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Posted to commits@cassandra.apache.org by "Andrés de la Peña (JIRA)" <ji...@apache.org> on 2017/08/07 19:21:00 UTC
[jira] [Comment Edited] (CASSANDRA-13737) Node start can fail if
the base table of a materialized view is not found
[ https://issues.apache.org/jira/browse/CASSANDRA-13737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110650#comment-16110650 ]
Andrés de la Peña edited comment on CASSANDRA-13737 at 8/7/17 7:20 PM:
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Here is a very simple patch that simply ignores (and warns about) the internal addition of materialized views whose base table is unknown:
||[3.0|https://github.com/apache/cassandra/compare/cassandra-3.0...adelapena:13737-3.0]||[3.11|https://github.com/apache/cassandra/compare/cassandra-3.11...adelapena:13737-3.11]||[trunk|https://github.com/apache/cassandra/compare/trunk...adelapena:13737-trunk]||[dtest|https://github.com/apache/cassandra-dtest/compare/master...adelapena:13737]
was (Author: adelapena):
Here is a very simple patch that simply ignores (and warns about) the internal addition of materialized views whose base table is unknown:
||[3.0|https://github.com/apache/cassandra/compare/cassandra-3.0...adelapena:13737-3.0]||[3.11|https://github.com/apache/cassandra/compare/cassandra-3.11...adelapena:13737-3.11]||[trunk|https://github.com/apache/cassandra/compare/cassandra-3.0...adelapena:13737-trunk]||[dtest|https://github.com/apache/cassandra-dtest/compare/master...adelapena:13737]
> 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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