org hibernate hql internal ast QuerySyntaxException table is not mapped

Question

I have example web application Hibernate 4 3 5   Derby database 10 10 1 1  Glassfish4 0 with IDE NetBeans 8 0Beta   I have the next exception   Caused by  org hibernate hql internal ast QuerySyntaxException  CUSTOMERV is not mapped at org hibernate hql internal ast util SessionFactoryHelper requireClassPersister SessionFactoryHelper java 189  at org hibernate hql internal ast tree FromElementFactory addFromElement FromElementFactory java 109  at org hibernate hql internal ast tree FromClause addFromElement FromClause java 95  at org hibernate hql internal ast HqlSqlWalker createFromElement HqlSqlWalker java 331  at org hibernate hql internal antlr HqlSqlBaseWalker fromElement HqlSqlBaseWalker java 3633  at org hibernate hql internal antlr HqlSqlBaseWalker fromElementList HqlSqlBaseWalker java 3522  at org hibernate hql internal antlr HqlSqlBaseWalker fromClause HqlSqlBaseWalker java 706  at org hibernate hql internal antlr HqlSqlBaseWalker query HqlSqlBaseWalker java 562  at org hibernate hql internal antlr HqlSqlBaseWalker selectStatement HqlSqlBaseWalker java 299  at org hibernate hql internal antlr HqlSqlBaseWalker statement HqlSqlBaseWalker java 247  at org hibernate hql internal ast QueryTranslatorImpl analyze QueryTranslatorImpl java 278  at org hibernate hql internal ast QueryTranslatorImpl doCompile QueryTranslatorImpl java 206      72 more    Form from index xhtml         lt h panelGrid id  panel1  columns  2  border  1                   cellpadding  5  cellspacing  1  gt           lt f facet name  header  gt               lt h outputText value  Add Customer Information   gt           lt  f facet gt           lt h outputLabel value  First Name    gt           lt h inputText value    customer firstName   id  fn   gt           lt h outputLabel value  Last Name    gt           lt h inputText value    customer lastName   id  ln   gt           lt h outputLabel value  Email    gt           lt h inputText value    customer email   id  eml   gt           lt h outputLabel value  Date of Birth    gt           lt h inputText value    customer sd   id  s   gt           lt f facet name  footer  gt               lt h outputLabel value    customer msg   id  msg  styleClass  msg   gt               lt h commandButton value  Save  action    customer saveCustomer   gt               lt  h commandButton gt           lt  f facet gt       lt  h panelGrid gt     Customer java           package com javaknowledge entity       import com javaknowledge dao CustomerDao      import java text ParseException      import java text SimpleDateFormat      import java util ArrayList      import java util Date      import java util List      import javax faces bean ManagedBean      import javax faces bean SessionScoped      import javax persistence              ManagedBean      SessionScoped      public class Customer implements java io Serializable        private Integer custId      private String firstName      private String lastName      private String email      private Date dob      private String sd  msg  selectedname      SimpleDateFormat sdf   new SimpleDateFormat  yyyy-MM-dd          public Customer                public Customer String firstName  String lastName  String email  Date dob            this firstName   firstName          this lastName   lastName          this email   email          this dob   dob             public String getSd             return sd             public void setSd String sd            this sd   sd             public Integer getCustId             return this custId             public void setCustId Integer custId            this custId   custId             public String getFirstName             return this firstName             public void setFirstName String firstName            this firstName   firstName             public String getLastName             return this lastName             public void setLastName String lastName            this lastName   lastName             Column name    EMAIL       public String getEmail             return this email             public void setEmail String email            this email   email              Column name    DOB       public Date getDob             return this dob             public void setDob Date dob            this dob   dob             public String getMsg             return msg             public void setMsg String msg            this msg   msg             public String getSelectedname             return selectedname             public void setSelectedname String selectedname            this selectedname   selectedname             public void saveCustomer             try               Date d   sdf parse sd               System out println d               this dob   d            catch  ParseException e                e printStackTrace                      CustomerDao dao   new CustomerDao            dao addCustomer this           this msg    Member Info Saved Successfull            clearAll              public void updateCustomer             try               Date d   sdf parse sd               System out println d               this dob   d            catch  ParseException e                e printStackTrace                      CustomerDao dao   new CustomerDao            dao updateCustomer this           this msg    Member Info Update Successfull            clearAll              public void deleteCustomer             CustomerDao dao   new CustomerDao            dao deleteCustomer custId           this msg    Member Info Delete Successfull            clearAll               public List lt Customer gt  getAllCustomers             List lt Customer gt  users   new ArrayList lt Customer gt             CustomerDao dao   new CustomerDao            users   dao getAllCustomers            return users             public void fullInfo             CustomerDao dao   new CustomerDao            List lt Customer gt  lc   dao getCustomerById selectedname           System out println lc get 0  firstName           this custId   lc get 0  custId          this firstName   lc get 0  firstName          this lastName   lc get 0  lastName          this email   lc get 0  email          this dob   lc get 0  dob          this sd   sdf format dob              private void clearAll             this firstName               this lastName               this sd               this email               this custId 0                hibernate cfg xml    lt  xml version  1 0  encoding  UTF-8   gt   lt  DOCTYPE hibernate-configuration PUBLIC  -  Hibernate Hibernate Configuration DTD 3 0  EN   http   hibernate sourceforge net hibernate-configuration-3 0 dtd  gt   lt hibernate-configuration gt     lt session-factory gt       lt property name  hibernate dialect  gt org hibernate dialect DerbyDialect lt  property gt       lt property name  hibernate connection driver class  gt org apache derby jdbc ClientDriver lt  property gt       lt property name  hibernate connection url  gt jdbc derby   localhost 1527 derbyDB lt  property gt       lt property name  hibernate connection username  gt user1 lt  property gt       lt property name  hibernate connection password  gt user1 lt  property gt       lt property name  hibernate hbm2ddl auto  gt create lt  property gt        lt property name  c3p0 min size  gt 1 lt  property gt       lt property name  c3p0 max size  gt 5 lt  property gt       lt property name  c3p0 timeout  gt 300 lt  property gt       lt property name  c3p0 max statements  gt 50 lt  property gt       lt property name  c3p0 idle test period  gt 300 lt  property gt        lt mapping class  com javaknowledge entity Customer  resource  com javaknowledge entity Customer hbm xml   gt     lt  session-factory gt   lt  hibernate-configuration gt    Customer hbm xml    lt  xml version  1 0  encoding  UTF-8   gt   lt  DOCTYPE hibernate-mapping PUBLIC  -  Hibernate Hibernate Mapping DTD 3 0  EN   http   hibernate sourceforge net hibernate-mapping-3 0 dtd  gt   lt hibernate-mapping gt     lt class name  com javaknowledge entity Customer  table  CUSTOMERV  schema  APP  gt           lt id name  custId  type  java lang Integer  gt               lt column name  cust id    gt               lt generator class  increment    gt           lt  id gt           lt property name  firstName  type  string  gt               lt column name  first name  length  45  not-null  true    gt           lt  property gt           lt property name  lastName  type  string  gt               lt column name  last name  length  45  not-null  true    gt           lt  property gt           lt property name  email  type  string  gt               lt column name  email  length  45  not-null  true    gt           lt  property gt           lt property name  dob  type  date  gt               lt column name  dob  length  10  not-null  true    gt           lt  property gt      lt  class gt   lt  hibernate-mapping gt

