Alex wrote:
Alex wrote:
Alex wrote:
When I attempt to start the first controller of a pair (in a
horizontal scalability setup), I get "not the last man down" error:
==========8<=============
14:49:53,335 INFO controller.virtualdatabase.myDB Recovery log size: 0
14:49:53,336 INFO controller.virtualdatabase.myDB Using Hedera
properties file: /hedera_jgroups.properties
-------------------------------------------------------
GMS: address is 192.168.0.128:32792
-------------------------------------------------------
14:49:58,134 INFO controller.virtualdatabase.myDB Group myDB
connected to Member(address=/192.168.0.128:32792, uid=myDB)
14:49:58,134 INFO controller.virtualdatabase.myDB First controller
in group myDB
14:49:59,172 ERROR controller.xml.DatabasesParser The virtual
database myDB could not be added to the controller (because of Error
while joining group myDB
(org.continuent.sequoia.common.exceptions.VirtualDatabaseException:
NOT STARTING VDB (not the last man down).))
java.lang.Exception: Error while joining group myDB
(org.continuent.sequoia.common.exceptions.VirtualDatabaseException:
NOT STARTING VDB (not the last man down).)
at
org.continuent.sequoia.controller.virtualdatabase.DistributedVirtualDatabase.joinGroup(DistributedVirtualDatabase.java:767)
at
org.continuent.sequoia.controller.xml.DatabasesParser.endElement(DatabasesParser.java:702)
==========8<=============
I'm not sure exactly what it's saying here. Is this problem caused
by having the virtual database auto-loading? (Because it tries
loading with only one controller there, presumably, if that's the
problem...)
Btw, I've changed the "autoEnableBackends" option to false in my
controller.xml, and still no joy, so I don't think that is the issue....
Would also like to add that there aren't any other controllers still
running elsewhere, which is what the error made me think of!
Alex
Just to add yet more:
I've come to the understanding that the error indicates that the
controller is not the last one shutdown (by which it means "disable"
command I presume?), and that one should start controllers in the
reverse order that they were shut down.
Thing is, how do I fix the current muddle? The controllers on both
machines report they are "not the last man down" when I try them. Do I
have to reset some state somewhere or delete a file somewhere?
ta,
Alex
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