Spring Boot Security + Thymeleaf: IProcessorDialect-Klasse fehlt

Ich versuche, den Thymeleaf-Sicherheits-Dialekt zu integrieren (wie zBsec: autorisiere tag) in eine Spring Boot + Spring Security-Anwendung ein, die ordnungsgemäß funktioniert.

ach einigen Recherchen stellte ich fest, dass die zu aktivierende Lösung darin besteh

Hinzufügen der Abhängigkeit in der POM-Datei:

<dependency>
    <groupId>org.thymeleaf.extras</groupId>
    <artifactId>thymeleaf-extras-springsecurity4</artifactId>
    <version>3.0.0.RELEASE</version>
</dependency>

und fügen Sie das Tag oben in die Vorlagendatei ein:

<html   xmlns:th="http://www.thymeleaf.org" lang="en"
        xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">

So weit, ist es gut. Die Abhängigkeit wird gefunden, die Tags werden im Markup erkannt.

Sie werden jedoch nicht berücksichtigt und erscheinen im endgültigen generierten HTML-Code.

Aufgrund eines Problems in der automatischen Spring Boot-Konfiguration, das nicht aktiviert werden kann, scheint es erforderlich zu sein, manuell ein @ hinzuzufüge SpringSecurityDialect Bean an eine @Configuration-Klasse, um sie zu aktivieren (mehrere Fragen, die in StackOverflow gefunden wurden, wurden dadurch gelöst):

@Bean
    public SpringSecurityDialect securityDialect() {
        return new SpringSecurityDialect();
    }

Dies ist die Ursache für ein Problem: Wenn ich diese Bean in meine Spring Boot-Konfiguration hinzufüge, wird eine Ausnahme ausgelöst, da die Klasse @ nicht gefunden werden kan org.thymeleaf.dialect.IProcessorDialect. Hier ist der Fehler:

> java.lang.IllegalStateException: Could not evaluate condition on
> org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration#propertySourcesPlaceholderConfigurer
> due to org/thymeleaf/dialect/IProcessorDialect not found. Make sure
> your own configuration does not rely on that class. This can also
> happen if you are @ComponentScanning a springframework package (e.g.
> if you put a @ComponentScan in the default package by mistake)

Was vermisse ich? Ist das ein Fehler von Thymeleaf? Frühlingsstiefel? Mein eigener Code? Vielen Dank im Voraus für Ihre Hilfe

Hier sind einige meiner Dateien, die von meinem Problem betroffen sind:

Application.java

@SpringBootApplication
public class Application extends SpringBootServletInitializer {

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(Application.class);
    }

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

    @Bean
      public EmbeddedServletContainerFactory servletContainer() {
        TomcatEmbeddedServletContainerFactory tomcat = new TomcatEmbeddedServletContainerFactory() {
            @Override
            protected void postProcessContext(Context context) {
              SecurityConstraint securityConstraint = new SecurityConstraint();
              securityConstraint.setUserConstraint("CONFIDENTIAL");
              SecurityCollection collection = new SecurityCollection();
              collection.addPattern("/*");
              securityConstraint.addCollection(collection);
              context.addConstraint(securityConstraint);
            }
          };

        tomcat.addAdditionalTomcatConnectors(initiateHttpConnector());
        return tomcat;
      }

      private Connector initiateHttpConnector() {
        Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
        connector.setScheme("http");
        connector.setPort(8080);
        connector.setSecure(false);
        connector.setRedirectPort(8443);

        return connector;
      }
}

WebMvcConfig.java

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.thymeleaf.extras.springsecurity4.dialect.SpringSecurityDialect;

@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {

    /**
     * Configure relationships between URLs and view names
     */
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
    }

    @Bean
    public SpringSecurityDialect securityDialect() {
        return new SpringSecurityDialect();
    }
}

Thymeleaf-Vorlage:

<!DOCTYPE html>
<html   xmlns:th="http://www.thymeleaf.org" lang="en"
        xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">

....

<div sec:authorize="isAuthenticated()">
    LOGGED IN
</div>
<div sec:authorize="isAnonymous()">
    ANONYMOUS
</div>

....

Die vollständige Konsolenausgabe beim Starten der Anwendung:

