java - org.hibernate.PersistentObjectException: uninitialized proxy passed to persist() -

when try save user object during registration following error

userservice

> @service public class userserviceimpl implements userservice { >  >     @autowired >     private userrepository userrepository; >  >     @autowired >     private rolerepository rolerepository; >  >     @autowired >     private bcryptpasswordencoder bcryptpasswordencoder; >  >  >     @override >     public void save(user user) { >         user.setpassword(bcryptpasswordencoder.encode(user.getpassword())); >         set<role> roles; >         roles = new hashset<role>(); >         roles.add(rolerepository.getone(1l)); >         user.setroles(roles); >         userrepository.save(user); >         userrepository.flush(); >  >     } >  >     @override >     public user findbyusername(string username) { >         return userrepository.findbyusername(username); >     } } 

class user:

> @entity  > @table(name = "users") public class user { >  >     @id >     @generatedvalue(strategy = generationtype.auto) >     private long id; >  >     @column(name = "username") >     private string username; >  >     @column(name = "password") >     private string password; >  >     @transient >     private string confirmpassword; >  >     @manytomany(fetch = fetchtype.lazy, cascade = cascadetype.all) >     @jointable(name = "user_roles", joincolumns = @joincolumn(name = "user_id"), >             inversejoincolumns = @joincolumn(name = "role_id")) >     @jsonignore >     private set<role> roles; >  >     public long getid() { >         return id; >     } >  >     public void setid(long id) { >         this.id = id; >     } >  >     public string getusername() { >         return username; >     } >  >     public void setusername(string username) { >         this.username = username; >     } >  >     public string getpassword() { >         return password; >     } >  >     public void setpassword(string password) { >         this.password = password; >     } >  >     public string getconfirmpassword() { >         return confirmpassword; >     } >  >     public void setconfirmpassword(string confirmpassword) { >         this.confirmpassword = confirmpassword; >     } >  >     public set<role> getroles() { >         return roles; >     } >  >     public void setroles(set<role> roles) { >         this.roles = roles; >     } >     public user(){} >     public user(string name, string pass) { >         username = name; >         password = pass; >     } } 

dataconfig:

> @configuration @enabletransactionmanagement @propertysource(value = > {"classpath:hibernate.properties"}) > @enablejparepositories("com.sergey.repository") public class > dataconfig { >     @autowired >     private environment environment; >  >     @bean >     public datasource datasource() { >         drivermanagerdatasource datasource = new drivermanagerdatasource(); >         datasource.setdriverclassname(environment.getrequiredproperty("jdbc.driverclassname")); >         datasource.seturl(environment.getrequiredproperty("jdbc.url")); >         datasource.setusername(environment.getrequiredproperty("jdbc.username")); >         datasource.setpassword(environment.getrequiredproperty("jdbc.password")); >         return datasource; >     } >  >     @bean >     public localsessionfactorybean sessionfactory() { >         localsessionfactorybean sessionfactory = new localsessionfactorybean(); >         sessionfactory.setdatasource(datasource()); >         sessionfactory.setpackagestoscan("com.sergey.entity"); >         sessionfactory.sethibernateproperties(hibernateproperties()); >  >         return sessionfactory; >     } >  >     private properties hibernateproperties() { >         properties properties = new properties(); >         properties.put("hibernate.dialect", environment.getrequiredproperty("hibernate.dialect")); >         properties.put("show_sql", environment.getrequiredproperty("hibernate.show_sql")); >         properties.put("hibernate.hbm2ddl.auto", environment.getrequiredproperty("hibernate.hbm2ddl.auto")); >         return properties; >     } >  >     @bean >     public persistenceexceptiontranslationpostprocessor exceptiontranslation() { >         return new persistenceexceptiontranslationpostprocessor(); >     } >  >     @bean >     public localcontainerentitymanagerfactorybean entitymanagerfactory() { >         localcontainerentitymanagerfactorybean emfb = new localcontainerentitymanagerfactorybean(); >         emfb.setdatasource(datasource()); >         emfb.setpackagestoscan("com.sergey.entity"); >         emfb.setjpavendoradapter(jpavendoradapter()); >         emfb.setjpaproperties(hibernateproperties()); >         return emfb; >     } >  >     @bean >     public jpavendoradapter jpavendoradapter() { >         return new hibernatejpavendoradapter(); >     } >  >     @bean >     @autowired >     public platformtransactionmanager transactionmanager(entitymanagerfactory emf) { >         jpatransactionmanager transactionmanager = new jpatransactionmanager(); >         transactionmanager.setentitymanagerfactory(emf); >         return transactionmanager; >     } } 

userrepositoty:

