We’re attempting to create my Java line of code in IntelliJ. However, we received the following Error:java: invalid source release: 8. If you are receiving the same issue, it’s your lucky day. Let’s search for a solution to this question in our next blog article.

What Causes Error:java: invalid source release: 8?

We encounter the following issue when attempting to build our Java commands in IntelliJ.

Information:java: Errors occurred while compiling module 
Information: javac 7 was used to compile java sources 
Information:03/02/19 07:35 – Compilation completed with 1 error and 0 warnings in 1 s 529 ms 
Error:java: invalid source release: 8

How To Solve It?

Launch IntelliJ and browse File, then choose Project Structure to fix it. Press the shortcut combination to access Project Settings. There’s a section for Project SDK. Choose the SDK that corresponds to your code.

If you’re working on a multi-module project, then select the appropriate module SDK. Change it by going to Dependencies. Your project should operate smoothly now.

Solution 1: Change the bytecode version of the project

Sometimes the error occurs because of an inaccurate version. You should change the bytecode version of the project. Set its value to 8 by clicking on the Project bytecode version in the Settings. Your problem is solved.

Solution 2: Follow these steps

Another solution for you to fix “Error:java: invalid source release: 8” is to follow these steps:

1. In IntelliJ, go to File and choose Project Structure. Then, access Project Settings.
2. There should be a section for Project SDK.
3. Choose the SDK that corresponds to your code.
4. Select an appropriate module SDK if you’re working on a multi-module application. Adjust to Java 1.8 by going to Dependencies.
5. And that’s it. Your problem should be solved.

Solution 3: Change SDK and Java version

Excepting two solutions mentioned above, there is another solution for you to solve the error “Error:java: invalid source release: 8”. It is changing SDK and Java version on some places below not to get this issue:

• File -> Project Structure -> Project Settings
• File -> Project Structure -> Module Settings -> Tab: Sources: Language Level
• File -> Project Structure -> Module Settings -> Tab: Dependencies: Module SDK
• File -> Settings -> Compiler -> Java Compiler -> Target bytecode version

To understand more, look at the following description:

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After you finish these steps, your error will be completely resolved and your program will run well without any errors. So, let’s try it to get your desired results.

Conclusion

That is all of our solutions on Error:java: invalid source release: 8. They may be used to solve the error most of the time, however you may try other ideas if they are more suitable. You may also send us your concerns so we can answer it all for you. Thank you!

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