Caleb Rackliffe created CASSANDRA-20146:
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Summary: SnapshotsTest#testExoticSnapshotNames fails on creation
of duplicate hard links
Key: CASSANDRA-20146
URL: https://issues.apache.org/jira/browse/CASSANDRA-20146
Project: Apache Cassandra
Issue Type: Bug
Components: Local/Snapshots, Test/dtest/java
Reporter: Caleb Rackliffe
It looks like snapshot names are perhaps not case-sensitive, and there is a
collision between "snapshot" and "Snapshot". In the logs, I see this when I run
{{testExoticSnapshotNames()}}:
{noformat}
WARN 16:45:44 Unable to create snapshot Snapshot for
distributed_test_keyspace.tbl
java.lang.RuntimeException: Tried to create duplicate hard link to
/private/var/folders/4d/zfjs7m7s6x5_l93k33r5k6680000gn/T/dtests17605712756058855626/node1/data2/distributed_test_keyspace/tbl-1b255f4def2540a60000000000000005/snapshots/Snapshot/oa-3-big-Data.db
at
org.apache.cassandra.io.util.FileUtils.createHardLink(FileUtils.java:174)
at
org.apache.cassandra.io.sstable.format.SSTableReader.createLinks(SSTableReader.java:1114)
at
org.apache.cassandra.io.sstable.format.SSTableReader.createLinks(SSTableReader.java:1096)
at
org.apache.cassandra.service.snapshot.TakeSnapshotTask.createSnapshot(TakeSnapshotTask.java:166)
at
org.apache.cassandra.service.snapshot.TakeSnapshotTask.call(TakeSnapshotTask.java:140)
at
org.apache.cassandra.service.snapshot.SnapshotManager.executeTask(SnapshotManager.java:526)
at
org.apache.cassandra.service.snapshot.SnapshotManager.takeSnapshot(SnapshotManager.java:419)
at
org.apache.cassandra.service.snapshot.SnapshotManager.takeSnapshot(SnapshotManager.java:435)
at
org.apache.cassandra.tools.NodeProbe.takeMultipleTableSnapshot(NodeProbe.java:933)
at
org.apache.cassandra.tools.nodetool.Snapshot.execute(Snapshot.java:97)
at
org.apache.cassandra.tools.NodeTool$NodeToolCmd.runInternal(NodeTool.java:393)
at
org.apache.cassandra.tools.NodeTool$NodeToolCmd.run(NodeTool.java:378)
at org.apache.cassandra.tools.NodeTool.execute(NodeTool.java:277)
{noformat}
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