How to configure connection to mysql ipv6 ？

[im-jinxinwang]

Please answer some questions before submitting your issue. Thanks!

Which version of XXL-JOB do you using?

xxl-job 2.4.0

Other information

I want to use ipv6 address to connect to mysql, how do I configure it?

kubectl get svc mysql 
mysql           ClusterIP   2001:db8:42:1::bdda   <none>        3306/TCP       44m

        - name: PARAMS
          value: "--spring.datasource.url=jdbc:mysql://mysql:3306/xxl_job?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&serverTimezone=Asia/Shanghai --spring.datasource.username=root --spring.datasource.password=root"

ERROR LOG:

10:09:07.819 logback [xxl-job, admin JobFailMonitorHelper] ERROR c.x.j.a.c.t.JobFailMonitorHelper - >>>>>>>>>>> xxl-job, job fail monitor thread error:{}
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 
### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
        at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:97)
        at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:439)
        at com.sun.proxy.$Proxy71.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$PlainMethodInvoker.invoke(MapperProxy.java:145)
        at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:86)
        at com.sun.proxy.$Proxy72.findFailJobLogIds(Unknown Source)
        at com.xxl.job.admin.core.thread.JobFailMonitorHelper$1.run(JobFailMonitorHelper.java:41)
        at java.lang.Thread.run(Thread.java:750)
Caused by: org.apache.ibatis.exceptions.PersistenceException: 
### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
### The error may exist in class path resource [mybatis-mapper/XxlJobLogMapper.xml]
### The error may involve com.xxl.job.admin.dao.XxlJobLogDao.findFailJobLogIds
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
        at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:153)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:145)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:425)
        ... 9 common frames omitted
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
        at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
        at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)
        at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)
        at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:337)
        at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:86)
        at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)
        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:151)
        ... 16 common frames omitted
Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
        at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
        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.ConnectionImpl.connectWithRetries(ConnectionImpl.java:894)
        at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:819)
        at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444)
        at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:237)
        at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
        at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
        at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364)
        at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
        at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476)
        at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561)
        at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
        at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
        at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
        at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
        at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
        ... 26 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

[im-jinxinwang]

I solved the ipv6 unreachable problem with this configuration, but if my cluster is dual stack, that means I can only selectively configure one, right?

apiVersion: apps/v1
kind: Deployment
metadata:
  name: xxl-job-admin
spec:
  progressDeadlineSeconds: 600
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: xxl-job-admin
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
    type: RollingUpdate
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: xxl-job-admin
    spec:
      containers:
      - env:
        - name: PARAMS
          value: '--spring.datasource.url=jdbc:mysql://address=(protocol=tcp)(host=2001:db8:42:1::bdda)(port=3306)/xxl_job?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&serverTimezone=Asia/Shanghai --spring.datasource.username=root --spring.datasource.password=root'
          #value: "--spring.datasource.url=jdbc:mysql://10.244.33.69:3306/xxl_job?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&serverTimezone=Asia/Shanghai --spring.datasource.username=root --spring.datasource.password=root"
        image: xuxueli/xxl-job-admin:2.4.0
        imagePullPolicy: Always
        name: xxl-job-admin
        ports:
        - containerPort: 8080
          protocol: TCP
        resources: {}
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30

[jingbio]

骚气的还发英文，这部阻碍我们解决问题的速度吗