis_options.yaml或其他地方有没有办法将其设置为错误而不是警告? 最佳答案 在analysis_options.yaml添加analyzer:errors:missing_required_param:error之前$flutteranalyzeAnalyzingflutter_0_generic...info•Thep

annotations - 如何在 Flutter 构造函数参数上使用 @required 注解?

当我使用@required注释构造函数参数时,IntelliJ显示错误:Annotationmustbeeitheraconstvariablereferenceorconstconstructorinvocation谁能建议我做错了什么?classStatusBarextendsStatelessWidget{finalStringtext;constStatusBar({Keykey,@requiredthis.text}):assert(text!=null),super(key:key);@overrideWidgetbuild(BuildContextcontext){//.

android - 插件错误 : required plugin "Android Support" is disabled

我的logcat中有一个插件错误10:08:28PMPluginErrorProblemsfoundloadingplugins:Plugin"GoogleAnalyticsUploader"wasnotloaded:requiredplugin"AndroidSupport"isdisabled.Plugin"SDKUpdater"wasnotloaded:requiredplugin"AndroidSupport"isdisabled.Plugin"AndroidNDKSupport"wasnotloaded:requiredplugin"AndroidSupport"isdisa

android - "Gradle Version 2.10 is required."错误

因为我一直在使用classpath'com.android.tools.build:gradle:+'在build.gradle文件中,由于gradleversion2.10已发布,我收到以下错误。错误是:Warning:Gradleversion2.10isrequired.Currentversionis2.8.Ifusingthegradlewrapper,tryeditingthedistributionUrlinC:\Users\blahblah\myproject\gradle\wrapper\gradle-wrapper.propertiestogradle-2.10-a