zhao190775705 commented on issue #14580:
URL:
https://github.com/apache/shardingsphere/issues/14580#issuecomment-1008616824
1. sharding config version 5.0.0
`
spring.shardingsphere.mode.type=Memory
spring.shardingsphere.datasource.names=ds
spring.shardingsphere.datasource.ds.type=com.alibaba.druid.pool.DruidDataSource
spring.shardingsphere.datasource.ds.driver-class-name=com.mysql.cj.jdbc.Driver
spring.shardingsphere.datasource.ds.url=jdbc:mysql://localhost:3306/easybii_prod?characterEncoding=utf8&useSSL=false
spring.shardingsphere.datasource.ds.username=root
spring.shardingsphere.datasource.ds.password=123456
spring.shardingsphere.rules.sharding.tables.user1.actual-data-nodes=ds.user1_$->{0..1}
spring.shardingsphere.rules.sharding.tables.user1.table-strategy.standard.sharding-column=id
spring.shardingsphere.rules.sharding.tables.user1.table-strategy.standard.sharding-algorithm-name=t-order-inline
spring.shardingsphere.rules.sharding.tables.user1.key-generate-strategy.column=id
spring.shardingsphere.rules.sharding.tables.user1.key-generate-strategy.key-generator-name=snowflake
`
2. mybatis config
`<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd";>
<mapper namespace="com.example.shardingdemo.mapper.Test1Mapper">
<insert id="insertList" parameterType="list" useGeneratedKeys="true"
keyProperty="id">
insert into test1(id, name)
values
<foreach collection="list" item="item" index="index" separator=",">
<trim prefix="(" suffix=")" suffixOverrides=",">
#{item.id,jdbcType=INTEGER}, #{item.name,jdbcType=VARCHAR}
</trim>
</foreach>
</insert>
</mapper>`
3. sql
`insert into test1(id, name) values ( ?, ? )`
4. error
`org.mybatis.spring.MyBatisSystemException: nested exception is
org.apache.ibatis.executor.ExecutorException: Error getting generated key or
setting result to parameter object. Cause:
org.apache.ibatis.executor.result.ResultMapException: Error attempting to get
column #1 from result set. Cause: java.lang.NullPointerException: ResultSet
should call next or has no more data.
at
org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:92)
at
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:440)
at com.sun.proxy.$Proxy202.insert(Unknown Source)
at
org.mybatis.spring.SqlSessionTemplate.insert(SqlSessionTemplate.java:271)
at
com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:60)
at
com.baomidou.mybatisplus.core.override.MybatisMapperProxy$PlainMethodInvoker.invoke(MybatisMapperProxy.java:148)
at
com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:89)
at com.sun.proxy.$Proxy203.insertList(Unknown Source)
at
com.example.shardingdemo.ShardingDemoApplicationTests.contextLoads(ShardingDemoApplicationTests.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725)
at
org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at
org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
at
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
at
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
at
org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
at
org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
at
org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
at
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
at
org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at
org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
at
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)
at
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)
at
org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)
at
org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:53)
at
com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71)
at
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)
Caused by: org.apache.ibatis.executor.ExecutorException: Error getting
generated key or setting result to parameter object. Cause:
org.apache.ibatis.executor.result.ResultMapException: Error attempting to get
column #1 from result set. Cause: java.lang.NullPointerException: ResultSet
should call next or has no more data.
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator.processBatch(Jdbc3KeyGenerator.java:88)
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator.processAfter(Jdbc3KeyGenerator.java:71)
at
org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:51)
at
org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63)
at com.sun.proxy.$Proxy230.update(Unknown Source)
at
com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.doUpdate(MybatisSimpleExecutor.java:56)
at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)
at
com.baomidou.mybatisplus.core.executor.MybatisCachingExecutor.update(MybatisCachingExecutor.java:85)
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.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)
at
com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor.intercept(MybatisPlusInterceptor.java:83)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)
at com.sun.proxy.$Proxy229.update(Unknown Source)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:197)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:184)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)
... 74 more
Caused by: org.apache.ibatis.executor.result.ResultMapException: Error
attempting to get column #1 from result set. Cause:
java.lang.NullPointerException: ResultSet should call next or has no more data.
at
org.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java:96)
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator$KeyAssigner.assign(Jdbc3KeyGenerator.java:275)
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator.lambda$assignKeysToParamMap$3(Jdbc3KeyGenerator.java:170)
at java.util.ArrayList.forEach(ArrayList.java:1259)
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator.assignKeysToParamMap(Jdbc3KeyGenerator.java:170)
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator.assignKeys(Jdbc3KeyGenerator.java:97)
at
org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator.processBatch(Jdbc3KeyGenerator.java:85)
... 101 more
Caused by: java.lang.NullPointerException: ResultSet should call next or has
no more data.
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:897)
at
org.apache.shardingsphere.driver.jdbc.core.resultset.GeneratedKeysResultSet.checkStateForGetData(GeneratedKeysResultSet.java:243)
at
org.apache.shardingsphere.driver.jdbc.core.resultset.GeneratedKeysResultSet.getInt(GeneratedKeysResultSet.java:131)
at
org.apache.ibatis.type.IntegerTypeHandler.getNullableResult(IntegerTypeHandler.java:44)
at
org.apache.ibatis.type.IntegerTypeHandler.getNullableResult(IntegerTypeHandler.java:26)
at
org.apache.ibatis.type.BaseTypeHandler.getResult(BaseTypeHandler.java:94)
... 107 more`
Normal,mybatis is configured like this to return the id value of the
parameter
project-demo https://github.com/zhao190775705/sharding-demo
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