[jira] [Created] (CASSANDRA-7531) Node replacement leads to null entries in system.peers

["Nicolas Favre-Felix (JIRA)" <ji...@apache.org>]

Nicolas Favre-Felix created CASSANDRA-7531:
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             Summary: Node replacement leads to null entries in system.peers
                 Key: CASSANDRA-7531
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7531
             Project: Cassandra
          Issue Type: Bug
            Reporter: Nicolas Favre-Felix


On 2.0.9, I'm still reproducing a similar behavior as in CASSANDRA-7122.
One node was replaced and it's no longer in nodetool status but still has null entries in system.peers:

{code}
 peer          | data_center | host_id                              | preferred_ip | rack    | release_version | rpc_address   | schema_version                       | tokens
---------------+-------------+--------------------------------------+--------------+---------+-----------------+---------------+--------------------------------------+--------------------------
  10.123.99.36 |         DC1 |                                 null |         null |    null |            null |          null |                                 null |                     null
 10.123.45.121 |         DC1 | e34b134c-c03e-464e-99a9-e3c022eed369 |         null | rack123 |  2.0.9-SNAPSHOT | 10.123.45.121 | e6b32c6b-f3f3-3350-9bd1-a9b8620d42ea |  {'4099276460824344804'}
  10.123.77.88 |         DC2 | fdd76fa0-0971-43d5-961b-452bd2821b31 |         null | rack456 |  2.0.9-SNAPSHOT |  10.123.77.88 | e6b32c6b-f3f3-3350-9bd1-a9b8620d42ea | {'-3074457345618258603'}
[...]
{code}

This causes errors to be logged from the datastax Java driver (2.0.2):

{code}
[main] ERROR com.datastax.driver.core.ControlConnection - No rpc_address found for host /10.123.99.36 in my.anonymized.host.name.com/10.123.45.66:9042's peers system table. That should not happen but using address /10.123.99.36 instead
{code}




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