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From "tzach (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-9628) "Unknown keyspace system_traces" exception when using nodetool on a new cluster
Date Sun, 21 Jun 2015 12:53:00 GMT
tzach created CASSANDRA-9628:
--------------------------------

             Summary: "Unknown keyspace system_traces" exception when using nodetool on a
new cluster
                 Key: CASSANDRA-9628
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9628
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: tzach
            Priority: Minor


When creating a new cluster from scratch,  nodetool status fails on system_traces as follow

{code}
$ nodetool status

error: Unknown keyspace system_traces
-- StackTrace --
java.lang.AssertionError: Unknown keyspace system_traces
	at org.apache.cassandra.db.Keyspace.<init>(Keyspace.java:270)
	at org.apache.cassandra.db.Keyspace.open(Keyspace.java:119)
	at org.apache.cassandra.db.Keyspace.open(Keyspace.java:96)
...
{code}

the problem disappear when creating an empty keyspace
{code}
cqlsh> create keyspace temp WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor'
: 2 };
{code}
My guess is system_traces initialization complete only after any data insertion.
Before it does, any attempt to read  from it either from nodetool, cqlsh or streaming to a
new node will fail.



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