Cassandra CREATE KEYSPACE error

migration.cql

DROP KEYSPACE IF EXISTS "keyspacename";

CREATE KEYSPACE "keyspacename"
        WITH REPLICATION = {'class': 'SimpleStrategy', 'replication_factor': 1};

system.log

ERROR [MigrationStage:1] 2016-04-04 17:05:32,238 CassandraDaemon.java:229 - Exception in thread Thread[MigrationStage:1,5,main]
java.lang.AssertionError: null
        at org.apache.cassandra.db.DefsTables.updateKeyspace(DefsTables.java:406) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeKeyspaces(DefsTables.java:242) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeSchemaInternal(DefsTables.java:193) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:166) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager$2.runMayThrow(MigrationManager.java:394) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_79]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_79]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_79]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_79]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]
ERROR [SharedPool-Worker-1] 2016-04-04 17:05:32,244 QueryMessage.java:135 - Unexpected error during query
java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.AssertionError
        at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:376) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager.announce(MigrationManager.java:375) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager.announceNewKeyspace(MigrationManager.java:231) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager.announceNewKeyspace(MigrationManager.java:220) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.statements.CreateKeyspaceStatement.announceMigration(CreateKeyspaceStatement.java:104) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.statements.SchemaAlteringStatement.execute(SchemaAlteringStatement.java:80) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:260) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:122) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439) [apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335) [apache-cassandra-2.1.13.jar:2.1.13]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:32) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:324) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_79]
        at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164) [apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-2.1.13.jar:2.1.13]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]
Caused by: java.util.concurrent.ExecutionException: java.lang.AssertionError
        at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.7.0_79]
        at java.util.concurrent.FutureTask.get(FutureTask.java:188) ~[na:1.7.0_79]
        at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:372) ~[apache-cassandra-2.1.13.jar:2.1.13]
        ... 18 common frames omitted
Caused by: java.lang.AssertionError: null
        at org.apache.cassandra.db.DefsTables.updateKeyspace(DefsTables.java:406) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeKeyspaces(DefsTables.java:242) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeSchemaInternal(DefsTables.java:193) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:166) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager$2.runMayThrow(MigrationManager.java:394) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_79]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_79]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_79]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_79]
        ... 1 common frames omitted
ERROR [SharedPool-Worker-1] 2016-04-04 17:05:32,245 ErrorMessage.java:251 - Unexpected exception during request
java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.AssertionError
        at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:376) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager.announce(MigrationManager.java:375) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager.announceNewKeyspace(MigrationManager.java:231) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager.announceNewKeyspace(MigrationManager.java:220) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.statements.CreateKeyspaceStatement.announceMigration(CreateKeyspaceStatement.java:104) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.statements.SchemaAlteringStatement.execute(SchemaAlteringStatement.java:80) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:238) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:260) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:122) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:439) [apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:335) [apache-cassandra-2.1.13.jar:2.1.13]
        at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:32) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:324) [netty-all-4.0.23.Final.jar:4.0.23.Final]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_79]
        at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164) [apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [apache-cassandra-2.1.13.jar:2.1.13]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]
Caused by: java.util.concurrent.ExecutionException: java.lang.AssertionError
        at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.7.0_79]
        at java.util.concurrent.FutureTask.get(FutureTask.java:188) ~[na:1.7.0_79]
        at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:372) ~[apache-cassandra-2.1.13.jar:2.1.13]
        ... 18 common frames omitted
Caused by: java.lang.AssertionError: null
        at org.apache.cassandra.db.DefsTables.updateKeyspace(DefsTables.java:406) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeKeyspaces(DefsTables.java:242) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeSchemaInternal(DefsTables.java:193) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:166) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.service.MigrationManager$2.runMayThrow(MigrationManager.java:394) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[apache-cassandra-2.1.13.jar:2.1.13]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_79]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_79]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_79]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_79]
        ... 1 common frames omitted