Menu
▾
▴
Re: [jCharts-users] X11/UNIX problem again
|
From: Nathaniel G. A. <nat...@ya...> - 2004-01-03 14:03:29
|
what jdk are you using?
--- Ashley Towers <at...@uk...> wrote:
> Im having problems with this X11 (Unix based problem). Basically i got the code working on
> windows but not solaris, i've tried the
>
> try{ System.setProperty("java.awt.headless","true");}catch( Throwable throwable ){}
>
> fix but it doesn't seem to be working, im not sure if i've got it in the wrong place or if i've
> done it wrong or what? Its a servlet running on Sun One WebServer so i can't run it from the
> command line and thus add the -D<thingy>
>
> any one any ideas???
>
>
> i've got the code:
>
> import org.jCharts.chartData.ChartDataException;
> import org.jCharts.chartData.PieChartDataSet;
> import org.jCharts.encoders.ServletEncoderHelper;
> import org.jCharts.nonAxisChart.PieChart2D;
> import org.jCharts.properties.*;
>
> import javax.servlet.ServletException;
> import javax.servlet.http.*;
> import java.awt.*;
> import java.io.IOException;
>
>
> public class PieChart2DServlet extends HttpServlet
> {
> //---all of my pie charts serviced by this Servlet will have the same properties.
> private PieChart2DProperties properties;
> private LegendProperties legendProperties;
> private ChartProperties chartProperties;
>
> private int width = 550;
> private int height = 350;
>
>
> /**********************************************************************************************
> *
>
> **********************************************************************************************/
> public void init()
> {
> // Solaris code to prevent X11 Server errors
> try{ System.setProperty("java.awt.headless","true");}catch( Throwable throwable
> ){}
>
> //---all charts of this type of pie chart are going to share the same
> properties.
> this.properties = new PieChart2DProperties();
>
> this.legendProperties = new LegendProperties();
> this.legendProperties.setNumColumns( 2 );
> this.legendProperties.setPlacement( LegendProperties.RIGHT );
>
> this.chartProperties = new ChartProperties();
> }
>
>
> /**********************************************************************************************
> *
>
> **********************************************************************************************/
> public void service( HttpServletRequest req, HttpServletResponse response ) throws
> ServletException, IOException
> {
>
>
>
>
> try
> {
> PieChart2D pieChart2D = new PieChart2D( this.getData(req), this.legendProperties,
> this.chartProperties, this.width, this.height );
> ServletEncoderHelper.encodeJPEG13( pieChart2D, 1.0f, response );
> }
> catch( Throwable throwable )
> {
> //HACK do your error handling here...
> throwable.printStackTrace();
> }
> }
>
>
> /******************************************************************************************
> * Returns a Tests a 'real' data set and usage.
> *
> * @throws ChartDataException
> ******************************************************************************************/
> private PieChartDataSet getData(HttpServletRequest req) throws ChartDataException
> {
>
> String []y = req.getParameterValues("y");
> // Defines the data
> double[] data = new double[y.length];
>
> for (int i =0; i < y.length; i++){
> Double d = (Double) Double.valueOf(y[i]);
> data[i] = (double) d.doubleValue();
> }
>
> // Defines the paints
> Paint[] paints = new Paint[data.length];
> for (int i = 0; i < paints.length; i++){
> paints[i] = possible_paints[i];
> }
>
> // Defines labels for each value
> String[] labels = req.getParameterValues("x");
>
> // Defines the title
> String title = "";
> title = req.getParameter("title");
>
> return new PieChartDataSet(title, data, labels, paints, this.properties );
> }
>
> // Defines the possible_paints MAX 9
