Opps. Yep, thanks!
On Wed, Mar 17, 2010 at 1:47 PM, Jonathan Ellis <jbel...@gmail.com> wrote:
> You didn't call tr.open() ?
>
> On Wed, Mar 17, 2010 at 3:45 PM, Sonny Heer <sonnyh...@gmail.com> wrote:
>> I'm getting:
>> org.apache.thrift.transport.TTransportException: Cannot write to null
>> outputStream
>> at
>> org.apache.thrift.transport.TIOStreamTransport.write(TIOStreamTransport.java:137)
>> at
>> org.apache.thrift.protocol.TBinaryProtocol.writeI32(TBinaryProtocol.java:152)
>> at
>> org.apache.thrift.protocol.TBinaryProtocol.writeMessageBegin(TBinaryProtocol.java:80)
>> at
>> org.apache.cassandra.service.Cassandra$Client.send_get_string_property(Cassandra.java:681)
>> at
>> org.apache.cassandra.service.Cassandra$Client.get_string_property(Cassandra.java:675)
>> at
>> com.atsid.cassandra.ngram.test.TestRingConnection.main(TestRingConnection.java:26)
>>
>>
>> when running:
>>
>> TTransport tr = new TSocket("localhost", 9160);
>> TProtocol proto = new TBinaryProtocol(tr);
>> Cassandra.Client client = new Cassandra.Client(proto);
>> try {
>> String jsonServerList =
>> client.get_string_property("token map");
>>
>>
>> What am I doing wrong here?
>>
>> On Wed, Mar 17, 2010 at 11:33 AM, Sonny Heer <sonnyh...@gmail.com> wrote:
>>> Cool thanks Todd. I'd be interested at some point to see the updated
>>> .6 version as well. Thanks again!
>>>
>>> On Wed, Mar 17, 2010 at 9:24 AM, B. Todd Burruss <bburr...@real.com> wrote:
>>>> below is the commented out code i once used. i think it is from the 0.5
>>>> days, so it might not even work now. not sure. the bootstrapHostArr is
>>>> simply a list of host information used to bootstrap the process.
>>>> connectToHost is a method used to generate a Cassandra.Client object.
>>>> there is sample code on cassandra wiki for doing this. good luck!
>>>>
>>>> // can't use this on cassandra because the tokens returned are for the
>>>> "internal cassandra server comm", not the thrift IPs
>>>> // String hostList = null;
>>>> // for ( HostInfo hi : bootstrapHostArr ) {
>>>> // Cassandra.Client client = null;
>>>> // try {
>>>> // client = connectToHost( hi.getHostName(), hi.getPort() );
>>>> // hostList = client.get_string_property( "token map" );
>>>> // break;
>>>> // }
>>>> // catch ( TTransportException e ) {
>>>> // logger.error( "cannot connect to bootstrap node - will
>>>> try
>>>> another if available : " + hi.getNameAndPort() );
>>>> // }
>>>> // catch ( TException e ) {
>>>> // logger.error( "cannot retrieve host list from node - will
>>>> try another if available : " + hi.getNameAndPort() );
>>>> // }
>>>> // finally {
>>>> // if ( null != client ) {
>>>> // disconnectFromCluster( client );
>>>> // }
>>>> // }
>>>> // }
>>>> // // if ( null != hostList ) { //
>>>> ArrayList<String> newArr;
>>>> // try {
>>>> // JSONObject jsonObj = new JSONObject( hostList );
>>>> // String[] ringArr = JSONObject.getNames( jsonObj );
>>>> // newArr = new ArrayList<String>( ringArr.length );
>>>> // // for ( int i=0;i < ringArr.length;i++ ) {
>>>> // String hostName = jsonObj.getString( ringArr[i] );
>>>> // if ( !hostIgnoreSet.contains(hostName) ) {
>>>> // newArr.add( hostName );
>>>> // }
>>>> // }
>>>> // }
>>>> // catch ( JSONException e ) {
>>>> // throw new ClusterRuntimeException( "Could not parse JSON
>>>> returned from Cassandra - don't know what to do? ARRRRGGGG" );
>>>> // }
>>>>
>>>>
>>>> Sonny Heer wrote:
>>>>>
>>>>> Is there some example code on how to do this?
>>>>>
>>>>> On Tue, Mar 16, 2010 at 3:07 PM, Jonathan Ellis <jbel...@gmail.com> wrote:
>>>>>
>>>>>>
>>>>>> token map is an internal representation, so returning the internal IPs
>>>>>> is correct, even though this makes it slightly more difficult to use
>>>>>> for thrift clients.
>>>>>>
>>>>>> On Tue, Mar 16, 2010 at 4:55 PM, B. Todd Burruss <bburr...@real.com>
>>>>>> wrote:
>>>>>>
>>>>>>>
>>>>>>> if you choose #3 - get_string_property("token map") - keep in mind that
>>>>>>> the
>>>>>>> IPs returned from this call are the IPs used for "ListenAddress" param
>>>>>>> in
>>>>>>> storage-conf.xml. In my case we have two NICs and I set this to be an
>>>>>>> IP
>>>>>>> that is only for "node to node" communication. The "ThriftAddress"
>>>>>>> param is
>>>>>>> the one i really want. maybe this has been changed, "fixed" ;), haven't
>>>>>>> tested in a while.
>>>>>>>
>>>>>>> Jonathan Ellis wrote:
>>>>>>>
>>>>>>>>
>>>>>>>> http://wiki.apache.org/cassandra/FAQ#node_clients_connect_to
>>>>>>>>
>>>>>>>> On Tue, Mar 16, 2010 at 4:30 PM, Sonny Heer <sonnyh...@gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> How can I accomplish this?
>>>>>>>>>
>>>>>>>>> The way I'm doing it now it is creating a TSocket connection using a
>>>>>>>>> static IP of one of the boxes on Cassandra:
>>>>>>>>> TTransport tr = new TSocket(host, port.intValue());
>>>>>>>>> TProtocol proto = new TBinaryProtocol(tr);
>>>>>>>>> Cassandra.Client client = new Cassandra.Client(proto);
>>>>>>>>> tr.open();
>>>>>>>>>
>>>>>>>>> With a larger cluster I would imagine there is another preferred
>>>>>>>>> solution with no single point of failure (e.g. that one box goes
>>>>>>>>> down).
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>
>>>
>>
>
