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javajavax.imageiojai

java.util.ServiceConfigurationError: Provider could not be instantiated

I have a .jp2 image file that I want to convert to .jpg.

    BufferedImage background = ImageIO.read(new File("images\\"
    + randNum + ".jp2"));
    ImageIO.write(background, "jpg", new File("images\\" + randNum
                + ".jpg"));

I have got this exception :

java.util.ServiceConfigurationError: javax.imageio.spi.ImageWriterSpi:  Provider com.github.jaiimageio.jpeg2000.impl.J2KImageWriterSpi could not be instantiated
 ...
Caused by: java.lang.NoClassDefFoundError: com/github/jaiimageio/impl/common/PackageUtil
 ...
Caused by: java.lang.ClassNotFoundException: com.github.jaiimageio.impl.common.PackageUtil
Solution

  • Apparently, a conflict occured, I was using classes from different libraries, here I had both jai_imageio and jai-imageio-jpeg2000, I solved this problem by simply removing one of them.