今天项目中遇到一个异常,异常代码如下:
写道
严重: Servlet.service() for servlet default threw exception
java.lang.IllegalArgumentException: Can't load standard profile: GRAY.pf
at java.awt.color.ICC_Profile$2.run(ICC_Profile.java:894)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.color.ICC_Profile.getStandardProfile(ICC_Profile.java:887)
at java.awt.color.ICC_Profile.getInstance(ICC_Profile.java:858)
at java.awt.color.ColorSpace.getInstance(ColorSpace.java:315)
at javax.imageio.ImageTypeSpecifier$Grayscale.<init>(ImageTypeSpecifier.java:587)
at javax.imageio.ImageTypeSpecifier.createGrayscale(ImageTypeSpecifier.java:668)
at javax.imageio.ImageTypeSpecifier.createSpecifier(ImageTypeSpecifier.java:1184)
at javax.imageio.ImageTypeSpecifier.getSpecifier(ImageTypeSpecifier.java:1101)
at javax.imageio.ImageTypeSpecifier.createFromBufferedImageType(ImageTypeSpecifier.java:884)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.<clinit>(JPEGImageReader.java:208)
at com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi.createReaderInstance(JPEGImageReaderSpi.java:67)
at javax.imageio.spi.ImageReaderSpi.createReaderInstance(ImageReaderSpi.java:296)
at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:503)
at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:487)
at javax.imageio.ImageIO.read(ImageIO.java:1417)
at javax.imageio.ImageIO.read(ImageIO.java:1282)
java.lang.IllegalArgumentException: Can't load standard profile: GRAY.pf
at java.awt.color.ICC_Profile$2.run(ICC_Profile.java:894)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.color.ICC_Profile.getStandardProfile(ICC_Profile.java:887)
at java.awt.color.ICC_Profile.getInstance(ICC_Profile.java:858)
at java.awt.color.ColorSpace.getInstance(ColorSpace.java:315)
at javax.imageio.ImageTypeSpecifier$Grayscale.<init>(ImageTypeSpecifier.java:587)
at javax.imageio.ImageTypeSpecifier.createGrayscale(ImageTypeSpecifier.java:668)
at javax.imageio.ImageTypeSpecifier.createSpecifier(ImageTypeSpecifier.java:1184)
at javax.imageio.ImageTypeSpecifier.getSpecifier(ImageTypeSpecifier.java:1101)
at javax.imageio.ImageTypeSpecifier.createFromBufferedImageType(ImageTypeSpecifier.java:884)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.<clinit>(JPEGImageReader.java:208)
at com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi.createReaderInstance(JPEGImageReaderSpi.java:67)
at javax.imageio.spi.ImageReaderSpi.createReaderInstance(ImageReaderSpi.java:296)
at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:503)
at javax.imageio.ImageIO$ImageReaderIterator.next(ImageIO.java:487)
at javax.imageio.ImageIO.read(ImageIO.java:1417)
at javax.imageio.ImageIO.read(ImageIO.java:1282)
这里省略更多异常代码。。。。。看了半天不知道什么问题,只知道自己代码用用了一个类功能是出来图片大小的,如果图片太大压缩到固定大写。
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
public class ImageCompress {
private File file = null; // 文件对象
private String inputDir; // 输入图路径
private String outputDir; // 输出图路径
private String inputFileName; // 输入图文件名
private String outputFileName; // 输出图文件名
private int outputWidth = 100; // 默认输出图片宽
private int outputHeight = 100; // 默认输出图片高
private boolean proportion = true; // 是否等比缩放标记(默认为等比缩放)
public ImageCompress() { // 初始化变量
inputDir = "";
outputDir = "";
inputFileName = "";
outputFileName = "";
outputWidth = 100;
outputHeight = 100;
}
/*
* 图片处理
*/
public String compress() {
try {
// 获得源文件
file = new File(inputDir + inputFileName);
if (!file.exists()) {
return "";
}
Image img = ImageIO.read(file);
// 判断图片格式是否正确
if (img.getWidth(null) == -1) {
return "no";
} else {
int newWidth;
int newHeight;
// 判断是否是等比缩放
if (this.proportion == true) {
// 为等比缩放计算输出的图片宽度及高度
double rate1 = ((double) img.getWidth(null))
/ (double) outputWidth + 0.1;
double rate2 = ((double) img.getHeight(null))
/ (double) outputHeight + 0.1;
// 根据缩放比率大的进行缩放控制
double rate = rate1 > rate2 ? rate1 : rate2;
newWidth = (int) (((double) img.getWidth(null)) / rate);
newHeight = (int) (((double) img.getHeight(null)) / rate);
} else {
newWidth = outputWidth; // 输出的图片宽度
newHeight = outputHeight; // 输出的图片高度
}
BufferedImage tag = new BufferedImage((int) newWidth,
(int) newHeight, BufferedImage.TYPE_INT_RGB);
/*
* Image.SCALE_SMOOTH 的缩略算法 生成缩略图片的平滑度的 优先级比速度高 生成的图片质量比较好 但速度慢
*/
tag.getGraphics().drawImage(
img.getScaledInstance(newWidth, newHeight,
Image.SCALE_SMOOTH), 0, 0, null);
FileOutputStream out = new FileOutputStream(outputDir
+ outputFileName);
// JPEGImageEncoder可适用于其他图片类型的转换
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(tag);
out.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
return "ok";
}
public String compress(String inputDir, String outputDir,
String inputFileName, String outputFileName) {
// 输入图路径
this.inputDir = inputDir;
// 输出图路径
this.outputDir = outputDir;
// 输入图文件名
this.inputFileName = inputFileName;
// 输出图文件名
this.outputFileName = outputFileName;
return compress();
}
public String compress(String inputDir, String outputDir,
String inputFileName, String outputFileName, int width, int height,
boolean gp) {
// 输入图路径
this.inputDir = inputDir;
// 输出图路径
this.outputDir = outputDir;
// 输入图文件名
this.inputFileName = inputFileName;
// 输出图文件名
this.outputFileName = outputFileName;
// 设置图片长宽
setWidthAndHeight(width, height);
// 是否是等比缩放 标记
this.proportion = gp;
return compress();
}
/*
* 获得图片大小 传入参数 String path :图片路径
*/
public long getImageSize(String path) {
file = new File(path);
return file.length();
}
public void setInputDir(String inputDir) {
this.inputDir = inputDir;
}
public void setOutputDir(String outputDir) {
this.outputDir = outputDir;
}
public void setInputFileName(String inputFileName) {
this.inputFileName = inputFileName;
}
public void setOutputFileName(String outputFileName) {
this.outputFileName = outputFileName;
}
public void setOutputWidth(int outputWidth) {
this.outputWidth = outputWidth;
}
public void setOutputHeight(int outputHeight) {
this.outputHeight = outputHeight;
}
public void setWidthAndHeight(int width, int height) {
this.outputWidth = width;
this.outputHeight = height;
}
在应用中用到如下语句就出错
ImageCompress ic = new ImageCompress();
ic.compress(uploadPath,reloadPath,500, 450, true);
后来网上找了下,说是jdk问题,具体原因不知,说是在jdk安装目录“C:\Program Files (x86)\Java\jdk1.6.0_10\jre\lib\cmm”下找不到GRAY.pf文件,查看路径确实没有该文件,重新安装jdk后,赶快跑到C:\Program Files (x86)\Java\jdk1.6.0_10\jre\lib\cmm下查看是否有GRAY.pf文件,确实重装jdk后有该文件。