Viewing java code in Eclipse

This question of mine is not directly related to Java but I couldn�t find a better place to post this question. I have a java application contained in 2 zip files. I am viewing the files in eclipse. I created a project and extracted both the zip files here. But now, when I open a file to view the code, red lines show all over. When I scroll my mouse on top of the element it shows errors like this:
ServletException cannot be resolved to a type
HttpServletRequest cannot be resolved to a type
HttpServletResponse cannot be resolved to a type
The method init() is undefined for the type Object
The method destroy() is undefined for the type ObjectI know I can view the code in a simple java editor too, but I am using Eclipse as I want to learn. Can someone please tell me what could be the problem??
Thanks
Mick

well, obviously the servlet classes are not found in this jar.
remember that my jar is servlet.jar without the "s" as opposed to yours.
i'm sure you can download the servlet.jar from suns site somewhere. google for
servlet + java + tutorial
and you'll find the prerequisites, including getting this jar.
btw, you mentioned that you have code for an application. a servlet is not exactly an application. are you sure, that you want to work with that servlet?
as i said, to run it, you'll need a web server and servlet container.
if you want to get to know eclipse then you might work on an ordinary application.

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<BLOCKQUOTE>quote:<HR>Originally posted by NewBie:
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null

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===============
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package bo;
import com.oracle.bpel.client.Locator;
import com.oracle.bpel.client.NormalizedMessage;
import com.oracle.bpel.client.delivery.IDeliveryService;
import java.util.Map;
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 System.out.println("After creating the NormalizedMessage object.*.*.*...");
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callbpel p=new callbpel();
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Error Occured is:
After creating the locator object......
Before creating the NormalizedMessage object......
After creating the NormalizedMessage object.*.*.*...
Before creating response object......
Apr 24, 2008 9:12:00 AM org.apache.catalina.core.StandardWrapperValve invoke
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 at com.oracle.bpel.client.delivery.DeliveryService.request(DeliveryService.java:53)
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     at sun.jdbc.odbc.JdbcOdbc.createSQLException(Unknown Source)
     at sun.jdbc.odbc.JdbcOdbc.standardError(Unknown Source)
     at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(Unknown Source)
     at sun.jdbc.odbc.JdbcOdbcStatement.execute(Unknown Source)
     at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(Unknown Source)
     at DataBaseCreator.main(DataBaseCreator.java:30)
I have to add that if I only query: "CREATE DATABASE NameOfDatabase" the new data base is created without a problem using JAVA, but when I try to use the following query, I got the error message.
"USE Master "
                    + "IF EXISTS (SELECT * FROM SysDatabases WHERE NAME='DatesTemps') "
                    + " DROP DATABASE DatesTemps"
                    + " go "
                    + " CREATE DATABASE DatesTemps22 "
                    + " go"
                    + " USE DatesTemps "
                    + " CREATE TABLE Fable ( "
                    + " FableID INT NOT NULL CONSTRAINT FablePK PRIMARY KEY NONCLUSTERED, "
                    + " Title VARCHAR(50) NOT NULL, "
                    + " Moral VARCHAR(100) NOT NULL, "
                    + " FableText VARCHAR(1536) NOT NULL, "
                    + " BlobType CHAR(3) NULL DEFAULT 'doc', "
                    + " Blob IMAGE NULL DEFAULT NULL )"
If it is useful my complete code is the following, I appreciate in advance your comments.
import java.sql.Connection;
import java.sql.Statement;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.Calendar;
import java.util.GregorianCalendar;
public class DataBaseCreator {
     public static void main (String[] args)
          Connection Time =null;
          Statement stmt = null;
          String data = "jdbc:odbc:DataBaseCreation";
          try
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               Time= DriverManager.getConnection(data,"","");
               stmt = Time.createStatement();
               //String query;
               //java.sql.Timestamp ts1 = new java.sql.Timestamp(((3*60)+58)*60*1000);
          // System.out.println(ts1 + " This is a Time Stamp");
          ResultSet rec = stmt.executeQuery(
                    "USE Master "
                    + "IF EXISTS (SELECT * FROM SysDatabases WHERE NAME='DatesTemps') "
                    + " DROP DATABASE DatesTemps"
                    + " go "
                    + " CREATE DATABASE DatesTemps22 "
                    + " go"
                    + " USE DatesTemps "
                    + " CREATE TABLE Fable ( "
                    + " FableID INT NOT NULL CONSTRAINT FablePK PRIMARY KEY NONCLUSTERED, "
                    + " Title VARCHAR(50) NOT NULL, "
                    + " Moral VARCHAR(100) NOT NULL, "
                    + " FableText VARCHAR(1536) NOT NULL, "
                    + " BlobType CHAR(3) NULL DEFAULT 'doc', "
                    + " Blob IMAGE NULL DEFAULT NULL )"
          catch( Exception e )
                    System.err.println( e );
                    e.printStackTrace();
          finally
                    try
                         stmt.close();
                         Time.close();
          catch( Exception e )
                    System.err.println( e );
}