> private Paint[] possible_paints = new Paint[]{Color.blue,
> Color.red,
> Color.green,
> Color.yellow,
> Color.white,
> Color.gray,
> Color.orange,
> Color.pink,
> Color.blue,
> Color.red,
> Color.green,
> Color.yellow,
> Color.white,
> Color.gray,
> Color.orange,
> Color.pink,
> Color.blue};
> }
>
>
>
>
>
> im getting the errors:
>
> [19/Dec/2003:08:12:18] failure (13591): Internal error: Unexpected error condition thrown
> (unknown exception,no description), stack: 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 sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:125)
>
> at java.lang.Class.forName0(Native Method)
>
> at java.lang.Class.forName(Class.java:140)
>
> at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:62)
>
> at java.awt.Font.initializeFont(Font.java:303)
>
> at java.awt.Font.<init>(Font.java:339)
>
> at org.jCharts.properties.util.ChartFont.<clinit>(Unknown Source)
>
> at org.jCharts.properties.PieChart2DProperties.<init>(Unknown Source)
>
> at PieChart2DServlet.init(PieChart2DServlet.java:30)
>
> at javax.servlet.GenericServlet.init(GenericServlet.java:258)
>
> at com.iplanet.server.http.servlet.NSServletEntity.load(NSServletEntity.java:405)
>
> at com.iplanet.server.http.servlet.NSServletEntity.update(NSServletEntity.java:173)
>
> at com.iplanet.server.http.servlet.NSServletRunner.Service(NSServletRunner.java:416)
>
>
> [02/Jan/2004:10:31:45] failure (23997): Internal error: Unexpected error condition thrown
> (unknown exception,no description), stack: java.lang.NoClassDefFoundError:
> sun/io/ByteToCharEUC_KR
>
> at sun.awt.font.NativeFontWrapper.registerFonts(Native Method)
>
> at sun.java2d.SunGraphicsEnvironment.addPathFonts(SunGraphicsEnvironment.java:736)
>
> at sun.java2d.SunGraphicsEnvironment.registerFonts(SunGraphicsEnvironment.java:587)
>
> at sun.java2d.SunGraphicsEnvironment.access$100(SunGraphicsEnvironment.java:49)
>
> at sun.java2d.SunGraphicsEnvironment$2.run(SunGraphicsEnvironment.java:209)
>
> at java.security.AccessController.doPrivileged(Native Method)
>
> at sun.java2d.SunGraphicsEnvironment.loadFonts(SunGraphicsEnvironment.java:203)
>
> at sun.java2d.SunGraphicsEnvironment.initTerminalNames(SunGraphicsEnvironment.java:1029)
>
> at sun.java2d.SunGraphicsEnvironment.initCompositeFonts(SunGraphicsEnvironment.java:795)
>
> at sun.java2d.SunGraphicsEnvironment.access$200(SunGraphicsEnvironment.java:49)
>
> at sun.java2d.SunGraphicsEnvironment$1.run(SunGraphicsEnvironment.java:160)
>
> at java.security.AccessController.doPrivileged(Native Method)
>
> at sun.java2d.SunGraphicsEnvironment.<init>(SunGraphicsEnvironment.java:78)
>
> at sun.awt.X11GraphicsEnvironment.<init>(X11GraphicsEnvironment.java:150)
>
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>
> at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>
>
> at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>
> at java.lang.Class.newInstance0(Class.java:306)
>
> at java.lang.Class.newInstance(Class.java:259)
>
> at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:62)
>
> at java.awt.Font.initializeFont(Font.java:303)
>
> at java.awt.Font.<init>(Font.java:339)
>
> at org.jCharts.properties.util.ChartFont.<clinit>(Unknown Source)
>
> at org.jCharts.properties.PieChart2DProperties.<init>(Unknown Source)
>
> at PieChart2DServlet.init(PieChart2DServlet.java:30)
>
> at javax.servlet.GenericServlet.init(GenericServlet.java:258)
>
> at com.iplanet.server.http.servlet.NSServletEntity.load(NSServletEntity.java:405)
>
> at com.iplanet.server.http.servlet.NSServletEntity.update(NSServletEntity.java:173)
>
> at com.iplanet.server.http.servlet.NSServletRunner.Service(NSServletRunner.java:416)
__________________________________
Do you Yahoo!?
Find out what made the Top Yahoo! Searches of 2003
http://search.yahoo.com/top2003
|
