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I have this problem:

When i use hibernate with a Main class, the application works good, BUT when i use the same code in a Struts Action have the exception.
What is the problem, hibernate dont found the tables of databases when is use in a Action...



[b]Hibernate version:3.0

[b]Mapping documents:

<hibernate-mapping>
<class name="docom.tucasa.logic.MortageRates" table="mortage_rates" catalog="tucasa">
<id name="id" type="integer">
<column name="id" />
<generator class="increment" />
</id>
<property name="tipoPrestamo" type="string">
<column name="tipo_prestamo" length="50" />
</property>
<property name="tasa" type="double">
<column name="tasa" precision="3" />
</property>
<property name="puntos" type="double">
<column name="puntos" precision="3" />
</property>
</class>
</hibernate-mapping>




[b]Code between sessionFactory.openSession() and session.close():


session.save(obj);


[b]Full stack trace of any exception that occurs:



Hibernate: insert into tucasa__mortage_rates (tipo_prestamo, tasa, puntos, id) values (?, ?, ?, ?)
org.hibernate.exception.SQLGrammarException: could not insert: [docom.tucasa.logic.MortageRates]
at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:70)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.persister.entity.BasicEntityPersister.insert(BasicEntityPersister.java:1869)
at org.hibernate.persister.entity.BasicEntityPersister.insert(BasicEntityPersister.java:2200)
at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:46)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:239)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:223)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:136)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:274)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:730)
at docom.tucasa.servicio.ServicioBD.insert(ServicioBD.java:141)
at docom.tucasa.action.prueba.PruebaAction.execute(PruebaAction.java:51)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.sql.SQLException: Table 'tucasa.tucasa__mortage_rates' doesn't exist
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2851)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1531)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1622)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2385)
at com.mysql.jdbc.Connection.execSQL(Connection.java:2306)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1877)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1974)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1897)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1758)
at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:22)
at org.hibernate.persister.entity.BasicEntityPersister.insert(BasicEntityPersister.java:1853)




[b]Name and version of the database you are using:MySQL 4.

The problem was the attribute:

catalog="tucasa"

this element, add before a table, the catalog, in MySQL is not necesary!