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
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> > 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 > >