启动我的Java应用程序时,尝试保存图像时出现异常。然而,在Eclipse中,一切正常。该应用程序使用fatjar构建,并且已经选择了用于导出的必要库(jar_imageio.jar和ij.jar)。尝试保存图像时出现异常
我尝试使用的ImageIO和ImageJ的:
一)的ImageIO:
ImageIO.write(image, "jpg", new File(f));
Exception in thread "main" sun.misc.ServiceConfigurationError:
javax.imageio.spi.ImageWriterSpi:
Provider com.sun.media.imageioimpl.plugins.jpeg.CLibJPEGImageWriterSpi
could not be instantiated: java.lang.IllegalArgumentException: vendorName == null!
at sun.misc.Service.fail(Unknown Source)
at sun.misc.Service.access$200(Unknown Source)
at sun.misc.Service$LazyIterator.next(Unknown Source)
at javax.imageio.spi.IIORegistry.registerApplicationClasspathSpis(Unknown Source)
at javax.imageio.spi.IIORegistry.<init>(Unknown Source)
at javax.imageio.spi.IIORegistry.getDefaultInstance(Unknown Source)
at javax.imageio.ImageIO.<clinit>(Unknown Source)
B)的ImageJ:
IJ.saveAs(image, "jpg", f);
java.lang.NoClassDefFoundError: Could not initialize class javax.imageio.ImageIO
at ij.plugin.JpegWriter.saveAsJpeg(JpegWriter.java:49)
at ij.plugin.JpegWriter.save(JpegWriter.java:28)
at ij.io.FileSaver.saveAsJpeg(FileSaver.java:340)
at ij.io.FileSaver.saveAsJpeg(FileSaver.java:332)
at ij.plugin.filter.Writer.run(Writer.java:24)
at ij.plugin.filter.PlugInFilterRunner.processOneImage(PlugInFilterRunner.java:256)
at ij.plugin.filter.PlugInFilterRunner.<init>(PlugInFilterRunner.java:105)
at ij.IJ.runPlugIn(IJ.java:158)
at ij.Executer.runCommand(Executer.java:127)
at ij.Executer.run(Executer.java:64)
at ij.IJ.run(IJ.java:249)
at ij.IJ.run(IJ.java:296)
at ij.IJ.saveAs(IJ.java:1579)
请问,如果你使用的类路径上的JAR分开,而不是一个JAR与fatjar结合工作?如果是这样,请将可执行JAR的清单与ImageIO JAR的清单进行比较。 Fat-Jar Eclipse插件文档声称“Manifest-files被合并”,但是这种做法(或不做)可能是造成问题的原因。 – ctrueden 2013-03-12 14:14:05