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https://issues.apache.org/jira/browse/CASSANDRA-13737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16118102#comment-16118102
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ASF GitHub Bot commented on CASSANDRA-13737:
--------------------------------------------
Github user adelapena commented on the issue:
https://github.com/apache/cassandra-dtest/pull/4
Committed as
[959208749d70e5808aec144e87b73e90d56a7f91](https://github.com/apache/cassandra-dtest/commit/959208749d70e5808aec144e87b73e90d56a7f91)
> Node start can fail if the base table of a materialized view is not found
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-13737
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13737
> Project: Cassandra
> Issue Type: Bug
> Components: Distributed Metadata, Materialized Views
> Reporter: Andrés de la Peña
> Assignee: Andrés de la Peña
> Fix For: 3.0.x, 3.11.x, 4.x
>
>
> Node start can fail if the base table of a materialized view is not found,
> which is something that can happen under certain circumstances. There is a
> dtest reproducing the problem:
> {code}
> cluster = self.cluster
> cluster.populate(3)
> cluster.start()
> node1, node2, node3 = self.cluster.nodelist()
> session = self.patient_cql_connection(node1,
> consistency_level=ConsistencyLevel.QUORUM)
> create_ks(session, 'ks', 3)
> session.execute('CREATE TABLE users (username varchar PRIMARY KEY, state
> varchar)')
> node3.stop(wait_other_notice=True)
> # create a materialized view only in nodes 1 and 2
> session.execute(('CREATE MATERIALIZED VIEW users_by_state AS '
> 'SELECT * FROM users WHERE state IS NOT NULL AND username IS
> NOT NULL '
> 'PRIMARY KEY (state, username)'))
> node1.stop(wait_other_notice=True)
> node2.stop(wait_other_notice=True)
> # drop the base table only in node 3
> node3.start(wait_for_binary_proto=True)
> session = self.patient_cql_connection(node3,
> consistency_level=ConsistencyLevel.QUORUM)
> session.execute('DROP TABLE ks.users')
> cluster.stop()
> cluster.start() # Fails
> {code}
> This is the error during node start:
> {code}
> java.lang.IllegalArgumentException: Unknown CF
> 958ebc30-76e4-11e7-869a-9d8367a71c76
> at
> org.apache.cassandra.db.Keyspace.getColumnFamilyStore(Keyspace.java:215)
> ~[main/:na]
> at
> org.apache.cassandra.db.view.ViewManager.addView(ViewManager.java:143)
> ~[main/:na]
> at
> org.apache.cassandra.db.view.ViewManager.reload(ViewManager.java:113)
> ~[main/:na]
> at org.apache.cassandra.schema.Schema.alterKeyspace(Schema.java:618)
> ~[main/:na]
> at org.apache.cassandra.schema.Schema.lambda$merge$18(Schema.java:591)
> ~[main/:na]
> at
> java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet.lambda$entryConsumer$0(Collections.java:1575)
> ~[na:1.8.0_131]
> at java.util.HashMap$EntrySet.forEach(HashMap.java:1043) ~[na:1.8.0_131]
> at
> java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet.forEach(Collections.java:1580)
> ~[na:1.8.0_131]
> at org.apache.cassandra.schema.Schema.merge(Schema.java:591) ~[main/:na]
> at
> org.apache.cassandra.schema.Schema.mergeAndAnnounceVersion(Schema.java:564)
> ~[main/:na]
> at
> org.apache.cassandra.schema.MigrationTask$1.response(MigrationTask.java:89)
> ~[main/:na]
> at
> org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:53)
> ~[main/:na]
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
> ~[main/:na]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_131]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_131]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[na:1.8.0_131]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_131]
> at
> org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81)
> [main/:na]
> at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_131]
> {code}
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