title: sun.awt.image.PNGImageDecoder$PNGException: crc corruption
body: <p>I'm working in a big java project, with about 400 classes. Suddenly I got this error</p>
  
  <pre><code>sun.awt.image.PNGImageDecoder$PNGException: crc corruption
      at sun.awt.image.PNGImageDecoder.getChunk(PNGImageDecoder.java:699)
      at sun.awt.image.PNGImageDecoder.getData(PNGImageDecoder.java:707)
      at sun.awt.image.PNGImageDecoder.produceImage(PNGImageDecoder.java:234)
      at sun.awt.image.InputStreamImageSource.doFetch(InputStreamImageSource.java:246)
      at sun.awt.image.ImageFetcher.fetchloop(ImageFetcher.java:172)
      at sun.awt.image.ImageFetcher.run(ImageFetcher.java:136)
  </code></pre>
  
  <p>There has been a long time that I don't deal with images in this project and I can't see where the error is being caused, as it's not shown in the exception message.</p>