>  :: Spring Boot ::        (v1.3.4.RELEASE)
> 
> 2016-05-17 17:22:59.951  INFO 96267 --- [  restartedMain]
> edu.rmit.eres.estor,ed.Application        : Starting Application on
> w8031808.local with PID 96267
> (/Users/guillaume/dev/workspace/e-stored/target/classes started by
> guillaume in /Users/guillaume/dev/workspace/e-stored) 2016-05-17
> 17:22:59.956  INFO 96267 --- [  restartedMain]
> edu.rmit.eres.estored.Application        : No active profile set,
> falling back to default profiles: default 2016-05-17 17:23:00.239 
> INFO 96267 --- [  restartedMain]
> ationConfigEmbeddedWebApplicationContext : Refreshing
> org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@16f53cde:
> startup date [Tue May 17 17:23:00 AEST 2016]; root of context
> hierarchy 2016-05-17 17:23:01.578 ERROR 96267 --- [  restartedMain]
> o.s.boot.SpringApplication               : Application startup failed
> 
> java.lang.IllegalStateException: Could not evaluate condition on
> org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration#propertySourcesPlaceholderConfigurer
> due to org/thymeleaf/dialect/IProcessorDialect not found. Make sure
> your own configuration does not rely on that class. This can also
> happen if you are @ComponentScanning a springframework package (e.g.
> if you put a @ComponentScan in the default package by mistake)    at
> org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:55)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:102)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForBeanMethod(ConfigurationClassBeanDefinitionReader.java:178)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:140)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:116)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:333)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:678)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:520)
> ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]     at
> org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
> ~[spring-boot-1.3.4.RELEASE.jar:1.3.4.RELEASE]    at
> org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
> [spring-boot-1.3.4.RELEASE.jar:1.3.4.RELEASE]     at
> org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
> [spring-boot-1.3.4.RELEASE.jar:1.3.4.RELEASE]     at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
> [spring-boot-1.3.4.RELEASE.jar:1.3.4.RELEASE]     at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
> [spring-boot-1.3.4.RELEASE.jar:1.3.4.RELEASE]     at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
> [spring-boot-1.3.4.RELEASE.jar:1.3.4.RELEASE]     at
> edu.rmit.eres.estored.Application.main(Application.java:24)
> [classes/:na]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method) ~[na:1.8.0_60]    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> ~[na:1.8.0_60]    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[na:1.8.0_60]    at java.lang.reflect.Method.invoke(Method.java:497)
> ~[na:1.8.0_60]    at
> org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
> [spring-boot-devtools-1.3.4.RELEASE.jar:1.3.4.RELEASE] Caused by:
> java.lang.NoClassDefFoundError:
> org/thymeleaf/dialect/IProcessorDialect   at
> java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_60]  at
> java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[na:1.8.0_60]
>   at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> ~[na:1.8.0_60]    at
> java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
> ~[na:1.8.0_60]    at
> java.net.URLClassLoader.access$100(URLClassLoader.java:73)
> ~[na:1.8.0_60]    at
> java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[na:1.8.0_60]
>   at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
> ~[na:1.8.0_60]    at java.security.AccessController.doPrivileged(Native
> Method) ~[na:1.8.0_60]    at
> java.net.URLClassLoader.findClass(URLClassLoader.java:361)
> ~[na:1.8.0_60]    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_60]
>   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
> ~[na:1.8.0_60]    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_60]
>   at
> org.springframework.boot.devtools.restart.classloader.RestartClassLoader.loadClass(RestartClassLoader.java:151)
> ~[spring-boot-devtools-1.3.4.RELEASE.jar:1.3.4.RELEASE]   at
> java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_60]
>   at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_60]
>   at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
> ~[na:1.8.0_60]    at java.lang.Class.getDeclaredMethods(Class.java:1975)
> ~[na:1.8.0_60]    at
> org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:612)
> ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]    at
> org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524)
> ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]    at
> org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510)
> ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]    at
> org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:570)
> ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]    at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:683)
> ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]   at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:627)
> ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]   at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:597)
> ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]   at
> org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1445)
> ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]   at
> org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:975)
> ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]   at
> org.springframework.boot.autoconfigure.condition.BeanTypeRegistry$OptimizedBeanTypeRegistry.addBeanTypeForNonAliasDefinition(BeanTypeRegistry.java:289)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.BeanTypeRegistry$OptimizedBeanTypeRegistry.addBeanType(BeanTypeRegistry.java:278)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.BeanTypeRegistry$OptimizedBeanTypeRegistry.getNamesForType(BeanTypeRegistry.java:259)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.OnBeanCondition.collectBeanNamesForType(OnBeanCondition.java:182)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:171)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchingBeans(OnBeanCondition.java:139)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchOutcome(OnBeanCondition.java:113)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  at
> org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47)
> ~[spring-boot-autoconfigure-1.3.4.RELEASE.jar:1.3.4.RELEASE]  ... 22
> common frames omitted Caused by: java.lang.ClassNotFoundException:
> org.thymeleaf.dialect.IProcessorDialect   at
> java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> ~[na:1.8.0_60]    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_60]
>   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
> ~[na:1.8.0_60]    at
> java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_60]
>   ... 56 common frames omitted
> 
> 2016-05-17 17:23:01.581  INFO 96267 --- [  restartedMain]
> .b.l.ClasspathLoggingApplicationListener : Application failed to start
> with classpath:
> [file:/Users/guillaume/dev/workspace/e-stored/target/classes/]

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