GLBB opened a new issue #9786:
URL: https://github.com/apache/shardingsphere/issues/9786
## Bug Report
### Which version of ShardingSphere did you use?
shardingsphere-proxy-5.0.0 alpha
Mysql 8.0.22
SpringBoot 2.4.4
mybatis-spring 2.1.4
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
shardingsphere-proxy
### Expected behavior
execute code example
examples/shardingsphere-proxy-example/shardingsphere-proxy-boot-mybatis-example,
when selectAll, occur ArrayIndexOutOfBoundsException, expect return all
record. in addition, insert is as expect.
### Actual behavior
```
org.springframework.dao.TransientDataAccessResourceException:
### Error querying database. Cause: java.sql.SQLException:
java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
### The error may exist in mybatis/mapper/OrderMapper.xml
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL: SELECT * FROM t_order;
### Cause: java.sql.SQLException: java.lang.ArrayIndexOutOfBoundsException:
Index 1 out of bounds for length 1
; java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length
1; nested exception is java.sql.SQLException:
java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
at
org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:110)
at
org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:70)
at
org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:79)
at
org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:79)
at
org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:91)
at
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:441)
at com.sun.proxy.$Proxy52.selectList(Unknown Source)
at
org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:224)
at
org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:147)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:80)
at
org.apache.ibatis.binding.MapperProxy$PlainMethodInvoker.invoke(MapperProxy.java:152)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:85)
at com.sun.proxy.$Proxy57.selectAll(Unknown Source)
at
cn.gl.shardingproxydemo2.mapper.OrderMapperTest.testOrderMapper(OrderMapperTest.java:36)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)
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$6(TestMethodTestDescriptor.java:210)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:206)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:131)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:65)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at
org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at
org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at
org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:108)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
at
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96)
at
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75)
at
com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71)
at
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:220)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:53)
Caused by: java.sql.SQLException: java.lang.ArrayIndexOutOfBoundsException:
Index 1 out of bounds for length 1
at
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129)
at
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
at
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
at
com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
at
com.mysql.cj.jdbc.ServerPreparedStatement.executeInternal(ServerPreparedStatement.java:441)
at
com.mysql.cj.jdbc.ClientPreparedStatement.execute(ClientPreparedStatement.java:370)
at
com.zaxxer.hikari.pool.ProxyPreparedStatement.execute(ProxyPreparedStatement.java:44)
at
com.zaxxer.hikari.pool.HikariProxyPreparedStatement.execute(HikariProxyPreparedStatement.java)
at
org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64)
at
org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79)
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
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:89)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:427)
... 73 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds
for length 1
at
com.mysql.cj.protocol.a.MergingColumnDefinitionFactory.createFromFields(MergingColumnDefinitionFactory.java:61)
at
com.mysql.cj.protocol.a.ColumnDefinitionReader.read(ColumnDefinitionReader.java:80)
at
com.mysql.cj.protocol.a.ColumnDefinitionReader.read(ColumnDefinitionReader.java:40)
at com.mysql.cj.protocol.a.NativeProtocol.read(NativeProtocol.java:1583)
at
com.mysql.cj.protocol.a.BinaryResultsetReader.read(BinaryResultsetReader.java:70)
at
com.mysql.cj.protocol.a.BinaryResultsetReader.read(BinaryResultsetReader.java:50)
at com.mysql.cj.protocol.a.NativeProtocol.read(NativeProtocol.java:1596)
at
com.mysql.cj.protocol.a.NativeProtocol.readAllResults(NativeProtocol.java:1650)
at
com.mysql.cj.ServerPreparedQuery.readExecuteResult(ServerPreparedQuery.java:389)
at
com.mysql.cj.ServerPreparedQuery.serverExecute(ServerPreparedQuery.java:208)
at
com.mysql.cj.jdbc.ServerPreparedStatement.serverExecute(ServerPreparedStatement.java:635)
at
com.mysql.cj.jdbc.ServerPreparedStatement.executeInternal(ServerPreparedStatement.java:418)
... 90 more
```
### Reason analyze (If you can)
guess sharding proxy return column meta info has problem.
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
sharding rule as
examples/shardingsphere-proxy-example/shardingsphere-proxy-boot-mybatis-example/src/main/resources/conf/config-sharding.yaml
server config:
examples/shardingsphere-proxy-example/shardingsphere-proxy-boot-mybatis-example/src/main/resources/conf/server.yaml
```
<select id="selectAll" resultMap="baseResultMap">
SELECT * FROM t_order;
</select>
```
### Example codes for reproduce this issue (such as a github link).
https://github.com/GLBB/sharding-proxy-demo
I wanner analyse this problem, but encounter difficulties, I don't known how
to in idea debug proxy code, anyone can help me?
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