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1. blogs.oracle.com › javamagazine › postIt’s time to move your applications to Java 17. Here’s why ...

   blogs.oracle.com › javamagazine › post

   Aug 27, 2021 · Unfortunately, many applications still run on old versions of Java, such as the previous LTS versions: Java 11 and Java 8. This article explains why you should upgrade your application and helps you with the actual upgrade to Java 17.

2. medium.com › @AlexanderObregon › modernizing-legacyModernizing Legacy Java Apps: Best Practices | Medium

   medium.com › @AlexanderObregon › modernizing-legacy

   Mar 28, 2023 · Legacy applications often rely on outdated libraries that no longer receive updates or security patches. Use tools like Maven or Gradle to identify and upgrade dependencies.

3. www.thewindowsclub.com › fix-jaJava update did not complete, Error Code 1618 - The Windows Club

   www.thewindowsclub.com › fix-ja

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   • Run the Microsoft Utility to fix the corrupted registry keys. As described above in this article, corrupted Microsoft Registry Keys is one of the causes of the “Java update did not complete, Error Code 1618.”
   • Download the Java offline installer. The default Java installer downloads the required files from the internet during the installation process. If the Windows Installer fails to fetch the files, you may get an error.
   • End the MSIEXEC.EXE service. If the above-listed methods did not help you fix the issue, you can try terminating the MSIEXEC.EXE service. Many users have found this method useful.
   • Restart Windows Installer service. By default, the Windows Installer service startup type is set to manual. Change its startup type from manual to automatic and then restart the service.

4. stackoverflow.com › questions › 72159890error handling - You are using an outdated version of Java ...

   stackoverflow.com › questions › 72159890

   May 8, 2022 · Based on my understanding you have already java 11 but your project required java 17+, that why you change it to java18. If you type in CMD javac --version and will show no error that means java 11 is still running to your software.

5. www.infoq.com › articles › why-how-upgrade-java17Why and How to Upgrade to Java 16 or 17 - InfoQ

   www.infoq.com › articles › why-how-upgrade-java17

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   Sep 8, 2021 · Upgrading Java can be a challenge depending on how old your Java version and dependencies are, and how complicated your setup is. This guide helps solve the most common challenges when...

6. rollbar.com › blog › unsupported-class-file-majorHow to Fix "Unsupported Class File Major Version 61" in Java ...

   rollbar.com › blog › unsupported-class-file-major

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   Mar 20, 2024 · The "Unsupported class file major version 61" error in Java means you're trying to run a Java program that's too advanced for the version of Java you have installed. To fix this, either update your Java to version 17 or newer, otherwise recompile the program with an older Java version that matches your runtime environment.

7. People also ask

   Should you upgrade to a newer version of Java?

   • It is perceived that upgrading to a newer version of Java may require a significant amount of work. This is due to the required changes in the codebase and installing the latest version of Java on all the servers that build and run the application. Luckily, some companies use Docker which can enable teams to upgrade those items by themselves.

   Why and How to Upgrade to Java 16 or 17 - InfoQ

   www.infoq.com/articles/why-how-upgrade-java17/

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   How difficult is it to upgrade Java?

   • After all the hard work, you can now use exciting new Java features such as Records and Pattern Matching. Upgrading Java can be a challenge depending on how old your Java version and dependencies are, and how complicated your setup is. This guide helps solve the most common challenges when upgrading Java.

   Why and How to Upgrade to Java 16 or 17 - InfoQ

   www.infoq.com/articles/why-how-upgrade-java17/

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   Can I upgrade from Java 8 to 17 at once?

   • It’s possible to upgrade from Java 8 to 17 at once. However, if you encounter any issues, it might be difficult to determine which new feature in between those Java versions caused the issue. Upgrading in smaller steps, say, from Java 8 to Java 11 for example, makes it easier to pinpoint issues.

   Why and How to Upgrade to Java 16 or 17 - InfoQ

   www.infoq.com/articles/why-how-upgrade-java17/

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   Is it easier to upgrade from Java 11 to Java 17?

   • Most times, I would say that an upgrade from Java 11 to Java 17 is easier than from Java 8 to Java 11. For most applications migrating from one LTS to the next LTS takes a couple of hours to a couple of days. Most of the time is spent building the application. It’s important to get started and make incremental changes.

   Why and How to Upgrade to Java 16 or 17 - InfoQ

   www.infoq.com/articles/why-how-upgrade-java17/

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   How long does it take to upgrade Java?

   • While upgrading Java can be challenging, it’s often a matter of hours or days. From my experience, the upgrade from Java 11 to Java 17 is easier compared to the upgrade from Java 8 to Java 11. Upgrading your application’s dependencies already resolves most, if not all, of these issues.

   Why and How to Upgrade to Java 16 or 17 - InfoQ

   www.infoq.com/articles/why-how-upgrade-java17/

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   Why should you keep Java up-to-date?

   • Keeping Java up-to-date helps to maintain a healthy application. Doing so may also help organizations to retain existing employees and potentially attract new ones as developers are generally more eager to work on newer technologies. It is perceived that upgrading to a newer version of Java may require a significant amount of work.

   Why and How to Upgrade to Java 16 or 17 - InfoQ

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8. docs.oracle.com › en › java7 Migrating From JDK 8 to Later JDK Releases - Oracle Help Center

   docs.oracle.com › en › java

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   Java SE. 21. Oracle JDK Migration Guide. 7 Migrating From JDK 8 to Later JDK Releases. There were significant changes made between the JDK 8 and later JDK releases. Every new Java SE release introduces some binary, source, and behavioral incompatibilities with previous releases.