Hive ClassCastException 问题描述 创建表后插入数据 报错 java.lang.ClassCastException: org.apache.hadoop.io.Text cannot be cast to org.apache.hadoop.hive.serde2.io.ParquetHiveRecord at org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.w...
Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set。 2021-08-15最新的spring boot，JPA+mysql，出现这个错误：
Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set...
一、问题背景 启动两个微服务，一个是Eureka server注册中心，另外一个是 Eureka client客户端 过了一段时间，打开注册中心网页时，界面上显示了红色粗体警告信息 即 EMERGENCY! EUREKA MAY BE INCORRECTLY CLAIMING INSTANCES ARE UP WHEN THEY...
**前言 由于原来的云服务器到期，需要在新的云服务器上部署kafka,但按照以往的配置确无法连接。 ** 解决云服务器上部署的kafka无法连接问题 错误信息： Connection to node -1 (/180.76.56.208:9092) could not be established. Broker may not be available. 1...
Hadoop上传文件报错： operation.java.net.NoRouteToHostException: 没有到主机的路由 报错：put: File /input.COPYING could only be replicated to 0 nodes instead of minReplication (=1). There are 2 datanode(s) running and 2 node(s) are excluded...
成功解决：Driver class ‘net.sourceforge.jtds.jdbc.Driver’ could not be found, make sure the ‘MS SQL Server’ driver (jar file) is installed. 文章目录 报错问题问题解答解决办法 报错问题 错误连接数据库 : org.pentaho.di.core.exception.KettleDatabase...
问题描述 在运用JDBC连接数据库时，用的是C3P0数据源，出现Connections could not be acquired from the underlying database!这个异常 话不多说，先上代码 public class C3P0Test { @Test //测试JDBC模板 public void test1() throws PropertyVetoEx...
一、错误描述 ? ? 最近使用 SpringBoot? 2.2.11.RELEASE 配合 Feign 开发是出现如下错误： org.springframework.beans.factory.support.BeanDefinitionOverrideException: Invalid bean definition with name 'XXX.FeignClientSpecification' defined in null...
报错日志? ? Connection to node 0 could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient) Connection to node 1 (localhost/127.0.0.1:9092) could not be established. Broker may not be available. 问题描述 服务器已经开通...
