java.lang.ClassNotFoundException: com.sun.image.codec.jpeg.JPEGCodec


今天遷移老項目到linux服務器,jdk8 ,tomcat8.5遇到這個問題。

java.lang.ClassNotFoundException: com.sun.image.codec.jpeg.JPEGCodec

查詢資料得知,原來openjdk從jdk7開始去掉了這個類。

ICEpdfPDF-332
JPEGCodec has been removed from JDK 1.7

引用:http://jira.icesoft.org/browse/PDF-332

處理:

更換為oracle jdk8,解決問題。

 

這兩天都快被這個錯誤整瘋了!!!
最近在寫java項目的時候需要用到

[java]  view plain  copy
 
  1. import com.sun.image.codec.jpeg.JPEGCodec;  
  2. import com.sun.image.codec.jpeg.JPEGImageEncoder;  

這兩個類來把圖片寫入磁盤。注意:這兩個類可是處在系統自帶的jre里的rt.jar包里

 

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  1. FileOutputStream out = new FileOutputStream(targetFile);  
  2. JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);  
  3. encoder.encode(mBufferedImage);  

 

本來在本地Eclipse測試的好好的,但是部署到Linux服務器的時候就出錯了

 

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  1. java.lang.ClassNotFoundException: com.sun.image.codec.jpeg.JPEGCodec  
  2.         at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)  
  3.         at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)  
  4.         at com.vxpai.wechat.util.ImgUtil.imageScale(ImgUtil.java:72)  
  5.         at com.vxpai.wechat.webcontroller.UploadController.ss(UploadController.java:68)  
  6.         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
  7.         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)  
  8.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
  9.         at java.lang.reflect.Method.invoke(Method.java:606)  
  10.         at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175)  
  11.         at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)  
  12.         at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)  
  13.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)  
  14.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)  
  15.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)  
  16.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)  
  17.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)  
  18.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)  
  19.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)  
  20.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)  
  21.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)  
  22.         at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)  
  23.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)  
  24.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)  
  25.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)  
  26.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)  
  27.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)  
  28.         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)  
  29.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)  
  30.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)  
  31.         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:931)  
  32.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)  
  33.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)  
  34.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)  
  35.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)  
  36.         at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)  
  37.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)  
  38.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)  
  39.         at java.lang.Thread.run(Thread.java:745)  

剛開始的時候以為是沒有引入rt.jar,將其用maven(我的項目是基於maven建立的)引入,部署上去之后居然還是報錯:

 

 

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  1. java.lang.UnsatisfiedLinkError: no jpeg in java.library.path  
  2.         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1886)  
  3.         at java.lang.Runtime.loadLibrary0(Runtime.java:849)  
  4.         at java.lang.System.loadLibrary(System.java:1088)  
  5.         at sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:67)  
  6.         at sun.security.action.LoadLibraryAction.run(LoadLibraryAction.java:47)  
  7.         at java.security.AccessController.doPrivileged(Native Method)  
  8.         at sun.awt.image.codec.JPEGImageEncoderImpl.<clinit>(JPEGImageEncoderImpl.java:73)  
  9.         at com.sun.image.codec.jpeg.JPEGCodec.createJPEGEncoder(JPEGCodec.java:68)  
  10.         at com.vxpai.wechat.util.ImgUtil.imageScale(ImgUtil.java:72)  
  11.         at com.vxpai.wechat.webcontroller.UploadController.ss(UploadController.java:68)  
  12.         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
  13.         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)  
  14.         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
  15.         at java.lang.reflect.Method.invoke(Method.java:606)  
  16.         at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:175)  
  17.         at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:446)  
  18.         at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)  
  19.         at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)  
  20.         at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)  
  21.         at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)  
  22.         at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)  
  23.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)  
  24.         at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)  
  25.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)  
  26.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)  
  27.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)  
  28.         at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)  
  29.         at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)  
  30.         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)  
  31.         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)  
  32.         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)  
  33.         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)  
  34.         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)  
  35.         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)  
  36.         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)  
  37.         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:931)  
  38.         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)  
  39.         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)  
  40.         at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)  
  41.         at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)  
  42.         at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)  
  43.         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)  
  44.         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)  

最后,果斷棄百度google了一下,終於找到了產生java.lang.ClassNotFoundException的原因:The basic explanation is that com.sun.image.codec.jpeg.JPEGCodec and related libraries have long been marked as depreciated, and you should use the ImageIO library instead.  參考地址:http://www.derrickwilliams.com/

 

原來,在jdk最新的版本中,這jpeg包下的類已經不推薦,所以,果斷用ImageIO替換這兩個類

 

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  1. FileOutputStream out = new FileOutputStream(targetFile);  
  2. ImageIO.write(mBufferedImage, type, out);  

修改完成,部署,終於OK啦!


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