Olá, pessoal!
Estou estudando pelo dia inteiro e funcionando pelo Servlet e Hibernate… agora inicio na noite acabaram problemas servlet em cada projeto e quase tudo iguais ocorreram erro, veja em baixo.
Mensagem de erro
HTTP Status 500 -
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type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: javassist/util/proxy/MethodFilter
org.hibernate.bytecode.javassist.BytecodeProviderImpl.getProxyFactoryFactory(BytecodeProviderImpl.java:49)
org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactoryInternal(PojoEntityTuplizer.java:203)
org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:181)
org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:158)
org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:76)
org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.<init>(EntityEntityModeToTuplizerMapping.java:80)
org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:325)
org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:457)
org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:131)
org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:261)
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327)
org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
Controlador.IncluirServlet.doGet(IncluirServlet.java:29)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
java.lang.ClassNotFoundException: javassist.util.proxy.MethodFilter
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1647)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1493)
org.hibernate.bytecode.javassist.BytecodeProviderImpl.getProxyFactoryFactory(BytecodeProviderImpl.java:49)
org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactoryInternal(PojoEntityTuplizer.java:203)
org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:181)
org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:158)
org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:76)
org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.<init>(EntityEntityModeToTuplizerMapping.java:80)
org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:325)
org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:457)
org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:131)
org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:261)
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327)
org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
Controlador.IncluirServlet.doGet(IncluirServlet.java:29)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.30 logs.
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Apache Tomcat/6.0.30Nunca vi que aconteceu erro tudo… o que aconteceu esse? espero me ajude… obrigado!