Programmer Group

Author: Waste senior brother cnblogs.com/cjsblog/p/9756978.html 1. Preface 1.1. Integration mode There are four ways to integrate Elasticsearch in Spring Boot: REST Client Jest Spring Data Spring Data Elasticsearch Repositories This paper uses the following two methods to connect and operate elastic search respectively 1.2. Environm ...

Author: little brother FuBlog: https://bugstack.cn -Original series special cases Precipitation, sharing, growth, so that they and others can have a harvest! 😄 Introduction to foreword (December, 19) recently, I want to make an open source sharing project based on Spring Boot, and develop a distributed task DcsSchedule middleware to enhance Sc ...

1. Preface In the previous version, you mistakenly bound the build push docker image to the package execution action. As a result, the OSC service parent project will report an error that it cannot find the dependency during the install operation, and unacceptable problems such as "build the pus ...

Article catalog Write in front Combined with TestNG configuration Combined with Junit configuration Matching mvn command use Write in front The surefire plug-in is used in the test phase of maven's life cycle for testing. It provides some mvn operations that are convenient for us to perform th ...

Fastjson has been a popular issue recently, but as a widely used library of Json, it is still an important choice for many developers along with Gson and Jackson. Even from a security point of view, it is necessary to understand how fastjson is used in order to replace it. This article is a simple summ ...

I've always envied others for making wheels and open source projects for others to use. I also want to do this. I can learn little by myself. This time, I will upload my own writing tools to Maven's central warehouse. The detailed step-by-step tutorial is shown as follows: Notice the Maven addresses at first: Work order management: https://is ...

Because JAVA is an interpreted language, it is easy to decompile. Maybe many companies will add License verification steps to their products before they leave the factory. Is License verification really safe? NO, people with a little JAVA experience will know to decompile your war package or jar ...

if fast or switch fast? Do you want to specify the initialization size of HashMap? How much performance can be improved after it is specified? Which serialization method takes less time? No matter what the reason is, it is necessary to evaluate the performance. In most cases, it is not enough to simply answer who is fast and who is slow. How to ...

How is it implemented to migrate the project to k8s platform? Make a mirror image Controller management Pod Pod data persistence Exposed applications Publish application to the public Log / monitor 1. There are three steps to making a mirror image The first basic image is based on which operating system, such as Centos7 or other The second ...

Reference article Troubleshooting: when pdfbox is used to transfer pdf to image, stsong light font in Chinese is garbled pdfbox version is 2.0 A log like this (for example, using fallback XXX for CID keyed font stsong light) is printed in the log, which means that stsong light font is not installed in t ...