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https://issues.apache.org/jira/browse/CASSANDRA-10468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14958673#comment-14958673
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Sylvain Lebresne commented on CASSANDRA-10468:
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Correct, there is problems with the reversed case (on top of the one you
mention, we also don't properly reverse the name comparator). Pushed a fix
[here|https://github.com/pcmanus/cassandra/commits/10468-followup] that also
include a unit test for all this.
> Fix class-casting error in mixed clusters for 2.2->3.0 upgrades
> ---------------------------------------------------------------
>
> Key: CASSANDRA-10468
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10468
> Project: Cassandra
> Issue Type: Sub-task
> Reporter: Jim Witschey
> Assignee: Sylvain Lebresne
> Fix For: 3.0.0 rc2
>
>
> Three upgrade tests:
> - {{upgrade_tests/cql_tests.py:TestCQL.cas_and_list_index_test}}
> - {{upgrade_tests/cql_tests.py:TestCQL.collection_and_regular_test}}
> - {{upgrade_tests/cql_tests.py:TestCQL.composite_index_collections_test}}
> fail on the upgrade path from 2.2 to 3.0. The failures can be found on CassCI
> here:
> [cas_and_list_index_test|http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/43/testReport/upgrade_tests.cql_tests/TestCQL/cas_and_list_index_test/]
> [collection_and_regular_test|http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/43/testReport/upgrade_tests.cql_tests/TestCQL/collection_and_regular_test/]
> [composite_index_collections_test|http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/43/testReport/upgrade_tests.cql_tests/TestCQL/composite_index_collections_test/]
> You can run these tests with the following command:
> {code}
> SKIP=false CASSANDRA_VERSION=binary:2.2.0 UPGRADE_TO=git:cassandra-3.0
> nosetests 2>&1 upgrade_tests/cql_tests.py:TestCQL.cas_and_list_index_test
> upgrade_tests/cql_tests.py:TestCQL.collection_and_regular_test
> upgrade_tests/cql_tests.py:TestCQL.composite_index_collections_test
> {code}
> Once [this dtest PR|https://github.com/riptano/cassandra-dtest/pull/586] is
> merged, these tests should also run with this upgrade path on normal 3.0 jobs.
> EDIT: the following test seems to fail with the same error:
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/41/testReport/upgrade_tests.cql_tests/TestCQL/null_support_test/
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