How to Fix the Missing Server JVM Error in Java

Muhammad Adil Feb 02, 2024
  1. Reasons for the Error
  2. Install Java JDK to Fix the Missing Server JVM Error
  3. Example of the Error
How to Fix the Missing Server JVM Error in Java

Java Virtual Machine (JVM) is an essential component of the Java ecosystem, providing a runtime environment for executing Java code. The JVM is responsible for loading class files, executing methods, and managing memory.

In a server environment, the JVM is typically installed on the server and is used by Java applications to run.

However, when you try to run a Java application, you may encounter an error that says, Could not find the server JVM. This error occurs when the JVM cannot be found on the system where the application is being run.

Reasons for the Error

There are several reasons why you may encounter this error, including:

  1. The JVM is not installed: If the JVM is not installed on the system, the application will not be able to find it and will throw the error.
  2. The JVM is installed but not in the PATH: If the JVM is installed but is not in the PATH environment variable, the application will not be able to find it and will throw the error.
  3. The JVM version is incorrect: The error may occur if the application uses a JVM version different from the version installed on the system.
  4. The JVM is damaged or corrupted: If the JVM is damaged or corrupted, the application may not be able to use it, resulting in an error.

Install Java JDK to Fix the Missing Server JVM Error

One solution to fix the Missing 'server' JVM error in Java is to install the Java Development Kit (JDK), which includes the 'server' JVM component. Here are the steps to install Java JDK.

  • Uninstall Java JRE

    Before installing Java JDK, uninstall any existing Java Runtime Environment (JRE) on your system. Here’s how:

    1. Go to the Control Panel and select Programs and Features (or Add or Remove Programs on older versions of Windows).
    2. Find Java in the list of installed programs and select it.
    3. Click the Uninstall button and follow the prompts to uninstall Java from your system.
  • Download Java JDK

    Download JDK

    Once you’ve uninstalled Java JRE, you can download Java JDK from the official Oracle website. Select the appropriate version for your operating system.

  • Install Java JDK

    Install JDK

    After downloading Java JDK, run the installer and follow the prompts to install it on your system. Select the Custom installation option and check the box next to Server JRE to install the 'server' JVM component.

  • Set Environment Variables

    Environment Variables

    Finally, you need to set the JAVA_HOME environment variable to point to the location of the Java JDK installation directory. Here’s how:

    1. Right-click on Computer (or This PC) and select Properties.
    2. Click Advanced system settings and select the Environment Variables button.
    3. Under System Variables, click New and enter JAVA_HOME as the variable name and the path to the Java JDK installation directory as the variable value.
    4. Click OK to save the environment variable.

Example of the Error

Here’s an example of how Java’s missing server JVM error can occur.

public class Main {
  public static void main(String[] args) {
    System.out.println("Starting Java application");
    try {
      System.out.println(System.getProperty("java.version"));
    } catch (Exception e) {
      System.out.println("Error: Could not find server JVM");
    }
  }
}

In this example, the System.getProperty method is used to retrieve the version of the Java Virtual Machine (JVM) being used. If the JVM is not installed or found, the method will throw an exception, which the catch block will catch.

In the catch block, we print the message "Error: Could not find server JVM" to indicate that the JVM is missing. If the JVM is found and the application can retrieve the version, the version will be printed to the console.

This example demonstrates how a Java application can detect the missing server JVM error.

Click here to check the working of the above code.

Muhammad Adil avatar Muhammad Adil avatar

Muhammad Adil is a seasoned programmer and writer who has experience in various fields. He has been programming for over 5 years and have always loved the thrill of solving complex problems. He has skilled in PHP, Python, C++, Java, JavaScript, Ruby on Rails, AngularJS, ReactJS, HTML5 and CSS3. He enjoys putting his experience and knowledge into words.

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