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  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

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org/eclipse/birt/core/exception/BirtException
java.lang.ClassNotFoundException: org.spearce.jgit.lib.ObjectId	at java.net.URLClassLoader$1.run(URLClassLoader.java:217)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)	at java.lang.Class.getDeclaredMethods0(Native Method)	at java.lang.Class.privateGetDeclaredMethods(Class.java:2444)	at java.lang.Class.getDeclaredMethod(Class.java:1952)	at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.getMethod(SerializationMethodInvoker.java:128)	at com.thoughtworks.xstream.converters.reflection.SerializationMethodInvoker.supportsReadObject(SerializationMethodInvoker.java:79)	at com.thoughtworks.xstream.converters.reflection.SerializableConverter.isSerializable(SerializableConverter.java:81)	at com.thoughtworks.xstream.converters.reflection.SerializableConverter.canConvert(SerializableConverter.java:77)	at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:63)	at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:68)	at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63)	at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:175)	at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163)	at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135)	at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130)	at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120)	at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94)	at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68)	at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78)	at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63)	at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:175)	at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:163)	at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:135)	at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:130)	at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:120)	at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:94)	at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68)	at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78)	at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63)	at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:98)	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:38)	at com.thoughtworks.xstream.XStream.marshal(XStream.java:840)	at com.thoughtworks.xstream.XStream.marshal(XStream.java:829)	at com.thoughtworks.xstream.XStream.toXML(XStream.java:804)	at hudson.XmlFile.write(XmlFile.java:171)	at hudson.model.AbstractItem.save(AbstractItem.java:419)	at hudson.model.Job.save(Job.java:150)	at hudson.model.AbstractProject.setScm(AbstractProject.java:1379)	at hudson.model.AbstractProject.submit(AbstractProject.java:1688)	at hudson.model.Project.submit(Project.java:192)	at hudson.model.Job.doConfigSubmit(Job.java:965)	at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:643)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:282)	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:149)	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:88)	at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:104)	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:234)	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:234)	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:477)	at org.kohsuke.stapler.Stapler.service(Stapler.java:159)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)	at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)	at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)	at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:65)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:52)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:97)	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)	at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)	at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)	at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)	at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)	at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)	at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)	at java.lang.Thread.run(Thread.java:636)