Starting a Gradle Daemon, x busy Daemons could not be reused, use --status for details, forever until floods RAM

Help/Discuss
1

I’m doing flutter run and then I start getting things like this:

Starting a Gradle Daemon, 18 busy Daemons could not be reused, use --status for details
Starting a Gradle Daemon, 19 busy Daemons could not be reused, use --status for details
...

etc and they start growing until my RAM fills and the computer crashes. I can’t do --status because it’s flutter who calls them. Anyone knows why this is happening? Is there a reason it’s creating new ones?

2

This is part of the output of ./gradlew --info --stacktrace --debug assembleDebug


2022-04-24T17:14:45.981+0000 [QUIET] [system.out] > Configure project :
2022-04-24T17:14:45.981+0000 [QUIET] [system.out] Starting a Gradle Daemon, 2 busy and 23 stopped Daemons could not be reused, use --status for details
2022-04-24T17:14:51.958+0000 [LIFECYCLE] [org.gradle.cache.internal.DefaultFileLockManager] 
2022-04-24T17:14:51.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2022-04-24T17:14:51.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2022-04-24T17:14:51.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2022-04-24T17:14:51.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2022-04-24T17:14:51.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2022-04-24T17:14:51.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2022-04-24T17:14:46.015+0000 [LIFECYCLE] [org.gradle.internal.logging.progress.ProgressLoggerFactory] 
2022-04-24T17:14:46.015+0000 [LIFECYCLE] [org.gradle.internal.logging.progress.ProgressLoggerFactory] > Configure project :
2022-04-24T17:14:54.279+0000 [QUIET] [system.out] 
2022-04-24T17:14:54.279+0000 [QUIET] [system.out] > Configure project :
2022-04-24T17:14:54.279+0000 [QUIET] [system.out] Starting a Gradle Daemon, 3 busy and 23 stopped Daemons could not be reused, use --status for details
2022-04-24T17:15:01.958+0000 [LIFECYCLE] [org.gradle.cache.internal.DefaultFileLockManager] 
2022-04-24T17:15:01.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2022-04-24T17:15:01.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2022-04-24T17:15:01.958+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2022-04-24T17:15:01.959+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2022-04-24T17:15:01.959+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2022-04-24T17:15:01.959+0000 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2022-04-24T17:14:54.315+0000 [LIFECYCLE] [org.gradle.internal.logging.progress.ProgressLoggerFactory] 
2022-04-24T17:14:54.315+0000 [LIFECYCLE] [org.gradle.internal.logging.progress.ProgressLoggerFactory] > Configure project :
2022-04-24T17:15:02.379+0000 [QUIET] [system.out] 
2022-04-24T17:15:02.379+0000 [QUIET] [system.out] > Configure project :
2022-04-24T17:15:02.379+0000 [QUIET] [system.out] Starting a Gradle Daemon, 4 busy and 23 stopped Daemons could not be reused, use --status for details
2022-04-24T17:15:10.279+0000 [QUIET] [system.out] 
2022-04-24T17:15:10.279+0000 [QUIET] [system.out] > Configure project :
2022-04-24T17:15:10.279+0000 [QUIET] [system.out] Starting a Gradle Daemon, 5 busy and 23 stopped Daemons could not be reused, use --status for details
3

more details here

4

For gradle to reuse a daemon, the process needs to have the exact same criteria as previous executions including the environment.

Is it possible you are setting an environment variable to the current time or a random number?

5

no. Here is a minimum verifiable example first commit · lattice0/flutter_bug@d1c738a · GitHub in github workflows