[ http://nagoya.apache.org/jira/browse/DERBY-95?page=comments#action_57006
]
Shreyas Kaushik commented on DERBY-95:
--------------------------------------
The part of the code that causes this NPE to come up is in the
setupResourceAdapter method in the EmbeddedXADataSource.java, the fragment is
here,
if (requestPassword) {
getConnection(user, password).close();
}
Since the url passed is not a valid databaseName ( it considers the entire
string as the database) it cannot establish a connection so the call to
getConnection() returns null and calling close throws a NPE.
This can be resolved by checking if the connection handle returned by a call to
the getConnection() method is null or not. If it is not null do the processing
that is currently happening( closing of the connection in this case) , if it is
null then throw a SQLException saying the database doesn't exist.
The same case also needs to be taken care of in the code fragment following the
above code fragment as well.
> NPE when passing in url instead of database name to EmbeddedXADataSource
> ------------------------------------------------------------------------
>
> Key: DERBY-95
> URL: http://nagoya.apache.org/jira/browse/DERBY-95
> Project: Derby
> Type: Bug
> Components: JDBC
> Reporter: Myrna van Lunteren
> Priority: Minor
> Fix For: 10.0.2.1
>
> When passing in a url (e.g. jdbc:derby:mydb) instead of just the database
> name (e.g. mydb) the XADataSource gives a NullPointerException.
> It should either handle this a little more gracefully & give an error, or
> accept the url (like EmbeddedDataSource does).
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