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[7.1.0] Fix a flaky test by avoiding leaking the eager capability RPC thread. #21550

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Mar 4, 2024
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[7.1.0] Fix a flaky test by avoiding leaking the eager capability RPC thread. #21550

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1 change: 1 addition & 0 deletions src/main/java/com/google/devtools/build/lib/remote/RemoteModule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -695,6 +695,7 @@ private static ReferenceCountedChannel createChannel(
requirement),
maxConnections);
// Eagerly start creating the channel and verifying the capabilities in the background.
// TODO(tjgq): Make sure this task doesn't linger beyond afterCommand().
var unused =
executorService.submit(
() -> {
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6 changes: 6 additions & 0 deletions src/test/java/com/google/devtools/build/lib/remote/RemoteModuleTest.java
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Expand Up @@ -241,6 +241,12 @@ public void testVerifyCapabilities_none() throws Exception {
// Remote downloader uses Remote Asset API, and Bazel doesn't have any capability requirement
// on the endpoint. Expecting the request count is 0.
assertThat(cacheCapabilitiesImpl.getRequestCount()).isEqualTo(0);

// Retrieve the execution capabilities so that the asynchronous task that eagerly requests
// them doesn't leak and accidentally interfere with other test cases.
assertThat(remoteModule.getActionContextProvider().getRemoteCache().getCacheCapabilities())
.isEqualTo(EXEC_AND_CACHE_CAPS.getCacheCapabilities());

assertCircuitBreakerInstance();
} finally {
executionServer.shutdownNow();
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