(error) MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fai…

在今天的学习Redis中报错 Connection refused: connect 我总结了有三种情况: 1.远程服务器中的Redis没有开启. 2.远程连接地址出错,或者是端口出错. 3.远程服务器的端口没有在防火墙中开放,不能访问.…

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…

Caused by: io.lettuce.core.RedisCommandExecutionException: MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set are disabled, because this instance is configured to…

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…

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…