Comven opened a new issue #12002:
URL: https://github.com/apache/shardingsphere/issues/12002
shardingsphere-jdbc-core-spring-boot-starter-5.0.0-bata
ogistic table 'order_info' divided by month，format just like
'order_info_yyyyMM',
my application.properties configuration is as follows
```
##
spring.shardingsphere.datasource.names=db1
spring.shardingsphere.datasource.db1.jdbc-url=jdbc:mysql://localhost:3306/db1?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=false&reconnect=true&serverTimezone=Asia/Shanghai
spring.shardingsphere.datasource.db1.username=root
spring.shardingsphere.datasource.db1.password=
spring.shardingsphere.datasource.db1.type=com.zaxxer.hikari.HikariDataSource
spring.shardingsphere.datasource.db1.driver-class-name=com.mysql.cj.jdbc.Driver
#
spring.shardingsphere.props.sql-show=true
##
spring.shardingsphere.rules.sharding.tables.order_info.actual-data-nodes=db1.order_info_20$->{21...22}$->{[01,02,03,04,05,06,07.08,09,10,11,12]}
spring.shardingsphere.rules.sharding.tables.order_info.table-strategy.standard.sharding-column=add_time
spring.shardingsphere.rules.sharding.tables.order_info.table-strategy.standard.sharding-algorithm-name=tb_class_based
spring.shardingsphere.rules.sharding.sharding-algorithms.tb_class_based.type=CLASS_BASED
spring.shardingsphere.rules.sharding.sharding-algorithms.tb_class_based.props.strategy=standard
spring.shardingsphere.rules.sharding.sharding-algorithms.tb_class_based.props.algorithm-class-name=org.demo.shardingsphere.strategy.MonthsTableStrategyAlgorithm
```
The error reported by the startup program is as follows
```
Caused by: java.lang.NullPointerException: The props`strategy` cannot be
null when uses class based sharding strategy.
```
Details are as follows
```
[2021-08-25 17:46:43.110] [ERROR] [4388] - o.s.boot.SpringApplication
[ 843] : Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'testController': Unsatisfied dependency expressed
through field 'orderInfoDao'; nested exception is
org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'orderInfoDao' defined in file
[D:\WorkPlace\idea\shardingsphere-proj\sharding-5.x\target\classes\org\demo\shardingsphere\mapper\OrderInfoDao.class]:
Unsatisfied dependency expressed through bean property 'sqlSessionFactory';
nested exception is
org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'sqlSessionFactory' defined in class path resource
[org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]:
Unsatisfied dependency expressed through method 'sqlSessionFactory' parameter
0; nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'shardingSphereDataSource' defined in class path
resource
[org/apache/shardingsphere/spring/boot/ShardingSphereAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.sql.DataSource]: Factory method 'shardingSphereDataSource' threw
exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'shardingRuleConfiguration' defined in class path resource
[org/apache/shardingsphere/sharding/spring/boot/ShardingRuleSpringBootConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory method
'shardingRuleConfiguration' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'tb_class_based': Initialization of bean failed; nested e
xception is java.lang.NullPointerException: The props`strategy` cannot be null
when uses class based sharding strategy.
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:660)
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)
at
org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119)
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1413)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:601)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944)
at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
at
org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145)
at
org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at
org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:338)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1343)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1332)
at org.demo.shardingsphere.App.main(App.java:15)
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException:
Error creating bean with name 'orderInfoDao' defined in file
[D:\WorkPlace\idea\shardingsphere-proj\sharding-5.x\target\classes\org\demo\shardingsphere\mapper\OrderInfoDao.class]:
Unsatisfied dependency expressed through bean property 'sqlSessionFactory';
nested exception is
org.springframework.beans.factory.UnsatisfiedDependencyException: Error
creating bean with name 'sqlSessionFactory' defined in class path resource
[org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]:
Unsatisfied dependency expressed through method 'sqlSessionFactory' parameter
0; nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'shardingSphereDataSource' defined in class path
resource
[org/apache/shardingsphere/spring/boot/ShardingSphereAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanIn
stantiationException: Failed to instantiate [javax.sql.DataSource]: Factory
method 'shardingSphereDataSource' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'shardingRuleConfiguration' defined in class path resource
[org/apache/shardingsphere/sharding/spring/boot/ShardingRuleSpringBootConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory method
'shardingRuleConfiguration' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'tb_class_based': Initialization of bean failed; nested exception is
java.lang.NullPointerException: The props`strategy` cannot be null when uses
class based sharding strategy.
