yijuanmao opened a new issue, #37300:
URL: https://github.com/apache/shardingsphere/issues/37300
In a custom sharding algorithm, the specified bean object cannot be obtained
through springUtil, Caused by: java.lang.NullPointerException: null
<properties>
<fenmi.version>1.0.0</fenmi.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<sharding-jdbc.version>4.1.1</sharding-jdbc.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-spring-boot-starter</artifactId>
<version>${sharding-jdbc.version}</version>
</dependency>
<!-- SpringBoot的依赖配置-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>2.2.13.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
### Cause: java.lang.NullPointerException
at
org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:149)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)
... 136 common frames omitted
Caused by: java.lang.NullPointerException: null
at com.rtx.common.utils.spring.SpringUtils.getBean(SpringUtils.java:64)
at
com.rtx.framework.config.shardingjdbc.DateRangeShardingAlgorithm.doSharding(DateRangeShardingAlgorithm.java:36)
at
org.apache.shardingsphere.core.strategy.route.standard.StandardShardingStrategy.doSharding(StandardShardingStrategy.java:78)
at
org.apache.shardingsphere.core.strategy.route.standard.StandardShardingStrategy.doSharding(StandardShardingStrategy.java:59)
at
org.apache.shardingsphere.sharding.route.engine.type.standard.ShardingStandardRoutingEngine.routeTables(ShardingStandardRoutingEngine.java:214)
at
org.apache.shardingsphere.sharding.route.engine.type.standard.ShardingStandardRoutingEngine.route0(ShardingStandardRoutingEngine.java:195)
at
org.apache.shardingsphere.sharding.route.engine.type.standard.ShardingStandardRoutingEngine.routeByShardingConditionsWithCondition(ShardingStandardRoutingEngine.java:121)
at
org.apache.shardingsphere.sharding.route.engine.type.standard.ShardingStandardRoutingEngine.routeByShardingConditions(ShardingStandardRoutingEngine.java:115)
at
org.apache.shardingsphere.sharding.route.engine.type.standard.ShardingStandardRoutingEngine.getDataNodes(ShardingStandardRoutingEngine.java:96)
at
org.apache.shardingsphere.sharding.route.engine.type.standard.ShardingStandardRoutingEngine.route(ShardingStandardRoutingEngine.java:74)
at
org.apache.shardingsphere.sharding.route.engine.ShardingRouteDecorator.decorate(ShardingRouteDecorator.java:69)
at
org.apache.shardingsphere.sharding.route.engine.ShardingRouteDecorator.decorate(ShardingRouteDecorator.java:53)
at
org.apache.shardingsphere.underlying.route.DataNodeRouter.executeRoute(DataNodeRouter.java:91)
at
org.apache.shardingsphere.underlying.route.DataNodeRouter.route(DataNodeRouter.java:76)
at
org.apache.shardingsphere.underlying.pluggble.prepare.PreparedQueryPrepareEngine.route(PreparedQueryPrepareEngine.java:54)
at
org.apache.shardingsphere.underlying.pluggble.prepare.BasePrepareEngine.executeRoute(BasePrepareEngine.java:96)
at
org.apache.shardingsphere.underlying.pluggble.prepare.BasePrepareEngine.prepare(BasePrepareEngine.java:83)
at
org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.prepare(ShardingPreparedStatement.java:183)
at
org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.execute(ShardingPreparedStatement.java:143)
at
org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64)
at
org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79)
at sun.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63)
at com.sun.proxy.$Proxy198.query(Unknown Source)
at
org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63)
at
org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:325)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)
at
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)
at
com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor.intercept(MybatisPlusInterceptor.java:81)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)
at com.sun.proxy.$Proxy197.query(Unknown Source)
at
com.github.pagehelper.util.ExecutorUtil.executeAutoCount(ExecutorUtil.java:166)
at com.github.pagehelper.PageInterceptor.count(PageInterceptor.java:157)
at
com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:100)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)
at com.sun.proxy.$Proxy197.query(Unknown Source)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
... 141 common frames omitted
@Component
public final class SpringUtils implements BeanFactoryPostProcessor,
ApplicationEventPublisherAware
, ApplicationContextAware {
/**
* Spring应用上下文环境
*/
private static ConfigurableListableBeanFactory beanFactory;
private static ApplicationContext applicationContext;
private static ApplicationEventPublisher publisher;
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory
beanFactory) throws BeansException {
SpringUtils.beanFactory = beanFactory;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext)
throws BeansException {
SpringUtils.applicationContext = applicationContext;
}
/**
* 获取对象
*
* @param name
* @return Object 一个以所给名字注册的bean的实例
* @throws org.springframework.beans.BeansException
*/
@SuppressWarnings("unchecked")
public static <T> T getBean(String name) throws BeansException {
return (T) beanFactory.getBean(name);
}
/**
* 获取类型为requiredType的对象
*
* @param clz
* @return
* @throws org.springframework.beans.BeansException
*/
public static <T> T getBean(Class<T> clz) throws BeansException {
T result = (T) beanFactory.getBean(clz);
return result;
}
}
<img width="1489" height="899" alt="Image"
src="https://github.com/user-attachments/assets/0555a680-3771-4163-a9a3-7bdf9492d674";
/>
<img width="1249" height="801" alt="Image"
src="https://github.com/user-attachments/assets/fe8f3f66-8779-4a02-a063-785c6f1424bc";
/>
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