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From Jörg Heinicke (JIRA) <j...@apache.org>
Subject [jira] Created: (DBCP-241) NPE in case of an SQLException on checkOpen() in DelegatingConnection
Date Sat, 22 Sep 2007 16:39:50 GMT
NPE in case of an SQLException on checkOpen() in DelegatingConnection
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                 Key: DBCP-241
                 URL: https://issues.apache.org/jira/browse/DBCP-241
             Project: Commons Dbcp
          Issue Type: Bug
            Reporter: Jörg Heinicke


I only got it from the Spring forums (http://forum.springframework.org/showthread.php?t=44068),
no idea which version or if it is already fixed. It should be easy to review.

Stacktrace:

java.lang.NullPointerException
	at org.apache.commons.dbcp.PoolingConnection.toString(PoolingConnection.java:248)
	at java.lang.String.valueOf(String.java:2615)
	at java.lang.StringBuffer.append(StringBuffer.java:220)
	at org.apache.commons.dbcp.DelegatingConnection.checkOpen(DelegatingConnection.java:354)
	at org.apache.commons.dbcp.DelegatingConnection.prepareStatement(DelegatingConnection.java:246)
	at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.prepareStatement(PoolingDataSource.java:302)
	at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:505)
	at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:423)
	at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)

implementation of the method:

    protected void checkOpen() throws SQLException {
        if(_closed) {
            throw new SQLException
                ("Connection " + _conn + " is closed.");
        }
    }

Regards

Joerg

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