Autowiring fails Not an managed Type

Question

I have a big problem in my diploma project and would be very glad if you guys could help me  I made a Maven Multi Module Project and have 3  Core-projects    NaviClean   Parent  NaviCleanDomain  contains the domain model with all my entities and an interface MeinRemoteDienst which is needed by NaviCleanServer and NaviCleanCleint for the Hessianprotocol NaviCleanClient  conatins the GUI and a Hessian connection to NaviCleanServer NaviCleanServer  Here are my repositories  my connection to the DB and the Implementation of the interface einRemoteDienst NaviCleanServer  amp  NaviCleanClient have NaviCleanDomain in Maven as Dependency    Now every time I try to start the Server on my Tomcat I get the following error    ERROR  org springframework web context ContextLoader - Context initialization failed org springframework beans factory BeanCreationException   Error creating bean with name  transaktionsRepository    Injection of persistence dependencies failed   nested exception is org springframework beans factory CannotLoadBeanClassException   Error loading class  at naviclean service impl MeinRemoteDienstImpl  for bean with name  meinRemoteDienstImpl  defined in file  C  Users Fredy Documents workspace-sts-3 1 0 RELEASE  metadata  plugins org eclipse wst server core tmp0 wtpwebapps NaviCleanServer WEB-INF classes at naviclean service impl MeinRemoteDienstImpl class    problem with class file or dependent class   nested exception is java lang NoClassDefFoundError  at naviclean service MeinRemoteDienst at org springframework orm jpa support PersistenceAnnotationBeanPostProcessor postProcessPropertyValues PersistenceAnnotationBeanPostProcessor java 342  at org springframework beans factory support AbstractAutowireCapableBeanFactory populateBean AbstractAutowireCapableBeanFactory java 1106                            ModelBase   package at naviclean domain   import java io Serializable  import java util Date   import javax persistence Column  import javax persistence GeneratedValue  import javax persistence GenerationType  import javax persistence Id  import javax persistence MappedSuperclass  import javax persistence Version    SuppressWarnings  serial    MappedSuperclass public class ModelBase implements Serializable         Id      GeneratedValue strategy   GenerationType AUTO       Column name    id       private Long id        Version      Column name    ts       private Date timestamp       public Long getId             return id             public Date getTimestamp             return timestamp             public void setId Long id            this id   id             public void setTimestamp Date timestamp            this timestamp   timestamp             Kassa   package at naviclean domain   import javax persistence Column  import javax persistence Entity    SuppressWarnings  serial    Entity public class Kassa extends ModelBase         Column name    name   unique   true      private String name        Column name    geld       private int geld       public Kassa String name  int geld            this name   name          this geld   geld             public Kassa                public String getName             return name             public int getGeld             return geld             public void setName String name            this name   name             public void setGeld int geld            this geld   geld             MeinRemoteDienst   package at naviclean service   import at naviclean domain Kassa   public interface MeinRemoteDienst        int getKassaCount int plus        String getNameFromKassa int id        Kassa findById int id       BaseRepository  package at naviclean repositories   import org springframework data jpa repository JpaRepository   import at naviclean domain ModelBase   public interface BaseRepository lt T extends ModelBase gt  extends         JpaRepository lt T  Long gt        T findById long id        KassaRepository   package at naviclean repositories   import java util List   import org springframework data jpa repository Query   import at naviclean domain Kassa   public interface KassaRepository extends BaseRepository lt Kassa gt        List lt Kassa gt  findByGeld int geld        Kassa findByName String name         Query  select k from Kassa k where k geld    1       Kassa findByGeld1 int geld       MeinRemoteDienstImpl   package at naviclean service impl   import org springframework beans factory annotation Autowired  import org springframework stereotype Service   import at naviclean domain Kassa  import at naviclean repositories KassaRepository  import at naviclean service MeinRemoteDienst    Service public class MeinRemoteDienstImpl implements MeinRemoteDienst         Autowired required   true      public KassaRepository kassaR       public int getKassaCount int plus            return 2              public String getNameFromKassa int id            return kassaR findById id   0l  getName                Override     public Kassa findById int id            return   kassaR findById id   0l              application-context xml    lt  xml version  1 0  encoding  UTF-8    gt   lt beans xmlns  http   www springframework org schema beans      xmlns xsi  http   www w3 org 2001 XMLSchema-instance  xmlns jpa  http   www springframework org schema data jpa      xmlns context  http   www springframework org schema context      xmlns repository  http   www springframework org schema data repository      xsi schemaLocation  http   www springframework org schema data repository http   www springframework org schema data repository spring-repository xsd         http   www springframework org schema beans http   www springframework org schema beans spring-beans xsd         http   www springframework