i have seen this as well, is it a known issue?

On 18/06/2012 19:38, Gurpreet Singh wrote:

I found a fix for this one, rather a workaround.

I changed the rpc_server_type in cassandra.yaml, from hsha to sync, and the error went away. I guess, there is some issue with the thrift nonblocking server.

Thanks
Gurpreet

On Wed, May 16, 2012 at 7:04 PM, Gurpreet Singh <gurpreet.si...@gmail.com <mailto:gurpreet.si...@gmail.com>> wrote:

    Thanks Aaron. will do!


    On Mon, May 14, 2012 at 1:14 PM, aaron morton
    <aa...@thelastpickle.com <mailto:aa...@thelastpickle.com>> wrote:

        Are you using framed transport on the client side ?

        Try the Hector user list for hector specific help
        https://groups.google.com/forum/?fromgroups#!searchin/hector-users
        <https://groups.google.com/forum/?fromgroups#%21searchin/hector-users>

        Cheers

        -----------------
        Aaron Morton
        Freelance Developer
        @aaronmorton
        http://www.thelastpickle.com

        On 12/05/2012, at 5:44 AM, Gurpreet Singh wrote:

        This is hampering our testing of cassandra a lot, and our
        move to cassandra 1.0.9.
        Has anyone seen this before? Should I be trying a different
        version of cassandra?

        /G

        On Thu, May 10, 2012 at 11:29 PM, Gurpreet Singh
        <gurpreet.si...@gmail.com <mailto:gurpreet.si...@gmail.com>>
        wrote:

            Hi,
            i have created 1 node cluster of cassandra 1.0.9. I am
            setting this up for testing reads/writes.

            I am seeing the following error in the server system.log

            ERROR [Selector-Thread-7] 2012-05-10 22:44:02,607
            TNonblockingServer.java (line 467) Read an invalid frame
            size of 0. Are you using TFramedTransport on the client
            side?

            Initially i was using a old hector 0.7.x, but even after
            switching to hector 1.0-5 and thrift version 0.6.1, i
            still see this error.
            I am using 20 threads writing/reading from cassandra. The
            max write batch size is 10 with payload size constant per
            key to be 600 bytes.

            On the client side, i see Hector exceptions happenning
            coinciding with these messages on the server.

            Any ideas why these errors are happenning?

            Thanks
            Gurpreet







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