My host machine OS is Windows 10, and I install oracle VirtualBox on it. The guest OS in the VirtualBox virtual machine is Ubuntu 18.04.1. I use the Ubuntu OS normally for example code development. But one day when I start the Ubuntu virtual machine, I find the network does not work correctly. I can […]
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When you develop a java project in eclipse, of course, you want to make class import automatically when you type a class name, especially when you copy & paste huge java source code to your java file. This article will tell you how to import java class automatically in eclipse.
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MySQL server is a very popular relational database server in the world. It is used widely on the server-side. Ubuntu is also the most popular Linux OS in the world. This article will tell you how to install MySQL server in Ubuntu and install MySQL workbench to access the MySQL server.
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I have some spring projects in my workspace. And I use GitHub to manage all the source code of different spring projects. When I import those spring projects to a newly set up machine in eclipse, I find an error message like Failure to transfer antlr:antlr:jar:2.7.7 from https://repo.maven.apache.org/maven2 was cached in the local repository. After
In this example, we will show you how to develop a spring boot web application using spring web MVC, spring data JPA, spring thymeleaf template engine, and h2 embedded database library jars. This web application provides two functions, one function can add employees and the other function can list added employees. Please see the function
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In the previous article, we have learned how to make your spring boot application files structure correct to avoid the Whitelabel error page ( Spring Boot Resolve Whitelabel Error Page Example ). But when your spring boot application has errors in source code, it still shows the Whitelabel error page, and you can not see
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When you run the spring boot application in the sprint tool suite for the first time, you may encounter a Whitelabel error page error like below even if there are no coding or logic errors in the source code. You can also find there are no error messages logged out and your spring source code
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Windows do not support a long file path by default, this article will tell you how to enable it in win 10 home edition.
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Group policy editor (gpedit.msc) is a very useful windows function that is needed when enabling the windows long file path feature. It has been installed and enabled in win 10 professional and enterprise editions by default. But when you run it in win 10 home edition, it will prompt an error message like Windows cannot
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H2 is an embedded database developed in Java, it is free from platform constraints. It is only a class library and can be embedded directly into the java application. The biggest advantage of using the H2 database is that it can be packaged and distributed with java applications, which makes it very convenient to store
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