• 一，flink集群启动失败。
  • 二，UnsupportedFileSystemSchemeException: Hadoop is not in the classpath/dependencies.
  • 三，javademo错误
  • 四，flink wordcount没有输出
  • 五，Hadoop is not in the classpath/dependencies.
  • 六，结果写入hdfs报错
  • 七，命令行提交per job报错
  • 八，运行滚动窗口demo报错
  • 九，使用flink sql时报错
  • 十，使用flink sql报错
  • 十一，BroadcastStream做多流合并时报空指针异常
  • 十二，flink 用https连接es报错
  • 十三，设置时间窗口后不起作用
  • 十四，flink作业异常
  • 十五，scala.Predef$.refArrayOps
  • 十六 Provider org.apache.flink.connector.jdbc.catalog.factory.JdbcCatalogFactory not a subtype
  • 十六，flink socket 流转换空指针异常
  • 十七，设置watermark没有触发执行
  • 十八，Could not forward element to next operator
  • 十九：standalone集群起不来，任务提交不上
  • 二十，flinck-cdc Connected to node3:3306 at mysql-bin.000003/154 (sid:6303, cid:103)
  • 二十一，java.sql.SQLException: The connection property 'zeroDateTimeBehavior' only accepts values of the form: 'exception', 'round' or 'convertToNull'. The value 'CONVERT_TO_NULL' is not in this set.
  • 二十二，flinkc-cdc读不到binlog日志
  • 二十三，idea调试flink，启动后卡住不动
  • 二十四，Flink 解决 No ExecutorFactory found to execute the application
  • 二十五，'connector.type' expects 'filesystem', but is 'kafka'
  • 二十六 Could not find required property 'connector.properties.bootstrap.servers'
  • 二十七， The rowtime attribute can only replace a field with a valid time type, such as Timestamp or Long.
  • 二十八，Caused by: java.lang.NullPointerException
  • 二十九，but this is no longer available on the server. Reconfigure the connector to use a snapshot when needed
  • 三十， Could not complete snapshot 1 for operator Sink: kafka-sink (1/4)#0. Failure reason: Checkpoint was declined.
  • 三十一， flinkcdc读取mysql，控制台一直打印下面日志，读不出日志
  • 三十二，standalone模式下提交job报错
  • 三十三，flink yarn-session模式下提交job失败
  • 三十四，mysql开启binlog无效