Help needed to run 2 classes....

Hi.
I have 2 program.
First program is to open and choose the file to run so it will display the choosen file's path and filename and most importantly - its results on a Window.
Second program is design to run an external file e.g. music.mpeg and count number of services inside this file.
Question is: How do I combine both classes such that the results of the number of services are display on the Window created by the first program upon clicking on a button on the Window e.g. <Count now>?
Pls Help ..
Your help will be greatly appreciated!!
...do U need the codes for the program?... pls tell me..thanks.

have a look in the Swing tutorials, they talk about file choosers.

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Help needed to run JSTL 1.1 in Tomcat 6.0.16

Hi All,Help needed to run JSTL 1.1 in Tomcat 6.0.16. I am trying to run the example given in http://tomcat.apache.org/tomcat-6.0-doc/jndi-datasource-examples-howto.html The example tries to connect to MySQL database from JSP using JSTL and JNDI Datasource.I am running the example using Eclipse 3.4.2 using Sysdeo plugin to start and stop Tomcat server from Eclipse IDE.
My web.xml file has <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
</web-app>
and test.jsp has proper taglib directives
<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
I have placed the jstl.jar and standard.jarof the jakarta-taglibs-standard-1.1.2.zip under E:\Deepa\workspace\DBTest\WebContent\WEB-INF\lib directory also placedcontext.xml file under E:\Deepa\workspace\DBTest\WebContent\META-INF and the content of context.xml is as below
<Context path="/DBTest" docBase="DBTest"
debug="5" reloadable="true" crossContext="true">
<Resource name="jdbc/TestDB" auth="Container" type="javax.sql.DataSource"
maxActive="100" maxIdle="30" maxWait="10000"
username="deepa" password="mysql" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/javatest?autoReconnect=true"/>
</Context>
Now while running the example, Eclipse creates one DBTest.xml file under C:\Program Files\Apache Software Foundation\Tomcat 6.0\conf\Catalina\localhost
which has the following line:
<Context path="/DBTest" reloadable="true" docBase="E:\Deepa\workspace\DBTest" workDir="E:\Deepa\workspace\DBTest\work" />
I am getting the following error when running http://localhost/DBTest/WebContent/test.jsp
in Browser:
<HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/sql cannot be resolved in either web.xml or the jar files deployed with this application
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:116)
org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:315)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:148)
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:431)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:494)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1444)
org.apache.jasper.compiler.Parser.parse(Parser.java:138)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:216)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:154)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:315)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:295)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:282)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
In the Tomcat Server console, I am getting the following error:
INFO: Server startup in 7295 ms
May 20, 2009 6:36:48 AM org.apache.jasper.compiler.TldLocationsCache processWebDotXml
WARNING: Internal Error: File /WEB-INF/web.xml not found
May 20, 2009 6:36:48 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/sql cannot be resolved in either web.xml or the jar files deployed with this application
what is the problem with my code?
When running the same example, by creating a local server in Eclipse(creating new Server connection pointing to same Tomcat 6.0 installation) it runs fine without any error.

Hi evnafets,
Wow, very helpful information, great insight into working of Eclipse. Thanks a lot.
I have one more question. I have a context.xml file under {color:#0000ff}E:\Deepa\workspace\DBTest\WebContent\META-INF{color} folder and that has the Resource element to connect to MySQL database:
{code{color:#000000}}{color}<Context path="/DBTest" docBase="DBTest" debug="5" reloadable="true" crossContext="true">
<Resource name="jdbc/TestDB" auth="Container" type="javax.sql.DataSource" maxActive="100" maxIdle="30" maxWait="10000" username="deepa" password="mysql" driverClassName="com.mysql.jdbc.Driver"
{color:#0000ff}url="jdbc:mysql://localhost:3306/javatest?autoReconnect=true"/>{color}
{color:#0000ff}</Context>{color}As usual when running application in local Tomcat server of Eclipse, this data source works fine. But when I run the application on Tomcat, by starting Sysdeo plugin from Eclipse, the DBTest.xml file created in C:\Tomcat 6.0\conf\Catalina\localhost has the context entry as<Context path="/DBTest" reloadable="true" docBase="E:\Deepa\workspace\DBTest\WebContent" workDir="E:\Deepa\workspace\DBTest\work">
</Context>The<Resource> element I have specified in the context.xml of \WebContent\META-INF folder is not taken into account by Tomcat and it gives the following error:May 21, 2009 5:20:04 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
javax.servlet.jsp.JspException: Unable to get connection, DataSource invalid: "org.apache.tomcat.dbcp.dbcp.SQLNestedException_: Cannot create JDBC driver of class '' for connect URL 'null'"
_at org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.getConnection(_QueryTagSupport.java:276_)
at org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.doStartTag(_QueryTagSupport.java:159_)
at org.apache.jsp.test_jsp._jspx_meth_sql_005fquery_005f0(_test_jsp.java:113_)
at org.apache.jsp.test_jsp._jspService(_test_jsp.java:66_)
at org.apache.jasper.runtime.HttpJspBase.service(_HttpJspBase.java:70_)
at javax.servlet.http.HttpServlet.service(_HttpServlet.java:717_)
at org.apache.jasper.servlet.JspServletWrapper.service(_JspServletWrapper.java:374_)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(_JspServlet.java:342_)
at org.apache.jasper.servlet.JspServlet.service(_JspServlet.java:267_)
at javax.servlet.http.HttpServlet.service(_HttpServlet.java:717_)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(_ApplicationFilterChain.java:290_)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(_ApplicationFilterChain.java:206_)
at org.apache.catalina.core.StandardWrapperValve.invoke(_StandardWrapperValve.java:233_)
at org.apache.catalina.core.StandardContextValve.invoke(_StandardContextValve.java:191_)
at org.apache.catalina.core.StandardHostValve.invoke(_StandardHostValve.java:128_)
at org.apache.catalina.valves.ErrorReportValve.invoke(_ErrorReportValve.java:102_)
at org.apache.catalina.core.StandardEngineValve.invoke(_StandardEngineValve.java:109_)
at org.apache.catalina.connector.CoyoteAdapter.service(_CoyoteAdapter.java:286_)
at org.apache.coyote.http11.Http11Processor.process(_Http11Processor.java:845_)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(_Http11Protocol.java:583_)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(_JIoEndpoint.java:447_)
at java.lang.Thread.run(_Thread.java:619_)
{code}
So to overcome this error I had to place the <Resource> element in DBTest.xml under C:\Tomcat 6.0\conf\Catalina\localhost {color:#000000}and then it works fine. {color}{color:#ff0000}*Why is the context.xml file in META-INF not considered by Tomcat server using Sysdeo Plugin?*
*Thanks,*
*Deepa*{color}
{color}
Edited by: Deepa76 on May 26, 2009 9:32 PM

Cron job help- Need to run the Autobuddy command every night...