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1516)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1399)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:601)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1380)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1300)
at
org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:657)
... 20 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException:
Error creating bean with name 'sqlSessionFactory' defined in class path
resource
[org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]:
Unsatisfied dependency expressed through method 'sqlSessionFactory' parameter
0; nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'shardingSphereDataSource' defined in class path
resource
[org/apache/shardingsphere/spring/boot/ShardingSphereAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.sql.DataSource]: Factory method 'shardingSphereDataSource' threw
exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'shardingRuleConfiguration' defined in class path resource
[org/apache/shardingsphere/sharding/spring/boot/S
hardingRuleSpringBootConfiguration.class]: Bean instantiation via factory
method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory method
'shardingRuleConfiguration' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'tb_class_based': Initialization of bean failed; nested exception is
java.lang.NullPointerException: The props`strategy` cannot be null when uses
class based sharding strategy.
at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:541)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1334)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:564)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1380)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1300)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1501)
... 31 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'shardingSphereDataSource' defined in class path
resource
[org/apache/shardingsphere/spring/boot/ShardingSphereAutoConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[javax.sql.DataSource]: Factory method 'shardingSphereDataSource' threw
exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'shardingRuleConfiguration' defined in class path resource
[org/apache/shardingsphere/sharding/spring/boot/ShardingRuleSpringBootConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory method
'shardingRuleConfiguration' threw exception; nested exceptio
n is org.springframework.beans.factory.BeanCreationException: Error creating
bean with name 'tb_class_based': Initialization of bean failed; nested
exception is java.lang.NullPointerException: The props`strategy` cannot be null
when uses class based sharding strategy.
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1334)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:564)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1380)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1300)
at
org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887)
at
org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791)
... 44 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to
instantiate [javax.sql.DataSource]: Factory method 'shardingSphereDataSource'
threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'shardingRuleConfiguration' defined in class path resource
[org/apache/shardingsphere/sharding/spring/boot/ShardingRuleSpringBootConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory method
'shardingRuleConfiguration' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'tb_class_based': Initialization of bean failed; nested exception is
java.lang.NullPointerException: The props`strategy` cannot be null when uses
class based sharding strategy.
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
... 58 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'shardingRuleConfiguration' defined in class path
resource
[org/apache/shardingsphere/sharding/spring/boot/ShardingRuleSpringBootConfiguration.class]:
Bean instantiation via factory method failed; nested exception is
org.springframework.beans.BeanInstantiationException: Failed to instantiate
[org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory method
'shardingRuleConfiguration' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'tb_class_based': Initialization of bean failed; nested exception is
java.lang.NullPointerException: The props`strategy` cannot be null when uses
class based sharding strategy.
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1334)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:564)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1598)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1562)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1451)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1338)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory$DependencyObjectProvider.getIfAvailable(DefaultListableBeanFactory.java:2021)
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration.shardingSphereDataSource(ShardingSphereAutoConfiguration.java:72)
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration$$EnhancerBySpringCGLIB$$e3945da9.CGLIB$shardingSphereDataSource$0(<generated>)
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration$$EnhancerBySpringCGLIB$$e3945da9$$FastClassBySpringCGLIB$$45e9d415.invoke(<generated>)
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at
org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
at
org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration$$EnhancerBySpringCGLIB$$e3945da9.shardingSphereDataSource(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 59 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to
instantiate [org.apache.shardingsphere.infra.config.RuleConfiguration]: Factory
method 'shardingRuleConfiguration' threw exception; nested exception is
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'tb_class_based': Initialization of bean failed; nested exception is
java.lang.NullPointerException: The props`strategy` cannot be null when uses
class based sharding strategy.
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at
org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
... 85 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error
creating bean with name 'tb_class_based': Initialization of bean failed; nested
exception is java.lang.NullPointerException: The props`strategy` cannot be null
when uses class based sharding strategy.
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:610)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at
org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.addCandidateEntry(DefaultListableBeanFactory.java:1598)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1562)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveMultipleBeans(DefaultListableBeanFactory.java:1481)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1338)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory$DependencyObjectProvider.getIfAvailable(DefaultListableBeanFactory.java:2021)
at
org.apache.shardingsphere.sharding.spring.boot.ShardingRuleSpringBootConfiguration.shardingRuleConfiguration(ShardingRuleSpringBootConfiguration.java:67)
at
org.apache.shardingsphere.sharding.spring.boot.ShardingRuleSpringBootConfiguration$$EnhancerBySpringCGLIB$$19712a0e.CGLIB$shardingRuleConfiguration$0(<generated>)
at
org.apache.shardingsphere.sharding.spring.boot.ShardingRuleSpringBootConfiguration$$EnhancerBySpringCGLIB$$19712a0e$$FastClassBySpringCGLIB$$a8865c46.invoke(<generated>)
at
org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at
org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
at
org.apache.shardingsphere.sharding.spring.boot.ShardingRuleSpringBootConfiguration$$EnhancerBySpringCGLIB$$19712a0e.shardingRuleConfiguration(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 86 common frames omitted
Caused by: java.lang.NullPointerException: The props`strategy` cannot be
null when uses class based sharding strategy.
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:989)
at
org.apache.shardingsphere.sharding.algorithm.sharding.classbased.ClassBasedShardingAlgorithm.init(ClassBasedShardingAlgorithm.java:62)
at
org.apache.shardingsphere.spring.boot.registry.AbstractAlgorithmProvidedBeanRegistry.postProcessAfterInitialization(AbstractAlgorithmProvidedBeanRegistry.java:100)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:437)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602)
... 108 common frames omitted
```
What's wrong with the configuration ? Has anyone experienced the same
problem?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
