GitHub

HikariCP Connection Pool Cannot Recover After MySQL Connection Failure

spring: datasource: hikari: poolName: Hikari auto-commit: false max-pool-size: 30 minimum-idle: 10 data-source-properties: cachePrepStmts: true prepStmtCacheSize: 250 prepStmtCacheSqlLimit: 2048 ...
TheServerSide

The right MySQL persistence.xml example file for JPA 3 and Hibernate 6

Community driven content discussing all aspects of software development from DevOps to design patterns. As developers migrate their old Java Persistence API applications to JPA 3, their progress is ...
TheServerSide

Java, JDBC and Postgres

The first thing you'll learn in this PostgreSQL and Java Database Connectivity (JDBC) tutorial is that most developers simply call it Postgres. The two terms are both interchangeable and official. Use ...
Hacker

How to Connect to Oracle, MySql and PostgreSQL Databases Using Python

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
GitHub

Connection com.mysql.cj.jdbc.ConnectionImpl@17a1981f marked as broken because of SQLSTATE(08S01), ErrorCode(0)

env { "job.mode"=STREAMING "job.name"="SeaTunnel_Job" } source { MySQL-CDC { table=null format=DEFAULT "snapshot.split.size"=8096 "snapshot.fetch.size"=1024 ...
Ars Technica

java.net.URLConnection is really slow. why?

I've googled around, and I can't find any info on why java.net.URLConnection is abysmally slow. I have observed the problem on os x (with java 1.4.2), linux, and pocket pc (running ibm's j9). It ...
Ars Technica

mySQL dies when accessed through JDBC

This is a weird one for me. I'm trying to access a simple mySQL database using JDBC. I have the mySQL connector installed and it seems to be ok. But when I try to connect to the database, mySQL dies ...