Examples with PARALLEL_BACKEND_EXECUTOR_SERVICE_MAX_SHUTDOWN_WAIT_TIME org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.PARALLEL_BACKEND_EXECUTOR_SERVICE_MAX_SHUTDOWN_WAIT_TIME used on opensource projects

Example 1 with PARALLEL_BACKEND_EXECUTOR_SERVICE_MAX_SHUTDOWN_WAIT_TIME

use of org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.PARALLEL_BACKEND_EXECUTOR_SERVICE_MAX_SHUTDOWN_WAIT_TIME in project janusgraph by JanusGraph.

the class CQLConfigTest method shouldGracefullyCloseGraphWhichLostAConnection.

@Test
public void shouldGracefullyCloseGraphWhichLostAConnection() {
    WriteConfiguration wc = getConfiguration();
    wc.set(ConfigElement.getPath(EXECUTOR_SERVICE_MAX_SHUTDOWN_WAIT_TIME), 60000);
    wc.set(ConfigElement.getPath(PARALLEL_BACKEND_EXECUTOR_SERVICE_MAX_SHUTDOWN_WAIT_TIME), 60000);
    wc.set(ConfigElement.getPath(IDS_RENEW_TIMEOUT), 10000);
    wc.set(ConfigElement.getPath(CONNECTION_TIMEOUT), 10000);
    wc.set(ConfigElement.getPath(HEARTBEAT_TIMEOUT), 10000);
    if (graph != null && graph.isOpen()) {
        graph.close();
    }
    Set<Thread> threadsFromPossibleOtherOpenedConnections = Thread.getAllStackTraces().keySet().stream().filter(thread -> {
        String threadNameLowercase = thread.getName().toLowerCase();
        return thread.isAlive() && (threadNameLowercase.startsWith("cql") || threadNameLowercase.startsWith("janusgraph"));
    }).collect(Collectors.toSet());
    boolean flakyTest = !threadsFromPossibleOtherOpenedConnections.isEmpty();
    graph = (StandardJanusGraph) JanusGraphFactory.open(wc);
    assertDoesNotThrow(() -> {
        graph.traversal().V().hasNext();
        graph.tx().rollback();
    });
    Set<Thread> threadsToAwait = Thread.getAllStackTraces().keySet().stream().filter(thread -> {
        String threadNameLowercase = thread.getName().toLowerCase();
        return thread.isAlive() && !threadsFromPossibleOtherOpenedConnections.contains(thread) && (threadNameLowercase.startsWith("cql") || threadNameLowercase.startsWith("janusgraph"));
    }).collect(Collectors.toSet());
    cqlContainer.stop();
    graph.close();
    for (Thread thread : threadsToAwait) {
        if (thread.isAlive()) {
            if (flakyTest) {
                log.warn("Test shouldGracefullyCloseGraphWhichLostAConnection is currently running in flaky mode " + "because there were open instances available before the test started. " + "Thus, we don't fail this test because we can't be sure that current thread {} " + "is leaked or were created by other JanusGraph instances.", thread.getName());
            } else {
                fail("Thread " + thread.getName() + " was alive but expected to be terminated");
            }
        }
    }
}