Home > Cannot Be > Java Drivermanager Cannot Resolved

Java Drivermanager Cannot Resolved

Contents

Space of real sequences with finitely many nonzero elements is a Banach space? This is the error I still > received. > > I'm sorry, but is there something I'm doing wrong? Cannot load db driver: " + DRIVER_CLASS_NAME); } try { conn = DriverManager.getConnection(DB_CONN_STRING, USER_NAME, PASSWORD); } catch (SQLException e) { log("Driver loaded, but cannot connect to db: " + DB_CONN_STRING); e.printStackTrace(); The "new" command is > > > > used with a class name, it invokes the proper constructor and creates > > > > a new instance of the class. news

Reply With Quote 05-12-2009,07:40 PM #3 chazzy View Profile View Forum Posts Working class hero Join Date Aug 2005 Location The Garden State Posts 5,634 you need to have import statements To get one you use the getConnection static method of the DriverManager class. Especially not in JSP context ! > It's a bit mysterious, but it seems javac with the -d options works > better than mkdir. Last edited by tgrk35; 05-13-2009 at 09:47 AM. http://stackoverflow.com/questions/28759910/drivermanager-getconnection-cannot-be-resolved-to-a-type

Drivermanager Cannot Be Resolved In Jsp

Calculate tuition"); System.out.println("6 . Query student"); System.out.println("5. My problem seems to be very simple, but I cannot find any answer. So now that you have something pointing to the actual problem, you should start by looking at that code instead.

C++ calculator using classes Complement of CFL is Recursive How to decline a postdoc interview if there is some possible future collaboration? Stay logged in Welcome to The Coding Forums! Here is my current code: Code: <%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" %> <% String mysql_DRIVER = "com.mysql.jdbc.Driver"; String mysql_USERNAME = "hreoadmin"; String mysql_PASSWORD = "@Room1"; String mysql_STRING = "jdbc:mysql://10.10.100.200:3306/hreo_main_db"; Prepared Statement Cannot Be Resolved To A Type In Jsp why??

Ignoring the error, as you basically do now, is not a good idea. Connection Cannot Be Resolved To A Type Error In Jsp US Election results 2016: What went wrong with prediction models? Abbott Jan 14, 2006 "Only a type can be imported" and "cannot be resolved to a type" alessio, Mar 2, 2007, in forum: Java Replies: 1 Views: 1,036 Lew Mar 3, http://stackoverflow.com/questions/4348103/connection-variable-cannot-be-resolved Do the Leaves of Lórien brooches have any special significance or attributes?

Rob Spoor Sheriff Posts: 20720 68 I like... Driver Cannot Be Resolved Selenium To > > > No, 'Connection' is not an interface here. > > > > get one you use the getConnection static method of the DriverManager > > > class. > posted 6 years ago You have to fix your imports, Statement interface is inside java.sql package. exception org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 6 in the generated java file Only a type can be imported.

Connection Cannot Be Resolved To A Type Error In Jsp

If you want to pass the sql query string , use a PreparedStatement instead of a Statement. https://coderanch.com/t/526180/databases/connection-resolved What do I do? Drivermanager Cannot Be Resolved In Jsp There is probably no good way to handle them at that point. –jjnguy Dec 3 '10 at 18:28 You are educating to implicitly NPE in sad cases. –Tom Hawtin Connection Cannot Be Resolved To A Type In Eclipse In this case, anything that converts to a value (a constant, a variable or a method returning a value) can be used.

I just completely removed and reinstalled MySQL so I don't think the error is caused by a bad password. navigate to this website Can a text in Latin be understood by an educated Italian who never had any formal teaching of that language? Arne Arne Vajhøj, Dec 1, 2009 #3 Vincent Ly Guest Re: Programming using JSP and Tomcat: cannot be resolved to a typeerror Yes, the Connect.java has package Connection at the There are four kinds of variables we must distinguish: share|improve this answer edited Dec 3 '10 at 18:29 answered Dec 3 '10 at 17:25 jjnguy 86.5k32224287 And then you Driver Cannot Be Resolved In Eclipse

