在编译Grails项目时，无法加载JDBC驱动程序类'net.sourceforge.jtds.jdbc.Driver' [英] Cannot load JDBC driver class 'net.sourceforge.jtds.jdbc.Driver' when compiling Grails project

问题描述

这是我的第一篇文章，所以要温柔！ ：）

This is my first post so be gentle! :)

我设置了一个grails项目（在grails中相当新），并尝试将其连接到SQL 2008数据库，我已经添加了jtds -1.3.0.jar到lib文件夹和我的构建路径，然后我改变了我的DataSource.groovy文件，如下所示： -

I've set up a grails project (fairly new at grails too) and am attempting to connect it to a SQL 2008 database, I've added the jtds-1.3.0.jar to the lib folder and to my build path, and then I've altered my DataSource.groovy file to read as follows: -

dataSource {
    pooled = true
    driverClassName = "net.sourceforge.jtds.jdbc.Driver"
    dialect = "org.hibernate.dialect.SQLServerDialect"
    }

hibernate {
    cache.use_second_level_cache = true
    cache.use_query_cache = false
    cache.region.factory_class = 'net.sf.ehcache.hibernate.EhCacheRegionFactory'
}


// environment specific settings
    development {
        dataSource {
            dbCreate = "update"
        url= "jdbc:jtds:sqlserver://TestServer:1433;databaseName=TestTable"
            username = "test"
            password = "test"
        // logSql=true
        }
    }

麻烦的是当我尝试编译我得到一个巨大的错误， ，我失踪了什么？我已经google了，但找不到一个明显的解决方案...：S

Trouble is when I try to compile I get a massive error which reads as follows, what am I missing? I've googled about but can't find an obvious solution... :S

| Error 2013-03-08 12:44:33,451 [localhost-startStop-1] ERROR context.GrailsContextLoader  - Error executing bootstraps: Error creating bean with name 'transactionManagerPostProcessor': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'lobHandlerDetector' while setting bean property 'lobHandler'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'lobHandlerDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'net.sourceforge.jtds.jdbc.Driver'
Message: Error creating bean with name 'transactionManagerPostProcessor': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'lobHandlerDetector' while setting bean property 'lobHandler'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'lobHandlerDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'net.sourceforge.jtds.jdbc.Driver'

推荐答案

我在过去也有类似的问题。

I have had similar problems in the past.

我已将JTDS的版本更改为1.2.6，并且都正常。

I've changed the version of JTDS to 1.2.6 and all works fine.

- 您不需要手动添加该jar。您只需将以下内容添加到 BuildConfig.groovy （在依赖关系部分）：

By the way - you don't need to add the jar manually. You just have to add the following to your BuildConfig.groovy (in the dependencies section):

runtime 'net.sourceforge.jtds:jtds:1.2.6'

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