Indexes: CF MBeans for automatic indexes are never unregistered when they are deleted. --------------------------------------------------------------------------------------
Key: CASSANDRA-1843 URL: https://issues.apache.org/jira/browse/CASSANDRA-1843 Project: Cassandra Issue Type: Bug Affects Versions: 0.7.0 rc 1 Reporter: Jon Hermes Assignee: Jon Hermes Priority: Minor Fix For: 0.7.0 rc 2 Add, delete, and add the same index and you should get a stacktrace to this effect: {noformat} java.lang.RuntimeException: javax.management.InstanceAlreadyExistsException: org.apache.cassandra.db:type=IndexColumnFamilies,keyspace=Keyspace1,columnfamily=Standard1.616765 at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:259) at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:447) at org.apache.cassandra.db.ColumnFamilyStore.addIndex(ColumnFamilyStore.java:304) at org.apache.cassandra.db.ColumnFamilyStore.reload(ColumnFamilyStore.java:193) at org.apache.cassandra.db.migration.UpdateColumnFamily.applyModels(UpdateColumnFamily.java:80) at org.apache.cassandra.db.migration.Migration.apply(Migration.java:171) at org.apache.cassandra.thrift.CassandraServer$2.call(CassandraServer.java:663) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) 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:662) Caused by: javax.management.InstanceAlreadyExistsException: org.apache.cassandra.db:type=IndexColumnFamilies,keyspace=Keyspace1,columnfamily=Standard1.616765 at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:963) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312) at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482) at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:255) ... 11 more{noformat} CFS.reload() manages index deletion, but never unregisters the MBeans it creates during initialization. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.