我收到InputStream输入，我想阅读此InputStream。
我创建了一个
BufferedImage image = null;
我看了ImageIO：
read image = ImageIO.read(input);
此代码适用于JPEG和JPG文件，但是，对于PNG文件，我有这样的错误：
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
org.projectsforge.swap.proxy.simulation.DichromacyImageSimulation.handle(DichromacyImageSimulation.java:64)
at org.projectsforge.swap.proxy.proxy.ProxyServlet$1.execute(ProxyServlet.java:150)
at org.projectsforge.swap.proxy.proxy.ProxyServlet$1.execute(ProxyServlet.java:1)
at org.projectsforge.swap.core.handlers.HandlerExecutorManager.execute(HandlerExecutorManager.java:72)
at org.projectsforge.swap.core.handlers.HandlerContext$1.run(HandlerContext.java:175)
Caused by: java.util.zip.ZipException: invalid distance too far back
at
java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164)
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:1207)
at com.sun.imageio.plugins.png.PNGImageReader.readImage(PNGImageReader.java:1301)
... 8 more
我不明白这个错误，特别是因为每次都不会发生这个错误......