Gradle build fails with Out of Memory: Java heap space error

Question

I am getting gradle build error while running the app. I am using windows 10 with 8GB RAM, Android studio version 4.0.1

Out of memory: Java heap space. Please assign more memory to Gradle in the project's gradle.properties file. For example, the following line, in the gradle.properties file, sets the maximum Java heap size to 1,024 MB: org.gradle.jvmargs=-Xmx1024m

Even after following the same steps I am not able to run the app. Could anyone help with a permanent solution for this error???

Here is my gradle.properties file:

android.enableJetifier=true
android.useAndroidX=true
org.gradle.jvmargs=-Xmx1024m

Can you tell me which os you using ? (Windows/Mac...) how many GB of RAM you have ? And share your project gradle.properties please — Thuan Tang
– Thuan Tang, Commented Jul 25, 2020 at 12:51
Take a look at this stackoverflow.com/questions/39547100/… — sajjad
– sajjad, Commented Jul 25, 2020 at 13:08

Thuan Tang · Accepted Answer · 2020-07-25 13:06:56Z

31

Give more RAM for gradle org.gradle.jvmargs=-Xmx4g
If you face the same problem after can run for a few times, open Task Manager, End task any Open JDK Platform binary or Java(TM) Se Binary to release RAM, then you can run project again.

If your computer have less than 8GB RAM, set like this in your gradle.properties org.gradle.jvmargs=-Xmx2048M

answered Jul 25, 2020 at 13:06

Thuan Tang

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abhiSHH · Accepted Answer · 2021-11-23 15:37:17Z

9

I faced the same issue in my "react": "17.0.2","react-native": "0.66.1" project
Goto project/android/gradlew.properties
& uncomment this line
# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8

and only change the code before colan(:)
org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX to
org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=512m -XX

then save and run your build

answered Nov 23, 2021 at 15:37

abhiSHH

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1 Comment

NickUnuchek Over a year ago

Remove -XX:+HeapDumpOnOutOfMemoryError , because it creates dump files in your SSD

AlexMok · Accepted Answer · 2020-09-15 10:15:17Z

7

I'm working on a big android project with multiple modules and flavors and had the same problem.

I tried everything from tweaking memory to cleaning project, restarting while invalidating cache, deleting sources and recloning from repo.

I ended up deleting the ".gradle" folder in my user folder and recloning my project.. and it worked. Lost a lot of time on this though.

answered Sep 15, 2020 at 10:15

AlexMok

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Comments

sajjad · Accepted Answer · 2020-07-25 12:31:08Z

-3

Adding android:largeHeap="true" to the AndroidManifest.xml may solve your problem, if you haven't already added. But note that the main issue is your app is consuming too much memory. Consider tracking your app at runtime to find the unusual memory consuming process/objects.

<manifest 
     ...
     <application 
         android:largeHeap="true"
         ...

     </application>
</manifest>

answered Jul 25, 2020 at 12:31

sajjad

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5 Comments

Kartika Vij Over a year ago

I have already added, it worked once but when I tried to run again then same error

sajjad Over a year ago

There can be many possibilities leading to OutOfMemoryException. ListViews, too many living Fragments, loading high quality images etc. So try to figure out the memory killer objects in your code.

Thuan Tang Over a year ago

This for app when u can build, the error message appear when he building the project

Kartika Vij Over a year ago

Yes I am not able to run my app then how would I figure out anything?

Peter Over a year ago

android:largeHeap does not fix memory issues during gradle build. That flag only affects your app in production. The OP has issues when app is being built / compiled.

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