Java读取图片长宽出现问题javax.imageio.IIOException: Error reading PNG image data

2020-03-17 05:14:55 2.6k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Bug之javax.imageio.IIOException: Error reading PNG metadata 问题描述在用thumbnailator包的时候遇到一个问题：就是png文件元数据有损坏，但是在电脑上该png文件是可以显示的。问题代码如下： File file = new File("D:\\data\\1.png"); try { Thumbnails.of(file).height(300).asBufferedImage(); ... 阅读详情







		URL url =new URL("http://image.luzhua.com/image/ooYBAFqf9mKAAOD-AANzINToj5k774.PNG");

		

		trustAllHosts();

		

		URLConnection  dConn = url.openConnection();   

	    dConn.setRequestProperty("accept", "*/*");

	    dConn.setRequestProperty("connection", "Keep-Alive");

	    dConn.setRequestProperty("user-agent",

				"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");

	    dConn.setRequestProperty("Accept-Charset", "UTF-8");

	    dConn.setRequestProperty("contentType", "UTF-8");

	    dConn.setConnectTimeout(5000);  

	    dConn.setReadTimeout(5000); 

	    dConn.setUseCaches(false);  

	    dConn.setDefaultUseCaches(false);

	    dConn.connect();



                         ByteArrayOutputStream baos = new ByteArrayOutputStream();  

			byte[] buffer = new byte[1024];  

			int len;  

			while ((len = input.read(buffer)) > -1 ) {  

			    baos.write(buffer, 0, len);  

			}  

			baos.flush();

			



               String suffix=ImageType.imageType(new ByteArrayInputStream(baos.toByteArray()));

			

			BufferedImage image = ImageIO.read(new ByteArrayInputStream(baos.toByteArray()));

	        this.height=image.getHeight();

	        this.width=image.getWidth();

有些图片会出现这种问题

javax.imageio.IIOException: Error reading PNG image data
at com.sun.imageio.plugins.png.PNGImageReader.readImage(PNGImageReader.java:1308)
at com.sun.imageio.plugins.png.PNGImageReader.read(PNGImageReader.java:1577)
at javax.imageio.ImageIO.read(ImageIO.java:1448)
at javax.imageio.ImageIO.read(ImageIO.java:1352)
at com.onion.health.system.tools.image.ImageInfo.<init>(ImageInfo.java:73)
at com.onion.health.system.tools.image.CrawlDownImage.imageInfo(CrawlDownImage.java:150)
at com.onion.health.system.article.service.impl.ArticleFileServiceImpl.main(ArticleFileServiceImpl.java:271)
Caused by: java.io.EOFException: Unexpected end of ZLIB input stream
at java.util.zip.InflaterInputStream.fill(InflaterInputStream.java:240)
at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.io.DataInputStream.readFully(DataInputStream.java:195)
at com.sun.imageio.plugins.png.PNGImageReader.decodePass(PNGImageReader.java:1092)
at com.sun.imageio.plugins.png.PNGImageReader.decodeImage(PNGImageReader.java:1196)
at com.sun.imageio.plugins.png.PNGImageReader.readImage(PNGImageReader.java:1301)
... 6 more
java.lang.IllegalArgumentException: Destination image width must not be less than or equal to 0 pixels.
at net.coobird.thumbnailator.Thumbnails.validateDimensions(Thumbnails.java:147)
at net.coobird.thumbnailator.Thumbnails.access$0(Thumbnails.java:134)
at net.coobird.thumbnailator.Thumbnails$Builder.size(Thumbnails.java:885)
at com.onion.health.system.article.service.impl.ArticleFileServiceImpl.main(ArticleFileServiceImpl.java:292)

...全文