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原创 TimestampedFileInputSplit cannot be used as a POJO type because not all fields are valid POJO fields

TimestampedFileInputSplit cannot be used as a POJO type because not all fields are valid POJO fields, and must be processed as GenericType.项目场景：flink-1.12.0版本提示：这里简述项目相关背景：转换算子测试问题描述：错误提示：TimestampedFileInputSplit cannot be used as a POJO type because

2021-01-03 15:02:12 3070

原创 docker运行neo4j图形数据库在浏览器登录出现 ServiceUnavailable: WebSocket connection failure. Due to sec报错解决办法，亲自测试有效

1.第一步[root@localhost conf]# docker search neo4jNAME DESCRIPTION STARS OFFICIAL AUTOMATEDneo4j Neo4j is a highly scalable, robust n...

2020-08-21 10:24:10 2027

原创 hadoop 启动journalnode/namenode Cannot set priority of journalnode process 4760

问题：无法设置journalnode/namenode进程4760的优先级解决方案：1.查看hadoop(logs)日志文件2.根据异常解决3.本人日志异常是8480端口被占用4.netstat -tunlp | grep 8480 查找该端口的进程ID5.kill -9 进程ID完美解决...

2021-01-27 18:59:00 5681

原创 org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Ljava/lang/String；I)Z

一、异常信息org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Ljava/lang/String;I)Z二、暂时解决方法在src/java org.apache.hadoop.io.nativeio.NativeIO 类修改返回值为true该方法为检查当前进程是否具有所需的访问权限给定的路径。/** Checks whether the current process has desired access rights on* th

2021-01-19 23:23:37 1360

原创 Datanode denied communication with namenode because the host is not in the include-list

一、Hadoop新加一个数据节点DataNodehdfs --daemon start datanode 启动数据节点后NameNode发现没有新的数据节点注册二、查看新数据节点日志内容如下：Datanode denied communication with namenode because the host is not in the include-list: DatanodeRegistration(192.168.1.105:9866, datanodeUuid=3f23a134-4134-

2021-01-19 17:35:06 1276

原创 win10配置hosts文件不生效（ping 不通）

一、win10配置hosts文件不生效（ping 不通）1.如下图，输入“zhi记事本”，在搜索结果中，鼠标右键单击“记事本”，选择“以管理员身份运行”：2.打开文件编辑文本（以下案例）3.文件另存为（路径：C:\Windows\System32\drivers\etc），注意下面编码为ANSI(windows的hosts文件只支持 ANSI编码，用其他编码（utf8/unicode等）是无效的)4.管理员权限打开cmd5.hosts修改后释放命令行：ipconfig/release6

2021-01-12 15:19:06 15574 7

原创 org.apache.ibatis.binding.BindingException: Invalid bound statement (not found)

@[TOC](org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.tedu.store.mapper.UserMapper.fingByUsernameat org.apache.ibatis.binding.MapperMethodSqlCommand.<init&...

2019-08-03 21:37:01 366

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