How to solve the problem of memory overflow by always reporting Java project idea building

Java projects build time memory overflow in IDEA is usually caused by insufficient JVM heap memory. Here are a few solutions:

1. Increase the memory allocation of IDEA:

in-XmxThe following values can be adjusted appropriately according to the memory size of your computer.

Open Help -> Edit Custom VM Options
Add or modify the following line:
```
-Xmx2048m
-XX:MaxPermSize=512m
```

2. Adjust project compilation settings:

Open File -> Settings -> Build, Execution, Deployment -> Compiler
Increase the value of "Build process heap size", for example, set to 2048

3. Configure Gradle build memory (if using Gradle):

Create or edit in the project root directorydocument
Add the following line:
```
=-Xmx2048m -XX:MaxPermSize=512m
```

4. Optimize the project structure:

Split large projects into multiple modules
Clean up unnecessary dependencies and resource files

5. Build using the command line:

If IDEA build fails, try to build using the command line to control memory allocation more flexibly:

./gradlew build -="-Xmx2048m -XX:MaxPermSize=512m"

6. Update IDEA and JDK:

Make sure to use the latest version of IDEA and JDK, as new versions may include performance optimizations.

7. Clean up IDEA cache:

Close IDEA
delete.ideaFolders and all.imldocument
Reopen the project and let IDEA rebuild the index

8. Disable unnecessary plugins:

Some plugins can consume a lot of memory and can disable unwanted plugins in Settings -> Plugins.

If none of the above methods solve the problem, you may need to consider increasing the physical memory of the machine or using a more powerful development machine.

Summarize

This is the article about how to solve the problem of memory overflow from Java project idea building always reports. For more related ideas building always reports memory overflow from please search for my previous article or continue browsing the related articles below. I hope everyone will support me in the future!