org schema data jpa http   www springframework org schema data jpa spring-jpa xsd         http   www springframework org schema context http   www springframework org schema context spring-context xsd  gt         lt import resource  infrastructures xml    gt        lt jpa repositories base-package  at naviclean repositories  gt           lt repository exclude-filter type  regex              expression  at naviclean repositories BaseRepository    gt       lt  jpa repositories gt        lt context component-scan base-package  at naviclean service impl    gt    lt  beans gt    infrastructures xml    lt  xml version  1 0  encoding  UTF-8   gt   lt beans xmlns  http   www springframework org schema beans          xmlns xsi  http   www w3 org 2001 XMLSchema-instance          xmlns jdbc  http   www springframework org schema jdbc          xmlns context  http   www springframework org schema context          xsi schemaLocation  http   www springframework org schema jdbc http   www springframework org schema jdbc spring-jdbc-3 0 xsd                 http   www springframework org schema beans http   www springframework org schema beans spring-beans-3 0 xsd                 http   www springframework org schema context http   www springframework org schema context spring-context-3 0 xsd  gt              lt bean id  entityManagerFactory                  class  org springframework orm jpa LocalContainerEntityManagerFactoryBean  gt                   lt property name  dataSource  ref  dataSource    gt                   lt property name  jpaVendorAdapter  gt                           lt bean class  org springframework orm jpa vendor HibernateJpaVendorAdapter  gt                                   lt property name  showSql  value  true    gt                                   lt property name  generateDdl  value  true    gt                                   lt property name  databasePlatform  value  org hibernate dialect MySQLDialect    gt                           lt  bean gt                   lt  property gt           lt  bean gt            lt bean id  dataSource                  class  org springframework jdbc datasource DriverManagerDataSource  gt                   lt property name  driverClassName  value  com mysql jdbc Driver    gt                   lt property name  url  value  jdbc mysql   localhost kassatest    gt                   lt property name  username  value  root    gt                   lt property name  password  value      gt           lt  bean gt            lt bean id  transactionManager  class  org springframework orm jpa JpaTransactionManager  gt                   lt property name  entityManagerFactory  ref  entityManagerFactory    gt           lt  bean gt             lt bean id  validator  class  org springframework validation beanvalidation LocalValidatorFactoryBean    gt    lt  beans gt    servlet-context xml    lt  xml version  1 0  encoding  UTF-8   gt   lt beans xmlns  http   www springframework org schema beans      xmlns xsi  http   www w3 org 2001 XMLSchema-instance  xmlns context  http   www springframework org schema context      xmlns p  http   www springframework org schema p  xmlns mvc  http   www springframework org schema mvc      xmlns c  http   www springframework org schema c      xsi schemaLocation  http   www springframework org schema mvc http   www springframework org schema mvc spring-mvc xsd         http   www springframework org schema beans http   www springframework org schema beans spring-beans xsd         http   www springframework org schema util http   www springframework org schema util spring-util-3 1 xsd         http   www springframework org schema context http   www springframework org schema context spring-context xsd  gt      lt import resource     root-context xml    gt       lt bean id  idMeinRemoteDienst  class  at naviclean service impl MeinRemoteDienstImpl    gt       lt bean name   MeinRemoteDienstHessian          class  org springframework remoting caucho HessianServiceExporter          p serviceInterface  at naviclean service MeinRemoteDienst          p service-ref  idMeinRemoteDienst    gt    lt  beans gt    root-context xml    lt  xml version  1 0  encoding  UTF-8   gt   lt beans xmlns  http   www springframework org schema beans      xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   www springframework org schema beans http   www springframework org schema beans spring-beans xsd  gt        lt import resource  classpath META-INF spring application-context xml    gt    lt  beans gt    web xml    lt  xml version  1 0  encoding  UTF-8   gt   lt web-app version  2 5  xmlns  http   java sun com xml ns javaee      xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   java sun com xml ns javaee http   java sun com xml ns javaee web-app 2 5 xsd  gt        lt  -- The definition of the Root Spring Container shared by all Servlets          and Filters -- gt       lt context-param gt           lt param-name gt contextConfigLocation lt  param-name gt           lt param-value gt  WEB-INF spring root-context xml lt  param-value gt       lt  context-param gt        lt  -- Creates the Spring Container shared by all Servlets and Filters -- gt       lt listener gt           lt listener-class gt org springframework web context ContextLoaderListener lt  listener-class gt       lt  listener gt         lt servlet gt           lt servlet-name gt  MeinRemoteDienstHessian lt  servlet-name gt           lt servlet-class gt org springframework web servlet DispatcherServlet lt  servlet-class gt           lt init-param gt               lt param-name gt contextConfigLocation lt  param-name gt               lt param-value gt  WEB-INF spring appServlet servlet-context xml lt  param-value gt           lt  init-param gt           lt