Backend crashes by building LSPs

[pcprinz]

This is the error:

Error message

```log Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2021-09-06 11:29:32.572 ERROR 6615 --- [cBackend.main()] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'springSecurityFilterChain' defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw exception; nested exception is java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:456) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1288) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:307) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:846) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:863) ~[spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) ~[spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at de.btu.swt.backend.DedocBackend.main(DedocBackend.java:13) ~[classes/:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:282) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw exception; nested exception is java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] ... 27 common frames omitted Caused by: java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter at de.btu.swt.backend.security.JwtConfigurer.configure(JwtConfigurer.java:17) ~[classes/:na] at de.btu.swt.backend.security.JwtConfigurer.configure(JwtConfigurer.java:8) ~[classes/:na] at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.configure(AbstractConfiguredSecurityBuilder.java:384) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild(AbstractConfiguredSecurityBuilder.java:330) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.AbstractSecurityBuilder.build(AbstractSecurityBuilder.java:41) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.web.builders.WebSecurity.performBuild(WebSecurity.java:294) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.web.builders.WebSecurity.performBuild(WebSecurity.java:79) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild(AbstractConfiguredSecurityBuilder.java:334) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.AbstractSecurityBuilder.build(AbstractSecurityBuilder.java:41) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration.springSecurityFilterChain(WebSecurityConfiguration.java:104) ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba.CGLIB$springSecurityFilterChain$0() ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba$$FastClassBySpringCGLIB$$aebfdc3d.invoke() ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba.springSecurityFilterChain() ~[spring-security-config-5.1.3.RELEASE.jar:5.1.3.RELEASE] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE] ... 28 common frames omitted Caused by: java.lang.ClassNotFoundException: de.btu.swt.backend.security.JwtTokenFilter at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471) ~[na:na] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) ~[na:na] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[na:na] ... 48 common frames omitted [WARNING] org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'springSecurityFilterChain' defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw exception; nested exception is java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter at org.springframework.beans.factory.support.ConstructorResolver.instantiate (ConstructorResolver.java:627) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod (ConstructorResolver.java:456) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod (AbstractAutowireCapableBeanFactory.java:1288) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance (AbstractAutowireCapableBeanFactory.java:1127) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:538) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean (AbstractAutowireCapableBeanFactory.java:498) 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.AbstractBeanFactory.doGetBean (AbstractBeanFactory.java:307) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean (AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons (DefaultListableBeanFactory.java:846) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization (AbstractApplicationContext.java:863) at org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java:546) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh (ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh (SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:397) at org.springframework.boot.SpringApplication.run (SpringApplication.java:316) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1248) at de.btu.swt.backend.DedocBackend.main (DedocBackend.java:13) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.codehaus.mojo.exec.ExecJavaMojo$1.run (ExecJavaMojo.java:282) at java.lang.Thread.run (Thread.java:829) Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw exception; nested exception is java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate (SimpleInstantiationStrategy.java:185) at org.springframework.beans.factory.support.ConstructorResolver.instantiate (ConstructorResolver.java:622) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod (ConstructorResolver.java:456) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod (AbstractAutowireCapableBeanFactory.java:1288) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance (AbstractAutowireCapableBeanFactory.java:1127) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:538) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean (AbstractAutowireCapableBeanFactory.java:498) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$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.AbstractBeanFactory.doGetBean (AbstractBeanFactory.java:307) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean (AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons (DefaultListableBeanFactory.java:846) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization (AbstractApplicationContext.java:863) at org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java:546) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh (ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh (SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:397) at org.springframework.boot.SpringApplication.run (SpringApplication.java:316) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1248) at de.btu.swt.backend.DedocBackend.main (DedocBackend.java:13) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.codehaus.mojo.exec.ExecJavaMojo$1.run (ExecJavaMojo.java:282) at java.lang.Thread.run (Thread.java:829) Caused by: java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter at de.btu.swt.backend.security.JwtConfigurer.configure (JwtConfigurer.java:17) at de.btu.swt.backend.security.JwtConfigurer.configure (JwtConfigurer.java:8) at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.configure (AbstractConfiguredSecurityBuilder.java:384) at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild (AbstractConfiguredSecurityBuilder.java:330) at org.springframework.security.config.annotation.AbstractSecurityBuilder.build (AbstractSecurityBuilder.java:41) at org.springframework.security.config.annotation.web.builders.WebSecurity.performBuild (WebSecurity.java:294) at org.springframework.security.config.annotation.web.builders.WebSecurity.performBuild (WebSecurity.java:79) at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild (AbstractConfiguredSecurityBuilder.java:334) at org.springframework.security.config.annotation.AbstractSecurityBuilder.build (AbstractSecurityBuilder.java:41) at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration.springSecurityFilterChain (WebSecurityConfiguration.java:104) at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba.CGLIB$springSecurityFilterChain$0 () at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba$$FastClassBySpringCGLIB$$aebfdc3d.invoke () at org.springframework.cglib.proxy.MethodProxy.invokeSuper (MethodProxy.java:244) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept (ConfigurationClassEnhancer.java:363) at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba.springSecurityFilterChain () at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate (SimpleInstantiationStrategy.java:154) at org.springframework.beans.factory.support.ConstructorResolver.instantiate (ConstructorResolver.java:622) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod (ConstructorResolver.java:456) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod (AbstractAutowireCapableBeanFactory.java:1288) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance (AbstractAutowireCapableBeanFactory.java:1127) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:538) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean (AbstractAutowireCapableBeanFactory.java:498) 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.AbstractBeanFactory.doGetBean (AbstractBeanFactory.java:307) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean (AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons (DefaultListableBeanFactory.java:846) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization (AbstractApplicationContext.java:863) at org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java:546) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh (ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh (SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:397) at org.springframework.boot.SpringApplication.run (SpringApplication.java:316) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1248) at de.btu.swt.backend.DedocBackend.main (DedocBackend.java:13) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.codehaus.mojo.exec.ExecJavaMojo$1.run (ExecJavaMojo.java:282) at java.lang.Thread.run (Thread.java:829) Caused by: java.lang.ClassNotFoundException: de.btu.swt.backend.security.JwtTokenFilter at java.net.URLClassLoader.findClass (URLClassLoader.java:471) at java.lang.ClassLoader.loadClass (ClassLoader.java:589) at java.lang.ClassLoader.loadClass (ClassLoader.java:522) at de.btu.swt.backend.security.JwtConfigurer.configure (JwtConfigurer.java:17) at de.btu.swt.backend.security.JwtConfigurer.configure (JwtConfigurer.java:8) at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.configure (AbstractConfiguredSecurityBuilder.java:384) at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild (AbstractConfiguredSecurityBuilder.java:330) at org.springframework.security.config.annotation.AbstractSecurityBuilder.build (AbstractSecurityBuilder.java:41) at org.springframework.security.config.annotation.web.builders.WebSecurity.performBuild (WebSecurity.java:294) at org.springframework.security.config.annotation.web.builders.WebSecurity.performBuild (WebSecurity.java:79) at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild (AbstractConfiguredSecurityBuilder.java:334) at org.springframework.security.config.annotation.AbstractSecurityBuilder.build (AbstractSecurityBuilder.java:41) at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration.springSecurityFilterChain (WebSecurityConfiguration.java:104) at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba.CGLIB$springSecurityFilterChain$0 () at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba$$FastClassBySpringCGLIB$$aebfdc3d.invoke () at org.springframework.cglib.proxy.MethodProxy.invokeSuper (MethodProxy.java:244) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept (ConfigurationClassEnhancer.java:363) at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$c712dbba.springSecurityFilterChain () at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate (SimpleInstantiationStrategy.java:154) at org.springframework.beans.factory.support.ConstructorResolver.instantiate (ConstructorResolver.java:622) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod (ConstructorResolver.java:456) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod (AbstractAutowireCapableBeanFactory.java:1288) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance (AbstractAutowireCapableBeanFactory.java:1127) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean (AbstractAutowireCapableBeanFactory.java:538) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean (AbstractAutowireCapableBeanFactory.java:498) 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.AbstractBeanFactory.doGetBean (AbstractBeanFactory.java:307) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean (AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons (DefaultListableBeanFactory.java:846) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization (AbstractApplicationContext.java:863) at org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java:546) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh (ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh (SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:397) at org.springframework.boot.SpringApplication.run (SpringApplication.java:316) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run (SpringApplication.java:1248) at de.btu.swt.backend.DedocBackend.main (DedocBackend.java:13) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.codehaus.mojo.exec.ExecJavaMojo$1.run (ExecJavaMojo.java:282) at java.lang.Thread.run (Thread.java:829) [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 47.934 s [INFO] Finished at: 2021-09-06T11:29:32+02:00 [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.6.0:java (default-cli) on project backend: An exception occured while executing the Java class. Error creating bean with name 'springSecurityFilterChain' defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw exception; nested exception is java.lang.NoClassDefFoundError: de/btu/swt/backend/security/JwtTokenFilter: de.btu.swt.backend.security.JwtTokenFilter -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [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 ```

[schubmat]

@pcprinz Could you please checkout bug/JwtTokenFilter and see whether this works?

[pcprinz]

I checked the branch and obviously this seems to work on first attempt. Even after restarting there is no problem anymore.