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From Thomas Neumann <t.neum...@olympus-labautomation.com>
Subject Cannot connect a second time to an embedded Cloudscape/Derby DB
Date Fri, 21 Jan 2005 08:48:33 GMT

I have a problem with the embedded Cloudscape/Derby version on Windows 
in my maven build script. This build script uses the maven hibernate 
plug in to create the dbms. The connection URL for the db is
This works fine. Afterwards when the schema creation is finished in a 
second step unit tests should run on this db using the same connection 
URL. They fail with the following exception.

Caused by: SQL Exception: Failed to start database 'db/derby/dmstest', 
see the next exception for details.
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java)
at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Util.java)
at org.apache.derby.impl.jdbc.EmbedConnection.(EmbedConnection.java)
at org.apache.derby.impl.jdbc.EmbedConnection20.(EmbedConnection20.java)
at org.apache.derby.impl.jdbc.EmbedConnection30.(EmbedConnection30.java)
at org.apache.derby.jdbc.Driver30.getNewEmbedConnection(Driver30.java)
at org.apache.derby.jdbc.Driver169.connect(Driver169.java)
at org.apache.derby.jdbc.EmbeddedDriver.connect(EmbeddedDriver.java)
at org.apache.tools.ant.taskdefs.JDBCTask.getConnection(JDBCTask.java:342)

This is the same exception as if a second JVM is running with an 
embedded Cloudscape/Derby instance in it already accessing the same 
database. But I sware there is no second JVM running.

Another curiosity on this, the same build script is running on a linux 
box without any problems.

I'm using windows xp pro, JDK 1.4.2-06 and Cloudscape/Derby 10 for this 

Can anybody give me a hint or knows a workaround for this problem?

Thanks in advance

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