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Date: Mon, 7 Aug 2017 19:03:00 +0000 (UTC)
From: "T Jake Luciani (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CASSANDRA-13737) Node start can fail if the
 base table of a materialized view is not found
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archived-at: Mon, 07 Aug 2017 19:03:16 -0000


    [ https://issues.apache.org/jira/browse/CASSANDRA-13737?page=3Dcom.atla=
ssian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=
=3D16117072#comment-16117072 ]=20

T Jake Luciani commented on CASSANDRA-13737:
--------------------------------------------

+1 assuming clean CI

> 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-1373=
7
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Distributed Metadata, Materialized Views
>            Reporter: Andr=C3=A9s de la Pe=C3=B1a
>            Assignee: Andr=C3=A9s de la Pe=C3=B1a
>             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 =3D self.cluster
> cluster.populate(3)
> cluster.start()
> node1, node2, node3 =3D self.cluster.nodelist()
> session =3D self.patient_cql_connection(node1, consistency_level=3DConsis=
tencyLevel.QUORUM)
> create_ks(session, 'ks', 3)
> session.execute('CREATE TABLE users (username varchar PRIMARY KEY, state =
varchar)')
> node3.stop(wait_other_notice=3DTrue)
> # 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 usernam=
e IS NOT NULL '
>                  'PRIMARY KEY (state, username)'))
> node1.stop(wait_other_notice=3DTrue)
> node2.stop(wait_other_notice=3DTrue)
> # drop the base table only in node 3
> node3.start(wait_for_binary_proto=3DTrue)
> session =3D self.patient_cql_connection(node3, consistency_level=3DConsis=
tencyLevel.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-9d=
8367a71c76
> =09at org.apache.cassandra.db.Keyspace.getColumnFamilyStore(Keyspace.java=
:215) ~[main/:na]
> =09at org.apache.cassandra.db.view.ViewManager.addView(ViewManager.java:1=
43) ~[main/:na]
> =09at org.apache.cassandra.db.view.ViewManager.reload(ViewManager.java:11=
3) ~[main/:na]
> =09at org.apache.cassandra.schema.Schema.alterKeyspace(Schema.java:618) ~=
[main/:na]
> =09at org.apache.cassandra.schema.Schema.lambda$merge$18(Schema.java:591)=
 ~[main/:na]
> =09at java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet.lambda$e=
ntryConsumer$0(Collections.java:1575) ~[na:1.8.0_131]
> =09at java.util.HashMap$EntrySet.forEach(HashMap.java:1043) ~[na:1.8.0_13=
1]
> =09at java.util.Collections$UnmodifiableMap$UnmodifiableEntrySet.forEach(=
Collections.java:1580) ~[na:1.8.0_131]
> =09at org.apache.cassandra.schema.Schema.merge(Schema.java:591) ~[main/:n=
a]
> =09at org.apache.cassandra.schema.Schema.mergeAndAnnounceVersion(Schema.j=
ava:564) ~[main/:na]
> =09at org.apache.cassandra.schema.MigrationTask$1.response(MigrationTask.=
java:89) ~[main/:na]
> =09at org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHan=
dler.java:53) ~[main/:na]
> =09at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTas=
k.java:72) ~[main/:na]
> =09at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:=
511) ~[na:1.8.0_131]
> =09at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0=
_131]
> =09at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecuto=
r.java:1142) ~[na:1.8.0_131]
> =09at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecut=
or.java:617) [na:1.8.0_131]
> =09at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLoc=
alDeallocator$0(NamedThreadFactory.java:81) [main/:na]
> =09at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_131]
> {code}


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