Question

我希望JPA应用程序在启动期间验证架构。因此，我向persistence.xml添加了以下属性：

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

但是休眠无法验证架构：

...
Caused by: org.hibernate.exception.SQLGrammarException: Error accessing table metadata
    at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:106)
    at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
    at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.convertSQLException(InformationExtractorJdbcDatabaseMetaDataImpl.java:98)
    at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.getTables(InformationExtractorJdbcDatabaseMetaDataImpl.java:341)
    at org.hibernate.tool.schema.extract.internal.DatabaseInformationImpl.getTablesInformation(DatabaseInformationImpl.java:120)
    at org.hibernate.tool.schema.internal.GroupedSchemaValidatorImpl.validateTables(GroupedSchemaValidatorImpl.java:39)
    at org.hibernate.tool.schema.internal.AbstractSchemaValidator.performValidation(AbstractSchemaValidator.java:89)
    at org.hibernate.tool.schema.internal.AbstractSchemaValidator.doValidation(AbstractSchemaValidator.java:68)
    at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:191)
    at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72)
    at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:309)
    at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:462)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:938)
    ... 41 more
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: USE statement is not supported to switch between databases. Use a new connection to connect to a different database.
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:254)
    at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:258)
    at com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:104)
    at com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:26)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection$1ConnectionCommand.doExecute(SQLServerConnection.java:2907)
    at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7240)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2869)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectionCommand(SQLServerConnection.java:2912)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.setCatalog(SQLServerConnection.java:3227)
    at com.microsoft.sqlserver.jdbc.SQLServerDatabaseMetaData.switchCatalogs(SQLServerDatabaseMetaData.java:342)
    at com.microsoft.sqlserver.jdbc.SQLServerDatabaseMetaData.getResultSetFromStoredProc(SQLServerDatabaseMetaData.java:296)
    at com.microsoft.sqlserver.jdbc.SQLServerDatabaseMetaData.getResultSetWithProvidedColumnNames(SQLServerDatabaseMetaData.java:318)
    at com.microsoft.sqlserver.jdbc.SQLServerDatabaseMetaData.getTables(SQLServerDatabaseMetaData.java:502)
    at org.apache.tomcat.dbcp.dbcp.DelegatingDatabaseMetaData.getTables(DelegatingDatabaseMetaData.java:604)
    at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.getTables(InformationExtractorJdbcDatabaseMetaDataImpl.java:329)
    ... 50 more

除了禁用验证以外，是否有其他解决方法？

Answer 1

SQL文件中似乎存在syantx错误。一段时间以来，每个数据库的SQL可能会有所不同，而另一个数据库无法与您使用的sql语法相适应。

Hibernate模式验证在Microsoft SQL Azure上失败

1 个答案: