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From "Myrna van Lunteren (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-2498) NullPointerException on ClientDataSource.getConnection() when ds.setdatabaseName was invalid
Date Wed, 28 Mar 2007 16:31:25 GMT
NullPointerException on ClientDataSource.getConnection() when ds.setdatabaseName was invalid

---------------------------------------------------------------------------------------------

                 Key: DERBY-2498
                 URL: https://issues.apache.org/jira/browse/DERBY-2498
             Project: Derby
          Issue Type: Bug
          Components: Network Client
    Affects Versions: 10.3.0.0
            Reporter: Myrna van Lunteren


The following code snippet:
               ClientDataSource ds = 
                    (ClientDataSource)JDBCDataSource.getDataSource();
                // invalid database string
                ds.setDatabaseName("jdbc:derby:wombat");
                ds.getConnection();
results (with jdk14) in this stack trace:

java.lang.NullPointerException
	at org.apache.derby.client.am.ProductLevel.<init>(ProductLevel.java:41)
	at org.apache.derby.client.net.NetDatabaseMetaData.<init>(NetDatabaseMetaData.java:40)
	at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetDatabaseMetaData(ClientJDBCObjectFactoryImpl.java:276)
	at org.apache.derby.client.net.NetConnection.newDatabaseMetaData_(NetConnection.java:1144)
	at org.apache.derby.client.am.Connection.completeConnect(Connection.java:1803)
	at org.apache.derby.client.net.NetConnection.completeConnect(NetConnection.java:412)
	at org.apache.derby.client.net.NetConnection.initialize(NetConnection.java:297)
	at org.apache.derby.client.net.NetConnection.<init>(NetConnection.java:231)
	at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetConnection(ClientJDBCObjectFactoryImpl.java:213)
	at org.apache.derby.jdbc.ClientDataSource.getConnection(ClientDataSource.java:186)
	at org.apache.derby.jdbc.ClientDataSource.getConnection(ClientDataSource.java:163)
	at org.apache.derbyTesting.functionTests.tests.jdbcapi.DataSourceTest.testJira95ds(DataSourceTest.java:808)

This is a similar situation as described for EmbeddedDataSource in DERBY-95.
This bug was found when converting the test for DERBY-95 to junit - the old test was explicitly
creating an EmbeddedDataSource, so, this was never tested for Client (even when running with
network server).
Note, that the similar test for XADataSource, even for client, does not result in an NPE.

I have not tested PooledDataSource, but it should be checked.

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