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https://issues.apache.org/jira/browse/CASSANDRA-1768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Dusbabek updated CASSANDRA-1768:
-------------------------------------
Attachment: v0-0001-fix-add-remove-index-bugs-in-CFMetadata.txt
> UnsupportedOperationException in system_update_column_family
> ------------------------------------------------------------
>
> Key: CASSANDRA-1768
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1768
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.7.0
> Reporter: T Jake Luciani
> Assignee: Gary Dusbabek
> Attachments: v0-0001-fix-add-remove-index-bugs-in-CFMetadata.txt
>
>
> During testing I hit this section of code:
> CFMetaData.java:662
> {code}
> // remove the ones leaving.
> for (ByteBuffer indexName : toRemove)
> column_metadata.remove(indexName);
> {code}
> but column_metadata is defined as:
> {code}
> this.column_metadata = Collections.unmodifiableMap(column_metadata);
> {code}
> So remove() will throw an exception.
> {code}
> java.lang.UnsupportedOperationException
> at java.util.Collections$UnmodifiableMap.remove(Collections.java:1288)
> at org.apache.cassandra.config.CFMetaData.apply(CFMetaData.java:662)
> at
> org.apache.cassandra.db.migration.UpdateColumnFamily.<init>(UpdateColumnFamily.java:56)
> at
> org.apache.cassandra.thrift.CassandraServer.system_update_column_family(CassandraServer.java:863)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$system_update_column_family.process(Cassandra.java:3592)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2555)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:167)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:680)
> {code}
> This was introduced by CASSANDRA-1715
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