User · Answer

Other persons that are using mapping classes for Hibernate  make sure that have addressed correctly to model package in sessionFactory bean declaration in the following part    lt property name  packagesToScan  value  com mblog model  gt  lt  property gt

User · Answer

Problem partially was solved  Besides creating jdbc resource DB Derby  had to create JDBC Connection Pool for db resource in Glassfish admin console  and check it on pinging  Now all CRUD operation work just fine  I check  object Customer in database adding properly  update and delete too  But in Glassfish output log have same exception    SEVERE    org hibernate hql internal ast QuerySyntaxException  CUSTOMERV is not mapped  select concat first name       last name  as name from CUSTOMERV      at org hibernate hql internal ast QuerySyntaxException generateQueryException QuerySyntaxException java 96      at org hibernate QueryException wrapWithQueryString QueryException java 120      at org hibernate hql internal ast QueryTranslatorImpl doCompile QueryTranslatorImpl java 234               Caused by  org hibernate hql internal ast QuerySyntaxException  CUSTOMERV is not mapped     at org hibernate hql internal ast util SessionFactoryHelper requireClassPersister SessionFactoryHelper java 189      at org hibernate hql internal ast tree FromElementFactory addFromElement FromElementFactory java 109

User · Answer

May be this will make it more clear  and of course makes sense too    Entity  Table name    users                author Ram Srinvasan    Use class name in NamedQuery    Use table name in NamedNativeQuery      NamedQueries    NamedQuery name    findUserByName   query    from User u where u name   name        NamedNativeQueries    NamedNativeQuery name    findUserByNameNativeSQL   query    select   from users u where u name   name   resultClass   User class     public class User implements Principal

