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From puneet loya <puneetl...@gmail.com>
Subject Re: cassandra and .net
Date Tue, 10 Apr 2012 09:23:32 GMT
Log is showing the following exception

DEBUG [ScheduledTasks:1] 2012-04-10 14:49:29,654 LoadBroadcaster.java (line
86) Disseminating load info ...
DEBUG [Thrift:7] 2012-04-10 14:50:00,820 CustomTThreadPoolServer.java (line
197) Thrift transport error occurred during processing of message.
org.apache.thrift.transport.TTransportException
at
org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
at
org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:129)
at
org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
at
org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
at
org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
at
org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
at
org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2877)
at
org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
DEBUG [Thrift:7] 2012-04-10 14:50:00,820 ClientState.java (line 104) logged
out: #<User allow_all groups=[]>

On Tue, Apr 10, 2012 at 11:24 AM, Maki Watanabe <watanabe.maki@gmail.com>wrote:

> Check your cassandra log.
> If you can't find any interesting log, set cassandra log level
> to DEBUG and run your program again.
>
> maki
>
> 2012/4/10 puneet loya <puneetloya@gmail.com>:
> > hi,
> >
> > sorry i posted the port as 7000. I m using 9160 but still has the same
> > error.
> >
> > "Cannot read, Remote side has closed".
> > Can u guess whats happening??
> >
> > On Tue, Apr 10, 2012 at 11:00 AM, Pierre Chalamet <pierre@chalamet.net>
> > wrote:
> >>
> >> hello,
> >>
> >> 9160 is probably the port to use if you use the default config.
> >>
> >> - Pierre
> >>
> >> On Apr 10, 2012, at 7:26 AM, puneet loya <puneetloya@gmail.com> wrote:
> >>
> >> > using System;
> >> > using System.Collections.Generic;
> >> > using System.Linq;
> >> > using System.Text;
> >> > using Thrift.Collections;
> >> > using Thrift.Protocol;
> >> > using Thrift.Transport;
> >> > using Apache.Cassandra;
> >> >
> >> > namespace ConsoleApplication1
> >> > {
> >> >     class Program
> >> >     {
> >> >         static void Main(string[] args)
> >> >         {
> >> >             TTransport transport=null;
> >> >             try
> >> >             {
> >> >                 transport = new TBufferedTransport(new
> >> > TSocket("127.0.0.1", 7000));
> >> >
> >> >
> >> >                 //if(buffered)
> >> >                 //            trans = new TBufferedTransport(trans as
> >> > TStreamTransport);
> >> >                 //if (framed)
> >> >                 //    trans = new TFramedTransport(trans);
> >> >
> >> >                 TProtocol protocol = new TBinaryProtocol(transport);
> >> >                 Cassandra.Client client = new
> >> > Cassandra.Client(protocol);
> >> >
> >> >                 Console.WriteLine("Opening connection");
> >> >
> >> >                 if (!transport.IsOpen)
> >> >                     transport.Open();
> >> >
> >> >                 client.describe_keyspace("abc");               //
> >> > Crashing at this point
> >> >
> >> >           }
> >> >             catch (Exception ex)
> >> >             {
> >> >                 Console.WriteLine(ex.Message);
> >> >             }
> >> >             finally
> >> >             { if(transport!=null)
> >> >                 transport.Close(); }
> >> >             Console.ReadLine();
> >> >         }
> >> >     }
> >> > }
> >> >
> >> > I m trying to interact with cassandra server(database) from .net. For
> >> > that i have referred two libraries i.e, apacheCassandra08.dll and
> >> > thrift.dll.. In the following piece of code the connection is getting
> opened
> >> > but when i m using client object it is giving an error stating
> "Cannot read,
> >> > Remote side has closed".
> >> >
> >> > Can any1 help me out with this? Has any1 faced the same prob?
> >> >
> >> >
> >
> >
>

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