Hi, please use English
------------------ Liang Zhang (John) Apache ShardingSphere & Dubbo [email protected] <[email protected]> 于2019年10月31日周四 下午8:36写道： > hi： > > spring的版本为5.0.4-release，在使用shardingsphere-4.0.0-RC2版本的时候，，原有老版本配置（sharding-sphere：3.0.0.M3）的分表策略在该版本下项目启动的时候报错；后来核对了下新老sharding的分表策略，在使用上面做了修改 > > 老版本 > <sharding:inline-strategy id="xxx" > sharding-column="asset_acct_id" > > algorithm-expression="xxx_${Long.valueOf(asset_acct_id.substring(asset_acct_id.length() > - 4, asset_acct_id.length())) % 10}"/> > 新版本 > <sharding:inline-strategy id="xxx" > sharding-column="asset_acct_id" > > algorithm-expression="xxx_$->{Long.valueOf(asset_acct_id.substring(asset_acct_id.length() > - 4, asset_acct_id.length())) % 10}"/> > 修改前报错的信息如下： > 2019-10-31 14:19:30,238 ERROR [main] o.s.boot.SpringApplication > [SpringApplication.java : 833] Application run failed > org.springframework.beans.factory.BeanDefinitionStoreException: Invalid > bean definition with name 'MhtUserAccountNavTableShardingStrategy' defined > in null: Could not resolve placeholder > 'Long.valueOf(asset_acct_id.substring(asset_acct_id.length() - 4, > asset_acct_id.length())) % 10' in value > "mht_user_acct_nav_${Long.valueOf(asset_acct_id.substring(asset_acct_id.length() > - 4, asset_acct_id.length())) % 10}"; nested exception is > java.lang.IllegalArgumentException: Could not resolve placeholder > 'Long.valueOf(asset_acct_id.substring(asset_acct_id.length() - 4, > asset_acct_id.length())) % 10' in value > "mht_user_acct_nav_${Long.valueOf(asset_acct_id.substring(asset_acct_id.length() > - 4, asset_acct_id.length())) % 10}" > at > org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties(PlaceholderConfigurerSupport.java:228) > at > org.springframework.context.support.PropertySourcesPlaceholderConfigurer.processProperties(PropertySourcesPlaceholderConfigurer.java:182) > at > org.springframework.context.support.PropertySourcesPlaceholderConfigurer.postProcessBeanFactory(PropertySourcesPlaceholderConfigurer.java:157) > at > org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:284) > at > org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:164) > at > org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:693) > at > org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) > at > org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) > at > org.springframework.boot.SpringApplication.refresh(SpringApplication.java:752) > at > org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:388) > at > org.springframework.boot.SpringApplication.run(SpringApplication.java:327) > at > org.springframework.boot.SpringApplication.run(SpringApplication.java:1246) > at > org.springframework.boot.SpringApplication.run(SpringApplication.java:1234) > at com.qiangungun.merchant.WebApplication.main(WebApplication.java:30) > > >
