FlinkRuntimeException: Cannot read the binlog filename and position via ‘SHOW MASTER STATUS‘. Make s

执行flinkcdc 报错

错误明细:


io.debezium.DebeziumException: org.apache.flink.util.FlinkRuntimeException: Cannot read the binlog filename and position via 'SHOW MASTER STATUS'. Make sure your server is correctly configured
	at com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:120)
	at com.ververica.cdc.connectors.mysql.debezium.reader.SnapshotSplitReader.lambda$submitSplit$0(SnapshotSplitReader.java:130)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	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)
Caused by: org.apache.flink.util.FlinkRuntimeException: Cannot read the binlog filename and position via 'SHOW MASTER STATUS'. Make sure your server is correctly configured
	at com.ververica.cdc.connectors.mysql.debezium.DebeziumUtils.currentBinlogOffset(DebeziumUtils.java:130)
	at com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.doExecute(MySqlSnapshotSplitReadTask.java:143)
	at com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:115)
	... 7 common frames omitted
Caused by: java.sql.SQLSyntaxErrorException: Access denied; you need (at least one of) the SUPER, REPLICATION CLIENT privilege(s) for this operation
	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
	at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1202)
	at io.debezium.jdbc.JdbcConnection.queryAndMap(JdbcConnection.java:648)
	at io.debezium.jdbc.JdbcConnection.queryAndMap(JdbcConnection.java:517)
	at com.ververica.cdc.connectors.mysql.debezium.DebeziumUtils.currentBinlogOffset(DebeziumUtils.java:110)
	... 9 common frames omitted

java.lang.RuntimeException: SplitFetcher thread 0 received unexpected exception while polling the records
	at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:150)
	at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.run(SplitFetcher.java:105)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.flink.util.FlinkRuntimeException: Read split MySqlSnapshotSplit{tableId=jobslink_missions.jk_person_mission, splitId='jobslink_missions.jk_person_mission:0', splitKeyType=[`id` BIGINT NOT NULL], splitStart=null, splitEnd=null, highWatermark=null} error due to org.apache.flink.util.FlinkRuntimeException: Cannot read the binlog filename and position via 'SHOW MASTER STATUS'. Make sure your server is correctly configured.
	at com.ververica.cdc.connectors.mysql.debezium.reader.SnapshotSplitReader.checkReadException(SnapshotSplitReader.java:306)
	at com.ververica.cdc.connectors.mysql.debezium.reader.SnapshotSplitReader.pollSplitRecords(SnapshotSplitReader.java:253)
	at com.ververica.cdc.connectors.mysql.source.reader.MySqlSplitReader.fetch(MySqlSplitReader.java:76)
	at org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:58)
	at org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:142)
	... 7 common frames omitted
Caused by: io.debezium.DebeziumException: org.apache.flink.util.FlinkRuntimeException: Cannot read the binlog filename and position via 'SHOW MASTER STATUS'. Make sure your server is correctly configured
	at com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:120)
	at com.ververica.cdc.connectors.mysql.debezium.reader.SnapshotSplitReader.lambda$submitSplit$0(SnapshotSplitReader.java:130)
	... 6 common frames omitted
Caused by: org.apache.flink.util.FlinkRuntimeException: Cannot read the binlog filename and position via 'SHOW MASTER STATUS'. Make sure your server is correctly configured
	at com.ververica.cdc.connectors.mysql.debezium.DebeziumUtils.currentBinlogOffset(DebeziumUtils.java:130)
	at com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.doExecute(MySqlSnapshotSplitReadTask.java:143)
	at com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.execute(MySqlSnapshotSplitReadTask.java:115)
	... 7 common frames omitted
Caused by: java.sql.SQLSyntaxErrorException: Access denied; you need (at least one of) the SUPER, REPLICATION CLIENT privilege(s) for this operation
	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
	at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1202)
	at io.debezium.jdbc.JdbcConnection.queryAndMap(JdbcConnection.java:648)
	at io.debezium.jdbc.JdbcConnection.queryAndMap(JdbcConnection.java:517)
	at com.ververica.cdc.connectors.mysql.debezium.DebeziumUtils.currentBinlogOffset(DebeziumUtils.java:110)
	... 9 common frames omitted

权限不够呗:

查看官网文档: https://ververica.github.io/flink-cdc-connectors/master/content/about.html

  • 创建 MySQL 用户:

 CREATE USER 'user'@'localhost' IDENTIFIED BY 'password';
  • 向用户授予所需的权限:

GRANT SELECT, SHOW DATABASES, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'user' IDENTIFIED BY 'password';
 GRANT update, insert, delete, select , SHOW DATABASES, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'user';

(上面两条二选一用就可以。具体差别不详细说了)

注意: 在 scan.incremental.snapshot.enabled 参数已启用时(默认情况下已启用)时,不再需要授予 reload 权限。

  • 刷新用户权限:

FLUSH PRIVILEGES;

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