2 Replies Latest reply on Aug 2, 2013 1:59 AM by Milind Bharambe

    Getting unknown database exception while creating schema programmatically?

    Milind Bharambe Newbie

      I am trying to create schema and tables programmatically using hibernate/GWT/Java. I created the configuration with all mapping resources and properties etc. follows,

       

      Configuration hibConfiguration = new Configuration().configure(configFileDoc);

       

      but when I say

       

         SchemaExport schemaExport = new SchemaExport(hibConfiguration);

          schemaExport.create(true, true);

       

      it is throwing exception as,

       

          ERROR: HHH000231: Schema export unsuccessful

         

              com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'testschema'

                        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

                        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

                        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

                        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

                        at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

                        at com.mysql.jdbc.Util.getInstance(Util.java:386)

                        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052)

                        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)

                        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)

                        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:943)

                        at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4113)

                        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1308)

                        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2336)

                        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2369)

                        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2153)

                        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)

                        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)

                        at sun.reflect.GeneratedConstructorAccessor36.newInstance(Unknown Source)

                        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

                        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

                        at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

                        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)

                        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)

                        at java.sql.DriverManager.getConnection(DriverManager.java:582)

                        at java.sql.DriverManager.getConnection(DriverManager.java:154)

                        at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:193)

                        at org.hibernate.tool.hbm2ddl.ManagedProviderConnectionHelper.prepare(ManagedProviderConnectionHelper.java:55)

                        at org.hibernate.tool.hbm2ddl.DatabaseExporter.<init>(DatabaseExporter.java:52)

                        at org.hibernate.tool.hbm2ddl.SchemaExport.execute(SchemaExport.java:367)

                        at org.hibernate.tool.hbm2ddl.SchemaExport.create(SchemaExport.java:304)

                        at org.hibernate.tool.hbm2ddl.SchemaExport.create(SchemaExport.java:293)

       

      **my cfg.xml file**:

       

       

          <?xml version="1.0" encoding="UTF-8" standalone="no"?>

          <hibernate-configuration>

             <session-factory>

                <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>

                <property name="hibernate.connection.password">passwd</property>

                <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>

                <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/testSchema</property>

                <property name="hibernate.connection.username">root</property>

                <property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>

                <property name="javax.persistence.validation.mode">none</property>

                <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>

                <property name="hibernate.default_entity_mode">dynamic-map</property>

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

             </session-factory>

          </hibernate-configuration>

       

      And If I manually created the schema then it is working fine, i.e. creating tables and columns also. But normally it is not creating schema, Is it not possible to create schema automatically?