src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java

*** 1084,1097 ****
          byte[] byteData = null;
          short[] shortData = null;
          byte[] curr = new byte[bytesPerRow];
          byte[] prior = new byte[bytesPerRow];
  
          // Create a 1-row tall Raster to hold the data
!         WritableRaster passRow = createRaster(passWidth, 1, inputBands,
!                                               eltsPerRow,
                                                bitDepth);
  
          // Create an array suitable for holding one pixel
          int[] ps = passRow.getPixel(0, 0, (int[])null);
  
          DataBuffer dataBuffer = passRow.getDataBuffer();
--- 1084,1107 ----
          byte[] byteData = null;
          short[] shortData = null;
          byte[] curr = new byte[bytesPerRow];
          byte[] prior = new byte[bytesPerRow];
  
+         WritableRaster passRow = null;
+         try {
              // Create a 1-row tall Raster to hold the data
!             passRow = createRaster(passWidth, 1, inputBands, eltsPerRow,
                                     bitDepth);
+         } catch (Exception e) {
+             /*
+              * createRaster() can throw many types of Exception but according
+              * to specification we must throw only IIOException if we face any
+              * issue while reading an image. So at this high level we catch
+              * the exception and wrap it around IIOException.
+              */
+             throw new IIOException("Caught exception during read: ", e);
+         }
  
          // Create an array suitable for holding one pixel
          int[] ps = passRow.getPixel(0, 0, (int[])null);
  
          DataBuffer dataBuffer = passRow.getDataBuffer();