[CASSANDRA-1111] describe_ring() throws on single node clusters and/or probably clusters without a replication factor

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 0.6.3, 0.7 beta 1
• Labels: describe_ring exception replication

Environment

Mac OS X Snow Leopard

• Severity: Normal
• Assignee: Gary Dusbabek
• Reporter: Dominic Williams

Authors

Gary Dusbabek

• Created: 20/May/10 14:12
• Updated: 16/Apr/19 09:33
• Resolved: 28/May/10 19:28

Description

You use Thrift to call describe_ring() on a cluster with only a single node. The Thrift connection is broken, and the system.log shows the exception that has been thrown:

ERROR [pool-1-thread-15] 2010-05-20 13:15:24,753 TThreadPoolServer.java (line 259) Error occurred during processing of message.
java.lang.RuntimeException: No replica strategy configured for L1AbuseReports
at org.apache.cassandra.service.StorageService.getReplicationStrategy(StorageService.java:246)
at org.apache.cassandra.service.StorageService.constructRangeToEndPointMap(StorageService.java:457)
at org.apache.cassandra.service.StorageService.getRangeToAddressMap(StorageService.java:443)
at org.apache.cassandra.service.StorageService.getRangeToEndPointMap(StorageService.java:433)
at org.apache.cassandra.thrift.CassandraServer.describe_ring(CassandraServer.java:628)
at org.apache.cassandra.thrift.Cassandra$Processor$describe_ring.process(Cassandra.java:1781)
at org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:1125)
at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253)
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:637)