I have not written anything in the form of a Unix script for YEARS and YEARS. Our XServe was built in Advanced mode, currently running 10.5.4 Server. On this box, we are running Wiki and iChat. Since we built this box as an Advanced box the "Autobuddy" option was not available.
I have since enabled it at the command line, but I am told by Apple that there still needs to be a command run after every time a user logs in if you want others to Autobuddy. That command is this:
"sudo /usr/bin/jabber_autobuddy -m"
Now I think this would be pretty easy to setup as an automatic cron script, but like I said, I have not written something like this in forever. Not to mention, I am not 100% sure what needs to happen since running the script with an sudo command will prompt for the root password.
I was wondering if anyone would be able to help me write the script up, and give me some instructions on how to install it. I just want it run everyday, midnight is fine, I don't really care. All I know is that we have a dept of 150 people, and it grows and shrinks all the time. They can deal with a new user not being seen for 24-48 hours, I just want to get this automated.
Any helps would be GREATLY appreciated!
Thanks
Tom

If you want to keep it simple try [CronniX|http://www.abstracture.de/projects-en/cronnix] a graphical tool for setting up CRON jobs on OSX. Whilst I have not actually done an autobuuddy in this way, I cannot see any reason why it will not run as a Cron Job.
The proper way ideally would be to use the launchd service.
Something like this should work:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>org.jabber.dailyautobuddy</string>
<key>ProgramArguments</key>
<array>
<string>/usr/bin/jabber_autobuddy</string>
<string>-m</string>
</array>
<key>LowPriorityIO</key>
<true/>
<key><UserName></key>
<string>admin</string>
<key>StartCalendarInterval</key>
<dict>
<key>Hour</key>
<integer>0</integer>
<key>Minute</key>
<integer>05</integer>
</dict>
</dict>
</plist>
(not sure why, but tabs are not showing up, making this hard to read)
Message was edited by: Tim Harris

Help needed in running the RMI application with multiple clients

Hi
I have my RMI application with one server and 6 clients. I keep all the server and client programs in the same directory. When i run the clients, the first 2 clients work properly but when the third or the fourth client starts, it works normally in getting the data and after a while it crashes. If teh third crashes the 4th works and if the 4th crashes the 3rd, 4th and 5th works ...randomly atleast one or 2 clients crash always.
following is the error message generated for a client named controller:
[ code ]
Exception in thread "main" java.lang.NullPointerException
at PostOfficeImpl.isinputAvail(PostOfficeImpl.Java:315)
at PostOfficeImpl_Skel.dispatch(Unknown Source)
at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:375)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:240)
at sun,rmi.transport.Transport$1.run(Transport.java:153)
at java.security.AccessController.doPrivileged(Native Method)
at sun,rmi.transport.Transport.serviceCall(Transport.java:149)
at sun,rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at sun,rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
at java.lang.Thread.run(Thread.java:595)
at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247)
at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:343)
at PostOfficeImpl_Stub.isinputAvail(Unknown Source)
at CONTROLLER.main(CONTROLLER.java:167)
my ser ver program is as follows:
class PostOfficeServer extends java.rmi.server.UnicastRemoteObject implements java.rmi.Remote {
// Instance of ourselves
public static String name;
private static PostOfficeServer rmi;
// public No-argument constructor
public PostOfficeServer() throws RemoteException {
     super();
public static void main(String[] args){
if(System.getSecurityManager() == null) {
     System.setSecurityManager(new RMISecurityManager());
try {
     new PostOfficeServer();
     PostOffice postOfficeserver = new PostOfficeImpl();
try {
     getIP ipAdd1 = new getIP();
     String ip1 = ipAdd1.getIP();
     name = "//" + ip1 + "/PostOffice";
catch (Exception e){
     System.out.println();
Naming.rebind(name, postOfficeserver);
System.out.println("RemoteServer bound");
System.out.println("initialise Data Structure");
postOfficeserver.initDatastructure();
System.out.println("initilised");
catch (java.rmi.RemoteException e) {
     System.out.println("Cannot create remote server object");
catch (java.net.MalformedURLException e) {
     System.out.println("Cannot look up server object");
System.out.println("Server started.");
System.out.println("Enter <CR> to end.");
try {
     int serve2end = System.in.read();
}catch (IOException ioException) {
System.exit(0);
//endoffilePlease advise as this is very urgent

