Hi Team, I am facing issue while adding data adapter in jaspersoft studio I am not sure whats wrong, I am able to ping the db server using command line prompt. net.sf.jasperreports.engine.JRException: java.sql.SQLException: Io exception: Unknown host specified at net.sf.jasperreports.data.jdbc.JdbcDataAdapterService.contributeParameters(JdbcDataAdapterService.java:130) at net.sf.jasperreports.data.AbstractDataAdapterService.test(AbstractDataAdapterService.java:122) at com.jaspersoft.studio.data.wizard.AbstractDataAdapterWizard$3.runOperations(AbstractDataAdapterWizard.java:155) at com.jaspersoft.studio.utils.jobs.CheckedRunnableWithProgress$1.run(CheckedRunnableWithProgress.java:51) at java.lang.Thread.run(Thread.java:748) Caused by: java.sql.SQLException: Io exception: Unknown host specified at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:113) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:147) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:257) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:389) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:454) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:802) at net.sf.jasperreports.data.jdbc.JdbcDataAdapterService.getConnection(JdbcDataAdapterService.java:168) at net.sf.jasperreports.data.jdbc.JdbcDataAdapterService.contributeParameters(JdbcDataAdapterService.java:128) ... 4 more Does any one have any insights