Question

我试图启动Nifi。但是上下文初始化失败。如何摆脱这个错误？

Nifi版本：1.9.2

2019-11-08 19:47:12,206 INFO [main] o.a.nifi.properties.NiFiPropertiesLoader Loaded 152 properties from D:\Git\DIP1\data-integration-platform\nifi-assembly\target\nifi-1.9.2-bin\nifi-1.9.2\.\conf\nifi.properties
2019-11-08 19:47:17,273 ERROR [main] o.s.web.context.ContextLoader Context initialization failed
java.lang.LinkageError: loader constraint violation: loader (instance of org/eclipse/jetty/webapp/WebAppClassLoader) previously initiated loading for a different type with name "org/aopalliance/aop/Advice"
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at org.eclipse.jetty.webapp.WebAppClassLoader.foundClass(WebAppClassLoader.java:649)
at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:555)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.sun.proxy.$Proxy89.<clinit>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:739)
at org.springframework.aop.framework.JdkDynamicAopProxy.getProxy(JdkDynamicAopProxy.java:122)
at org.springframework.aop.framework.ProxyFactoryBean.getProxy(ProxyFactoryBean.java:368)
at org.springframework.aop.framework.ProxyFactoryBean.getSingletonInstance(ProxyFactoryBean.java:322)
at org.springframework.aop.framework.ProxyFactoryBean.getObject(ProxyFactoryBean.java:246)
at org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration.lazyBean(AuthenticationConfiguration.java:148)
at org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration.getAuthenticationManagerBean(AuthenticationConfiguration.java:152)
at org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration.getAuthenticationManager(AuthenticationConfiguration.java:108)

Answer 1

有两个可能的问题

您通常无法启动Nifi
您对Nifi所做的特定更改会阻止您启动它

要消除第一个，请尝试使用干净版本的Nifi。

如果可行，我们可以得出结论，问题出在您的更改上。消除所有更改并一次引入1（或几个）以识别重大更改，然后从那里进行更深入的研究。

无法启动Nifi

1 个答案: