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From Tzach Livyatan <tz...@cloudius-systems.com>
Subject Re: Fail to add a node to a cluster - Unknown keyspace system_traces
Date Tue, 19 May 2015 12:59:11 GMT
More finding on the problem:
1. the problem present itself when using nodetool status

$ 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)
...

2. the problem disappear when I create an empty keyspace

cqlsh> create keyspace temp WITH REPLICATION = { 'class' :
'SimpleStrategy', 'replication_factor' : 2 };

$ nodetool status
Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address       Load       Tokens  Owns    Host ID
        Rack
UN  172.31.44.38  118.31 KB  256     ?
e5e97978-b048-46d8-936b-88b544459856  rack1
UN  172.31.44.39  106.48 KB  256     ?
6b021cd9-2fd0-44f4-afea-d01f0b64c45c  rack1

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.


On Mon, May 18, 2015 at 3:33 PM, Tzach Livyatan <tzach@cloudius-systems.com>
wrote:

> I have a dev cluster of two Cassandra 2.12 servers on EC2
> When adding a new server, I get a
> "Streaming error occurred java.lang.AssertionError: Unknown keyspace
> system_traces"
> exception on the cluster (not the new) server (full log below).
>
> Indeed, when I cqlsh to the cluster server, I see the following:
> cqlsh> DESCRIBE KEYSPACES;
>
> system_traces  system
>
> cqlsh> use system_traces;
> code=2200 [Invalid query] message="Keyspace 'system_traces' does not exist"
>
> While
> cqlsh> DESCRIBE KEYSPACE system_traces;
> Do works!
>
> Is it a bug? feature?
>
> Thanks
> Tzach
>
>
>
> Full log from adding a node:
> INFO  [STREAM-INIT-/172.31.19.130:48054] 2015-05-18 11:36:17,734
> StreamResultFuture.java:109 - [Stream #18f25dc0-fd52-11e4-a00a-c1b81a3b68f5
> ID#0] Creating new streaming plan for Bootst
> rap
> INFO  [STREAM-INIT-/172.31.19.130:48054] 2015-05-18 11:36:17,735
> StreamResultFuture.java:116 - [Stream
> #18f25dc0-fd52-11e4-a00a-c1b81a3b68f5, ID#0] Received streaming plan for
> Bootstrap
> INFO  [STREAM-INIT-/172.31.19.130:48055] 2015-05-18 11:36:17,736
> StreamResultFuture.java:116 - [Stream
> #18f25dc0-fd52-11e4-a00a-c1b81a3b68f5, ID#0] Received streaming plan for
> Bootstrap
> ERROR [STREAM-IN-/172.31.19.130] 2015-05-18 11:36:17,777
> StreamSession.java:472 - [Stream #18f25dc0-fd52-11e4-a00a-c1b81a3b68f5]
> Streaming error occurred
> java.lang.AssertionError: Unknown keyspace system_traces
> at org.apache.cassandra.db.Keyspace.<init>(Keyspace.java:273)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at org.apache.cassandra.db.Keyspace.open(Keyspace.java:122)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at org.apache.cassandra.db.Keyspace.open(Keyspace.java:99)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.streaming.StreamSession.getColumnFamilyStores(StreamSession.java:280)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.streaming.StreamSession.addTransferRanges(StreamSession.java:257)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.streaming.StreamSession.prepare(StreamSession.java:488)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.streaming.StreamSession.messageReceived(StreamSession.java:420)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.streaming.ConnectionHandler$IncomingMessageHandler.run(ConnectionHandler.java:251)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
>

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