使用蜡染将 svg 转换为图像时出现 TranscoderException
[英]TranscoderException when converting svg to image using Batik
问题描述
I am trying to convert svg content into a pdf or png file.
我正在尝试将svg内容转换为pdf或png文件。 I am using Batik to do this.我正在使用蜡染来做到这一点。 My code is as follows:我的代码如下：
Transcoder transcoder = new PDFTranscoder();
TranscoderOutput transcoderOutput = new TranscoderOutput(new FileOutputStream(new File(outputFilePath + "\\" + outputFileName + ".pdf")));
transcoder.transcode(transcoderInput, transcoderOutput);
However, I get the below exception:但是，我收到以下异常：
Exception in thread "main" org.apache.batik.transcoder.TranscoderException: null
Enclosed Exception:
Content is not allowed in prolog.
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:226)
at org.apache.batik.transcoder.image.ImageTranscoder.transcode(ImageTranscoder.java:92)
at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142)
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:156)
at com.we.poc.svgConverterdemo.conv.POC.main(POC.java:35)
Caused by: org.apache.batik.bridge.BridgeException: Content is not allowed in prolog.
at org.apache.batik.bridge.BridgeContext.getReferencedNode(BridgeContext.java:788)
at org.apache.batik.bridge.BridgeContext.getReferencedElement(BridgeContext.java:804)
at org.apache.batik.bridge.PaintServer.convertURIPaint(PaintServer.java:365)
at org.apache.batik.bridge.PaintServer.convertPaint(PaintServer.java:273)
at org.apache.batik.bridge.PaintServer.convertFillPaint(PaintServer.java:242)
at org.apache.batik.bridge.PaintServer.convertFillAndStroke(PaintServer.java:160)
at org.apache.batik.bridge.SVGShapeElementBridge.createShapePainter(SVGShapeElementBridge.java:117)
at org.apache.batik.bridge.SVGDecoratedShapeElementBridge.createFillStrokePainter(SVGDecoratedShapeElementBridge.java:58)
at org.apache.batik.bridge.SVGDecoratedShapeElementBridge.createShapePainter(SVGDecoratedShapeElementBridge.java:84)
at org.apache.batik.bridge.SVGShapeElementBridge.buildGraphicsNode(SVGShapeElementBridge.java:91)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:224)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:141)
at org.apache.batik.bridge.SVGImageElementBridge.createSVGImageNode(SVGImageElementBridge.java:697)
at org.apache.batik.bridge.SVGImageElementBridge.createImageGraphicsNode(SVGImageElementBridge.java:296)
at org.apache.batik.bridge.SVGImageElementBridge.buildImageGraphicsNode(SVGImageElementBridge.java:179)
at org.apache.batik.bridge.SVGImageElementBridge.createGraphicsNode(SVGImageElementBridge.java:121)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:213)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(GVTBuilder.java:219)
at org.apache.batik.bridge.GVTBuilder.buildComposite(GVTBuilder.java:171)
at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:82)
at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:208)
... 4 more
1 个解决方案
解决方案1
0 2020-11-01 14:29:15
From your stack trace, it looks like some fill definition references an external file.从您的堆栈跟踪来看，某些填充定义似乎引用了外部文件。 Look at that file closely and make sure it is valid XML :仔细查看该文件并确保它是有效的 XML ：
at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142)
... Caused by:
org.apache.batik.bridge.BridgeException: Content is not allowed in prolog.
at org.apache.batik.bridge.BridgeContext.getReferencedNode(BridgeContext.java:788)
at org.apache.batik.bridge.BridgeContext.getReferencedElement(BridgeContext.java:804)
at org.apache.batik.bridge.PaintServer.convertURIPaint(PaintServer.java:365)
at org.apache.batik.bridge.PaintServer.convertPaint(PaintServer.java:273)
at org.apache.batik.bridge.PaintServer.convertFillPaint(PaintServer.java:242)
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