Hi
the following is the code for PostOfficeImpl...its a long code but i include it so that I get your help please...
import java.io.*;
import java.net.*;
import java.lang.*;
import java.rmi.*;
import java.rmi.server.*;
import java.rmi.RemoteException;
import java.util.HashMap;
import java.util.*;
public class PostOfficeImpl extends java.rmi.server.UnicastRemoteObject implements PostOffice {
//Implementations must have an explicit constructor in order to declare the
//RemoteException exception
public PostOfficeImpl() throws java.rmi.RemoteException {
     super();
public static LinkedListImpl list = new LinkedListImpl();
public static oListImpl ovarList = new oListImpl();
public static iListImpl ivarList =new iListImpl();
public static lipsList llfirst;
public static oList opchannel, ofirst, onext;
public static iList ipchannel, ichan, ifirst;
public static String[] variNumber= new String[100];
public static String[] inoutChan, inChan, outChan,inVAR, invarLIST,outVAR, outvarLIST ;
public static String[][] driveMat;
DriverMatrix_mthds drive = new DriverMatrix_mthds();
private static Boolean All_Vacant;
private static Boolean tAll_Vacant;
public void sendAll_Vacant(Boolean All_Vacant) throws RemoteException {
     tAll_Vacant = All_Vacant;
public Boolean getAll_Vacant() throws RemoteException{
      return tAll_Vacant;
public void initDatastructure() throws RemoteException{
ifirst = null;
ofirst=null;
int i=0, j=0, k=0, ind1=0, ind2=0;
try{/// initialise list
     drive = new DriverMatrix_mthds();
     drive.VarTypeArray();
     drive.nodeHeadVarType();
     String[] variablel = drive.Variablelist();
     drive.lipsvariablist();
     drive.NodeOrigin();
drive.nodeInput();
     drive.numOfnodes();
     drive.noOfVariables();
     drive.Assignlist();
     drive.novarType();
     drive.varNameType();
     drive.nodeNumName();
     drive.driverMat();
     String[][] lookupvar = drive.varNameType();
     //tempdrive = drive.driverMat();
     long leng1 = variablel.length;
     int varlistlength = (int) leng1;
     int counter;
     String s1="";
     String s2="";
     String s3 = "";
     String s4 = "";
     String s6 = "";
     int s5=0, c=0;
     while(variablel[k] !=null){
          k=k+1;
     int i1, j1;
     String varname, varnumber;
     varnumber = "";
while(i<=variablel.length-1){
     if(variablel!=null){
     c=c+1;
     i=i+1;
try{
     ind1=0; ind2 = 0;i=0;
while(!(variablel[i].equals("end of file"))){
     s1 = variablel[i];
     i=i+1;
     s2 = variablel[i];
     i=i+1;
     System.out.println("     " + s1+"     "+s2);
while(!(variablel[i].equals("end of input variable"))){
     s4 = variablel[i];
     i1=0;
     Brkwhile:while(i1<=lookupvar.length-1){
     j1=1;
     if(lookupvar[i1][j1] != null){
     if(lookupvar[i1][j1].equals(s4)){
          s3 = lookupvar[i1][0];
          break Brkwhile;
     i1=i1+1;
//ifirst.varNum = varnumber;
s5 = 0;
s6 = null;
ifirst= new iList(s3,s4, s5, s6);
ivarList.add(ifirst);
System.out.println(s3+"     "+s4+"     "+s5+"     "+s6);
i=i+1;
i = i + 1;
System.out.println("input list finished ");
while(!(variablel[i].equals("end of output variable"))){
     s4 = variablel[i];
     i1=0;
     j1=1;
     Brkwhile:while(lookupvar[i1][j1] != null){
          if(lookupvar[i1][j1].equals(s4)){
          s3 = lookupvar[i1][0];
          break Brkwhile;
     i1=i1+1;
     s5 = 0;
     s6 = null;
     ofirst= new oList(s3,s4, s5, s6);
     ovarList.add(ofirst);
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     i=i+1;
     llfirst = new lipsList(s1, s2, ivarList, ovarList);
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     i=i+1;
     catch (NullPointerException ne){
     catch (Exception d){}
public int isitOK(reqPacket sndNodetail)
     throws RemoteException{
     String nodnum = sndNodetail.srcNum;
     String varnum = sndNodetail.varNum;
     int status = 0;
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     try{mainbegin:while (llfirst != null){
          if((llfirst.nodeNum).equals(nodnum)){
          ofirst = ovarList.getFirst();
          while(ofirst != null){
               if((ofirst.varNum).equals(varnum)){
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               status = 1;
               break mainbegin;
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     llfirst = llfirst.next;
     catch (NullPointerException nl){}
     return status;
public int senData(dataPacket sendToRTS)
     throws RemoteException{
dataPacket datDetail = sendToRTS;
String nnum, vnum,typename, dval;
String dtype = "";
nnum = datDetail.nodeNum;
vnum = datDetail.varNum;
typename = datDetail.dataType;
dval = String.valueOf(datDetail.dataVal);
String [][] tempdrive, varnametype;
int status =0;
System.out.println("data received is from node " nnum " is "+ dval+"var num " +vnum);
status =0;
try{
//DriverMatrix_mthds drive = new DriverMatrix_mthds();
drive.VarTypeArray();
drive.Variablelist();
drive.NodeOrigin();
drive.nodeInput();
drive.numOfnodes();
drive.noOfVariables();
String[][] lookupvar = drive.novarType();
drive.varNameType();
drive.nodeNumName();
drive.driverMat();
tempdrive = drive.driverMat();
String varname="";
int i,j;
//with the recived var name get the var num
for(i=0; i<=lookupvar.length-1; i++){
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     if (tempdrive[i][j] != null){
     if (tempdrive[i][0].equals(vnum)){
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int Ccount =0;
//opchannel = llfirst.olist;
try{
     System.out.println("status"+status);
     if (status == 1){
          llfirst = list.getFirst();
     mainWhile: while (llfirst != null){
          if((llfirst.nodeNum).equals(nnum)){
               ofirst = ovarList.getFirst();
               while(ofirst != null){
               if((ofirst.varNum).equals(vnum)){
                    ofirst.varVal =dval;
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                    //check driver matrix fr the no of occurances
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               j=0;
               if (tempdrive[i][j] != null){
                    if (tempdrive[i][0].equals(vnum)){
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                    if(tempdrive[i][j] != null){
                    if(tempdrive[i][j].equals("1")){
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System.out.println("count"+Ccount);
ofirst.counter = Ccount;
ofirst.varNum = vnum;for(i=0; i<=lookupvar.length-1; i++){
for(j=0; j<=2; j++){
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     if(lookupvar[i][j].equals(vnum)){
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     ofirst.varName = varname;
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     break mainWhile;
     ofirst = ofirst.next;
     llfirst = llfirst.next;
     catch(NullPointerException s){}
/*use the vnum in the driver matrix and find out the nodes to which this variable
*has been sent as input , i mean destination nodes..
*find the node numbers ..knowing the node numbers parse through data structure
and set the input values to value and status 1./
llfirst = list.getFirst();
while(llfirst != null){
     ifirst = llfirst.ilist.getFirst();
     while(ifirst != null){
          if (ifirst.varNum.equals(vnum)){
          ifirst.varStat = 1;
          ifirst.varVal = dval;
          //     System.out.println("nodenum "+llfirst.nodeNum+" varval     " + ifirst.varVal +"     stat "+ifirst.varStat+" vnum " + ifirst.varNum);
     ifirst=ifirst.next;
     llfirst=llfirst.next;
     catch (Exception e){};
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public int isinputAvail(reqPacket inputReq)
     throws RemoteException{
     String srcnum = inputReq.srcNum;
     String varnum = inputReq.varNum;
     int availstatus =0;
     llfirst = list.getFirst();
     //System.out.println("llfirst.nodeNum     "+ llfirst.nodeNum);
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          ifirst = llfirst.ilist.getFirst();
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     llfirst = llfirst.next;
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     dtype="";
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     //     ipchannel = llfirst.ilist;
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     vnum = sendfromrts.varNum;
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          ifirst.varStat =0;
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//find type
try{
     DriverMatrix_mthds driver = new DriverMatrix_mthds();
     driver.VarTypeArray();
     driver.Variablelist();
     driver.NodeOrigin();
     driver.nodeInput();
     driver.numOfnodes();
     driver.noOfVariables();
     driver.novarType()     ;
     String[][] lookupvar = driver.varNameType();
     int i, j;
     String varNum = vnum;
     for(i=0; i<=lookupvar.length-1; i++){
          j=0;
          if(lookupvar[i][j] != null){
          if(lookupvar[i][j].equals(vnum)){
          dtype = lookupvar[i][2];
     catch (Exception d){}
     dataPacket retpac = new dataPacket(nnum, vnum, dtype, dval);
     System.out.println("msg sent "+ nnum +"     " + vnum+" "+ dtype+"     "+ dval);
     return retpac;
public String findnodeName(String nodeNum)
     throws RemoteException{
String nnum = nodeNum;
llfirst = list.getFirst();
while (llfirst != null){
     if((llfirst.nodeNum).equals(nnum)){
     return llfirst.nodeName;
     llfirst = llfirst.next;
     System.out.println("node Number does not match with the list of node numbers generated..try again");
     return null;
//find the nodenum given the node name
public String findnodenum(String nodename)
     throws RemoteException{
     String nodenumber ="";
     String nodname = nodename;
     try{DriverMatrix_mthds driver = new DriverMatrix_mthds();
     driver.VarTypeArray();
     driver.Variablelist();
     driver.NodeOrigin();
     driver.nodeInput();
     driver.numOfnodes();
     driver.noOfVariables();
     driver.novarType()     ;
     driver.varNameType();
     String[][] lookupnode = driver.nodeNumName();
     int i, j;
     for(i=0; i<=lookupnode.length-1; i++){
     for(j=0; j<=2; j++){
          if(lookupnode[i][j] != null){
          if(lookupnode[i][j].equals(nodname)){
               nodenumber = lookupnode[i][2];
     catch (Exception d){}
     return nodenumber;
public String findvarnum(String variablename)
     throws RemoteException{
     String varnumber = "";
     try{
     DriverMatrix_mthds driver = new DriverMatrix_mthds();
     driver.VarTypeArray();
     driver.Variablelist();
     driver.NodeOrigin();
     driver.nodeInput();
     driver.numOfnodes();
     driver.noOfVariables();
     driver.novarType()     ;
     String[][] lookupvar = driver.varNameType();
     int i, j;
     String varname = variablename;
     for(i=0; i<=lookupvar.length-1; i++){
     for(j=0; j<=2; j++){
          if(lookupvar[i][j] != null){
          if(lookupvar[i][j].equals(varname)){
               varnumber = lookupvar[i][0];
catch (Exception d){}
return varnumber;
public String findvartype(String varname)
     throws RemoteException{
     String vartype = "";
     try{
     DriverMatrix_mthds driver = new DriverMatrix_mthds();
     driver.VarTypeArray();
     driver.Variablelist();
     driver.NodeOrigin();
     driver.nodeInput();
     driver.numOfnodes();
     driver.noOfVariables();
     driver.novarType();
     String[][] lookupvar = driver.varNameType();
     int i, j;
     String varName = varname;
     for(i=0; i<=lookupvar.length-1; i++){
     for(j=0; j<=2; j++){
          if(lookupvar[i][j] != null){
          if(lookupvar[i][j].equals(varName)){
               vartype = lookupvar[i][2];
catch (Exception d){}
return vartype;
public String findtypenum(String vartype){
String varnum = "";int i;
try{
     DriverMatrix_mthds driver = new DriverMatrix_mthds();
     driver.VarTypeArray();
     driver.Variablelist();
     driver.NodeOrigin();
     driver.nodeInput();
     driver.numOfnodes();
     driver.noOfVariables();
     String varNum[][] =      driver.novarType()     ;
     String varType = vartype;
     for(i=0; i<=9-1; i++){
          if(varNum[i][0] != null){
          if(varNum[i][0].equals(varType)){
               varnum = varNum[i][1];
catch (Exception d){}
return vartype;
//return input variable list
public String[] inoutchanlist(String nodenum, String nodenam)
     throws RemoteException{
try{
     DriverMatrix_mthds drive = new DriverMatrix_mthds();
     String[] varLIST = drive.Variablelist();
     int i=0;int j;
     while(varLIST[i]!=null){
          i=i+1;
     int arrlength = i;
     inoutChan = new String[arrlength];
     i=0; j=0;
     WHILELOOP:
     while(!(varLIST[i].equals("end of file"))){
     while(varLIST[i].equals(nodenum)){
          i=i+1;
          while(varLIST[i].equals(nodenam)){
               i=i+1;
               while(!(varLIST[i].equals("end of input variable"))){
                    inoutChan[j] = varLIST[i];
                    i=i+1;
                    j=j+1;
          System.out.println("endofinput");
          inoutChan[j]="endofinchan";
          j=j+1;
          i=i+1;
          while(!(varLIST[i].equals("end of output variable"))){
     inoutChan[j] = varLIST[i];
     i=i+1;
     j=j+1;
     System.out.println("endofoutput");
     inoutChan[j]="endofoutchan";
     break WHILELOOP;
     i=i+1;
     arrlength =j;
     for(j=0; j<=arrlength-1; j++){
     System.out.println(inoutChan[j]);
     catch (Exception e){}
     return inoutChan;
public String[] inchannel(String[] inoutChan) throws RemoteException{
int count=0;int i=0, j=0;
System.out.println("entered");
while(inoutChan[count]!=null){
     System.out.println(count + " " +inoutChan[count]);
     count=count+1;
     inChan = new String[count];
     while(!(inoutChan[i].equals("endofinchan"))){
     inChan[j] =inoutChan[i];
     j=j+1; i=i+1;
return inChan;
public String[] outchannel(String[] inoutChan) throws RemoteException{
int count=0;int i=0, j=0;
System.out.println("entered");
while(inoutChan[count]!=null){
     System.out.println(count + " " +inoutChan[count]);
     count=count+1;
     outChan = new String[count+1];
     while(!(inoutChan[i].equals("endofinchan"))){
          i=i+1;
     i=i+1;
     while(!(inoutChan[i].equals("endofoutchan"))){
          outChan[j] =inoutChan[i];
          j=j+1; i=i+1;
     return outChan;
public String[] invarChan(String nodename, int guardno)throws RemoteException{
try{
DriverMatrix_mthds drive = new DriverMatrix_mthds();
invarLIST = drive.invarlist();
int i=0;int j;
while(invarLIST[i]!=null){
     i=i+1;
     int arrlength = i;
     inVAR = new String[arrlength];
     i=0; j=0;
          WHILELOOP: while(!(invarLIST[i].equals("end of file"))){
               if (invarLIST[i].equals(nodename)){
     i=i+1;
     while(!(invarLIST[i].equals(nodename+String.valueOf(guardno)))){
     i=i+1;}
     i=i+1;
     while(!(invarLIST[i].equals("endofguard"))){
     System.out.println(invarLIST[i]);inVAR[j]=invarLIST[i]; i=i+1; j=j+1;}
     break WHILELOOP;}
     i=i+1;}
}catch (Exception d){}
return inVAR;
public String[] outvarChan(String nodename, int guardcount)throws RemoteException{
     try{
     DriverMatrix_mthds drive = new DriverMatrix_mthds();
     outvarLIST = drive.outvarlist();
     int i=0;int j;
     while(outvarLIST[i]!=null){
          i=i+1;
     int arrlength = i;
     outVAR = new String[arrlength];
     i=0; j=0;
     WHILELOOP: while(!(outvarLIST[i].equals("end of file"))){
          if (outvarLIST[i].equals(nodename)){
               i=i+1;
               while(!(outvarLIST[i].equals(nodename+String.valueOf(guardcount)+"guard"))){
                    i=i+1;}
          i=i+1;
          while(!(outvarLIST[i].equals("end guard"))){
          System.out.println(outvarLIST[i]);outVAR[j]=outvarLIST[i]; i=i+1; j=j+1;}
          break WHILELOOP;}
     i=i+1;}
}catch (Exception d){}
return outVAR;
private static Boolean start;
private static Boolean tstart;
public void sendstart(Boolean start) throws RemoteException {
     tstart = start;
public Boolean getstart() throws RemoteException{
     return tstart;
private static Boolean done;
private static Boolean tdone;
public void senddone(Boolean done) throws RemoteException {
     tdone = done;
public Boolean getdone() throws RemoteException{
     return tdone;
private static Boolean vac_busy1;
private static Boolean tvac_busy1;
public void sendvac_busy1(Boolean vac_busy1) throws RemoteException {
     tvac_busy1 = vac_busy1;
public Boolean getvac_busy1() throws RemoteException{
     return tvac_busy1;
private static int cus1_rit1;
private static int tcus1_rit1;
public void sendcus1_rit1(int cus1_rit1) throws RemoteException {
     tcus1_rit1 = cus1_rit1;
public int getcus1_rit1() throws RemoteException{
     return tcus1_rit1;
private static int cus1_rit2;
private static int tcus1_rit2;
public void sendcus1_rit2(int cus1_rit2) throws RemoteException {
     tcus1_rit2 = cus1_rit2;
public int getcus1_rit2() throws RemoteException{
     return tcus1_rit2;
private static int cus1_rit3;
private static int tcus1_rit3;
public void sendcus1_rit3(int cus1_rit3) throws RemoteException {
     tcus1_rit3 = cus1_rit3;
public int getcus1_rit3() throws RemoteException{
     return tcus1_rit3;
private static int cus1_it1;
private static int tcus1_it1;
public void sendcus1_it1(int cus1_it1) throws RemoteException {
     tcus1_it1 = cus1_it1;
public int getcus1_it1() throws RemoteException{
     return tcus1_it1;
private static int cus1_it2;
private static int tcus1_it2;
public void sendcus1_it2(int cus1_it2) throws RemoteException {
     tcus1_it2 = cus1_it2;
public int getcus1_it2() throws RemoteException{
     return tcus1_it2;
private static int cus1_it3;
private static int tcus1_it3;
public void sendcus1_it3(int cus1_it3) throws RemoteException {
     tcus1_it3 = cus1_it3;
public int getcus1_it3() throws RemoteException{
     return tcus1_it3;
private static int stkit_11;
private static int tstkit_11;
public void sendstkit_11(int stkit_11) throws RemoteException {
     tstkit_11 = stkit_11;
public int getstkit_11() throws RemoteException{
     return tstkit_11;
private static int stkit_12;
private static int tstkit_12;
public void sendstkit_12(int stkit_12) throws RemoteException {
     tstkit_12 = stkit_12;
public int getstkit_12() throws RemoteException{
     return tstkit_12;
private static int stkit_13;
private static int tstkit_13;
public void sendstkit_13(int stkit_13) throws RemoteException {
     tstkit_13 = stkit_13;
public int getstkit_13() throws RemoteException{
     return tstkit_13;
private static int c1_it1;
private static int tc1_it1;
public void sendc1_it1(int c1_it1) throws RemoteException {
     tc1_it1 = c1_it1;
public int getc1_it1() throws RemoteException{
     return tc1_it1;
private static int c1_it2;
private static int tc1_it2;
public void sendc1_it2(int c1_it2) throws RemoteException {
     tc1_it2 = c1_it2;
public int getc1_it2() throws RemoteException{
     return tc1_it2;
private static int c1_it3;
private static int tc1_it3;
public void sendc1_it3(int c1_it3) throws RemoteException {
     tc1_it3 = c1_it3;
public int getc1_it3() throws RemoteException{
     return tc1_it3;
//endoffile

