Deploy a WAR file of a Java web application on the Apache Tomcat web server
There are two ways to deploy a WAR file of a Java web application on the Apache Tomcat web server Using the command line Copy the WAR file into the webapps folder of the Tomcat installation directory, Make sure the CATALINA_HOME environment variable…
Create a WAR file for a Java web application in NetBeans
Configure the web application Add the web.xml file The wb.xml file contains the web application configuration values for the webserver. I has to be in the WEB-INF directory of the web applicaion. To add the web.xml file to your NetBeans Java web…
The specified Security Group and Parameter Group are not set in the RDS instance
If the Terraform apply execution times out during the RDS instance creation, the specified Security Group and Parameter Group is not set in the RDS instance. The solution is to set the timeout in the aws_db_instance resource. When a multi-az RDS instance…
How to switch between GitHub accounts on your workstation
If you have multiple GitHub accounts and you want to switch between them you need to update the stored username and password on your workstation. On Windows See Git configuration
java.sql.SQLException: Incorrect string value: ‘\xF0\x9F\x96\xA4\xE2\x9C…’ for column
When your application tries to store 4-byte Unicode characters in a MySQL database you may get the error rmessage java.sql.SQLException: Incorrect string value: ‘\x..\x..\x..\x..\x..\x…’ for column To store…
Display all teams you belong to in GitHub
To get the information on all teams you are part of in Github Open a Terminal window Execute this command with your Personal Access Token curl -H "Authorization: token YOUR_PERSONAL_ACCESS_TOKEN" https://api.github.com/user/teams The returned JSON will…
Package dependent Java JAR files into the project JAR file
When you execute your Java JAR file, you need to include all dependent JAR files in the “fat jar” file, so the Java virtual machine can find them at runtime. Set up NetBeans to include the JAR files from the library In NetBeans you need to…
`pwd’: No such file or directory – getcwd (Errno::ENOENT)
When you rename a subdirectory under the directory where your Linux or MacOS terminal is open you may get the error message /opt/chefdk/embedded/lib/ruby/gems/2.4.0/gems/chef-13.4.19/lib/chef/knife/cookbook_download.rb:45:in `pwd’: No such file or…
MySQL Installation
To install the MySQL database server, download the installer from https://dev.mysql.com/downloads/ Download the MySQL Community Server from https://dev.mysql.com/downloads/ On the Generally Available (GA) Releases tab select the operating system and…
Start a new Spring MVC Java Web application development in NetBeans
When you create your first Spring MVC Java web application in the base installation of NetBeans follow the steps below Create a project In the File menu select New Project… Select the Java Web category, select the Web Application project, and click…