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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