Help needed to run a power Mac ap on Intel Mac.

Hi, I have a Davis Vantage Pro weather station that ran happily on my old Quicksilver Power Mac. Now I have upgraded to a Mac pro machine running Tiger, the 'Weatherlink' software won't work. Davis, a main player in scientific technologies have not upgraded their Mac software (unbelievably!)
Will Rosetta help here? .... or do I need to get a P.C?
Hope someone can advise.
Thanks
Lunasa

PPC apps run transparently on Intel Macs, however, in your case it may be a matter of incompatibility. The software is simply not compatible with the current versions of OS X. This has nothing to do with Rosetta. You would have the same problem on your QuickSilver were you to upgrade to Tiger.
If you transferred the software using Migration Assistant, then try reinstalling the software on the Intel Mac (but first be sure you fully uninstall the transferred app.)

Newbie help needed w/Graphics class!

Hi everyone,
I'm stuck on something I know is very simple to do, but I can't seem to find the right combination. I have a derived class that draws a circle using the graphics class. I'm getting compilation errors when I try to set the color and draw the circle. I have looked thru these forums as well as the API. Below is my code. Any pointers would be highly appreciated!
import java.awt.Graphics;
public class SmartCircle extends SmartShape
SmartCircle(int first, int second, int third, Color c)
super(first, second, third, c);
public void draw(Graphics g)
setColor(Color c);
fillOval(first, second, size, size);
}

Here is SmartShape. It is located in the same directory as SmartCircle, so therefore doesn't need to be imported, correct?
public abstract class SmartShape
//define instance variables
protected int positionX, positionY, size;
protected Color theColor;
public SmartShape()
     //initialize variables
     positionX = 20;
     positionY = 20;
     theColor = Color.white;
public SmartShape(int first, int second, int third, Color c)
     if (first >= 0)
     positionX = first;
     else
     positionX = 0;
     if (second >= 0)
     positionY = second;
     else
     positionY = 0;
     if (third >= 0)
     size = third;
     else
     size = 0;
     theColor = c;
public abstract void draw(Graphics g);
Hope that helps!
Melissa

Help needed with collection classes

Howdie all,
I'm new to Java, and for the most part, I can do it.
I'm stuck on how to do the following:
I have to write a program that simulates a deck of cards, including shuffling (involving cards are re-collected), dealing cards. I have to create 52 objects of the card class. The only things that I can use involve some of the collection classes (arrays, dynamic lists, vectors, dictionaries), queues/stacks
I dont know:
** what to use. should i use a dyn list or a vector
**how the heck would i shuffle the cards?
** for dealing the cards, i figued i would just use a loop to draw a set of cards (face and suit)
i am not asking for code on how to do it (though pseudo-code/alogorithm may help). i just dont know where to start..i am totally stuck.
thanks a bunch!

I would suggest you to use the LinkedList class for the deck representation.
To create the cards you could use
for i = 0 to 51
new Card(i);
In Card constructor do something like
int colour = i/13+1; // (1-4, one for each colour)
int value = i%13+1; // (1-13, ace-king)
To shuffle you could
for i = 0 to 100
j = radom(52)
k = random(52)
swap(card#j, card#k)
This will swap 2 random cards 100 times.
To draw cards
Card c = cards.remove(0)
or
Card c = cards.remove(radom(cards.size()))
In the later, the shuffle part is not really needed.
thought about this some more and now i have another
question:
when using a dyn linked library, i am not even sure
how to create the 52 objects. previously when doing
project like this, i just used a random function to
generate the cards, and used switch statements for the
non-numbered cards and for the suite. how would i do
accomplish this when using a collection class?
Howdie all,
I'm new to Java, and for the most part, I can do it.
I'm stuck on how to do the following:
I have to write a program that simulates a deck of
cards, including shuffling (involving cards are
re-collected), dealing cards. I have to create 52
objects of the card class. The only things that Ican
use involve some of the collection classes (arrays,
dynamic lists, vectors, dictionaries),queues/stacks
I dont know:
** what to use. should i use a dyn list or avector
**how the heck would i shuffle the cards?
** for dealing the cards, i figued i would just usea
loop to draw a set of cards (face and suit)
i am not asking for code on how to do it (though
pseudo-code/alogorithm may help). i just dont know
where to start..i am totally stuck.
thanks a bunch!

Help needed regarding Scanner class

hello
i'm really desperate for help, i'll mention that this is homework,but i need a small guidance.
i need to code a calculator,we need to use the Scanner class to break the expression to tokens(we CANNOT use other classes).
my main problem is about getting those tokens from the input string.
i tried breaking a string to tokens for hours but just couldnt do it.
a legal expression is something like:
xyzavbx1111+log(abc11*(2+5))+sin(4.5)
iilegal is : xx333aaaa111+2 or log()+2
where the alphanumerics are variables(sequence of letters followed by numbers)
i managed to get the tokens out of a string that looks like that:
String expression = "ax11111+32/3+4*2^2"
by doing:
_token = new Scanner(expression);
while(hasNext(_token)) getNextToken(_token,"\\d+(\\.\\d+)?|(\\+)|(\\-)|(\\*)|(\\/)|(\\^)|([a-zA-Z]+(\\d+));
public static boolean hasNext(Scanner s) {
return s.hasNext();
public static String getNextToken(Scanner s,String str) {
return s.findInLine(str);
but i can't get the tokens when i have sin ,cos or log in the expression
either it just ignores it or i'm looping infinitely.
my question is how can i make the regular expression include the sin log and cos?
I also know that when i'll use the "matches" method ,i'll be able to spot illegal arguments like 5//2+ because it doesnt match the pattern.
so any help conecrning the regular expression would be great thanks alot.

thx , but i already got it,after trying tons of combinations
i'll post the format i used in case someone will find this thread in the future ,while looking for something similar
the format is:
"(\\s)|(log)|(sin)|(cos)|(\\d+(\\.\\d+)?)|(\\+)"+
"|(\\-)|(\\*)|(\\/)|(\\^)|([a-zA-Z]+(\\d+))|(\$)|(\$)|(\\s)";
which includes white spaces between arguments and operators

Help needed in running a java program

hi
how to run a java program using another java program.
i have tried a litte to run the notepad,mspaint applications sucessfully using the Runtime class,but how to specify a java program init . the program is given below
public class cls
public static void main(String args[])
Runtime r=Runtime.getRuntime();
Process p=null;
try{
    p=r.exec("notepad" );}
    catch(Exception e) {
    System.out.println("error on execution");
}to run another java program how to modify the exec() or any other way to do this.

thank u
its working without any error but it doesn't print any thing on the screen.
the program is
this program to be run by cls.java
                                         // hello.java
import java.io.*;
public class hello
public static void main(String[] args)
    System.out.println("hello world");
}cls.java is given below
                                                //cls.java
public class cls
public static void main(String args[])
Runtime r=Runtime.getRuntime();
Process p=null;
try{
    p=r.exec("java hello" );}
    catch(Exception e) {
    System.out.println("error on execution");
}

