I'm trying to connect to Oracle dataBase in Java web project and this is the exception that I got :\[code\] java.sql.SQLException: Exception d'E/S: Got minus one from a read call at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:333) at oracle.jdbc.driver.OracleConnection.(OracleConnection.java:404) at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:468) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:314) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at mypack1.login.doPost(login.java:60) at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.ow2.jonas.web.tomcat7.CheckOpenResourcesValve.invoke(CheckOpenResourcesValve.java:69) at org.ow2.jonas.web.tomcat7.tx.TransactionValve.invoke(TransactionValve.java:89) at org.ow2.jonas.web.tomcat7.ResetAuthenticationValve.invoke(ResetAuthenticationValve.java:95) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.ow2.jonas.web.tomcat7.versioning.VersioningValve.invoke(VersioningValve.java:105) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)\[/code\]and this's my connection code:\[code\]try { Class.forName("oracle.jdbc.OracleDriver");} catch (ClassNotFoundException e) { StringWriter sw = new StringWriter(); e.printStackTrace(new PrintWriter(sw)); String exceptionAsString = sw.toString(); out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>Where is your Oracle JDBC Driver?</h1>"+exceptionAsString+"</body></html>"); return;}out.println("<html><head><title>Hello World</title></head><body>");out.println ("<h1>Oracle JDBC Driver Registered!</h1></body></html>");Connection connection = null;try { connection = DriverManager.getConnection("jdbc
racle:thin
localhost:3010/apex/:XE","JEE","admin");} catch (SQLException e) { StringWriter sw = new StringWriter(); e.printStackTrace(new PrintWriter(sw)); String exceptionAsString = sw.toString(); out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>Connection Failed! Check output console</h1>"+exceptionAsString+"</body></html>"); e.printStackTrace(); return;}if (connection != null) { out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>You made it, take control your database now!</h1></body></html>");} else { out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>Failed to make connection!</h1></body></html>");}\[/code\]
racle:thinlocalhost:3010/apex/:XE","JEE","admin");} catch (SQLException e) { StringWriter sw = new StringWriter(); e.printStackTrace(new PrintWriter(sw)); String exceptionAsString = sw.toString(); out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>Connection Failed! Check output console</h1>"+exceptionAsString+"</body></html>"); e.printStackTrace(); return;}if (connection != null) { out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>You made it, take control your database now!</h1></body></html>");} else { out.println("<html><head><title>Hello World</title></head><body>"); out.println ("<h1>Failed to make connection!</h1></body></html>");}\[/code\]