Vincent Ly, Dec 1, 2009 #13 Lew Guest Re: Programming using JSP and Tomcat: cannot be resolved to a typeerror Vincent Ly wrote: >> So, I changed Connect.java to DBConnection.java and What is the most someone can lose the popular vote by but still win the electoral college? Why can issuing the same command create more output in tty than in pts/gnome-terminal? More about the author Navigate:Previous Message•Next Message Options:Reply•Quote Subject Written By Posted connection cannot be resolved Scott Ijams 06/21/2005 08:12PM Re: connection cannot be resolved Brian Shacklett 07/05/2005 06:24PM Re: connection cannot be resolved Rene

What crime would be illegal to uncover in medieval Europe? Result Set Cannot Be Resolved To A Type Jsp Here is a little info about scope: scroll to the first section entitled Variables The variable's scope is the block of code for which the variable is valid. share|improve this answer answered Feb 27 '15 at 7:46 Ruchira Gayan Ranaweera 20.7k114281 add a comment| up vote 0 down vote Just Edit your code like this try{ Class.forName("com.mysql.jdbc.Driver"); } catch

The error I'm getting is: Driver loaded, but cannot connect to db: jdbc:mysql://localhost:3306/registrar Exception in thread "main" java.lang.NullPointerException at student.Undergraduate.add(Undergraduate.java:156) at student.StudentAppDriver.addStudent(StudentAppDriver.java:102) at student.StudentAppDriver.start(StudentAppDriver.java:30) at student.StudentAppDriver.main(StudentAppDriver.java:20) Code: /* * To change

So in particular it should either return a valid Connection or it should throw an exception explaining why not. You should do the following: Connection con = null; try { con = DriverManager.getConnection("jdbc:sqlite:db/Freepark.sqlite"); } catch (SQLException e) { // TODO Auto-generated catch block System.out.println("error al buscar la base de datos"); It doesn't appear to have any mistakes regarding capitalization or anything. Driver Cannot Be Resolved To A Variable Selenium Did I implement it correctly?

Member Login Remember Me Forgot your password? Lastly, I removed result completely and replaced it with conn throughout the code This seems to have no effect though. What legal documents are Italian citizens supposed to carry when traveling to Ireland? click site Connection con = DriverManager.getConnection(url,"root", "root"); //Display URL and connection information System.out.println("URL: " + url); System.out.println("Connection: " + con); //Get a Statement object stmt = con.createStatement(); stmt.executeUpdate("insert into Login values('Bala','root')"); con.close(); }catch(

Would it be helpful to see the actual class? SCJP 1.4 - SCJP 6 - SCWCD 5 - OCEEJBD 6 - OCEJPAD 6 How To Ask Questions How To Answer Questions Post Reply Bookmark Topic Watch Topic New Topic In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms posted 5 years ago Move the code out of a JSP and into a Java class.Place all Java classes in a package other than the default.Maker sure your class files are

MySql connection issue java jdbc Can get mysql DB connection from class, but can't get from servlet. Matthew Blake Greenhorn Posts: 10 posted 4 years ago Thanks for sticking with me, I struggle with programming, but hopefully I can get my head around this. Here is the code I'm trying to use: Code: <% String mysql_DRIVER = "com.mysql.jdbc.Driver"; String mysql_USERNAME = "hre3oadmin"; String mysql_PASSWORD = "@Room15"; String mysql_STRING = "jdbc:mysql://10.10.100.200:3306/hreo_main_db"; Connection connection = null; Class.forName("com.mysql.jdbc.Driver").newInstance(); I moved the DBConnection.class to >/usr/share/tomcat6/webapps/dbproject/WEB-INF/classes/DBConnection.class I also changed the >Connection.Connect con = new Connection.Connect(); to >DBConnection con = new DBConnection(); Am I doing it correctly so far?

posted 4 years ago The NPE probably stems from result never being initialized, as that step fails. It has been closed. It should be Connection con = null; Statement sentencia = null; try { con = DriverManager.getConnection("jdbc:sqlite:db/Freepark.sqlite"); sentencia = con.createStatement(); } catch (SQLException e) { // TODO Auto-generated catch block System.out.println("error al Also, naming a type with a verb is rather confusing; verbs are conventionally used as method names and nouns or adjectives are used as type names.

Also, "Connection" is an interface, and has no constructor. Welcome to the Coding Forums, the place to chat about anything related to programming and coding languages. String url = "jdbc:mysql://localhost:9080/EmployeeDB"; //Get a connection to the database for a // user named root with a blank password. // This user is the default administrator // having full privileges