Help needed for running Aggregation map for a compressed cube

Hello everybody,
I am having problem in running an Aggregation map using a model on a compressed cube. Please find the model and Aggregation map descriptions below.
---Model
DEFINE MYMODEL MODEL
MODEL
DIMENSION this_aw!ACCOUNT
ACCOUNT('NIBT') = nafill(OPINC 0) + nafill(OTHINC 0)
END
-----Aggregation Map
DEFINE MY_AGGMAP AGGMAP
AGGMAP
MODEL MYMODEL PRECOMPUTE(ALL)
AGGINDEX OFF
END
While running the aggregate on an uncompressed cube the Model is working fine but when I am trying to aggregate a compressed cube it is throwing me error (String index out of range: -1). I would appreciate if anyone could provide some thought to this problem.
The cubes has five dimensions apart of ACCOUNT and it is partitioned by PERIOD. I am using Oracle 10g 10.2.0.4.0 with AWM.
Thanks,
Vishal
Edited by: user7740133 on Sep 16, 2008 5:23 PM

Vishal,
I am not sure of using composites to run the model but you can limit your dimensions values to some values(which has data) and then run the model on cube_prt_topvar and aggregate the cube using default aggmap. You have to limit all dimensions to all before you run the agggmap.
I just saw the account model you posted initially. In your scenario you can limit your account dimension to have only three values 'NIBT' 'OPINC' 'OTHINC' and for other dimension to all. Now when you run the model you will not get values aggregated for account but for others you will see the aggregated value. If you would like to aggregate values for account also then I would suggest you to limit all the dimensions to leaf level and then run the model and then aggregate the cube using default aggmap.
Hope this helps.
Thanks
Brijesh
Edited by: BGaur on Oct 25, 2008 1:10 PM

Help needed with SimpleDateFormat class

I am trying to do this:
try {
SimpleDateFormat df = new SimpleDateFormat("MM/dd/yyyy");
expirationDate = df.parse(expirationDateStr);
}catch (ParseException e)
The problem I am having is it takes in dates like 15/6/2004 and converts it into 3/6/2005. Doesn't java provide validation for that? Do I need to do the validation myself for months and dates?
Your help is appreciated. Thanks!

Cool Thank you..That worked..

Help needed with Timer class

Hi there, could any body tell me if this is a bug with AS3
Timer class? Right now I'm developing a player with slow motion
capability using AS3, streaming from FMS3. Basically I used an
instance of Timer class to toggle play/pause at different
intervals. However, after doing some stress test (click slow then
play repeatedly fast), the flash player goes into a state in which
the video streams keeps going at slow motion and cannot be stopped
even with ns.close(). I called Timer.stop() whenever switching out
of slowmo and even removed the event. However as I was tracing it,
at the non-stoppable state, something is still calling the timer
and its handling function while Timer.running and
Timer.hasEventListener both returns false. I'm quite sure there's
nothing else that calls this specific timer handler.
Moreover, just out of curiosity, I changed my code and used
setInterval() method instead and the problem's gone. Would anybody
tell me if there's a bug with the Timer class or a bug in my own
code? I'm reluctant to go with setInterval() for good since Timer
class looks more elegant.
Thanks a lot!

Thanks, kglad! That was exactly my first thought. I made sure
I only used 1 timer object. Also, the strange thing is, the player
USUALLY works fine. It only breaks down after a a stress test I
described before. Any other suggestion on what I should do? Is
there a way to check who's dispatching the timer event?

Help needed in running the HTML code

<html>
<head>
<script language="LiveScript">
function WinOpen() {
msg=open("","DisplayWindow","toolbar=no,directories=no,menubar=no");
msg.document.write("<HEAD><TITLE>Yo!</TITLE></HEAD>");
msg.document.write("<CENTER><h1><B>This is really cool!</B></h1></CENTER>");
msg.document.write("<body>Hi</body>");
</script>
</head>
<body>
<form>
<input type="button" name="Button1" value="Push me" onclick="WinOpen()">
</form>
</body>
</html>
whenever i save the abouve code in .htm extension and try to run it, I am able to run it sucessfully.
But whenever I run the below code by saving it as .htm extension then its not running sucessfully:
<html>
<head>
<script language="LiveScript">
function WinOpen() {
msg=open("","DisplayWindow","toolbar=no,directories=no,menubar=no");
msg.document.write("<HEAD><TITLE>Yo!</TITLE></HEAD>");
msg.document.write("<CENTER><h1><B>This is really cool!</B></h1></CENTER>");
msg.document.write("<body><form>
<TABLE cellSpacing=1 cellPadding=1 width="75%" bgColor=silver border=1>
<TR>
<TD><STRONG>Enter Numeric Value *:</STRONG> </TD>
<TD><INPUT name="tbAlphaNumeric" CatsType="NUMERIC" label="Alphanumeric" Mandatory="YES"> </TD>
</TR>
</TABLE>
</form></body>");
</script>
</head>
<body>
<form>
<input type="button" name="Button1" value="Push me" onclick="WinOpen()">
</form>
</body>
</html>
Here I want to display text box in a new fresh field...
Thanks in advance:)

Hi,
The code did work. But I am not sucessfully able to display the values entered in 2nd page in the 3rd page.Please find the code below:
<html>
<head>
<script language="LiveScript">
function WinOpen() {
if (document.form1.cap.value == "")
alert("Enter value in text box");
return;
msg=open("","DisplayWindow","toolbar=no,directories=no,menubar=no, scrollbars=yes");
msg.document.write("<HTML><HEAD><TITLE>Yo!</TITLE></HEAD>");
msg.document.write("<CENTER><h1><B>This is really cool!</B></h1></CENTER>");
msg.document.write('<BODY><form name="form2">');
for(var i =0; i < document.form1.cap.value; i++)
msg.document.write("<INPUT type=text name=tbAlphaNumeric>");
msg.document.write("<br>");
msg.document.write('<input type="button" name="Button2" value="Steal" onClick="javascript:window.opener.WinShow();">');
msg.document.write('</form></BODY></HTML>');
function WinShow() {
msg=open("","DisplayWindow","toolbar=no,directories=no,menubar=no, scrollbars=yes");
msg.document.write("<HTML><HEAD><TITLE>Great!</TITLE></HEAD>");
msg.document.write("<CENTER><h1><B>Display of second page text elements!</B></h1></CENTER>");
msg.document.write('<BODY><form name="form3">');
for(var j =0; j < document.form1.cap.value; j++)
msg.document.write(document.form2.tbAlphaNumeric[j].value);
msg.document.write("<br>");
msg.document.write('</form></BODY></HTML>');
</script>
</head>
<body>
<form name="form1">
<INPUT type= "text" name=cap>
<input type="button" name="Button1" value="Push me" onClick="WinOpen()">
</form>
</body>
</html>

