WYRM

1、FlinkSQL读取和hive数据发生字段不存在创建一个hive表，先插入一条数据，然后再修改表增加一个update_time字段，再用FlinkSQL查询就会报update_time, 字段不存在。2、异常报错如下+--------------------------------+-------------+-------------------------------+| name | age |

import org.apache.flink.api.common.functions.MapFunction;import org.apache.flink.api.java.tuple.Tuple;import org.apache.flink.api.java.tuple.Tuple2;import org.apache.flink.streaming.api.datastream....

import org.apache.flink.api.java.functions.KeySelector;import org.apache.flink.api.java.tuple.Tuple;import org.apache.flink.api.java.tuple.Tuple2;import org.apache.flink.configuration.Configuration...

<dependency> <groupId>org.apache.hadoop</groupId> <artifactId>hadoop-common</artifactId> <version>2.7.5</version>

1、创建配置文件apollo官网示例显示java api使用配置文件方式如下：配置文件内容： app.id=java-apollo-test-20190724 apollo.meta=http://apollo-server:10080 apollo.cacheDir=./cache2、示例代码public class StreamingJo...

1、复制flink opt目录下的flink-queryable-state-runtime_2.11-1.9.0.jar包到lib目录2、修改配conf/flink-conf.yaml配置文件添加如下配置# queryable-statequeryable-state.enable: true3、提交如下代码示例public class WordCount { ...