Ctxsrv on a different server then the database?
Hi,
I have a table with a column containing a full file path to
documents stored out on the server. This column has a text index
on it with datastore=BFILE
Now the customer wants to move the database to a dedicated db-
server, and the problem is that from this server it would not be
possible to see the documents referred to from the indexed
column.
I had an idea to keep the ctxsrv-process running on the original
server ( where all documnts are accessible ) and log on to the
database over Sql*Net.
I managed to set this up but when I try to index documents I end
up with a lot of "DRG-11513: unable to open or write to file"
Is this setup impossible?, any ideas on how to deal with this
problem?
regards /Curt
Hi,
ctxsrv is for further releases not longer supported and you have
to use ctx_ddl.sync and this has to run on the database site.
So if you are not allowed to map the filesystem then
I think the nicest method is to use URL_DATASTORE and got the
files via a weblistener from your 'file store server'.
Cheers
Thomas
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we are creating sales orders in R/3 and executing a sales order check based on a planning area in APO.
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Thanks for the reply.
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Edited by: jainprit on Nov 7, 2010 10:29 PMWell yes, you can use database links to access your DWH tables/views from your APEX Database.
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Hi Everyone
I have a probem in substracting the two elements of two different 1-D arrays. The problem is, I am taking out data from a CCD camera which gives me data in form of 2-D array. So i select 1-D array out of it. Now this CCD output is in a timed loop, hence i am getting data in each loop. I select a perticular array output of the CCD and this is then passed to shift register and in all the loops later on, one of the element of the output array of the CCD is substracted from the same indexed element of the selected array. For reference i have pasted the snap shot of the block diagram. In this snap shot you see three probes. The value at the prob 1 is 232, at probe 2 is 255 and at 3 is 4294967273, where as actually i sould have a value of -23 since i am substacting prob 1 and probe 2 values. Since the value of probe 2 will always remain at 255 as i have fixed it by choosing an array form CCD and i checked the value of probe 1 which never goes above 255 so why do i get this false value here.
Can you please help me in problem.
Regards
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Attachments:
clip_image0011.gif 15 KBYour data is U32 (unsigned integer) which does not have negative values. According to unsigned integer math, "negative" results will wrap.
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Message Edited by altenbach on 03-17-2008 11:15 AM
LabVIEW Champion . Do more with less code and in less time . -
WHy SAP PI Needs different server then R/3
I am new to SAP PI. I have following queries:-
1. Why cannot we install sap pi so same server as that of sap r/3.
2. What are the server requirements for installation of SAP PI 7.4 dual stack.
request gurus to put some light on these two queries.
Thanks in advanceHi Nav,
1. Why cannot we install sap pi so same server as that of sap r/3.
From Personal experience - SAP PI is a integration server.
If they need to take down your r/3 system box and your entire integration goes down. All communication
We also might open ports and IP's for the integration box that you might want open on the r/3 box.
You have more control and up time if your are on 2 servers.
Those were just from experience and i know SAP recommends that you have 2 servers and not 1 for both.
2. What are the server requirements for installation of SAP PI 7.4 dual stack.
Please see links below.
Installation Options for Process Integration and Orchestration Use Cases
Hardware Requirements
Hardware requirement for install PI 7.3
Download and Installation of Process Orchestration 7.31
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Actionlistener in different class then the button
hello,
i am stuck on this piece of code and i think somebody here will be able to help me out :).
i have these classes.
ButtonPanel, Test.
in the buttonpanel i have a few buttons, but the actionlistener is an innerClass in Test.
when i want to add one of my actionlisteners in my ButtonPanel class the compiler cannot resolve symbol.
this is a snippet of code:
the buttons in buttonpanel class:
btnStart = new JButton("Start");
btnStart.addActionListener(new startActionListener());
btnStop = new JButton("Stop");
btnStop.addActionListener(new stopActionListener());
btnTest = new JButton("Test");
btnTest.addActionListener(new testActionListener());The actionlisteners in Test class:
public class startActionListener implements ActionListener{
public void actionPerformed(ActionEvent e){
java.awt.Toolkit.getDefaultToolkit().beep();//werkt niet
public class stopActionListener implements ActionListener{
public void actionPerformed(ActionEvent e){
java.awt.Toolkit.getDefaultToolkit().beep();//werkt niet
public class testActionListener implements ActionListener{
public void actionPerformed(ActionEvent e){
java.awt.Toolkit.getDefaultToolkit().beep();//werkt niet
}so basically its just how do use actionlisteners in the class that extends from the JFrame, in stead of in de ButtonPanel class where the buttons are?URgent help need.
i need to link the page together : by clicking the button on the index page.
it will show the revelant class file. I have try my ationPerformed method to the actionlistener, it cannot work.
Thanks in advance.