Help needed to run a JMS application on WSAD

Hello everybody,
I�m trying to execute a JMS application which calls a QueueConnectionFactory and a Queue by JNDI lookup.
I had configured these queues & Connection Factory at the server configuration for the JMS Server & these are being displayed while the server is starting up that these names had been binded.until here it�s ok.
But the problem comes when I try to us my JMS program with configurations as websphere 5.1 application client.\
The error is being displayed as :
com.ibm.websphere.naming.CannotInstantiateObjectException: Exception occurred while the JNDI NamingManager was processing a javax.naming.Reference object.
[Root exception is java.lang.Exception: De-reference of JMS provider's Reference failed - check provider is on classpath]
WSCL0100E: Exception received: java.lang.reflect.InvocationTargetException
If any body can check this out please help.
best regards,
Raju Cherukuri.

Hi,
I am facing the same issue. Also regarding the resolution posted in this thread, to add the MQ jars in the classpath, do I still have to do if I am using the embedded JMS and not MQ.
Cosmo can you pls explain what are the steps to do, for whatever you've suggested.
Regards,
Hari

Help needed for Service class

When trying to retrieve information for a form that contains textbox so as to display product information on a form I am getting an error which is listed below
java.lang.NullPointerException
file:/K:/Learner/JavaFx2/ProductApplication/dist/run876373360/ProductApplication.jar!/com/product/app/view/viewsingle.fxml
at com.product.app.controller.ViewSingleController.initialize(ViewSingleController.java:70)
and here is the code for controller as well as service class
package com.product.app.controller;
import com.product.app.model.Product;
import com.product.app.service.ViewProductsService;
import com.product.app.util.JSONParser;
import com.product.app.util.TagConstants;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;
import javafx.collections.ObservableList;
import javafx.concurrent.Service;
import javafx.concurrent.Task;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.Region;
import javafx.stage.Stage;
import javax.swing.JOptionPane;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONObject;
* FXML Controller class
* @author Arun Joseph
public class ViewSingleController implements Initializable {
    private static String action = "";
    @FXML
    private TextField txtID;
    @FXML
    private TextField txtName;
    @FXML
    private TextField txtPrice;
    @FXML
    private TextArea txtDesc;
    @FXML
    private Region veil;
    @FXML
    private ProgressIndicator p;
    private ViewProductsService service = new ViewProductsService();
    private JSONObject product = null;
    private JSONParser parser = new JSONParser();
    private int pid = 1;
    public void setPid(int pid) {
        this.pid = pid;
     * Initializes the controller class.
    @Override
    public void initialize(URL url, ResourceBundle rb) {
        veil.setStyle("-fx-background-color: rgba(0, 0, 0, 0.4)");
        p.setMaxSize(150, 150);
        p.progressProperty().bind(service.progressProperty());
        veil.visibleProperty().bind(service.runningProperty());
        p.visibleProperty().bind(service.runningProperty());
        Product product = new Product();
        service.start();
        ObservableList<Product> products = service.valueProperty().get();
        products.get(pid);
        txtID.textProperty().set(String.valueOf(products.get(pid).getPid()));
        //product = service.valueProperty().get().get(pid);
        //txtID.setText(String.valueOf(product.getPid()));
        txtName.textProperty().set(product.getName());
        txtPrice.textProperty().set(String.valueOf(product.getPrize()));
        txtDesc.textProperty().set(product.getDescription());
    private SomeService someService = new SomeService();
    @FXML
    private void handleUpdateButtonClick(ActionEvent event) {
        action = "update";
        someService.start();
        p.progressProperty().bind(service.progressProperty());
        veil.visibleProperty().bind(service.runningProperty());
        p.visibleProperty().bind(service.runningProperty());
    @FXML
    private void handleDeleteButtonClick(ActionEvent event) {
        action = "delete";
        someService.start();
        p.progressProperty().bind(service.progressProperty());
        veil.visibleProperty().bind(service.runningProperty());
        p.visibleProperty().bind(service.runningProperty());
    @FXML
    private void handleCancelButtonClick(ActionEvent event) {
        closeStage();
    private void closeStage() {
        ViewSingleController.stage.close();
    private static Stage stage = null;
    public static void setStage(Stage stage) {
        ViewSingleController.stage = stage;
    private class SomeService extends Service<String> {
        @Override
        protected Task<String> createTask() {
            return new SomeTask();
        private class SomeTask extends Task<String> {
            @Override
            protected String call() throws Exception {
                String result = "";
                int success = 0;
                List<NameValuePair> params = new ArrayList<NameValuePair>();
                switch (action) {
                    case "update":
                        params.add(new BasicNameValuePair("pid", txtID.getText()));
                        params.add(new BasicNameValuePair("name", txtName.getText()));
                        params.add(new BasicNameValuePair("price", txtPrice.getText()));
                        params.add(new BasicNameValuePair("description", txtDesc.getText()));
                        product = parser.makeHttpRequest(TagConstants.url_update_product_with_id, "POST", params);
                        success = product.getInt(TagConstants.TAG_SUCCESS);
                        if (success == 1) {
                            result = "Successfully Updated the product";
                            JOptionPane.showMessageDialog(null, result);
                            closeStage();
                        break;
                    case "delete":
                        params.add(new BasicNameValuePair("pid", txtID.getText()));
                        product = parser.makeHttpRequest(TagConstants.url_delete_product_with_id, "POST", params);
                        success = product.getInt(TagConstants.TAG_SUCCESS);
                        if (success == 1) {
                            result = "Successfully Deleted the product";
                            JOptionPane.showMessageDialog(null, result);
                            closeStage();
                        break;
                return result;

Is line 70 in the code above
txtPrice.textProperty().set(String.valueOf(product.getPrize()));
also line 70 in your original code? (Sometimes the syntax highlighter seems to delete blank lines.) If so, then txtPrice must be null, which would likely be caused by the fx:id attribute for it being set incorrectly in the fxml file.
Check which is line 70 in the original code though.

Help needed to run 2 classes....

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