cl0924 opened a new issue, #4363:
URL: https://github.com/apache/shenyu/issues/4363
### Question
Scenario: Sometimes no changes are made. Restart shenyu-admin, and this
error will be reported in the idea. Excuse me, did I accidentally modify
something wrong
```
Error starting ApplicationContext. To display the conditions report re-run
your application with 'debug' enabled.
2023-02-07 16:01:30.895 ERROR 63884 --- [ main]
o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'shiroFilterFactoryBean' defined in class path resource
[org/apache/shenyu/admin/shiro/config/ShiroConfiguration.class]: Bean
instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shiro.spring.web.ShiroFilterFactoryBean]: Factory method
'shiroFilterFactoryBean' threw exception; nested exception is
java.lang.NullPointerException
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:270)
~[spring-context-5.3.20.jar:5.3.20]
at
org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:762)
~[spring-context-5.3.20.jar:5.3.20]
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:567)
~[spring-context-5.3.20.jar:5.3.20]
at
org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145)
~[spring-boot-2.6.8.jar:2.6.8]
at
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:745)
~[spring-boot-2.6.8.jar:2.6.8]
at
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:420)
~[spring-boot-2.6.8.jar:2.6.8]
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
~[spring-boot-2.6.8.jar:2.6.8]
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1317)
~[spring-boot-2.6.8.jar:2.6.8]
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1306)
~[spring-boot-2.6.8.jar:2.6.8]
at
org.apache.shenyu.admin.ShenyuAdminBootstrap.main(ShenyuAdminBootstrap.java:36)
~[classes/:na]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to
instantiate [org.apache.shiro.spring.web.ShiroFilterFactoryBean]: Factory
method 'shiroFilterFactoryBean' threw exception; nested exception is
java.lang.NullPointerException
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
~[spring-beans-5.3.20.jar:5.3.20]
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
~[spring-beans-5.3.20.jar:5.3.20]
... 19 common frames omitted
Caused by: java.lang.NullPointerException: null
at
org.apache.shenyu.admin.shiro.config.ShiroConfiguration.shiroFilterFactoryBean(ShiroConfiguration.java:75)
~[classes/:na]
at
org.apache.shenyu.admin.shiro.config.ShiroConfiguration$$EnhancerBySpringCGLIB$$aec7d1f0.CGLIB$shiroFilterFactoryBean$2(<generated>)
~[classes/:na]
at
org.apache.shenyu.admin.shiro.config.ShiroConfiguration$$EnhancerBySpringCGLIB$$aec7d1f0$$FastClassBySpringCGLIB$$2f390691.invoke(<generated>)
~[classes/:na]
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
~[spring-core-5.3.20.jar:5.3.20]
at
org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
~[spring-context-5.3.20.jar:5.3.20]
at
org.apache.shenyu.admin.shiro.config.ShiroConfiguration$$EnhancerBySpringCGLIB$$aec7d1f0.shiroFilterFactoryBean(<generated>)
~[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.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
~[spring-beans-5.3.20.jar:5.3.20]
... 20 common frames omitted
```
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