// class mtab
// the tab menu where it display the gui
import javax.swing.*;
import java.awt.*;
public class mtab {
private static final int frame_height = 480;
private static final int frame_width = 680;
public static void main (String [] args){
JFrame frame = new JFrame ("Mrt Timing System");
frame.setDefaultCloseOperationJFrame.EXIT_ON_CLOSE);
frame.setSize(frame_width,frame_height);
JTabbedPane tp = new JTabbedPane ();
tp.addTab("Mrt Timing System", new sample());
frame.setResizable(false);
frame.getContentPane().add(tp);
frame.setSize(680,480);
frame.show();
// index page
// class sample
import java.awt.*;
import java.awt.event.*;
import java.awt.Image;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import java.text.*;
import javax.swing.border.*;
class sample extends JPanel implements ActionListener
//button
private JButton TimingButton;
private JButton ViewButton;
private JButton FrequencyButton;
private JButton calculateButton;
private CardLayout mycard;
private JPanel SelectXPanel;
private JPanel SelectYPanel;
private JPanel SelectZPanel;
private JPanel bigFrame, mainPane;
// constructor
public sample() {
super(new BorderLayout());
//create the object
//create button and set it
TimingButton = new JButton("MRT Timing Calculator");
TimingButton.addActionListener(this);
ViewButton = new JButton("View First and Last Train");
ViewButton.addActionListener(this);
FrequencyButton = new JButton("Show the Train Frequency");
FrequencyButton.addActionListener(this);
// Layout
//Lay out the button in a panel.
JPanel buttonPane = new JPanel(new GridLayout(3,0));
buttonPane.add(TimingButton);
buttonPane.add(ViewButton);
buttonPane.add(FrequencyButton);
// Layout the button panel into another panel.
JPanel buttonPane2 = new JPanel(new GridLayout(0,1));
buttonPane2.add(buttonPane);
tfrequency x = new tfrequency();
fviewl2 y = new fviewl2 ();
timing z = new timing ();
JPanel SelectXPanel = new JPanel(new GridLayout(0,1));
SelectXPanel.add(x);
JPanel SelectYPanel = new JPanel(new GridLayout(0,1));
SelectYPanel.add(y);
JPanel SelectZPanel = new JPanel(new GridLayout(0,1));
SelectZPanel.add(z);
// Layout the button by putting in between the rigid area
JPanel mainPane = new JPanel(new GridLayout(3,0));
mainPane.add(Box.createRigidArea(new Dimension(0,1)));
mainPane.add(buttonPane2);
mainPane.add(Box.createRigidArea(new Dimension(0,1)));
mainPane.setBorder(new TitledBorder("MRT Timing System"));
// x = new tfrequency();
// The overall panel -- divide the frame into two parts: west and east.
JPanel bigFrame = new JPanel(new GridLayout(0,2));
bigFrame.add(mainPane, BorderLayout.WEST);
//bigFrame.add(x,BorderLayout.EAST); // this is where i want to link the page
// this page being the index page. there being nothing to display.
add(bigFrame);
//Create the GUI and show it. For thread safety,
public void actionPerformed (ActionEvent e){
if (e.getSource() == TimingButton ){
JPanel bigFrame = new JPanel(new GridLayout(0,2));
bigFrame.add(mainPane, BorderLayout.WEST);
bigFrame.add(SelectZPanel,BorderLayout.EAST);
add(bigFrame);
else if (e.getSource() == ViewButton ){
JPanel bigFrame = new JPanel(new GridLayout(0,2));
bigFrame.add(mainPane, BorderLayout.WEST);
bigFrame.add(SelectYPanel,BorderLayout.EAST);
add(bigFrame);
else if (e.getSource() == FrequencyButton ){
JPanel bigFrame2 = new JPanel(new GridLayout(0,2));
bigFrame.add(mainPane, BorderLayout.WEST);
bigFrame.add(SelectXPanel,BorderLayout.EAST);
add(bigFrame);
// Train Frequency Page
// class fviewl2
import java.awt.*;
import java.awt.event.*;
import java.awt.Image;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import java.text.*;
import javax.swing.border.*;
class fviewl2 extends JPanel implements ActionListener
//Labels to identify the fields
private JLabel stationLabel;
private JLabel firstLabel;
private JLabel lastLabel;
//Strings for the labels
private static String station = "MRT Station:";
private static String first = "First Train Time:";
private static String last = "Last Train Time:";
//Fields for data entry
private JFormattedTextField stationField;
private JFormattedTextField firstField;
private JFormattedTextField lastField;
//button
private JButton homeButton;
private JButton cancelButton;
private JButton calculateButton;
public fviewl2()
super(new BorderLayout());
//create the object
//Create the Labels
stationLabel = new JLabel(station);
firstLabel = new JLabel (first);
lastLabel = new JLabel (last) ;
//Create the text fields .// MRT Station:
stationField = new JFormattedTextField();
stationField.setColumns(10);
stationField.setBounds(300,300,5,5);
//Create the text fields // First Train Time:
firstField = new JFormattedTextField();
firstField.setColumns(10);
firstField.setBounds(300,300,5,5);
//Create the text fields //Last Train Time:
lastField = new JFormattedTextField();
lastField.setColumns(10);
lastField.setBounds(300,300,5,5);
//Tell accessibility tools about label/textfield pairs, matching label for the field
stationLabel.setLabelFor(stationField);
firstLabel.setLabelFor(firstField);
lastLabel.setLabelFor(lastField);
//create button and set it
homeButton = new JButton("Home");
//homeButton.addActionListener(this);
cancelButton = new JButton("Cancel");
cancelButton.addActionListener(this);
calculateButton = new JButton("Get Time");
// Layout
//MRT Station Label // insert into the panel
JPanel StationPane = new JPanel(new GridLayout(0,1));
StationPane.add(stationLabel);
//MRT Station input field // insert into the panel
JPanel StationInput = new JPanel(new GridLayout(0,1));
StationInput.add(stationField);
//Get Time Button // insert into the panel
JPanel GetTime = new JPanel(new GridLayout(0,1));
GetTime.add(calculateButton);
//Lay out the labels in a panel.
