valleyG opened a new issue #12501:
URL: https://github.com/apache/shardingsphere/issues/12501
## Bug Report
`Cause: java.lang.NullPointerException
at
org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
~[mybatis-3.5.1.jar:3.5.1]
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:149)
~[mybatis-3.5.1.jar:3.5.1]
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
~[mybatis-3.5.1.jar:3.5.1]
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)
~[mybatis-3.5.1.jar:3.5.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_212]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[na:1.8.0_212]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_212]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_212]
at
org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)
~[mybatis-spring-2.0.1.jar:2.0.1]
... 108 common frames omitted
Caused by: java.lang.NullPointerException: null
at
org.apache.shardingsphere.sharding.merge.dql.groupby.GroupByMemoryMergedResult.getValueCaseSensitiveFromTables(GroupByMemoryMergedResult.java:132)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.groupby.GroupByMemoryMergedResult.getValueCaseSensitive(GroupByMemoryMergedResult.java:122)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.groupby.GroupByMemoryMergedResult.init(GroupByMemoryMergedResult.java:72)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.groupby.GroupByMemoryMergedResult.init(GroupByMemoryMergedResult.java:52)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.infra.merge.result.impl.memory.MemoryMergedResult.<init>(MemoryMergedResult.java:51)
~[shardingsphere-infra-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.groupby.GroupByMemoryMergedResult.<init>(GroupByMemoryMergedResult.java:55)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.ShardingDQLResultMerger.getGroupByMergedResult(ShardingDQLResultMerger.java:108)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.ShardingDQLResultMerger.build(ShardingDQLResultMerger.java:78)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.sharding.merge.dql.ShardingDQLResultMerger.merge(ShardingDQLResultMerger.java:63)
~[shardingsphere-sharding-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.infra.merge.MergeEngine.executeMerge(MergeEngine.java:87)
~[shardingsphere-infra-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.infra.merge.MergeEngine.merge(MergeEngine.java:77)
~[shardingsphere-infra-merge-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.driver.jdbc.core.statement.ShardingSpherePreparedStatement.mergeQuery(ShardingSpherePreparedStatement.java:283)
~[shardingsphere-jdbc-core-5.0.0-alpha.jar:5.0.0-alpha]
at
org.apache.shardingsphere.driver.jdbc.core.statement.ShardingSpherePreparedStatement.getResultSet(ShardingSpherePreparedStatement.java:232)
~[shardingsphere-jdbc-core-5.0.0-alpha.jar:5.0.0-alpha]`
Before report a bug, make sure you have:
- Searched open and closed [GitHub
issues](https://github.com/apache/shardingsphere/issues).
- Read documentation: [ShardingSphere
Doc](https://shardingsphere.apache.org/document/current/en/overview).
Please pay attention on issues you submitted, because we maybe need more
details.
If no response anymore and we cannot reproduce it on current information, we
will **close it**.
Please answer these questions before submitting your issue. Thanks!
### Which version of ShardingSphere did you use?
5.0.0-alpha
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
### Actual behavior
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
select count(1) as number from user_info a left join broadcast_table b on
a.name =b.name where a.id = ?
### Example codes for reproduce this issue (such as a github link).
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