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  1. Java Driver
  2. JAVA-162

Unable to connection to a set of slave servers

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    • Icon: Bug Bug
    • Resolution: Won't Fix
    • Icon: Major - P3 Major - P3
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    • Cluster Management
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    Description

      If you pass in a list of servers, one must be master. If you just want to connect to a slave, do "new Mongo(new ServerAddress(ip))".

      On Tue, Sep 7, 2010 at 10:46 AM, Joseph Wang <josephykwang@yahoo.com> wrote:

      String[] servers = server_list.split(",");
      ArrayList<ServerAddress> addr = new ArrayList<ServerAddress>();
      int serverCount = 0;
      for (int i = 0; i < servers.length; ++i) {
      String[] serverInfo = servers[i].split(":");

      try {
      if (serverInfo.length == SERVER_INFORMATION_FIELD_SIZE)

      { System.out.println("MongoConnnection: add server " + serverInfo[SERVER_NAME_FIELD] + " at port " + serverInfo[SERVER_PORT_FIELD]); ServerAddress host = new ServerAddress( serverInfo[SERVER_NAME_FIELD], Integer.parseInt(serverInfo[SERVER_PORT_FIELD])); addr.add(host); serverCount++; }

      } catch (Exception ex) {

      }
      }

      if (serverCount > 0)

      { m = new Mongo(addr, opt); }

      From: Kristina Chodorow <kristina@10gen.com>
      To: mongodb-user@googlegroups.com
      Sent: Tue, September 7, 2010 7:16:19 AM
      Subject: Re: [mongodb-user] Java Driver Failed to Connect to Slaves

      What does your code look like? Are you calling "new Mongo(ip1, ip2)"? If you're connecting to a slave, you should just say "new Mongo(ip1)".

      On Tue, Sep 7, 2010 at 1:01 AM, Joseph Wang <josephykwang@yahoo.com> wrote:

      MongoConnnection: add server ip-10-160-86-4 at port 10000
      MongoConnnection: add server ip-10-161-50-230 at port 10000
      ...

      SEVERE: switched to: ip-10-160-86-4:10000 but isn't master
      Sep 7, 2010 12:58:04 AM com.mongodb.DBTCPConnector _pickInitial
      SEVERE: can't pick initial master, using random one
      com.mongodb.MongoException: can't find master
      at com.mongodb.DBTCPConnector._pickInitial(DBTCPConnector.java:422)
      at com.mongodb.Mongo.<init>(Mongo.java:177)

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            eliot Eliot Horowitz (Inactive)
            josephykwang Joseph Wang
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              Updated:
              Resolved: