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https://issues.apache.org/jira/browse/CASSANDRA-20146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17906161#comment-17906161
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Stefan Miklosovic commented on CASSANDRA-20146:
-----------------------------------------------
I am thinking if there should not be a check in prod code that snapshots names
with upper cases are not supported on Mac because then it throws like this when
its version with lowercase is going to be created.
> 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
> Priority: Normal
> Fix For: 5.x
>
>
> 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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