Java Driver - check if connection is successful

[Jesse Pinkelmann]

hello,

this is my connection. now when I dont start the mongo server, but execute the code, the MongoSocketOpenException wont be catched and first "Mongo established" appears and then a stacktrace of MongoSocketOpenException caused by ConnectException happens. How can I really check if the connection was successful? i'm using 3.2.2 sync driver java

if(client != null && !client.isLocked()) {
    return false;
}
CodecRegistry codecRegistry = CodecRegistries.fromRegistries(
        CodecRegistries.fromCodecs(new UuidCodec(UuidRepresentation.STANDARD)),
        MongoClient.getDefaultCodecRegistry()
);
MongoClientOptions options = MongoClientOptions.builder().codecRegistry(codecRegistry)
        .build();
MongoCredential credential = MongoCredential.createCredential(Flawbase.getTheConfig().getMongo().getUser(), "sexyMovies", Flawbase.getTheConfig().getMongo().getPw().toCharArray());
ServerAddress db = new ServerAddress(Flawbase.getTheConfig().getMongo().getIp(), Flawbase.getTheConfig().getMongo().getPort());
try {
    client = new MongoClient(db, Collections.singletonList(credential), options);
    database = client.getDatabase("sexyMovies");
    test = database.getCollection("test");
    FlawlordUtils.log(Flawbase.getPluginName() + " Mongo established.");
} catch (MongoException e) {
    System.out.println(Flawbase.getPluginName() + " Could not connect to mongo!");
    e.printStackTrace();
    return false;
}
return true;

Code hier eingeben...

[Justin Lee]

You could use client.listDatabases() which would connect to the database immediately and error out on connection failure.

--------------------------------

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