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How To Fix Runtime Error In Java? An Ultimate Guide

Posted on Posted in Fixes

Java is a universal language that helps developers create robust applications. However, runtime errors occur occasionally, which can halt the execution of your program and cause frustration.

This blog post will look at some ways to fix Java runtime error. We will also discuss how to troubleshoot common issues and find the root cause of the problem. So, if you are experiencing runtime errors in Java, read on for some helpful tips.

1. Close The Conflicting Programs:

Although runtime errors are inconvenient and persistent, they are not entirely hopeless; fixes are available. The first method you can use is to close these conflicting Programs.

  • Go to the Task Manager and press Ctrl-Alt-Del. This process will display a list of currently running programs.
  • Go to the Processes tab and, one by one, stop the programs by highlighting them and clicking the End Process button.
  • You’ll need to check if the error notice appears again after you halt a process.

You can proceed further once you’ve identified which program generates the error and reinstalls the application.

Conflicting Programs

2. Uninstall And Reinstall The Program:

If the problem persists, uninstall and reinstall the software by obtaining the most recent version. When runtime issues are discovered after a program has been released to the public, developers frequently offer fixes or tiny updates.

You can follow these steps to uninstall the program for a different Windows version.

  • In Window 7, Click the Start button, Control Panel, and Uninstall a program.
  • For Windows 8, go to the Start button, scroll down to More Settings, and then Control panel > Uninstall a program.
  • Put Control Panel into the search box in Windows 10, click the result, and select Uninstall an application.
  • Click the problem program in Programs and Features and then Update or Uninstall.

If you decided to update, follow the prompts to finish the process; if you selected to remove, follow the prompts to uninstall and then re-download or use the application’s installation DVD to reinstall the program.

Reinstall The Program

3. Reduce The Input Error:

User input can corrupt an application in different ways. If the user entered less than < or excellent than > sign on the HTML comment board, it destroys that web page to load. The data cleaning converts the extended data that could be entered into the application into a safe range of values so that the program can understand and comprehend it.

The use of Java library files helps reduce run time errors due to input sanitization failure. Java Framework like Hibernate validator and Apache BVal perform explanatory input cleaning, and both frameworks also easily integrate into Java Based Applications.

4. Install Virus Protection Program:

Because malicious software can tamper with system settings and computer memory, they can occasionally cause runtime issues. Install a good antivirus tool and run it periodically to remove unwanted software from your computer to fix runtime errors caused by computer viruses. Also, make sure the Anti-virus program is the most recent updated version, run a thorough scan on your computer, or run Windows Update to receive the most recent virus definitions and fixes.

Virus Protection Program

5. Use Load Testing Tool:

Some of the runtime errors of java occur due to limited resources caused by the problems of infrastructures. For Instance, Overutilization of CPU, low RAM, network timeout, or unable to schedule thread or process by the kernel.

The use of load testing tools like JMeter and LoadRunner is a simple method to avoid this type of error. These tools detect performance problems and stop applications before moving to production deployment.

Some applications may have unpredictable workloads to use a cloud-based balancing technique. This method will resolve both limited resources and purchasing expensive hardware relay.

6. Run Disk Cleanup:

A minimal amount of free space on your PC could be causing the runtime issue. It would help if you thought about backing up your stuff and clearing up hard drive distance. You can also restart your computer after clearing your cache. You can also use Disk Cleanup, go to your explorer window, and right-click your primary directory, usually C disk. Select Properties and then click Disk Cleanup.

Disk Cleanup

7. Reduce External Resource Configuration:

An external resource can cause an error runtime error if one of the following situations occur:

When there are Changes in IP address, Changes in Firewall Configuration, and the maintenance of the external system.

The application must react while the resource is being changed. For Instance, the developer of APP12 keeps all configuration data external so that the application quickly responds while changing resources. It must deal with external resource change without changing the base code and avoid application rebuilding.

Another tool to avoid this problem is the chaos engineering tool randomly terminates the app depending upon that app. In such an app, developers create code that remains flexible even when external systems fail. Developers cannot control the built-in issue with external recourse, but they minimize it by controlling how applications behave while external resources fail.

8. Reinstall Runtime Libraries:

The Java runtime error message could be caused by an update, such as the MS Visual C++ package, when it did not adequately or entirely. Then you can remove the current package and replace it with a new one.

Go to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package, and uninstall it. Uninstall the package at the top of the list and Reboot your computer when you are finished. After that, download and install the most recent Microsoft redistributable package.

Reinstall Runtime Libraries

9. Developer Must Build Proper Logic

Not every time runtime error is caused by data entry, but it can also be due to logical error. Sometimes code contains a logical fallacy that causes an application fails at the runtime.

Java contains the Runtime Exception feature to handle code-related runtime errors. Java17 has 78 errors in its software development kit.

Runtime Exception has the following common feature:

  1. Arithmetic Exception like dividing by zero error.
  2. Class Cast Exception like data type conversion error.
  3. Null Pointer Exception like when the null object calls the method.
  4. Index out Of Bound Exception is when the array accesses the nonexistence element.

Here you cannot do anything on your own; the developer himself must fix this.

Build Proper Logic

10. Use Trusted Libraries

The complex and non-trivial applications contain many dependencies of third-party libraries to perform different tasks like input validation, logging and form handling, etc. Any error of a third-party library becomes the error of the application.

One method to reduce third-party library runtime error of dependences only use trusted libraries such as Eclipse or Apache.

Another defensive method is to update the latest version of the application regularly.

Also Check: How To Fix Android Delayed Notifications? 14 Easy Solutions

Conclusion

Java is a universal language that has many uses. While it can be challenging to learn, the benefits are worth it.

Runtime errors can be frustrating and challenging to fix. We hope that this guide has helped you understand the causes of runtime errors and how to fix them. If you still have questions or need help, please don’t hesitate to reach out to us for assistance.

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