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I am generating the SVG file and then use it in jasper report print. When I try to render the map with no sld everything works great, but when I use sld there is this error:

2017-11-30T13:28:36.634+0100  SEVERE  null
java.lang.NullPointerException
    at org.apache.batik.svggen.ImageHandlerBase64Encoder.encodeImage(Unknown Source)
    at org.apache.batik.svggen.ImageHandlerBase64Encoder.handleHREF(Unknown Source)
    at org.apache.batik.svggen.DefaultImageHandler.handleImage(Unknown Source)
    at org.apache.batik.svggen.SimpleImageHandler.handleImage(Unknown Source)
    at org.apache.batik.svggen.SVGGraphics2D.drawRenderedImage(Unknown Source)
    at org.geotools.renderer.lite.StyledShapePainter.renderImage(StyledShapePainter.java:664)
    at org.geotools.renderer.lite.StyledShapePainter.paint(StyledShapePainter.java:226)
    at org.geotools.renderer.lite.StreamingRenderer$PaintShapeRequest.execute(StreamingRenderer.java:3245)
    at org.geotools.renderer.lite.StreamingRenderer$PainterThread.run(StreamingRenderer.java:3572)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:748)

To generate an SVG I am using https://github.com/geotools/geotools/blob/master/docs/src/main/java/org/geotools/render/GenerateSVG.java (same as here) with added transformation for correct orientation of the image. I use an sld with wkt strings and SVG files. For embedding generated SVG to jasper reports, I had to change the version of batik to 1.8 and to update SVGGraphicFactory to use that version. The problem occurs when generating svg, so I can't convert it to png for printing.

Version of geotools 17.1

EDIT

sample data

https://www.sendspace.com/file/xku43p

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2
  • can you add some sample data and the SLD you are using
    – Ian Turton
    Commented Nov 30, 2017 at 13:13
  • added sample data
    – Zoran Kokeza
    Commented Nov 30, 2017 at 22:13

1 Answer 1

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1

This seems to be caused by a known bug in Batik (the SVG renderer that GeoTools uses). This seems to be a couple of years old and might be fixed in Batik 1.9.

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1
  • the problem persists with batik maven even on 1.9, but I downloaded jars and it works now. The only problem is that it draws my symbols much smaller than they are.
    – Zoran Kokeza
    Commented Dec 4, 2017 at 18:11

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