You must be using an old Cassandra and/or nodetool; current nodetool calls forceBlockingFlush which does not try to return a Future over JMX.
On Wed, Apr 20, 2011 at 9:38 AM, Desimpel, Ignace <ignace.desim...@nuance.com> wrote: > Using own JMX java code and when using the NodeTool I get the following > exception when calling the forceFlush function. > > But it seems that the flushing itself is started although the exception > occurred. > > Any idea? > > (running jdk 1.6, 64 bits) > > > > Ignace > > > > 2011-04-20 16:23:45 INFO ColumnFamilyStore - Enqueuing flush of > Memtable-ReverseIntegerValues@75939304(2274472 bytes, 48892 operations) > > 2011-04-20 16:23:45 INFO Memtable - Writing > Memtable-ReverseIntegerValues@75939304(2274472 bytes, 48892 operations) > > java.rmi.UnmarshalException: error unmarshalling return; nested exception > is: > > java.io.WriteAbortedException: writing aborted; > java.io.NotSerializableException: java.util.concurrent.FutureTask > > at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:173) > > at com.sun.jmx.remote.internal.PRef.invoke(Unknown Source) > > at javax.management.remote.rmi.RMIConnectionImpl_Stub.invoke(Unknown > Source) > > at > javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.invoke(RMIConnector.java:993) > > at > javax.management.MBeanServerInvocationHandler.invoke(MBeanServerInvocationHandler.java:288) > > at $Proxy7.forceFlush(Unknown Source) > > at > be.landc.services.search.server.db.indexsearch.store.cassandra.CassandraStore$CassNodeProbe.doRepairAll(CassandraStore.java:160) > > at > be.landc.services.search.server.db.indexsearch.store.cassandra.CassandraStore$CassNodeProbe.run(CassandraStore.java:141) > > Caused by: java.io.WriteAbortedException: writing aborted; > java.io.NotSerializableException: java.util.concurrent.FutureTask > > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1332) > > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350) > > at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:306) > > at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:155) > > ... 7 more > > Caused by: java.io.NotSerializableException: java.util.concurrent.FutureTask > > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164) > > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330) > > at sun.rmi.server.UnicastRef.marshalValue(UnicastRef.java:274) > > at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:315) > > at sun.rmi.transport.Transport$1.run(Transport.java:159) > > at java.security.AccessController.doPrivileged(Native Method) > > at sun.rmi.transport.Transport.serviceCall(Transport.java:155) > > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535) > > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) > > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > > at java.lang.Thread.run(Thread.java:662) > > 2011-04-20 16:23:45 INFO SearchServer - ==>>> Starting flush for column > family : SearchSpace / ForwardLongValues > > 2011-04-20 16:23:45 INFO ColumnFamilyStore - Enqueuing flush of > Memtable-ForwardLongValues@710396564(26780468 bytes, 623958 operations) -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com