> public interface userrepository extends jparepository<user, long> { >     user findbyusername(string username); } 

usercontroller:

> public class userscontroller { >  >     @autowired >     private userservice userservice; >  >     @autowired >     private securityservice securityservice; >  >     @autowired >     private uservalidator uservalidator; >  >     @requestmapping(value = "/registration", method = requestmethod.get) >     public string registration(model model) { >         model.addattribute("userform", new user()); >  >         return "registration"; >     } >  >     @requestmapping(value = "/registration", method = requestmethod.post) >     public string registration(@modelattribute("userform") user userform, bindingresult bindingresult, model model) { >         uservalidator.validate(userform, bindingresult); >  >         if (bindingresult.haserrors()) { >             return "registration"; >         } >  >         userservice.save(userform); >  >         securityservice.autologin(userform.getusername(), userform.getconfirmpassword()); >  >         return "redirect:/welcome"; >     } >  >     @requestmapping(value = "/login", method = requestmethod.get) >     public string login(model model, string error, string logout) { >         if (error != null) { >             model.addattribute("error", "username or password incorrect."); >         } >  >         if (logout != null) { >             model.addattribute("message", "logged out successfully."); >         } >  >         return "login"; >     } >  >     @requestmapping(value = {"/", "/welcome"}, method = requestmethod.get) >     public string welcome(model model) { >         return "welcome"; >     } >  >     @requestmapping(value = "/admin", method = requestmethod.get) >     public string admin(model model) { >         return "admin"; >     } } 

jsp:

> <div class="container"> >  >     <form:form method="post" modelattribute="userform" class="form-signin"> >         <h2 class="form-signin-heading">create account</h2> >         <spring:bind path="username"> >             <div class="form-group ${status.error ? 'has-error' : ''}"> >                 <form:input type="text" path="username" class="form-control" placeholder="username" >                             autofocus="true"></form:input> >                 <form:errors path="username"></form:errors> >             </div> >         </spring:bind> >  >         <spring:bind path="password"> >             <div class="form-group ${status.error ? 'has-error' : ''}"> >                 <form:input type="password" path="password" class="form-control" placeholder="password"></form:input> >                 <form:errors path="password"></form:errors> >             </div> >         </spring:bind> >  >         <spring:bind path="confirmpassword"> >             <div class="form-group ${status.error ? 'has-error' : ''}"> >                 <form:input type="password" path="confirmpassword" class="form-control" >                             placeholder="confirm password"></form:input> >                 <form:errors path="confirmpassword"></form:errors> >             </div> >         </spring:bind> >  >         <button class="btn btn-lg btn-primary btn-block" type="submit">submit</button> >     </form:form> >  > </div> 

error, add users:

