> Hi,

> I used the rs command in mongo command shell and created a replica set,
> with 3 members. rs.status() command shows the 3 members, with one "PRIMARY"
> and the rest two "SECONDARY". All the "health" flags are 1.

> I followed the mongo-cxx-driver-v2.2/src/mongo/client/examples/rs.cpp, and
> wrote a mongo client replica program. The following code calls the
> connect(), and it works:

> string errmsg;
> ConnectionString cs = ConnectionString::parse(
> "server1:27017,server2:27017, server3:27017" , errmsg );

> DBClientReplicaSet * conn = static_cast<DBClientReplicaSet*>( cs.connect(
> errmsg, 30 ) );

> The c++ driver outputs the following messages to stdout, after the
> connect() call:

> Fri Oct 26 13:05:12 SyncClusterConnection connecting to [server1:27017]
> Fri Oct 26 13:05:13 SyncClusterConnection connecting to [server2:27017]
> Fri Oct 26 13:05:13 SyncClusterConnection connecting to [server3:27017]

> However, the insert() throws exception, with the text of
> "SyncClusterConnection::insert obj has to have an _id: {"...

> This is how a BSONObj is built:

> mongo::BSONObjBuilder builder;
> builder.append("tranname", value1);
> builder.append("tranid", value2);
> builder.append("time", value3);
> builder.append("xml", value4);

> mongo::BSONObj bson = builder.obj();
> conn->insert("collection_name", bson);
> I guess the problem is the way how BSONObj is built for
> DBClientReplicaSet. The BSONObj built works for DBClientConnection.

> Could anyone please shed the light?

> Thanks for your help.

> gli

> Hi,

> I used the rs command in mongo command shell and created a replica set,
> with 3 members. rs.status() command shows the 3 members, with one "PRIMARY"
> and the rest two "SECONDARY". All the "health" flags are 1.

> I followed the mongo-cxx-driver-v2.2/src/mongo/client/examples/rs.cpp, and
> wrote a mongo client replica program. The following code calls the
> connect(), and it works:

> string errmsg;
> ConnectionString cs = ConnectionString::parse(
> "server1:27017,server2:27017, server3:27017" , errmsg );

> DBClientReplicaSet * conn = static_cast<DBClientReplicaSet*>( cs.connect(
> errmsg, 30 ) );

> The c++ driver outputs the following messages to stdout, after the
> connect() call:

> Fri Oct 26 13:05:12 SyncClusterConnection connecting to [server1:27017]
> Fri Oct 26 13:05:13 SyncClusterConnection connecting to [server2:27017]
> Fri Oct 26 13:05:13 SyncClusterConnection connecting to [server3:27017]

> However, the insert() throws exception, with the text of
> "SyncClusterConnection::insert obj has to have an _id: {"...

> This is how a BSONObj is built:

> mongo::BSONObjBuilder builder;
> builder.append("tranname", value1);
> builder.append("tranid", value2);
> builder.append("time", value3);
> builder.append("xml", value4);

> mongo::BSONObj bson = builder.obj();
> conn->insert("collection_name", bson);
> I guess the problem is the way how BSONObj is built for
> DBClientReplicaSet. The BSONObj built works for DBClientConnection.

> Could anyone please shed the light?

> Thanks for your help.

> gli

> perhaps instantiates directly? ie:

>   DBClientReplicaSet * set = new DBClientReplicaSet( _setName , _servers
> , socketTimeout );
>             if( ! set->connect() ) {
>                 delete set;
>                 errmsg = "connect failed to set ";
>                 errmsg += toString();
>                 return 0;
>             }
>             return set;

> see client/dbclient.cpp for more details including the parse() method
> source.

> p.s. without diving deeper i don't know why it does that but it does...

> On Friday, October 26, 2012 5:27:33 PM UTC-4, gli wrote:

>> Hi,

>> I used the rs command in mongo command shell and created a replica set,
>> with 3 members. rs.status() command shows the 3 members, with one "PRIMARY"
>> and the rest two "SECONDARY". All the "health" flags are 1.

>> I followed the mongo-cxx-driver-v2.2/src/mongo/client/examples/rs.cpp,
>> and wrote a mongo client replica program. The following code calls the
>> connect(), and it works:

>> string errmsg;
>> ConnectionString cs = ConnectionString::parse(
>> "server1:27017,server2:27017, server3:27017" , errmsg );

>> DBClientReplicaSet * conn = static_cast<DBClientReplicaSet*>( cs.connect(
>> errmsg, 30 ) );

>> The c++ driver outputs the following messages to stdout, after the
>> connect() call:

>> Fri Oct 26 13:05:12 SyncClusterConnection connecting to [server1:27017]
>> Fri Oct 26 13:05:13 SyncClusterConnection connecting to [server2:27017]
>> Fri Oct 26 13:05:13 SyncClusterConnection connecting to [server3:27017]

>> However, the insert() throws exception, with the text of
>> "SyncClusterConnection::insert obj has to have an _id: {"...

>> This is how a BSONObj is built:

>> mongo::BSONObjBuilder builder;
>> builder.append("tranname", value1);
>> builder.append("tranid", value2);
>> builder.append("time", value3);
>> builder.append("xml", value4);

>> mongo::BSONObj bson = builder.obj();
>> conn->insert("collection_name", bson);
>> I guess the problem is the way how BSONObj is built for
>> DBClientReplicaSet. The BSONObj built works for DBClientConnection.

>> Could anyone please shed the light?

>> Thanks for your help.

>> gli