报错信息如下: The node /hbase is not in ZooKeeper. It should have been written by the master. Check the value configured in 'zookeeper.znode.parent'. There could be a mismatch with the one configured in the master. 经过调试,发现是自己的URL写错了:jdbc:phoenix:hdp03:/hba…

在eclipse中连接到HBase报错org.apache.hadoop.hbase.PleaseHoldException: Master is initializing,搜索了好久,网上其它人说的解决办法对我都没用: - 做时间同步 - hbase-site.xml中参数hbase.rootdir使用hdfs协议 - 关闭防火墙 最终,参考这个论坛帖子:http://www.aboutyun.com/thread-20600-1-1.html(Hbase shell 启动报错,使用statu…

详细报错 java.sql.SQLException: The server time zone value '�й���׼ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time z…

现象: 报错:Exception in thread "main" com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure 解决办法: 更换 mysql-connector-java-8.0.11.jar 为 mysql-connector-java-8.0.16.jar, 下载位置:https://mvnrepository.com/artifact/mysql/mysql-c…

报错的原因是url = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=E:/公司/2000.mdb"; 这样是不行滴,要改成 url = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=E:/公司/2000.mdb"; 我去,网上找了好久好久,才找到...…

我使用的MongoDB版本是3.6.9. 下面是一个很基础的示例代码,功能就是连接MongoDB: package com.zifeiy.snowflake.handle.etl.mongodb; import com.mongodb.MongoClient; public class MongodbTest { public static void main(String[] args) { MongoClient mongoClient = new MongoClient(); } } 但是…

Java 客户端连接Kafka报如下错误 java.nio.channels.ClosedChannelExcep 是由于Kafka server.properties中的advertised.host.name 属性没有配置.这个属性代表客户端访问Kafka的地址.如果没配置默认是主机名.…

Caused by: javax.net.ssl.SSLException: Received fatal alert: protocol_version at sun.security.ssl.Alerts.getSSLException(Alerts.java:208) at sun.security.ssl.Alerts.getSSLException(Alerts.java:154) at sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocke…

注意:c3p0的数据库配置方式为: <named-config name="sqlsvr"> <property name="driverClass">net.sourceforge.jtds.jdbc.Driver</property> <property name="jdbcUrl">jdbc:jtds:sqlserver://localhost:1433/WaterNet_DaFeng<…

您的问题是您在应用程序类路径中缺少必需的JAR(这导致ClassNotFound异常).如果您下载了包含IP Camera驱动程序(webcam-capture-driver-ipcam-0.3.10-RC6-dist.zip)的ZIP文件,您将在libs目录下找到所有必需的第三方JAR .所需的JAR列表包括以下内容:…