Ok, first of all thanks for your answer, now what I want to do is the following:
1) I need to input ((retrieve) every minute some data (Date and Temperature), that I will get from and external device, this is not part of this code.
2) I want to store that data (Date and Temp) on a data base, here where I need the command to create the data base and to verify whether that data base already exists. In case it has already been created then create new table(s) on it. If it doesn't exist then create and then create new tables.
3) Each Day (at yyyy mm dd 00:00:00:000 will create a new table, and the name of this table will be yyyymmdd.
4) Then every minute the java code will retrieve the data and add it to the table in the data base.
5) That will be a close loop that will be running until the user interrupt it.
I haven't make the communication code yet, in order to test my code I was thinking to retrieve the data from another data base. This would be just to verify that the JAVA sequence is able to retrieve the data every minute and create new data base and tables.
For the record I am able to send the queries and retrieve information from SQL running the code in eclipse, that will cover your first observation.
I am quite new in the forum I am sorry I didn't get the use of code tags.
Sorry again as I said I am quite new on this, what's a DDL statement.
Thanks.

Show errors on UIX page from Java code?

Hello all:
I've got a simple Login page in Jdev 10g (9.0.5.2) that I'm setting up. The basics work fine -- if I type in a valid login/password, it works. If I type in an incorrect login/password, it loops back to the login page. The problem is that I can't seem to get my Invalid Login error message to appear.
The loginPage.uix is based on a template. The template contains the following code:
<messages>
<messageBox automatic="true" />
</messages>
as a named child inside a <pageLayout> UIX node. The login page is:
<?xml version="1.0" encoding="windows-1252"?>
<page xmlns="http://xmlns.oracle.com/uix/controller"
xmlns:ui="http://xmlns.oracle.com/uix/ui"
xmlns:ctrl="http://xmlns.oracle.com/uix/controller"
xmlns:html="http://www.w3.org/TR/REC-html40"
xmlns:pas="http://www.paslists.com/pas/templates"
expressionLanguage="el">
<templates xmlns="http://xmlns.oracle.com/uix/ui">
<templateImport source="pasPageLayout.uit"/>
</templates>
<content>
<dataScope xmlns="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui" >
<contents>
<document>
<metaContainer>

<head title="PAS Login Page"/>
</metaContainer>
<contents>
<body>
<contents>
<pas:pasPageLayout selectedGlobalHeader="3">
<contents>
<stackLayout>
<contents>
<spacer height="10"/>
<styledText text="Please enter your Web ID and Password, then press the Log In button."/>
<spacer height="10"/>
<flowLayout>
<contents>
<styledText text="If you don't have an ID, please send an e-mail to our "/>
<link destination="mailto:[email protected]" text="Web Administrator" />
<styledText text=" requesting one."/>
</contents>
</flowLayout>
<spacer height="10"/>
<form name="loginForm" method="POST">
<contents>
<labeledFieldLayout labelWidth="25%" fieldWidth="80%" columns="2" width="80%" >
<contents>
<messageTextInput prompt="ID:" name="username" columns="20" />
<messageTextInput prompt="Password:" name="password" secret="true" columns="20" />
</contents>
</labeledFieldLayout>
<rowLayout hAlign="right">
<contents>
<submitButton text="Log In" formName="loginForm" event="goLogin"/>
<spacer width="10" />
<resetButton text="Reset" formName="loginForm" />
<spacer width="10" />
</contents>
</rowLayout>
</contents>
</form>
</contents>
</stackLayout>
</contents>
<start>
<flowLayout>
<contents>
<sideNav selectedIndex="0">
<contents>
<link destination="login.do" text="Logging In"/>
<link destination="logoff.do" text="Log Off"/>
</contents>
</sideNav>
</contents>
</flowLayout>
</start>
</pas:pasPageLayout>
</contents>
</body>
</contents>
</document>
</contents>
</dataScope>
</content>
<handlers>

