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From "mwu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-5856) ERROR XSDB6:Another instance of Derby may have already booted the database under multiple JVM environment
Date Thu, 12 Jul 2012 04:51:33 GMT
mwu created DERBY-5856:
--------------------------

             Summary: ERROR XSDB6:Another instance of Derby may have already booted the database
under multiple JVM environment
                 Key: DERBY-5856
                 URL: https://issues.apache.org/jira/browse/DERBY-5856
             Project: Derby
          Issue Type: Bug
          Components: Eclipse Plug-in
    Affects Versions: 10.5.1.1
         Environment: Windows, eclipse
            Reporter: mwu


There are 2 JVM lauched in my environment, one JVM is trying to access the derby database
with url jdbc:derby:d:\location1\sample, another JVM is trying to access the another derby
db with url jdbc:derby:d:\location2\sample.
For each JVM, will create multiple connection during runtime. When one JVM has create serveral
connections from database, only one connection is allowed for another JVM. If I tried to create
more connection for another JVM, it will throw the exception:

 Caused by: java.sql.SQLException: Failed to start database 'd:\location2\sample.', see the
next exception for details.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
Source)
	... 71 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database
d:\location2\sample.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
	... 68 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database d:\location2\sample.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.privGetJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.getJBMSLockOnDB(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)

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