load-on-startup gt 1 lt  load-on-startup gt       lt  servlet gt        lt servlet-mapping gt           lt servlet-name gt  MeinRemoteDienstHessian lt  servlet-name gt           lt url-pattern gt  remoting   lt  url-pattern gt       lt  servlet-mapping gt    lt  web-app gt    Here is what I already tried  1  I wrote this test which  went red    package at spengergasse kassa   import static org hamcrest CoreMatchers equalTo  import static org hamcrest CoreMatchers is  import static org hamcrest CoreMatchers not  import static org hamcrest CoreMatchers nullValue  import static org hamcrest MatcherAssert assertThat   import org junit Before  import org junit Test  import org junit runner RunWith  import org springframework beans factory annotation Autowired  import org springframework test context ContextConfiguration  import org springframework test context junit4 SpringJUnit4ClassRunner   import at naviclean domain Kassa  import at naviclean repositories KassaRepository    ContextConfiguration  classpath META-INF spring application-context xml    RunWith SpringJUnit4ClassRunner class  public class KassaTest         Autowired required   true      private KassaRepository kassaR        Before     public void setUp   throws Exception                Test     public void findByIdTest             Kassa k   kassaR findById 2            assertThat k  is not nullValue                   Test     public void findByGeld             Kassa k   kassaR findByGeld1 1200            assertThat k  is not nullValue                   Test     public void test             Kassa vorher   new Kassa  ssf   222           kassaR save vorher           Kassa nachher   kassaR findById vorher getId             kassaR delete nachher           assertThat vorher getId    is equalTo nachher getId                  ERRORS   ERROR  org springframework test context TestContextManager -  Caught exception while allowing TestExecutionListener  org springframework test context support DependencyInjectionTestExecutionListener 41e22632  to prepare test instance  at spengergasse kassa KassaTest 6639be68  java lang IllegalStateException  Failed to load ApplicationContext     at org springframework test context TestContext getApplicationContext TestContext java 157      at org springframework test context support DependencyInjectionTestExecutionListener injectDependencies DependencyInjectionTestExecutionListener java 109      at org springframework test context support DependencyInjectionTestExecutionListener prepareTestInstance DependencyInjectionTestExecutionListener java 75      at org springframework test context TestContextManager prepareTestInstance TestContextManager java 321      at org springframework test context junit4 SpringJUnit4ClassRunner createTest SpringJUnit4ClassRunner java 211      at org springframework test context junit4 SpringJUnit4ClassRunner 1 runReflectiveCall SpringJUnit4ClassRunner java 288      at org junit internal runners model ReflectiveCallable run ReflectiveCallable java 15      at org springframework test context junit4 SpringJUnit4ClassRunner methodBlock SpringJUnit4ClassRunner java 290      at org springframework test context junit4 SpringJUnit4ClassRunner runChild SpringJUnit4ClassRunner java 231      at org junit runners BlockJUnit4ClassRunner runChild BlockJUnit4ClassRunner java 49      at org junit runners ParentRunner 3 run ParentRunner java 193      at org junit runners ParentRunner 1 schedule ParentRunner java 52      at org junit runners ParentRunner runChildren ParentRunner java 191      at org junit runners ParentRunner access 000 ParentRunner java 42      at org junit runners ParentRunner 2 evaluate ParentRunner java 184      at org springframework test context junit4 statements RunBeforeTestClassCallbacks evaluate RunBeforeTestClassCallbacks java 61      at org springframework test context junit4 statements RunAfterTestClassCallbacks evaluate RunAfterTestClassCallbacks java 71      at org junit runners ParentRunner run ParentRunner java 236      at org springframework test context junit4 SpringJUnit4ClassRunner run SpringJUnit4ClassRunner java 174      at org eclipse jdt internal junit4 runner JUnit4TestReference run JUnit4TestReference java 50      at org eclipse jdt internal junit runner TestExecution run TestExecution java 38      at org eclipse jdt internal junit runner RemoteTestRunner runTests RemoteTestRunner java 467      at org eclipse jdt internal junit runner RemoteTestRunner runTests RemoteTestRunner java 683      at org eclipse jdt internal junit runner RemoteTestRunner run RemoteTestRunner java 390      at org eclipse jdt internal junit runner RemoteTestRunner main RemoteTestRunner java 197    Caused by  org springframework beans factory BeanCreationException   Error creating bean with name  meinRemoteDienstImpl      Injection of autowired dependencies failed     nested exception is org springframework beans factory BeanCreationException   Could not autowire field  public at naviclean repositories KassaRepository at naviclean service impl MeinRemoteDienstImpl kassaR   nested exception is org springframework beans factory BeanCreationException   Error creating bean with name  kassaRepository   FactoryBean threw exception on object creation   nested exception is java lang IllegalArgumentException    Not an managed type  class at naviclean domain Kassa       at org springframework beans factory annotation AutowiredAnnotationBeanPostProcessor postProcessPropertyValues AutowiredAnnotationBeanPostProcessor java 287                    2  I insertet in my persitence xml my domainmodel an repositories manually  The result was a  green  test but I wasn t still able to start the server     Thanks alot in advance    I can t imagine what it would be without you

