07-16-2009
swing not getting initialized when the DISPLAY is not set
I have a batch programme which will load the Spreadsheet into database..
When the DISPLAY is set and X11 window server is running, there is no issue in reading the spreadsheet and loading into database without lauching UI.
But if the display is not set, then there is an issue... Any ideas over this ?? Why does a batch programme requires DISPLAY and X11 window server to be set when there is no need of UI to launch....
Code pasted below :
24 public class Spreadsheet extends com.f1j.swing.JBook
25 {
26 private int failedSheetNum = 0;
27
28 public Spreadsheet()
29 {
30 super();
31 setup();
32 }
Exception is thrown at line 30 :
Exception in thread "main" Logging starts at 15/7/2009 10:52:16
Loading the XML...
This might take a few seconds.Please wait...
Loading the Mapping template...
Loading the input data file...
This might take a few seconds.Please wait...
java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
at <Unloaded Method>
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName0(Compiled Code)
at java.lang.Class.forName(Compiled Code)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:56)
at <Unloaded Method>
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName0(Compiled Code)
at java.lang.Class.forName(Compiled Code)
at java.awt.Toolkit$2.run(Toolkit.java:492)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:485)
at java.awt.SystemColor.updateSystemColors(SystemColor.java:339)
at <Unloaded Method>
at java.awt.Insets.initIDs(Compiled Code)
at com.f1j.swing.JBook.<init>(DashoA8533)
at com.f1j.swing.JBook.<init>(DashoA8533)
at gdm.ssl.Spreadsheet.<init>(Spreadsheet.java:30)
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LEARN ABOUT DEBIAN
tk::tablematrix::spreadsheet
TableMatrix::Spreadsheet(3pm) perl/Tk Documentation TableMatrix::Spreadsheet(3pm)
NAME
Tk::TableMatrix::Spreadsheet - Table Display with Spreadsheet-like bindings.
SYNOPSIS
use Tk;
use Tk::TableMatrix::Spreadsheet;
my $t = $top->Scrolled('Spreadsheet', -rows => 21, -cols => 11,
-width => 6, -height => 6,
-titlerows => 1, -titlecols => 1,
-variable => $arrayVar,
-selectmode => 'extended',
-titlerows => 1,
-titlecols => 1,
-bg => 'white',
);
DESCRIPTION
Tk::TableMatrix::Spreadsheet is a Tk::TableMatrix-derived widget that implements some bindings so the resulting widget behaves more like a
spreadsheet.
Bindings Added:
o
Row/Col resize handles appear when the cursor is placed over a row/col border line in the rol/col title area.
Dragging these handles will resize the row or column. If multiple rows or columns are selected, then the new row/col size will apply to
all row/cols selected.
Note: With the base Tk::TableMatrix, it is possible to resize the row/cols by dragging on any cell border. To be more spreadsheet-like,
Tk::TableMatrix::Spreadsheet defaults to enable row/col resizing only thru the title row/col dragging. To override this default behavoir,
set the -resizeborder option to 'both' at startup.
o
A popup menu for row/col insert/delete appears when the mouse is right-clicked in the row/col title areas.
o
Cells activate (i.e. the contents become edit-able) only when the cell is double-clicked or the F2 button is pressed. The default
Tk::TableMatrix behavior is for the cell to be activated when the cell is single-clicked.
o
The Escape key causes any changes made to a cell to be canceled and the current selection cleared.
o
The return key causes the the current cell to move down.
o
The tab (or shift tab) key causes the current cell to be moved to the right (left).
o
The delete key will delete the current selection, if no cell is currently active.
o
The Mouse button 2 (middle button) paste from the PRIMARY. (Control-v pastes from the clipboard).
Additional Information
Widget methods, options, etc, are inherited from the Tk::TableMatrix widget. See its docs for additional information.
Tk1.23 2007-01-09 TableMatrix::Spreadsheet(3pm)