JPanel FlabelL = new JPanel(new GridLayout(0,1));
FlabelL.add(firstLabel);
FlabelL.add(lastLabel);
// Layout the fields in a panel
JPanel FFieldL = new JPanel(new GridLayout(0,1));
FFieldL.add(firstField);
FFieldL.add(lastField);
//Lay out the button in a panel.
JPanel buttonPane = new JPanel(new GridLayout(1,0));
buttonPane.add(homeButton);
buttonPane.add(cancelButton);
// Layout all components in the main panel
JPanel mainPane = new JPanel(new GridLayout(4,2));
mainPane.add(StationPane);
mainPane.add(StationInput);
mainPane.add(Box.createRigidArea(new Dimension(0,1)));
mainPane.add(GetTime);
mainPane.add(FlabelL);
mainPane.add(FFieldL);
mainPane.add(Box.createRigidArea(new Dimension(0,1)));
mainPane.add(buttonPane);
mainPane.setBorder(new TitledBorder("View First and Last Train"));
JPanel leftPane = new JPanel(new GridLayout(1,0));
leftPane.add(Box.createRigidArea(new Dimension(0,1)));
leftPane.add(mainPane);
leftPane.add(Box.createRigidArea(new Dimension(0,1)));
JPanel hahaFrame = new JPanel(new GridLayout(0,1));
hahaFrame.add(Box.createRigidArea(new Dimension(0,1)));
hahaFrame.setBorder(BorderFactory.createEmptyBorder(30, 10, 80, 150));
hahaFrame.add(Box.createRigidArea(new Dimension(0,1)));
JPanel bigFrame = new JPanel();
bigFrame.add(hahaFrame, BorderLayout.NORTH);
bigFrame.add(leftPane, BorderLayout.CENTER);
add(bigFrame, BorderLayout.CENTER);
//Create the GUI and show it. For thread safety,
private void cancelButtonClicked()
stationField.setText("");
firstField.setText("");
lastField.setText("");
public void actionPerformed (ActionEvent e){
if (e.getSource() == cancelButton){
cancelButtonClicked();
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Running HTML DB apps on one machine with the database on another
I first want to apologize for this question being asked AGAIN.
I have spent the better part of the day reading through a lot posts regarding this issue (and there are a lot). My boss sent me this requirement on a new project that Oracle Forms and Reports run on one server and connect back to the database on another server for security. HTML DB needs to do the same thing.
The question:
I have found out that the DAD file needs to be modified to allow this type of set up to work and the HTTP server needs to be running on that server. He is asking what in the DAD file needs to be changed to allow this to work. Would someone provide me with an example of what would need to be changed?
Also, I'm confused on the implementation of this. Currently all the applications I've created are for "in-house" users. This project is the first (that I've done) that is going to be open to users outside the company. I'm confused on the link that will be supplied to the users. After I import my application into the production database, I run it to get the link and send that to our users. If the application is going to be run from a different server from the database, how is/will the link to run the application be built? I hope I'm describing this well.
Thanks,
JoeJoe,
You wouldn't have the database server "open to the outside world". All you'd need to have open would be the port for HTTP traffic.
There are two scenarios -
1) Having them both (DB & Apache) on the same machine
You would still only have the HTTP port open. The "fear" is that if the Apache server is compromised then they have access to the database machine.
2) Having them on separate machines.
In this case if the Apache server is compromised then, since by definition, you have a route from the Apache server to the DB server then they can still reach the DB machine from the Apache server machine.
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Now GPG signed packages are the way to go, but what if pacman would grab the md5 hashes from a different server then the one it got the package from
This thought is based on the assumption that if a package mirror got owned the attacker could upload a trojaned package along with a new hash. If pacman got the hash form a different server then it would also be providing security along with integrity checking.
I am also assuming that this would be an easy thing to make pacman do.
Last edited by hunterthomson (2011-10-18 11:30:09)karol wrote:
wonder wrote:signatures are available on public keyservers. pick a keyserver and add it to /etc/pacman.d/gnupg/gpg.conf
Is every package signed?
no
Do they work with pacman 3.5.4?
no. pacman 4.0 only
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