org.springframework.dao.invaliddataaccessapiusageexception: uninitialized proxy passed persist(); nested exception org.hibernate.persistentobjectexception: uninitialized proxy passed persist() org.springframework.orm.hibernate5.sessionfactoryutils.converthibernateaccessexception(sessionfactoryutils.java:265) org.springframework.orm.hibernate5.hibernateexceptiontranslator.converthibernateaccessexception(hibernateexceptiontranslator.java:65) org.springframework.orm.hibernate5.hibernateexceptiontranslator.translateexceptionifpossible(hibernateexceptiontranslator.java:52) org.springframework.dao.support.chainedpersistenceexceptiontranslator.translateexceptionifpossible(chainedpersistenceexceptiontranslator.java:59) org.springframework.dao.support.dataaccessutils.translateifnecessary(dataaccessutils.java:213) org.springframework.dao.support.persistenceexceptiontranslationinterceptor.invoke(persistenceexceptiontranslationinterceptor.java:147) org.springframework.aop.framework.reflectivemethodinvocation.proceed(reflectivemethodinvocation.java:179) org.springframework.data.jpa.repository.support.crudmethodmetadatapostprocessor$crudmethodmetadatapopulatingmethodinterceptor.invoke(crudmethodmetadatapostprocessor.java:133) org.springframework.aop.framework.reflectivemethodinvocation.proceed(reflectivemethodinvocation.java:179) org.springframework.aop.interceptor.exposeinvocationinterceptor.invoke(exposeinvocationinterceptor.java:92) org.springframework.aop.framework.reflectivemethodinvocation.proceed(reflectivemethodinvocation.java:179) org.springframework.aop.framework.jdkdynamicaopproxy.invoke(jdkdynamicaopproxy.java:213) com.sun.proxy.$proxy47.save(unknown source) com.sergey.service.impl.userserviceimpl.save(userserviceimpl.java:35) com.sergey.controller.userscontroller.registration(userscontroller.java:42) sun.reflect.nativemethodaccessorimpl.invoke0(native method) sun.reflect.nativemethodaccessorimpl.invoke(unknown source) sun.reflect.delegatingmethodaccessorimpl.invoke(unknown source) java.lang.reflect.method.invoke(unknown source) org.springframework.web.method.support.invocablehandlermethod.doinvoke(invocablehandlermethod.java:221) org.springframework.web.method.support.invocablehandlermethod.invokeforrequest(invocablehandlermethod.java:136) org.springframework.web.servlet.mvc.method.annotation.servletinvocablehandlermethod.invokeandhandle(servletinvocablehandlermethod.java:114) org.springframework.web.servlet.mvc.method.annotation.requestmappinghandleradapter.invokehandlermethod(requestmappinghandleradapter.java:827) org.springframework.web.servlet.mvc.method.annotation.requestmappinghandleradapter.handleinternal(requestmappinghandleradapter.java:738) org.springframework.web.servlet.mvc.method.abstracthandlermethodadapter.handle(abstracthandlermethodadapter.java:85) org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:963) org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:897) org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:970) org.springframework.web.servlet.frameworkservlet.dopost(frameworkservlet.java:872) javax.servlet.http.httpservlet.service(httpservlet.java:650) org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:846) javax.servlet.http.httpservlet.service(httpservlet.java:731) org.springframework.web.filter.characterencodingfilter.dofilterinternal(characterencodingfilter.java:197) org.springframework.web.filter.onceperrequestfilter.dofilter(onceperrequestfilter.java:107) org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:316) org.springframework.security.web.access.intercept.filtersecurityinterceptor.invoke(filtersecurityinterceptor.java:126) org.springframework.security.web.access.intercept.filtersecurityinterceptor.dofilter(filtersecurityinterceptor.java:90) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.access.exceptiontranslationfilter.dofilter(exceptiontranslationfilter.java:114) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.session.sessionmanagementfilter.dofilter(sessionmanagementfilter.java:122) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.authentication.anonymousauthenticationfilter.dofilter(anonymousauthenticationfilter.java:111) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.servletapi.securitycontextholderawarerequestfilter.dofilter(securitycontextholderawarerequestfilter.java:169) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.savedrequest.requestcacheawarefilter.dofilter(requestcacheawarefilter.java:48) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.authentication.ui.defaultloginpagegeneratingfilter.dofilter(defaultloginpagegeneratingfilter.java:162) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.authentication.abstractauthenticationprocessingfilter.dofilter(abstractauthenticationprocessingfilter.java:205) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.authentication.logout.logoutfilter.dofilter(logoutfilter.java:120) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.header.headerwriterfilter.dofilterinternal(headerwriterfilter.java:64) org.springframework.web.filter.onceperrequestfilter.dofilter(onceperrequestfilter.java:107) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.context.securitycontextpersistencefilter.dofilter(securitycontextpersistencefilter.java:91) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.context.request.async.webasyncmanagerintegrationfilter.dofilterinternal(webasyncmanagerintegrationfilter.java:53) org.springframework.web.filter.onceperrequestfilter.dofilter(onceperrequestfilter.java:107) org.springframework.security.web.filterchainproxy$virtualfilterchain.dofilter(filterchainproxy.java:330) org.springframework.security.web.filterchainproxy.dofilterinternal(filterchainproxy.java:213) org.springframework.security.web.filterchainproxy.dofilter(filterchainproxy.java:176) org.springframework.web.filter.delegatingfilterproxy.invokedelegate(delegatingfilterproxy.java:346) org.springframework.web.filter.delegatingfilterproxy.dofilter(delegatingfilterproxy.java:262)

what reason execption??

try adding openentitymanagerinviewfilter spring in web.xml

<filter> <filter-name>hibernatefilter</filter-name> <filter-class>     org.springframework.orm.jpa.support.openentitymanagerinviewfilter</filter-class> <init-param>     <param-name>entitymanagerfactorybeanname</param-name>     <param-value>entitymanagerfactory</param-value> </init-param> </filter> <filter-mapping>     <filter-name>hibernatefilter</filter-name>     <url-pattern>/services/*</url-pattern> </filter-mapping>