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https://issues.apache.org/jira/browse/CASSANDRA-10468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict reopened CASSANDRA-10468:
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While the pre-patched code was incorrect, the patch appears to only fix
ascending iteration. In reverse, it looks to now walk backwards from the first
complex index through all simple items, so will typically result in either an
index out of bounds or classcastexception. It should probably utilise
{{firstComplexIdx}} or otherwise refactor the class properties.
> 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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