User · Answer

When you extend indirectly JpaRepository   KassaRepository extends BaseRepository that extends JpaRepository  then you have to annotate BaseRepository with  NoRepositoryBean     NoRepositoryBean public interface BaseRepository lt T extends ModelBase gt  extends JpaRepository lt T  Long gt        T findById long id

User · Answer

For me the error was quite simple based on what  alfred m said      tomcat had 2 jars conflicting having same set of Class names and configuration   What happened was               I copied my existing project to make a new project out of the existing project  but without making required changes  I started working on other project  Henec 2 projects had same classes and configuration files  resulting into conflict   Deleted the copied project and things started working

User · Answer

You should extend the scope of the component-scan e g   lt context component-scan base-package  at naviclean    gt  since you placed the entities in package at naviclean domain   This should help you to get rid the exeption   Not an managed type  class at naviclean domain Kassa   For further debugging you could try to dump the application context  see javadoc  to explore which classes have been detected by the component-scan if some are still no recognized check their annotation   Service   Component etc    EDIT   You also need to add the classes to your persistence xml    lt persistence-unit gt       lt class gt at naviclean domain Kassa lt  class gt            lt  persistence-unit gt

User · Answer

For Controllers   SpringBootApplication scanBasePackages     com school controllers     For Respositories   EnableJpaRepositories basePackages     com school repos     For Entities   EntityScan basePackages     com school models     This will slove       Can t Autowire  Repository annotated interface    problem as well as      Not an managed Type   problem  Sample configuration below  package com school boot   import org springframework boot SpringApplication  import org springframework boot autoconfigure SpringBootApplication  import org springframework boot autoconfigure domain EntityScan  import org springframework data jpa repository config EnableJpaRepositories     SpringBootApplication scanBasePackages     com school controllers     EnableJpaRepositories basePackages     com school repos     EntityScan basePackages     com school models    public class SchoolApplication        public static void main String   args            SpringApplication run SchoolApplication class  args

