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    You need to add httpcore to your dependencies. Try adding version 4.3 or further.

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    A required library class, Doclet, is not loaded. It's usually found in tools.jar in the JDK so make sure to add it (tools.jar) to your project's build path.

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via GitHub by alexkolson
, 1 year ago
Failed to start bean 'outputBindingLifecycle'; nested exception is java.lang.IllegalStateException: Cannot perform binding, no proper implementation found
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Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException
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Failed to start bean 'outputBindingLifecycle'; nested exception is java.lang.IllegalStateException: A default binder has been requested, but there there is no binder available
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Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException
via Stack Overflow by Majid Golmoradi
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Failed to start bean 'outputBindingLifecycle'; nested exception is org.springframework.cloud.stream.binder.BinderException: E xception thrown while building outbound endpoint
via Stack Overflow by Don Rhummy
, 4 months ago
Failed to start bean 'outputBindingLifecycle'; nested exception is org.springframework.cloud.stream.binder.BinderException: Exception thrown while building outbound endpoint
java.lang.ClassNotFoundException: org.objenesis.strategy.InstantiatorStrategy	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:89)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at org.springframework.integration.codec.kryo.AbstractKryoRegistrar.(AbstractKryoRegistrar.java:35)	at org.springframework.cloud.stream.config.codec.kryo.KryoCodecAutoConfiguration.fileRegistrar(KryoCodecAutoConfiguration.java:61)	at org.springframework.cloud.stream.config.codec.kryo.KryoCodecAutoConfiguration$$EnhancerBySpringCGLIB$$f1c41e78.CGLIB$fileRegistrar$0()	at org.springframework.cloud.stream.config.codec.kryo.KryoCodecAutoConfiguration$$EnhancerBySpringCGLIB$$f1c41e78$$FastClassBySpringCGLIB$$7753b721.invoke()	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:356)	at org.springframework.cloud.stream.config.codec.kryo.KryoCodecAutoConfiguration$$EnhancerBySpringCGLIB$$f1c41e78.fileRegistrar()	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:483)	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:775)	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:313)	at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)	at org.springframework.cloud.stream.binder.DefaultBinderFactory.getBinder(DefaultBinderFactory.java:156)	at org.springframework.cloud.stream.binding.ChannelBindingService.getBinderForChannel(ChannelBindingService.java:142)	at org.springframework.cloud.stream.binding.ChannelBindingService.bindProducer(ChannelBindingService.java:104)	at org.springframework.cloud.stream.binding.BindableProxyFactory.bindOutputs(BindableProxyFactory.java:205)	at org.springframework.cloud.stream.binding.OutputBindingLifecycle.start(OutputBindingLifecycle.java:57)	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:173)	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:51)	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:346)	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:149)	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:112)	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:874)	at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:144)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544)	at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:313)	at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:134)	at org.apereo.cas.mgmt.web.CasManagementWebApplication.main_aroundBody0(CasManagementWebApplication.java:58)	at org.apereo.cas.mgmt.web.CasManagementWebApplication$AjcClosure1.run(CasManagementWebApplication.java:1)	at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)	at org.apereo.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:74)	at org.apereo.cas.mgmt.web.CasManagementWebApplication.main(CasManagementWebApplication.java:57)	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:483)	at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)	at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)	at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)	at org.springframework.boot.loader.WarLauncher.main(WarLauncher.java:59)