Hibenate访问Oracle数据库异常：ORA-00911: 无效字符

Exception in thread "main" org.hibernate.exception.SQLGrammarException: ORA-00911: 无效字符

at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:122)

at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)

at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)

at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)

at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129)

at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)

at $Proxy5.executeUpdate(Unknown Source)

at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:56)

at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2856)

at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3297)

at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:88)

at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:362)

at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:354)

at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:275)

at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:326)

at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:52)

at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1127)

at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:325)

at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.beforeTransactionCommit(JdbcTransaction.java:101)

at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:175)

at hibernate.conn.UserDAOImpl.saveUser(UserDAOImpl.java:115)

at hibernate.conn.TestDAO.main(TestDAO.java:26)

Caused by: java.sql.SQLException: ORA-00911: 无效字符

at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:74)

at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:131)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:204)

at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:455)

at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:413)

at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:1034)

at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:194)

at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:953)

at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1222)

at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3387)

at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:3468)

at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeUpdate(OraclePreparedStatementWrapper.java:1062)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:122)

... 17 more

主要原因是由于未给对象属性赋值，导致不能插入数据库，_User中以_开头Oracle无法识别。

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