<event name="goLogin">
<go name="login"/>
</event>
</handlers>
</page>
My Java code is:
public class LoginAction extends DataAction
public void findForward(DataActionContext actionContext) throws Exception
HttpServletRequest request = actionContext.getHttpServletRequest();
HttpSession session = request.getSession();
ActionErrors errors = actionContext.getActionErrors();
String target = "fail";
//Get the result of the Model Method Call
JUCtrlActionBinding method = actionContext.getCustomMethod();
boolean successfulLogon = ((Boolean)method.getResult()).booleanValue();
Integer attempts = (Integer)session.getAttribute("loginAttempts");
int intAttempts = 0;
if (attempts != null)
intAttempts = attempts.intValue();
if (!successfulLogon || intAttempts > 3)
// If the Logon fails we need to do the follwoing
// 1. Increment the counter. Once this exceeds 3 any logon will fail
// 2. Create an error message to display on the logon screen.
// Be sure that this is non-specific so crackers can't tell if
// a portion if the username is correct or that there is a
// Max attempts value.
session.setAttribute("loginAttempts",new Integer(++intAttempts));
errors.add("InvalidLogin",new ActionError("loginerr.invalid"));
actionContext.setActionErrors(errors);
else
session.setAttribute("loginStatus", new String("true"));
target = "success";
actionContext.setActionForward(target);
This goes to a "success" actionForward if the login works and a "fail" actionForward if the login fails.
My ApplicationResources.properties file contains:
loginerr.invalid=Invalid username/password. Please try again.
This matches up with the key I used in the new ActionError() statement above.
My structs-config.xml for this section looks like this:
<action path="/mainAction" className="oracle.adf.controller.struts.actions.DataActionMapping" type="oracle.adf.controller.struts.actions.DataAction" name="DataForm">
<set-property property="modelReference" value="loginUIModel"/>
<forward name="success" path="/loginPage.do"/>
<forward name="login" path="/loginAction.do"/>
</action>
<action name="DataForm" path="/loginAction" className="oracle.adf.controller.struts.actions.DataActionMapping" type="com.paslists.view.LoginAction">
<set-property property="modelReference" value="loginUIModel"/>
<set-property property="methodName" value="loginUIModel.login"/>
<set-property property="resultLocation" value="${requestScope.methodResult}"/>
<set-property property="numParams" value="2"/>
<set-property property="paramNames[0]" value="${param.username}"/>
<set-property property="paramNames[1]" value="${param.password}"/>
<forward name="fail" path="/mainAction.do"/>
<forward name="success" path="/getHomePageAction.do"/>
</action>
<action name="DataForm" path="/loginPage" forward="/loginPage.uix" validate="false"/>
mainAction has a success forward to loginPage.uix. loginPage.uix has a "login" event attached to the submit button, which forwards to loginAction. loginAction executes the code declaratively and forwards to success or fail. If success, it continues on. If fail, it loops back to mainAction.
Again -- this all works (almost). The only thing that does not work is that my ActionErrors() are not displaying on the web page.
What am I doing wrong here?

Solved my own problem. See the following thread for the answer:
Displaying Struts messages/errors in 10g
I modified my error code to be:
actionContext.getActionErrors().add(ActionErrors.GLOBAL_ERROR,new ActionError("loginerr.invalid"));
this.saveErrors(request,actionContext.getActionErrors());
I modified my template to contain:
<struts:dataScope xmlns="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui">
<contents>
<messageBox messageType="error" automatic="true"/>
</contents>
</struts:dataScope>
I also added xmlns:struts="http://xmlns.oracle.com/uix/struts" to the templateDefinition.
It now works.

Viewing java code in Eclipse

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