User · Answer

In my case  when using IntelliJ  I had multiple modules in the project  The main module was dependent on another module which had the maven dependencies on Spring   The main module had Entitys and so did the second module  But when I ran the main module  only the Entitys from the second module got recognized as managed classes   I then added Spring dependencies on the main module as well  and guess what  It recognized all the Entitys

User · Answer

I got an very helpful advice from Oliver Gierke      The last exception you get actually indicates a problem with your JPA   setup   Not a managed bean  means not a type the JPA provider is aware   of  If you re setting up a Spring based JPA application I d recommend   to configure the  packagesToScan  property on the   LocalContainerEntityManagerFactory you have configured to the package   that contains your JPA entities  Alternatively you can list all your   entity classes in persistence xml  but that s usually more cumbersome       The former error you got  NoClassDefFound  indicates the class   mentioned is not available on the projects classpath  So you might   wanna check the inter module dependencies you have  As the two   relevant classes seem to be located in the same module it might also   just be an issue with an incomplete deployment to Tomcat  WTP is kind   of bitchy sometimes   I d definitely recommend to run a test for   verification  as you already did   As this seems to lead you to a   different exception  I guess it s really some Eclipse glitch   Thanks

User · Answer

Refering to Oliver Gierke s hint   When the manipulation of the persistance xml does the trick  then you created a normal java-class instead of a entity-class    When creating a new entity-class then the entry in the persistance xml should be set by Netbeans  in my case    But as mentioned by Oliver Gierke you can add the entry later to the persistance xml  if you created a normal java-class

User · Answer

You get the same exception when you pass the incorrect Entity object to the CrudRepository in the repository class   public interface XYZRepository extends CrudRepository lt IncorrectEntityClass  Long gt

User · Answer

If anyone is strugling with the same problem I solved it by adding  EntityScan in my main class  Just add your model package to the basePackages property

User · Answer

In spring boot I get same exception by using CrudRepository because I forgot to set generic types  I want to write it here in case it helps someone   errorneous definition   public interface OctopusPropertiesRepository extends CrudRepository   error   Caused by  java lang IllegalArgumentException  Not a managed type  class java lang Object   successfull definition   public interface OctopusPropertiesRepository extends CrudRepository lt OctopusProperties Long gt

User · Answer

Just in case some other poor sod ends up here because they are having the same issue I was  if you have multiple data sources and this is happening with the non-primary data source  then the problem might be with that config  The data source  entity manager factory  and transaction factory all need to be correctly configured  but also -- and this is what tripped me up -- MAKE SURE TO TIE THEM ALL TOGETHER   EnableJpaRepositories  configuration class annotation  must include entityManagerFactoryRef and transactionManagerRef to pick up all the configuration   The example in this blog finally helped me see what I was missing  which  for quick reference  were the refs here    EnableJpaRepositories      entityManagerFactoryRef    barEntityManagerFactory       transactionManagerRef    barTransactionManager       basePackages    com foobar bar     Hope this helps save someone else from the struggle I ve endured

User · Answer

you need check packagesToScan    lt bean id  entityManagerFactoryDB  class  org springframework orm jpa LocalContainerEntityManagerFactoryBean       lt property name  dataSource  ref  dataSourceDB    gt       lt property name  persistenceUnitName  value  persistenceUnitDB    gt       lt property name  packagesToScan  value  at naviclean domain    gt                                                here

User · Answer

After encountering this issue and tried different method of adding the entity packaname name to EntityScan  ComponentScan etc  none of it worked   Added the package to packageScan config in the EntityManagerFactory of the repository config  The below code gives the code based configuration as opposed to XML based ones answered above    Primary  Bean name    entityManagerFactory   public EntityManagerFactory entityManagerFactory         LocalContainerEntityManagerFactoryBean emf   new LocalContainerEntityManagerFactoryBean        emf setDataSource dataSource       emf setJpaVendorAdapter jpaVendorAdapter       emf setPackagesToScan  org package entity        emf setPersistenceUnitName  default         emf afterPropertiesSet        return emf getObject

[java] Autowiring fails: Not an managed Type

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