java.lang.NoClassDefFoundError: org/springframework/cloud/netflix/zuul/filters/TraceProxyRequestHelper

GitHub | jiangyuhe123 | 3 months ago
  1. 0

    Error startup when using Spring Cloud Discovery

    GitHub | 3 months ago | jiangyuhe123
    java.lang.NoClassDefFoundError: org/springframework/cloud/netflix/zuul/filters/TraceProxyRequestHelper
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    Could not start Demo admin, java.lang.NoClassDefFoundError: org/springframework/cloud/netflix/zuul/filters/TraceProxyRequestHelper

    GitHub | 3 months ago | kala888
    java.lang.NoClassDefFoundError: org/springframework/cloud/netflix/zuul/filters/TraceProxyRequestHelper
  3. 0

    GitHub comment 6502#237055684

    GitHub | 4 months ago | philwebb
    java.lang.NoClassDefFoundError: com/google/gson/Gson
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  5. 0

    Why this exception happens when start a spring boot admin application?

    Stack Overflow | 2 months ago | leo
    java.lang.NoClassDefFoundError: javax/servlet/ServletContextListener

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.springframework.cloud.netflix.zuul.filters.TraceProxyRequestHelper

    at java.net.URLClassLoader.findClass()
  2. Java RT
    Class.getDeclaredMethods
    1. java.net.URLClassLoader.findClass(Unknown Source)
    2. java.lang.ClassLoader.loadClass(Unknown Source)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    4. java.lang.ClassLoader.loadClass(Unknown Source)
    5. java.lang.Class.getDeclaredMethods0(Native Method)
    6. java.lang.Class.privateGetDeclaredMethods(Unknown Source)
    7. java.lang.Class.getDeclaredMethods(Unknown Source)
    7 frames
  3. Spring Core
    ReflectionUtils.getUniqueDeclaredMethods
    1. org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:612)
    2. org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524)
    3. org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510)
    4. org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:570)
    4 frames
  4. Spring Beans
    DefaultListableBeanFactory.getBeansOfType
    1. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:683)
    2. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:627)
    3. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:597)
    4. org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1450)
    5. org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:447)
    6. org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:417)
    7. org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:532)
    8. org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:525)
    8 frames
  5. Spring Context
    AbstractApplicationContext.getBeansOfType
    1. org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1184)
    1 frame
  6. Spring Boot
    SpringApplication.run
    1. org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java:885)
    2. org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java:871)
    3. org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java:857)
    4. org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:809)
    5. org.springframework.boot.SpringApplication.run(SpringApplication.java:324)
    6. org.springframework.boot.SpringApplication.run(SpringApplication.java:1185)
    7. org.springframework.boot.SpringApplication.run(SpringApplication.java:1174)
    7 frames
  7. com.siemens.cms
    SpringBootAdminApplication.main
    1. com.siemens.cms.admin.dashboard.SpringBootAdminApplication.main(SpringBootAdminApplication.java:15)
    1 frame