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500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue
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best practice for DB recovery

and have a number of applications connecting to it. I realize that I'm able to stand up read only replications ... two EntityManager instances you can use the ObjectDB master slave replication, and when the master fails
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Blocked by find

will be logged. See attached for a test which I think replicates the problem. It is a simple persist ... thread dump). I'll keep trying to find a test which replicates the problem consistently. Actually
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Eager load Map

. The attached code attempts to replicate the scenario. Its not an exact match but is the best I could come up with without replicating the whole system. The test creates an object, persists
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Glassfish 3.1.2.1 and ObjectDB 2.4.3

= replicated in BackingStoreFactoryRegistry SEVERE: Exception while visiting com/objectdb/o/BTI.class ... .adapter.cache.ShoalBackingStoreProxy for persistence-type = replicated in BackingStoreFactoryRegistry
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2

Intermittent Exception "Attempt to update types in read only mode"

no problems and everything works fine. Replication between the DB's is working fine and I see no errors in the logs. I can replicate this problem everytime and restarting the DB will resolve the issue
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2

Master database switching to read-only mode, possibly caused by slave failure

: [2012-04-04 19:25:59 #4 store] Database '/opt/objectdb/db/$replication/contextspace.odb' is closed by ... , which certainly rule out some options. The replication is implemented by a simple open socket between
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NoResultException: No matching results for a unique query

I am very often getting a "com.objectdb.o._NoResultException: No matching results for a unique query" when modifying my already persisted entities within a transaction. I cannot replicate ... again.. so I really cannot replicate it so appreciate any help!!   Alex The stack trace indicates
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Server connection management

to the application. Replication (introduced in ObjectDB 2.1) enables also specifying replicated servers
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Time Sequence Object Command DB

replicated databases in sync: you need only append new transactions on the end.  We find this very advantageous in collaboration where local replicated databases are used for performance reasons.     Note