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https://issues.apache.org/jira/browse/CASSANDRA-16577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adam Holmberg updated CASSANDRA-16577:
--------------------------------------
    Reviewers: Andres de la Peña, Adam Holmberg  (was: Adam Holmberg, Andres de 
la Peña)
               Andres de la Peña, Adam Holmberg  (was: Andres de la Peña)
       Status: Review In Progress  (was: Patch Available)

> 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
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 4.0, 3.0.x, 3.11.x, 4.0-beta
>
>
> 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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