[Bug]: Freeze containers shutdown doesn't prevent containers from stopping

[ndrake]

Module

Core

Testcontainers version

1.21.0

Using the latest Testcontainers version?

Yes

Host OS

Mac OS 15.5

Host Arch

ARM

Docker version

Client:
 Version:           28.1.1
 API version:       1.49
 Go version:        go1.23.8
 Git commit:        4eba377
 Built:             Fri Apr 18 09:49:45 2025
 OS/Arch:           darwin/arm64
 Context:           desktop-linux

Server: Docker Desktop 4.41.2 (191736)
 Engine:
  Version:          28.1.1
  API version:      1.49 (minimum version 1.24)
  Go version:       go1.23.8
  Git commit:       01f442b
  Built:            Fri Apr 18 09:52:08 2025
  OS/Arch:          linux/arm64
  Experimental:     false
 containerd:
  Version:          1.7.27
  GitCommit:        05044ec0a9a75232cad458027ca83437aae3f4da
 runc:
  Version:          1.2.5
  GitCommit:        v1.2.5-0-g59923ef
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

What happened?

The Testcontainers Desktop app's "Freeze containers shutdown" option doesn't seem to work anymore. On a previous Java/Gradle project this option was working properly. At some point, when I went back to the project, the freeze shutdown option stopped preventing the Testcontainer containers from shutting down. I'm now in the process of setting up a new project with Testcontainers, and still seeing the same behavior.

I've tried reinstalling and resetting the desktop app and I'm still seeing the same behavior.

Other possibly relevant issue:

• Original project is using Java 21 and Gradle
  • Note: Freeze shutdown did work with this project at one point
• New project is using Kotlin 2.1 and Gradle

Relevant log output

2025-05-22T11:43:12.145Z --- INF Initializing config cloud=/Users/natedrake/.config/testcontainers/cloud.properties dir=/Users/natedrake/.config/testcontainers tc=/Users/natedrake/.testcontainers.properties
2025-05-22T11:43:12.191Z --- INF Testcontainers Desktop arch=arm64 os=macOS/15.5 version=1.19.0.5684+b10c462
2025-05-22T11:43:12.197Z --- INF Found existing state file location=/Users/natedrake/Library/Caches/AtomicJar/testcontainers.cloud.desktop/state.json
2025-05-22T11:43:12.199Z --- INF Found installation ID installation_id=iid_04454fd5-8cd7-4d1c-809e-2b60b580d4b7
2025-05-22T11:43:12.400Z --- INF Starting service proxy
2025-05-22T11:43:12.656Z --- INF Dispatching an action type=ui.StartAction
2025-05-22T11:43:12.656Z --- INF State change [ui.DisabledState]--(ui.StartAction)->[ui.StartingState]
2025-05-22T11:43:13.020Z --- INF Agent process starting... start_id=start_3919e66f-5bc0-444a-8e43-d45c74da9cb0
2025-05-22T11:43:13.022Z --- INF Starting a listener... address=tcp://localhost:0
2025-05-22T11:43:13.024Z --- INF User account used name=ndrake@touchtown.com nickname=ndrake org_id=27184 type=user
2025-05-22T11:43:13.025Z --- INF Starting mutagen daemon...
2025-05-22T11:43:13.025Z --- INF Stored agent endpoint addr=tcp://127.0.0.1:53697
2025-05-22T11:43:13.026Z --- INF Serving requests with Testcontainers Cloud runtime index=0
2025-05-22T11:43:13.026Z --- INF Passivating index=0
2025-05-22T11:43:13.028Z --- INF Dispatching an action type=ui.StartedAction
2025-05-22T11:43:13.028Z --- INF State change [ui.StartingState]--(ui.StartedAction)->[ui.RunningState]
2025-05-22T11:43:13.029Z --- INF Agent process listening address=tcp://127.0.0.1:53697
2025-05-22T11:43:13.037Z --- INF Mutagen daemon listening endpoint=/Users/natedrake/.config/testcontainers/run/mtgn.sock
2025-05-22T11:43:13.049Z --- INF Created docker context name=tcd
2025-05-22T11:43:13.056Z --- INF Repointing service proxy from= to=tcp://127.0.0.1:53697
2025-05-22T11:43:13.063Z --- INF Switch to local runtime host=unix:///Users/natedrake/.docker/run/docker.sock name=desktop-linux
2025-05-22T11:43:13.063Z --- INF Serving the local runtime host=unix:///Users/natedrake/.docker/run/docker.sock runtime=desktop-linux
2025-05-22T11:43:13.064Z --- INF Stored chosen runtime type=tcc
2025-05-22T11:43:13.071Z --- INF Stored chosen runtime name=desktop-linux type=local
2025-05-22T11:43:13.071Z --- INF Starting container watch runtime=desktop-linux

Additional Information

Relevant testcontainer dependencies I'm using:

    testImplementation("org.testcontainers:testcontainers:1.21.0")
    testImplementation("org.testcontainers:junit-jupiter:1.21.0")
    testImplementation("org.testcontainers:testcontainers:1.21.0")
    testImplementation("org.testcontainers:redpanda:1.21.0")

While the test is running, I do see it show up in the Testcontainers Desktop containers list.

[ndrake]

Sample repo to demo the issue: https://github.com/ndrake/tc-freeze-test

[eddumelendez]

Hi, Testcontainers Desktop's Freeze containers shutdown works as expected. I think the fault here is around the init block. I'm not a Kotlin expert but if I switch to Testcontainers JUnit 5 support works as expected because the RedpandaContainer#close method is call, meanwhile with init block is not.