# Build execution model

At the highest level, Gradle's execution model is quite simple:

Below is the protocol in some more detail:

1. The client looks for a compatible idle daemon. If there isn't one, it starts a new daemon.
2. The client connects to the idle daemon and sends it a request to do some work. If the daemon is no longer running, the client starts again.

Yuri Schimke <******@****.***> 1758435742 +0100

Yuri Schimke <******@****.***> 1758435742 +0100

renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> 1758437142 +0100

Yuri Schimke <******@****.***> 1758435742 +0100

Yuri Schimke <******@****.***> 1735306796 +0200

Yuri Schimke <******@****.***> 1758435742 +0100

Yuri Schimke <******@****.***> 1644968312 +0000

      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterable<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterator<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();

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