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I have a problem that I've been struggling to solve but I'm not getting anywhere.

I'm using JPA Hibernate to create tables, but instead of creating the table, he shows me the error:

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table ‘escola.tab_alunos’ doesn’t exist

Here's my persistence.xml:

<persistence xmlns="http://java.sun.com/xml/ns/persistence"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/persistence 
    http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
    version="2.0">

    <persistence-unit name="banco" transaction-type="RESOURCE_LOCAL">
    <description>
    Persistence unit for the JPA tutorial of the Hibernate Getting Started Guide
    </description>
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <class>org.halyph.sessiondemo.Event</class>

    <properties>
        <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
        <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/escola" />
        <property name="javax.persistence.jdbc.user" value="root" />
        <property name="javax.persistence.jdbc.password" value="0000" />

        <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
        <property name="hibernate.show_sql" value="true" />
        <property name="hibernate.hbm2ddl.auto" value="update" />
    </properties>
</persistence-unit>

And here's the class Aluno:

@Entity
@Table(name="TAB_ALUNOS")
@SequenceGenerator(name="TAB_ALUNOS_PK", sequenceName="SEQ_ALUNOS_PK", allocationSize=1)
public class Aluno {

    @Id
    @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="TAB_ALUNOS_PK")
    private Long id;

    @Column(length=10, nullable=false)
    private String matricula;

    @Column(length=100, nullable=false)
    private String nome;

    @Column(length=9 ,nullable=false)
    private String sexo;

    @Column(name="DATA_NASCIMENTO", length=10, nullable=false)
    private String dataNascimento;

    @Column(length=30, columnDefinition="DEFAULT 'Ativo'")
    private String situacao;

    // ....
 }

Any idea on how can I solve this problem?

Just for the record, the first time I started the project, it worked just fine, but due to a mistake I've made, I had to drop the table, after that hibernate stopped creating the table and now I can't do anything


Modify

<property name="hibernate.hbm2ddl.auto" value="update" />

to

<property name="hibernate.hbm2ddl.auto" value="create" />

The value="update" modifies the existing table while value="create" creates a table, but if the table already exists, it drops the table with the data and creates a table again.

Spring Boot - Hibernate - Table does not exists, @SpringBootApplication(exclude={HibernateJpaAutoConfiguration.class}). This question is similar to Hibernate says that table doesn't exist  I have a problem that I've been struggling to solve but I'm not getting anywhere. I'm using JPA Hibernate to create tables, but instead of creating the table, he shows me the error: com.mysql.j


Change <property name="hibernate.hbm2ddl.auto" value="create" />

Refer here for all possible values of hbm2ddl.auto

Hibernate hbm2ddl.auto possible values and what they do?

Spring Boot MySQL : Table 'DB_NAME.hibernate_sequence' doesn't , Why Spring Boot doesn't create schema for MySQL DB while using I set up data source for MySQL schema with name 'test' that doesn't exists and put the It seems like "spring.jpa.hibernate.ddl-auto=create" creates schema only for I have same issue after spring boot 1.5 to 2.0 migration. my tables  If you specified for the Hibernate tool to DROP the database tables, and this was your first run, then the tables don't exist. But this doesn't matter: Hibernate schemaexport will create the tables anyway. Just have a look into your database.


The error shows up because your persistance.xml has been configured to update tables. During the first run, there are no tables that have been created, and thus nothing to update.

On the first run, set <property name="hibernate.hbm2ddl.auto" value="create" /> so that a table can be created from your pojo. Then, set it back to <property name="hibernate.hbm2ddl.auto" value="update" /> so that your tables can be updated instead of being created at each run

Why Spring Boot doesn't create schema for MySQL DB while using , MySQLSyntaxErrorException: Table 'catalog.credit_card' doesn't exist I also tried changing the spring.jpa.hibernate.naming-strategy to  EugenMaysyuk changed the title Why Spring Boot doesn't create schema for production MySQL DB while using "spring.jpa.hibernate.ddl-auto=create"? Why Spring Boot doesn't create schema for MySQL DB while using "spring.jpa.hibernate.ddl-auto=create"? Apr 4, 2018


I tried changing it to:

<property name="hibernate.hbm2ddl.auto" value="create" />

and i have also tried changing to:

<property name="hibernate.hbm2ddl.auto" value="create-drop" />

Neither one of those two worked.

JPA not detecting valid table names in 1.4.0.RELEASE · Issue , Solution. I added the following entry to application.yml in my application which fixed the issue. spring.jpa.hibernate.naming.physical-  'allocationSize' doesn't mean that the entities ids will increase by this value but it is a number after which the database query will be made again to get the next database sequence value. On the application side, ids for an entities instances will always increase by 1 unless we reach the allocationSize limit.


MySQLSyntaxErrorException: Table 'db.settings' doesn't exist, MySQL tables not found even though they exists and the Spring MVC application is PersistenceException: org.hibernate.exception. doGet(FrameworkServlet.​java:844) javax.servlet.http. Employee' doesn't exist. It should not re-create the table everytime I restart my application server and also be able to see the data that I saved earlier. Can any one help me out. Hibernate: How to avoid drop & recreate of table on Server restart (Object Relational Mapping forum at Coderanch)


MySQL tables not found even though they exists and the Spring , Hi, i'm new at JPA and this stuff. After working with a tutorial i've got this error. Build it with ANT and Hibernate. Cant really figure out my  Now my question that is there any way that i could will able to create table if there table not exist and able to do insert operation same time in same xml file. That customer will not have to worry that is there table exist or not.


Hibernate Community • View topic, One of the benefits of using JPA and Hibernate is that it provides an abstraction of database-specific dialects It requires a database sequence, and MySQL doesn't support this feature. So, you need to choose between IDENTITY and TABLE. The hibernate property spring.jpa.hibernate.ddl-auto = create will automatically create database tables based on the entity classes in your application on startup. We have also included the createDatabaseIfNotExist=true configuration property in spring.datasource.url to automatically create the database if it doesn't already exist.