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anishek commented on CASSANDRA-9023: ------------------------------------ I had tested with CassandraTables#insertWithoutTTL. You are probably testing CassandraTables#readWriteOperationsWithUpdatesHavingAPercentage, this test needs a pre requisite where in the insert test should be run manually (we wanted to change partition keys/ entries per partition etc so we did not explicitly have a dependency between them) to prepare cassandra with some data and simulate run time use case of update/insert with some percentage(here 70%) or operations being update. Since you would have run the test in isolation you are getting the null pointer as there is no data in db. > 2.0.13 write timeouts on driver > ------------------------------- > > Key: CASSANDRA-9023 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9023 > Project: Cassandra > Issue Type: Bug > Environment: For testing using only Single node > hardware configuration as follows: > cpu : > CPU(s): 16 > On-line CPU(s) list: 0-15 > Thread(s) per core: 2 > Core(s) per socket: 8 > Socket(s): 1 > NUMA node(s): 1 > Vendor ID: GenuineIntel > CPU MHz: 2000.174 > L1d cache: 32K > L1i cache: 32K > L2 cache: 256K > L3 cache: 20480K > NUMA node0 CPU(s): 0-15 > OS: > Linux version 2.6.32-504.8.1.el6.x86_64 (mockbu...@c6b9.bsys.dev.centos.org) > (gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) ) > Disk: There only single disk in Raid i think space is 500 GB used is 5 GB > Reporter: anishek > Assignee: Ariel Weisberg > Fix For: 2.0.15 > > Attachments: out_system.log > > > Initially asked @ > http://www.mail-archive.com/user@cassandra.apache.org/msg41621.html > Was suggested to post here. > If any more details are required please let me know -- This message was sent by Atlassian JIRA (v6.3.4#6332)