User · Answer

None of the other solution worked for me   Even if I don t think its the best practice  I Had to add it into the code like this  configuration addAnnotatedClass com myOrg entities Person class    here  public static SessionFactory getSessionFactory         Configuration configuration   new Configuration   configure         configuration addAnnotatedClass com myOrg entities Person class        StandardServiceRegistryBuilder builder   new StandardServiceRegistryBuilder                applySettings configuration getProperties         SessionFactory sessionFactory   configuration buildSessionFactory builder build         return sessionFactory

User · Answer

Finally I found a mistake  Hope this is useful to someone  When doing a request to the database in my case it Apache Derby   name of base need write the first letter upper case other in lower case   This is wrong query   session createQuery  select first name from CUSTOMERV      This is valid query  session createQuery  select first name from Customerv       And class entity must be same name as database  but I m not sure

User · Answer

Another solution that worked   The data access object that actually throwed this exception is  public List lt Foo gt  findAll         return sessionFactory getCurrentSession   createQuery  from foo   list        The mistake I did in the above snippet is that I have used the table name foo inside createQuery  Instead  I got to use Foo  the actual class name   public List lt Foo gt  findAll         return sessionFactory getCurrentSession   createQuery  from Foo   list      Thanks to this blog  https   www arundhaj com blog querysyntaxexception-not-mapped html

User · Answer

Other persons that are using mapping classes for Hibernate  make sure that have addressed correctly to model package in sessionFactory bean declaration in the following part   public List lt Book gt  list         List lt Book gt  list SessionFactory getCurrentSession   createQuery  from book   list        return list      The mistake I did in the above snippet is that I have used the table name foo inside createQuery  Instead  I got to use Foo  the actual class name   public List lt Book gt  list                                                                                        List lt Book gt  list SessionFactory getCurrentSession   createQuery  from Book   list        return list

User · Answer

If you are using the JPA annotations to create the entities and then make sure that the table name is mapped along with  Table annotation instead of  Entity   Incorrectly mapped     Entity name  DB TABLE NAME   public class DbTableName implements Serializable                       Correctly mapped entity     Entity  Table name  DB TABLE NAME   public class DbTableName implements Serializable

User · Answer

Should use Entity class name for em createQuery method or Should use em createNativeQuery method for native query without entity class  With Entity class   em createQuery  select first name from CUSTOMERV    Without Entity class or Native query   em createNativeQuery  select c first name from CUSTOMERV c

User · Answer

in HQL query  Don t write the Table name  write your Entity class name in your query like    String s    from Entity class name   query qry   session createUqery s

User · Answer

I too have faced similar issue when i started to work on Hibernate  All in all i can say is in the createQuery one needs to pass the name of the entity class not the table name to which the entity is mapped to

User · Answer

In Apache Derby DB  refrain from using table names as  user  or so because they are reserved keywords on Apache Derby but will work fine on MySql   In the Query  you must specify the name of the Entity class that you want to fetch the data from in the FROM clause of the Query   List lt User gt  users session createQuery  from User   list      Here  User is the name of my Java Entity class Consider the casing of the name as in Java it matters

User · Answer

It means your table is not mapped to the JPA  Either Name of the table is wrong  Maybe case sensitive   or you need to put an entry in the XML file   Happy Coding

User · Answer

If you by any chance using java for configuration  you may need to check the below bean declaration if you have package level changes  Eg  com abc spring package changed to com bbc spring     Bean     public SessionFactory sessionFactory              LocalSessionFactoryBuilder builder   new LocalSessionFactoryBuilder dataSource               builder scanPackages  com abc spring         Comment this line as this package no longer valid          builder scanPackages  com bbc spring            builder addProperties getHibernationProperties              return builder buildSessionFactory

User · Answer

There is one more chance to get this exception even we used class name i e   if we have two classes with same name in different packages  we ll get this problem    I think hibernate may get ambiguity and throws this exception  so the solution is to use complete qualified name like com test Customerv   I added this answer that will help in scenario as I mentioned  I got the same scenario got stuck for some time

User · Answer

add parameter nativeQuery   true ex   Query value  quot Update user set user name   user name password   password where user id   user id quot  nativeQuery   true

