Hi, I use jasperserver 3.5.0 on windows I do a report using iReport agains Infomix database and it works fine. I put the Informix JDBC driver JAR(s) in the application server classpath /WEB-INF/lib and i set up the Informix data source in JasperServer,the Test Connection work very fine When I transfer report to Jasper Server and try to run it, I receive error message below. com.jaspersoft.jasperserver.api.JSException: jsexception.error.creating.connection at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.JdbcDataSourceService.createConnection(JdbcDataSourceService.java:62) .......... org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool exhausted org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool exhausted .......... java.util.NoSuchElementException: Could not create a validated object, cause: Transactions not supported at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:806) at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:95) at com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.JdbcDataSourceService.createConnection ........ Can you help me? Thanks