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  1. JDK
  2. JDK-6966105

PathDasher.appendCubic crash

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: P3 P3
    • None
    • 6u10, 7u80
    • client-libs
    • 2d
    • x86
    • linux

      FULL PRODUCT VERSION :
      java version "1.6.0_20"
      Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
      Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)


      ADDITIONAL OS VERSION INFORMATION :
      Linux appserver05 2.6.24-24-generic #1 SMP Fri Sep 18 16:16:18 UTC 2009 x86_64 GNU/Linux

      A DESCRIPTION OF THE PROBLEM :
      This is a server application using Java2D to render map images in a headless environment. Multiple map images may be requested in parallel.

      Roughly once a day, the java process segfaults. After each crash, we use visualvm on the core dump. The problematic stacktrace is shown below.

      Thread 18032 "TP-Processor15": (state = IN_NATIVE)
        at sun.dc.pr.PathDasher.appendCubic(Native Method)
        at sun.dc.pr.Rasterizer.appendCubic(Rasterizer.java:520)
        at sun.java2d.pipe.DuctusRenderer.createShapeRasterizer(DuctusRenderer.java:553)
        at sun.java2d.pipe.DuctusShapeRenderer.renderPath(DuctusShapeRenderer.java:97)
        at sun.java2d.pipe.DuctusShapeRenderer.draw(DuctusShapeRenderer.java:46)
        at sun.java2d.pipe.PixelToParallelogramConverter.draw(PixelToParallelogramConverter.java:130)
        at sun.java2d.SunGraphics2D.draw(SunGraphics2D.java:2336)


      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Have not been able to create a reproducible case.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      No crash
      ACTUAL -
      Crash. Core dumped.

      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      The java process does not write a hs_err_pid file.

      REPRODUCIBILITY :
      This bug can be reproduced occasionally.

      ---------- BEGIN SOURCE ----------
      Have not been able to create a reproducible case.
      ---------- END SOURCE ----------
      Additional input from submitter:

      % javac PathDasherSegfault.java
      % java PathDasherSegfault
      about to draw
      Segmentation fault (core dumped)


      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      about to draw
      OK
      ACTUAL -
      about to draw
      Segmentation fault (core dumped)

      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      java does not create any hs_err_pid file in this case

      The stack-trace from the core-file:
      Thread 18032 "TP-Processor15": (state = IN_NATIVE)
          at sun.dc.pr.PathDasher.appendCubic(Native Method)
          at sun.dc.pr.Rasterizer.appendCubic(Rasterizer.java:520)
          at sun.java2d.pipe.DuctusRenderer.createShapeRasterizer(DuctusRenderer.java:553)
          at sun.java2d.pipe.DuctusShapeRenderer.renderPath(DuctusShapeRenderer.java:97)
          at sun.java2d.pipe.DuctusShapeRenderer.draw(DuctusShapeRenderer.java:46)
          at sun.java2d.pipe.PixelToParallelogramConverter.draw(PixelToParallelogramConverter.java:130)
          at sun.java2d.SunGraphics2D.draw(SunGraphics2D.java:2336)

      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      import java.awt.BasicStroke;
      import java.awt.Graphics2D;
      import java.awt.Stroke;
      import java.awt.geom.GeneralPath;
      import java.awt.image.BufferedImage;

      public class PathDasherSegfault {

      public static void main(String[] args) {

      GeneralPath path = new GeneralPath(GeneralPath.WIND_NON_ZERO);
      path.moveTo(8408685.0, -1124643.0);
      path.curveTo(8408693.0, -1124638.8, 8408703.0, -1124636.8, 8408712.0, -1124637.0);

      BufferedImage image = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
      Graphics2D g2 = image.createGraphics();

      Stroke stroke = new BasicStroke(0.8503937f, BasicStroke.CAP_BUTT,
      BasicStroke.JOIN_MITER, 10f, new float[] { 10.204724f,
      5.102362f }, 0f);
      g2.setStroke(stroke);

      System.out.println("about to draw");
      g2.draw(path);
      System.out.println("OK");

      }

      }

            prr Philip Race
            webbuggrp Webbug Group
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              Created:
              Updated:
              Resolved:
              Imported:
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