Can you please check that?
use jps
or ps -aux | grep java
to look for other java processes.
Could you please also provide the content of your graph.db/messages.log ?
It might be that somehow the grails plugin is started twice by grails leading
to this scenario.
Cheers
Michael
Am 10.07.2011
Thanks for the reply,
I'm not using Grails plugin, I'm using native embedded neo4j. I'm
redesigning my application just to make sure that I close the database after
use.
BTW, if I got that error again, would that mean that the database is
corrupted? Is there anyway to restore it?
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Hi,
This error usually means you have another process trying to new
EmbeddedGraphDatabaseService() to the same directory. The only way to have
multiple threads talk to the same database is by passing a reference to the
database to all threads that want it.
e.g.
new Thread() { x = new
no it is not corrupted
it is just a second instance accessing the same store
either from the same jvm or another
how and where do you start your embeddedgraphdb?
and if you don't shutdown the db cleanly it will have to recover at the next
start
Michael
mobile mail please excuse brevity and
How do you instantiate the GraphDatabase? Via resources.groovy? If so,
make sure to set a destroyMethod.
graphDatabaseService(EmbeddedGraphDatabase, 'my/path') { bean -
bean.destroyMethod = shutdown
}
Next thing to check if Grails reloading causes the error. You might
If I got this error what should I do with it, does it mean that the database
is corrupted?
java.lang.IllegalStateException: Unable to lock store
[web-app/WEB-INF/resources/db/neostore], this is usually caused by another
Neo4j kernel already running in this JVM for this particular store
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Hi!
Actually, it occurs when I deploy to Amazon EC2, which I don't have multiple
neo4j instances running. BTW, how can I check if there are multiple neo4j
instances?
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