org.apache.jasper.JasperException: java.lang.IllegalStateException: No output folder

This error can happen on Linux and Windows, and the cause could be the same. On Windows Server 2012R2 I opened a command prompt. To be able to delete a directory from the Tomcat webapps folder, I have issued the shutdown command. When I started the server with the startup command, and navigated to my local […]

Only persistence units with transaction type JTA can be used as a container managed entity manager

NetBeans can use multiple deployment servers. When your web application uses the Entity Framework and you select the Glassfish server as the deployment server, you can get the error message when you try to run your application in the IDEÉ Severe: Exception while preparing the app : The persistence-context-ref-name […] in module […] resolves to a […]

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 points to the Tomcat directory (not the bin subdirectry) Open a Terminal window or […]

Tomcat web server installation

Tomcat is one of the most popular free web servers. Tomcat runs on the Linux, Macintosh, and Windows operating systems. To install Tomcat Install the Java Runtime Environment (JRE) Download the Java JRE from Install the Java JRE On Windows Execute the downloaded .exe file Create an environment variable to point to the installed Java If you installed […]

Cannot restart the Atlassian Confluence service on Windows

When the Atlassian Confluence wiki is installed on a Windows server, it frequently becomes unavailable. Sometimes it is possible to restart the Atlassian Confluence Windows service, but most of the time the Stop phase times out with: Windows could not stop the Atlassian Confluence service on Local Computer. Error 1053: The service did not respond […]