本文系统环境：
System: Centos 5.8 x86_64
本系统安装后是默认安装了OpenJDK的，具体的位置是：/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre
系统默认安装的openjdk/usr/lib/jvm/java-11执行命令
nohup jenkins --httpPort=8081 --javaHome=/usr/lib/jvm/java-11 >jenkins.log &后台报错解决方案
2022-02-26 07:23:34.584+0000 [id=13] WARNING o.e.j.s.h.ContextHandler$Context#log: Error while serving http://49.232.50.87:8081/descriptorByName/com.gitee.jenkins.connection.GiteeConnectionConfig/testConnection java.lang.ClassNotFoundException: javax.ws.rs.ext.MessageBodyReader at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1402) at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1357) at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1112) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) Caused: java.lang.NoClassDefFoundError: javax/ws/rs/ext/MessageBodyReader at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.java:1172) at org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.java:1340) at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1392) at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1357) at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1112) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:763) at org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.java:1172) at org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.java:1340) at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1392) at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1357) at jenkins.ClassLoaderReflectionToolkit.loadClass(ClassLoaderReflectionToolkit.java:148) at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:650) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.apache.tools.ant.AntClassLoader.findBaseClass(AntClassLoader.java:1421) at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1108) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at com.gitee.jenkins.gitee.api.impl.ResteasyGiteeClientBuilder.buildClient(ResteasyGiteeClientBuilder.java:115) at com.gitee.jenkins.gitee.api.impl.ResteasyGiteeClientBuilder.buildClient(ResteasyGiteeClientBuilder.java:81) at com.gitee.jenkins.connection.GiteeConnection.getClient(GiteeConnection.java:116) at com.gitee.jenkins.connection.GiteeConnectionConfig.doTestConnection(GiteeConnectionConfig.java:145) at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627) at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:398) Caused: java.lang.reflect.InvocationTargetException at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:402) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:410) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:208) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:141) at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:558) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:59) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898) at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:289) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:59) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:766) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:898) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:694) at org.kohsuke.stapler.Stapler.service(Stapler.java:240) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1631) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:157) at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:81) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154) at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:129) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:160) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:154) at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94) at jenkins.security.AcegiSecurityExceptionFilter.doFilter(AcegiSecurityExceptionFilter.java:52) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99) at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:54) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:122) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:116) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:99) at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:109)
安装插件即可：Jersey 2 API
