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From Aleksandrs Saveljevs <Aleksandrs.Savelj...@zabbix.com>
Subject Re: Problems using Thrift API in C
Date Mon, 01 Aug 2011 07:41:49 GMT
No, at least not at the default logging level. However, we have solved 
the problem by checking out the latest revision of Thrift from the 
official repository, so it seems that it was not Cassandra's problem.

On 07/29/2011 10:13 PM, ruslan usifov wrote:
> Do you have any error messages in cassandra log?
>
> 2011/7/28 Aleksandrs Saveljevs <Aleksandrs.Saveljevs@zabbix.com
> <mailto:Aleksandrs.Saveljevs@zabbix.com>>
>
>     Dear all,
>
>     We are considering using Cassandra for storing gathered data in
>     Zabbix (see https://support.zabbix.com/__browse/ZBXNEXT-844
>     <https://support.zabbix.com/browse/ZBXNEXT-844> for more details).
>     Because Zabbix is written in C, we are considering using Thrift API
>     in C, too.
>
>     However, we are running into problems trying to get even the basic
>     code work. Consider the attached source code. This is essentially a
>     rewrite of the first part of the C++ example given at
>     http://wiki.apache.org/__cassandra/ThriftExamples#C.2B-__.2B-
>     <http://wiki.apache.org/cassandra/ThriftExamples#C.2B-.2B-> . If we
>     run it under strace, we see that it hangs on the call to recv() when
>     setting keyspace:
>
>     $ strace -s 64 ./test
>     ...
>     socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3
>     connect(3, {sa_family=AF_INET, sin_port=htons(9160),
>     sin_addr=inet_addr("127.0.0.1"__)}, 16) = 0
>     send(3,
>     "\0\0\0/\200\1\0\1\0\0\0\fset___keyspace\0\0\0\0\v\0\1\0\0\0\__vmy_keyspace\0",
>     47, 0) = 47
>     recv(3, ^C <unfinished ...>
>
>     If we run the C++ example, it passes this step successfully. Does
>     anybody know where the problem is? We are using Thrift 0.6.1 and
>     Cassandra 0.8.1.
>
>     Also, what is the current state of Thrift API in C? Can it be
>     considered stable? Has anybody used it successfully? Any examples?
>
>     Thanks,
>     Aleksandrs
>
>

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