Jan Karlsson created CASSANDRA-16577:
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Summary: Node waits for schema agreement on removed nodes
Key: CASSANDRA-16577
URL: https://issues.apache.org/jira/browse/CASSANDRA-16577
Project: Cassandra
Issue Type: Bug
Components: Cluster/Gossip, Consistency/Bootstrap and Decommission
Reporter: Jan Karlsson
CASSANDRA-15158 might have introduced a bug where bootstrapping nodes wait for
schema agreement from nodes that have been removed if token allocation for
keyspace is enabled.
It is fairly easy to reproduce with the following steps:
{noformat}
// Create 3 node cluster
ccm create test --vnodes -n 3 -s -v 3.11.10
// Remove two nodes
ccm node2 decommission
ccm node3 decommission
ccm node2 remove
ccm node3 remove
// Create keyspace to change the schema. It works if the schema never changes.
ccm node1 cqlsh -x "CREATE KEYSPACE k WITH replication = {'class':
'SimpleStrategy', 'replication_factor': 1};"
// Add allocate parameter
ccm updateconf 'allocate_tokens_for_keyspace: k'
// Add node2 again to cluster
ccm add node2 -i 127.0.0.2 -j 7200 -r 2200
ccm node2 start{noformat}
This will cause node2 to throw exception on startup:
{noformat}
WARN [main] 2021-04-08 14:10:53,272 StorageService.java:941 - There are nodes
in the cluster with a different schema version than us we did not merged
schemas from, our version : (a5da47ec-ffe3-3111-b2f3-325f771f1539), outstanding
versions -> endpoints : {8e9ec79e-5ed2-3949-8ac8-794abfee3837=[/127.0.0.3]}
ERROR [main] 2021-04-08 14:10:53,274 CassandraDaemon.java:803 - Exception
encountered during startup
java.lang.RuntimeException: Didn't receive schemas for all known versions
within the timeout
at
org.apache.cassandra.service.StorageService.waitForSchema(StorageService.java:947)
~[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.dht.BootStrapper.allocateTokens(BootStrapper.java:206)
~[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.dht.BootStrapper.getBootstrapTokens(BootStrapper.java:177)
~[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.service.StorageService.joinTokenRing(StorageService.java:1073)
~[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.service.StorageService.initServer(StorageService.java:753)
~[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.service.StorageService.initServer(StorageService.java:687)
~[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:395)
[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:633)
[apache-cassandra-3.11.10.jar:3.11.10]
at
org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:786)
[apache-cassandra-3.11.10.jar:3.11.10]
INFO [StorageServiceShutdownHook] 2021-04-08 14:10:53,279
HintsService.java:209 - Paused hints dispatch
WARN [StorageServiceShutdownHook] 2021-04-08 14:10:53,280 Gossiper.java:1670 -
No local state, state is in silent shutdown, or node hasn't joined, not
announcing shutdown
INFO [StorageServiceShutdownHook] 2021-04-08 14:10:53,280
MessagingService.java:985 - Waiting for messaging service to quiesce
INFO [ACCEPT-/127.0.0.2] 2021-04-08 14:10:53,281 MessagingService.java:1346 -
MessagingService has terminated the accept() thread
INFO [StorageServiceShutdownHook] 2021-04-08 14:10:53,416
HintsService.java:209 - Paused hints dispatch{noformat}
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