[geotk] Error: Limitation of opening only one instance of shape file

[Gopinath Asutosh]

Below exception is thrown when i try open another instance of the shape file.===
Failed to connect to the EPSG database.
Another instance of Derby may have already booted the database C:\Documents and Settings\Administrator\Application Data\Geotoolkit.org\EPSG\7.09.
ERROR XSDB6: Another instance of Derby may have already booted the database C:\Documents and Settings\Administrator\Application Data\Geotoolkit.org\EPSG\7.09.
    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)
    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.access.RAMAccessManager.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.db.BasicDatabase.bootStore(Unknown Source)
    at org.apache.derby.impl.db.BasicDatabase.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.bootService(Unknown Source)
    at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
    at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown Source)
    at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
    at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)
Caused: java.sql.SQLException: Another instance of Derby may have already booted the database C:\Documents and Settings\Administrator\Application Data\Geotoolkit.org\EPSG\7.09.
    at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
    ....... .......
org.apache.sis.util.NullArgumentException: Argument ‘crs’ shall not be null.
    at org.apache.sis.util.ArgumentChecks.ensureNonNull(ArgumentChecks.java:104)
    at org.geotoolkit.map.DefaultMapContext.<init>(DefaultMapContext.java:60)
    at org.geotoolkit.map.MapBuilder.createContext(MapBuilder.java:73)
    at org.geospatial.map.OnlineMapTopComponent.lambda$new$0(OnlineMapTopComponent.java:218)
    at org.geospatial.map.OnlineMapTopComponent$$Lambda$339/10626837.run(Unknown Source)
[catch] at java.lang.Thread.run(Thread.java:745)
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