查询数据时mybatisplus报错如下
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.executor.ExecutorException: Error preparing statement. Cause: java.lang.NullPointerException
使用环境：
shardingsphere-jdbc 5.2.0
mybatis-plus 3.4.3
spring-boot 2.5.0
MGR集群
场景、问题：
查询数据报错
配置文件
databaseName: database_discovery_db
props:
sql:
show: true
dataSources:
ds_0:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://10.0.0.92:3306/dbtest?characterEncoding=utf-8&serverTimezone=UTC
username: root
password: 123456
connectionTimeoutMilliseconds: 3000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 50
minPoolSize: 1
ds_1:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://10.0.0.93:3306/dbtest?characterEncoding=utf-8&serverTimezone=UTC
username: root
password: 123456
connectionTimeoutMilliseconds: 3000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 50
minPoolSize: 1
ds_2:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://10.0.0.94:3306/dbtest?characterEncoding=utf-8&serverTimezone=UTC
username: root
password: 123456
connectionTimeoutMilliseconds: 3000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 50
minPoolSize: 1
rules:
dataSources:
replica_ds:
dynamicStrategy:
autoAwareDataSourceName: readwrite_ds
readwrite_ds:
dataSourceNames:
- ds_0
- ds_1
- ds_2
discoveryHeartbeatName: mgr_heartbeat
discoveryTypeName: mgr
discoveryHeartbeats:
mgr_heartbeat:
props:
keep-alive-cron: '0/5 * * * * ?'
discoveryTypes:
mgr:
type: MySQL.MGR
props:
group-name: aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
测试查询代码
