Amit Kumar created CASSANDRA-21365:
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Summary: No Bootstrap check when starting gossip
Key: CASSANDRA-21365
URL: https://issues.apache.org/jira/browse/CASSANDRA-21365
Project: Apache Cassandra
Issue Type: Bug
Components: Cluster/Gossip
Reporter: Amit Kumar
We had a node joining the cluster with -Dcassandra.join_ring=false, the node
was streaming data from other node (State: UJ and bootstrap = true). The node
gossip was restarted (stop & start) due to a maintainance event which caused
the node status to move the status from UJ -> UN without streaming all the data.
Code Reference:
[https://github.com/apache/cassandra/blob/cassandra-4.0/src/java/org/apache/cassandra/service/StorageService.java#L508]
Below are log (Node did not complete the streaming but moved the status from UJ
-> UN after gossip restart):
INFO [RMI TCP Connection(4)-10.134.160.29] 2026-04-09 20:45:48,005
StorageService.java:1219 - Joining ring by operator request
INFO [RMI TCP Connection(4)-10.134.160.29] 2026-04-09 20:45:48,060
StorageService.java:1732 - JOINING: waiting for ring information
INFO [RMI TCP Connection(4)-10.134.160.29] 2026-04-09 20:46:42,162
StorageService.java:1732 - JOINING: Starting to bootstrap...
WARN [RMI TCP Connection(2030)-10.134.163.199] 2026-04-13 03:02:37,604
StorageService.java:447 - Stopping gossip by operator request
WARN [RMI TCP Connection(2038)-10.134.163.199] 2026-04-13 03:15:38,965
StorageService.java:466 - Starting gossip by operator request
INFO [RMI TCP Connection(2038)-10.134.163.199] 2026-04-13 03:15:38,982
StorageService.java:2913 - Node /10.xxx.xxx.xxx:7000 state jump to NORMAL
Error logs:
ERROR [ReadStage-1] 2026-04-13 15:56:21,967
AbstractLocalAwareExecutorService.java:169 - Uncaught exception on thread
Thread[ReadStage-1,5,main]
java.lang.RuntimeException: Cannot service reads while bootstrapping!
at
org.apache.cassandra.db.ReadCommandVerbHandler.doVerb(ReadCommandVerbHandler.java:46)
at
org.apache.cassandra.net.InboundSink.lambda$new$0(InboundSink.java:78)
at org.apache.cassandra.net.InboundSink.accept(InboundSink.java:97)
at org.apache.cassandra.net.InboundSink.accept(InboundSink.java:45)
at
org.apache.cassandra.net.InboundMessageHandler$ProcessMessage.run(InboundMessageHandler.java:432)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at
org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:165)
at
org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$LocalSessionFutureTask.run(AbstractLocalAwareExecutorService.java:137)
at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:119)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:840)
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