在运行时不能找到合适的类异常：java.lang.NoClassDefFoundError: com/twelvemonkeys/imageio/color/ColorProfiles

本文链接：https://blog.youkuaiyun.com/chenglaugh1989/article/details/124995299

本文解决了一个在图片上传和压缩过程中遇到的运行时找不到合适类的问题。通过在项目的pom.xml文件中添加特定依赖，成功解决了java.lang.NoClassDefFoundError异常。

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在进行图片上传/压缩时，报在运行时不能找到合适的类异常

java.lang.NoClassDefFoundError: com/twelvemonkeys/imageio/color/ColorProfiles
at com.twelvemonkeys.imageio.plugins.jpeg.JPEGImageReader.readICCProfileSafe(JPEGImageReader.java:1013)
at com.twelvemonkeys.imageio.plugins.jpeg.JPEGImageReader.getEmbeddedICCProfile(JPEGImageReader.java:955)
at com.twelvemonkeys.imageio.plugins.jpeg.JPEGImageReader.read(JPEGImageReader.java:296)
at java.desktop/javax.imageio.ImageIO.read(ImageIO.java:1468)
at java.desktop/javax.imageio.ImageIO.read(ImageIO.java:1363)
at FolderTest.uploadHeadPic(FolderTest.java:94)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)

Caused by: java.lang.ClassNotFoundException: com.twelvemonkeys.imageio.color.ColorProfiles
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:602)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
... 28 more

解决方法为，在pom.xml文件中，加入以下依赖

<!--防止读取图片时发生报错-->
<!-- javax.imageio.IIOException: Unsupported Image Type 异常解决-->
<!-- java.lang.NoClassDefFoundError: com/twelvemonkeys/imageio/color/ColorProfiles 在运行时不能找到合适的类异常解决-->
<dependency>
       <groupId>com.twelvemonkeys.imageio</groupId>
        <artifactId>imageio-core</artifactId>
        <version>3.8.2</version>
</dependency>