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Samebug tips

  1. ,
    Expert tip

    You might've forgot to add a dependency or it's written wrong. Also, you might be using incompatible versions of Java and Hibernate. More on this here: https://goo.gl/SjSlRA

  2. ,
    Expert tip

    This error means there's a class missing in your classpath during runtime. You need to create a jar with all your dependencies and have it in your classpath. Check Maven Assembly Plugin and how to add your dependencies to a jar: https://goo.gl/U2zr8k

Solutions on the web

via Jenkins JIRA by peter_schuetze, 1 year ago
java.lang.NoClassDefFoundError: hudson/plugins/view/dashboard/DashboardPortlet
via Jenkins JIRA by peter_schuetze, 1 year ago
java.lang.NoClassDefFoundError: hudson/plugins/view/dashboard/DashboardPortlet
via Jenkins JIRA by sogabe, 1 year ago
java.lang.NoClassDefFoundError: hudson/plugins/view/dashboard/DashboardPortlet
via Jenkins JIRA by sogabe, 1 year ago
java.lang.NoClassDefFoundError: hudson/plugins/view/dashboard/DashboardPortlet
via Jenkins JIRA by o_orand, 1 year ago
java.lang.LinkageError: loader (instance of java/net/URLClassLoader): attempted duplicate class definition for name: "hudson/plugins/sonar/SonarPublisher"{color}
via Jenkins JIRA by o_orand, 1 year ago
java.lang.LinkageError: loader (instance of java/net/URLClassLoader): attempted duplicate class definition for name: "hudson/plugins/sonar/SonarPublisher"{color}
java.lang.ClassNotFoundException: hudson.plugins.view.dashboard.DashboardPortlet	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)	at java.lang.ClassLoader.defineClass(ClassLoader.java:616)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)	at java.lang.Class.getDeclaringClass(Native Method)	at java.lang.Class.getEnclosingClass(Class.java:1085)	at hudson.model.Descriptor.(Descriptor.java:222)	at hudson.plugins.emma.portlet.chart.EmmaBuilderTrendChart$DescriptorImpl.(EmmaBuilderTrendChart.java:239)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)	at java.lang.Class.newInstance0(Class.java:355)	at java.lang.Class.newInstance(Class.java:308)	at net.java.sezpoz.IndexItem.instance(IndexItem.java:168)	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:180)	at hudson.ExtensionFinder._find(ExtensionFinder.java:94)	at hudson.ExtensionList.load(ExtensionList.java:261)	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:218)	at hudson.ExtensionList.getComponents(ExtensionList.java:126)	at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:155)	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:218)	at hudson.ExtensionList.iterator(ExtensionList.java:115)	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsIterator(ExpressionSupport.java:101)	at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:89)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:63)	at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)	at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)	at org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:72)	at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:114)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:551)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:640)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:478)	at org.kohsuke.stapler.Stapler.service(Stapler.java:160)	at javax.servlet.http.HttpServlet.service(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:157)	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:131)	at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:82)	at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:69)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:162)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)	at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)	at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Unknown Source)	at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)	at org.apache.catalina.valves.ErrorReportValve.invoke(Unknown Source)	at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)	at org.apache.catalina.connector.CoyoteAdapter.service(Unknown Source)	at org.apache.jk.server.JkCoyoteHandler.invoke(Unknown Source)	at org.apache.jk.common.HandlerRequest.invoke(Unknown Source)	at org.apache.jk.common.ChannelSocket.invoke(Unknown Source)	at org.apache.jk.common.ChannelSocket.processConnection(Unknown Source)	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(Unknown Source)	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(Unknown Source)	at java.lang.Thread.run(Thread.java:662)