Sam Tunnicliffe created CASSANDRA-15086:
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Summary: Illegal column names make legacy sstables unreadable in
3.0/3.x
Key: CASSANDRA-15086
URL: https://issues.apache.org/jira/browse/CASSANDRA-15086
Project: Cassandra
Issue Type: Bug
Components: Local/SSTable
Reporter: Sam Tunnicliffe
Assignee: Sam Tunnicliffe
CASSANDRA-10608 adds extra validation when decoding a bytebuffer representing a
legacy cellname. If the table is not COMPACT and the column name component of
the cellname refers to a primary key column, an IllegalArgumentException is
thrown. It looks like the original intent of 10608 was to prevent Thrift writes
from inserting these invalid cells, but the same code path is exercised on the
read path. The problem is that this kind of cells may exist in pre-3.0
sstables, either due to Thrift writes or through side loading of externally
generated SSTables. Following an upgrade to 3.0, these partitions become
unreadable, breaking both the read and compaction paths (and so also
upgradesstables). Scrub in 2.1 does not help here as it blindly reproduces the
invalid cells.
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