This is a discussion on Class Cast Exception for DataSource within the pgsql Interfaces jdbc forums, part of the PostgreSQL category; --> Hi, I am using Postgres 8.2 version database and *postgresql-8.2-504.jdbc3.jar* driver. Snippet of code: *String postgresDataSource = **"org.postgresql.Driver"**;* ** ...
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| Hi, I am using Postgres 8.2 version database and *postgresql-8.2-504.jdbc3.jar* driver. Snippet of code: *String postgresDataSource = **"org.postgresql.Driver"**;* ** *Class dataSourceClass = Class.forName(postgresDataSource);* *dataSource = (DataSource) dataSourceClass.newInstance();* ** *I am getting *ClassCast exception when i try to run the code in my java application. Please resolve this problem. regards Raghu |
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| Raghavendra MB wrote: > *String postgresDataSource = **"org.postgresql.Driver"**;* > > ** > > *Class dataSourceClass = Class.forName(postgresDataSource);* > > *dataSource = (DataSource) dataSourceClass.newInstance();* > > ** > > *I am getting *ClassCast exception when i try to run the code in my java > application. > > Please resolve this problem. org.postgresql.Driver doesn't implement the javax.sql.DataSource interface. If you want a DataSource, just use "new org.postgresql.ds.PGSimpleDataSource()" or "new org.postgresql.ds.PGPoolingDataSource()" if you want pooling. If you don't want to use a DataSource, you should be doing: Class.forName("org.postgresql.Driver"); Connection conn = DriverManager.getConnection("jdbc -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match |