User · Answer

hibernate cfg xml file should have the mapping for the tables like below  Check if it is missing in your file           lt hibernate-configuration gt                   lt session-factory gt          lt mapping class  com test bean dbBean testTableHibernate   gt           lt  session-factory gt    lt  hibernate-configuration gt

User · Answer

In my case I just forgot to add nativeQuery   true  Query  value    quot some sql query     quot   nativeQuery   true   For Spring Boot with Spring Data JPA

User · Answer

In my case  spring boot 2  multiple datasource default and custom   entityManager createQuery go wrong   entity is not mapped   while debug  i find out that the entityManager s unitName is wrong should be custom but the fact is default  the right way    PersistenceContext unitName    customer1       important   private EntityManager em    the customer1 is from the second datasource config class    Bean name    customer1EntityManagerFactory   public LocalContainerEntityManagerFactoryBean entityManagerFactory EntityManagerFactoryBuilder builder           Qualifier  customer1DataSource   DataSource dataSource        return builder dataSource dataSource  packages  com xxx customer1Datasource model                persistenceUnit  customer1                  PersistenceUnit injects an EntityManagerFactory  and PersistenceContext                injects an EntityManager                 It s generally better to use PersistenceContext unless you really need to                manage the EntityManager lifecycle manually                  4               properties jpaProperties getHibernateProperties new HibernateSettings     build        Then the entityManager is right   But  em persist entity  doesn t work and the transaction doesn t work   Another important point is    Transactional  customer1TransactionManager       important public Trade findNewestByJdpModified           test persist working right      Trade t   new Trade        em persist t       log info  t id    t getSysTradeId            test transactional  working right      int a   3 0      customer1TransactionManager is from the second datasource config class    Bean name    customer1TransactionManager   public PlatformTransactionManager transactionManager           Qualifier  customer1EntityManagerFactory   EntityManagerFactory entityManagerFactory        return new JpaTransactionManager entityManagerFactory       The whole second datasource config class is    package com lichendt shops sync   import javax persistence EntityManagerFactory  import javax sql DataSource  import org springframework beans factory annotation Autowired  import org springframework beans factory annotation Qualifier  import org springframework boot autoconfigure jdbc DataSourceProperties  import org springframework boot autoconfigure orm jpa HibernateSettings  import org springframework boot autoconfigure orm jpa JpaProperties  import org springframework boot context properties ConfigurationProperties  import org springframework boot orm jpa EntityManagerFactoryBuilder  import org springframework context annotation Bean  import org springframework context annotation Configuration  import org springframework data jpa repository config EnableJpaRepositories  import org springframework orm jpa JpaTransactionManager  import org springframework orm jpa LocalContainerEntityManagerFactoryBean  import org springframework transaction PlatformTransactionManager  import org springframework transaction annotation EnableTransactionManagement    Configuration  EnableTransactionManagement  EnableJpaRepositories entityManagerFactoryRef    customer1EntityManagerFactory   transactionManagerRef    customer1TransactionManager               1      DAO          DAO   com xx DAO         com xx DAO         basePackages      com lichendt customer1Datasource dao     public class Custom1DBConfig         Autowired     private JpaProperties jpaProperties        Bean name    customer1DatasourceProperties        Qualifier  customer1DatasourceProperties        ConfigurationProperties prefix    customer1 datasource       public DataSourceProperties customer1DataSourceProperties             return new DataSourceProperties                Bean name    customer1DataSource        Qualifier  customer1DatasourceProperties        ConfigurationProperties prefix    customer1 datasource              2 datasource            mysql yaml        public DataSource dataSource                return DataSourceBuilder create   build            return customer1DataSourceProperties   initializeDataSourceBuilder   build                Bean name    customer1EntityManagerFactory       public LocalContainerEntityManagerFactoryBean entityManagerFactory EntityManagerFactoryBuilder builder               Qualifier  customer1DataSource   DataSource dataSource            return builder dataSource dataSource  packages  com lichendt customer1Datasource model       3                             persistenceUnit  customer1                      PersistenceUnit injects an EntityManagerFactory  and PersistenceContext                    injects an EntityManager                     It s generally better to use PersistenceContext unless you really need to                    manage the EntityManager lifecycle manually                      4                   properties jpaProperties getHibernateProperties new HibernateSettings     build                Bean name    customer1TransactionManager       public PlatformTransactionManager transactionManager               Qualifier  customer1EntityManagerFactory   EntityManagerFactory entityManagerFactory            return new JpaTransactionManager entityManagerFactory

[java] org.hibernate.hql.internal.ast.QuerySyntaxException: table is not mapped

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