How to write to a file from a servlet?
We will see how to write to a file on the file system from a servlet. To write to a file in the root folder of a web application, we’ll need the actual path. Using the path we can write to the file.
Table of Contents
How to write to a file in Java EE?
Writing to a file from a servlet in a Java EE web application 1 Step 1: Find the actual file path of the root folder First, we’ll look at three file path methods of the File class. 2 Step 2: Write to a file inside the WebContent/Root folder from a servlet More
How to deploy Eclipse project to Tomcat server?
Now deploy the same project to a standalone Tomcat and run the same URL you see in the Eclipse browser, from a standard browser like Chrome or Firefox. This time, stop the server started from Eclipse and start the Tomcat server by running startup.bat by going to the bin folder of the Tomcat installation.
How to write to a file in a web application?
To write to a file in the root folder of a web application, we’ll need the actual path. Using the path we can write to the file. Note that the WeContent folder you see in eclipse during development becomes the root folder of the web application, since we archive the contents of the WebContent folder to create a war file.
How to create and write a file in Java?
Create a file. To create a file in Java, you can use the createNewFile() method. This method returns a boolean value: true if the file was created successfully, and false if the file already exists. Note that the method is enclosed in a try…catch block. This is necessary because it throws an IOException if an error occurs.
Where to find web pages in Java servlets?
To be precise, it is the folder called Web Pages as in your screenshot. As an exercise, do the following to calculate the absolute path so that you can find it using the operating system’s disk explorer. I don’t use Netbeans, but you’ll likely need to update the folder in your IDE after writing the file for it to show up in the IDE’s list.