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[TEST] Wait a little longer for named pipes to open in unit tests (elastic/x-pack-elasticsearch#2712) 

Same fix as elastic/x-pack-elasticsearch#987, but for the unit tests.  The slowness affecting EBS
volumes created from snapshots can affect CI as it runs on AWS instances.

Original commit: elastic/x-pack-elasticsearch@306b8110b7
This commit is contained in:
David Roberts 2017-10-09 13:09:17 +01:00 committed by GitHub
parent 98347088f9
commit 9ad961088d
1 changed files with 22 additions and 4 deletions
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26
qa/ml-no-bootstrap-tests/src/test/java/org/elasticsearch/xpack/ml/utils/NamedPipeHelperNoBootstrapTests.java
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@ -282,15 +282,24 @@ public class NamedPipeHelperNoBootstrapTests extends LuceneTestCase {
PipeWriterServer server = new PipeWriterServer(pipeName, HELLO_WORLD);
server.start();
try {
InputStream is = NAMED_PIPE_HELPER.openNamedPipeInputStream(pipeName, Duration.ofSeconds(1));
// Timeout is 10 seconds for the very rare case of Amazon EBS volumes created from snapshots
// being slow the first time a particular disk block is accessed. The same problem as
// https://github.com/elastic/x-pack-elasticsearch/issues/922, which was fixed by
// https://github.com/elastic/x-pack-elasticsearch/pull/987, has been observed in CI tests.
InputStream is = NAMED_PIPE_HELPER.openNamedPipeInputStream(pipeName, Duration.ofSeconds(10));
assertNotNull(is);
try (BufferedReader reader = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
String line = reader.readLine();
assertEquals(HELLO_WORLD, line);
}
} catch (IOException e) {
server.interrupt();
throw e;
} finally {
server.join();
// If this doesn't join quickly then the server thread is probably deadlocked so there's no
// point waiting a long time.
server.join(1000);
}
assertNull(server.getException());
@ -304,15 +313,24 @@ public class NamedPipeHelperNoBootstrapTests extends LuceneTestCase {
PipeReaderServer server = new PipeReaderServer(pipeName);
server.start();
try {
OutputStream os = NAMED_PIPE_HELPER.openNamedPipeOutputStream(pipeName, Duration.ofSeconds(1));
// Timeout is 10 seconds for the very rare case of Amazon EBS volumes created from snapshots
// being slow the first time a particular disk block is accessed. The same problem as
// https://github.com/elastic/x-pack-elasticsearch/issues/922, which was fixed by
// https://github.com/elastic/x-pack-elasticsearch/pull/987, has been observed in CI tests.
OutputStream os = NAMED_PIPE_HELPER.openNamedPipeOutputStream(pipeName, Duration.ofSeconds(10));
assertNotNull(os);
try (OutputStreamWriter writer = new OutputStreamWriter(os, StandardCharsets.UTF_8)) {
writer.write(GOODBYE_WORLD);
writer.write('\n');
}
} catch (IOException e) {
server.interrupt();
throw e;
} finally {
server.join();
// If this doesn't join quickly then the server thread is probably deadlocked so there's no
// point waiting a long time.
server.join(1000);
}
assertNull(server.getException());