lwtdev opened a new issue #7548:
URL: https://github.com/apache/shardingsphere/issues/7548
## Throw NPE at ExecutionContextBuilder.getPrimaryKeyColumns when execute sql
### Which version of ShardingSphere did you use?
5.0.0-RC1-SNAPSHOT
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
### Actual behavior
```sql
mysql> select * from customer where id = 3;
ERROR 10002 (C1000): 2Unknown exception: [null]
```
log
```
java.lang.NullPointerException: null
at
org.apache.shardingsphere.infra.executor.sql.context.ExecutionContextBuilder.getPrimaryKeyColumns(ExecutionContextBuilder.java:129)
at
org.apache.shardingsphere.infra.executor.sql.context.ExecutionContextBuilder.getSQLRuntimeContext(ExecutionContextBuilder.java:81)
at
org.apache.shardingsphere.infra.executor.sql.context.ExecutionContextBuilder.build(ExecutionContextBuilder.java:71)
at
org.apache.shardingsphere.infra.executor.sql.context.ExecutionContextBuilder.build(ExecutionContextBuilder.java:57)
at
org.apache.shardingsphere.infra.context.kernel.KernelProcessor.generateExecutionContext(KernelProcessor.java:53)
at
org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.execute(JDBCDatabaseCommunicationEngine.java:67)
at
org.apache.shardingsphere.proxy.backend.text.query.QueryBackendHandler.execute(QueryBackendHandler.java:64)
at
org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:62)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:100)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:76)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
- prepare sql
```sql
create database spsqltest_sharding_00;
create database spsqltest_sharding_01;
```
- ```config-test.yaml```
```yaml
schemaName: test
#
dataSourceCommon:
username: root
password: root135
connectionTimeoutMilliseconds: 30000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 50
minPoolSize: 1
maintenanceIntervalMilliseconds: 30000
#
dataSources:
ds_00:
url:
jdbc:mysql://127.0.0.1:3306/spsqltest_sharding_00?serverTimezone=UTC&useSSL=false
ds_01:
url:
jdbc:mysql://127.0.0.1:3306/spsqltest_sharding_01?serverTimezone=UTC&useSSL=false
#
rules:
- !SHARDING
tables:
customer:
actualDataNodes: ds_00.customer_000${0..1},ds_01.customer_000${2..3}
databaseStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: database_inline
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: customer_inline
customer_email:
actualDataNodes:
ds_00.customer_email_000${0..1},ds_01.customer_email_000${2..3}
databaseStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: database_inline
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: customer_email_inline
bindingTables:
- customer,customer_email
defaultDatabaseStrategy:
none:
defaultTableStrategy:
none:
shardingAlgorithms:
database_inline:
type: INLINE
props:
algorithm-expression: ds_0${id % 2}
customer_inline:
type: INLINE
props:
algorithm-expression: customer_000${id % 4}
customer_email_inline:
type: INLINE
props:
algorithm-expression: customer_email_000${id % 4}
```
- execute sql
```sql
select * from customer where id = 3;
```
### Example codes for reproduce this issue (such as a github link).
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