在哪里生成的缩略图

来源:3-7 [实现Java图片等比例缩略图] 3-7 控制器开发(二)& 展示页面编写

苏莫离

2016-06-06 11:50

只看到将大图报错的代码,没有看到生成缩略图的代码。现在文件只能生成大图,却没有生成缩略图,请问是哪里的问题呢

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2回答

  • 皇马啸西风
    2016-06-07 21:40:15
    已采纳

    在控制器里面有变量设置,指定缩略图生成保存文件夹。

    需要在web目录中创建对应的目录。

  • 七21
    2017-03-30 11:51:25

    2017-3-30 11:47:28 org.apache.catalina.core.AprLifecycleListener init

    信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Users\Administrator\AppData\Local\Genuitec\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\bin;C:\Program Files\Java\apache-tomcat-6.0.33\bin

    2017-3-30 11:47:29 org.apache.coyote.http11.Http11Protocol init

    信息: Initializing Coyote HTTP/1.1 on http-8080

    2017-3-30 11:47:29 org.apache.catalina.startup.Catalina load

    信息: Initialization processed in 442 ms

    2017-3-30 11:47:29 org.apache.catalina.core.StandardService start

    信息: Starting service Catalina

    2017-3-30 11:47:29 org.apache.catalina.core.StandardEngine start

    信息: Starting Servlet Engine: Apache Tomcat/6.0.33

    2017-3-30 11:47:29 org.apache.catalina.startup.HostConfig deployDescriptor

    信息: Deploying configuration descriptor host-manager.xml

    2017-3-30 11:47:29 org.apache.catalina.startup.HostConfig deployDescriptor

    信息: Deploying configuration descriptor manager.xml

    2017-3-30 11:47:29 org.apache.catalina.startup.HostConfig deployDirectory

    信息: Deploying web application directory 03-waike

    2017-3-30 11:47:29 org.apache.catalina.startup.HostConfig deployDirectory

    信息: Deploying web application directory docs

    2017-3-30 11:47:29 org.apache.catalina.startup.HostConfig deployDirectory

    信息: Deploying web application directory examples

    2017-3-30 11:47:30 org.apache.catalina.startup.HostConfig deployDirectory

    信息: Deploying web application directory ROOT

    2017-3-30 11:47:30 org.apache.catalina.startup.HostConfig deployDirectory

    信息: Deploying web application directory thumbnail

    2017-3-30 11:47:30 org.apache.catalina.startup.HostConfig deployDirectory

    信息: Deploying web application directory thumbnail.myeclipse.bak

    2017-3-30 11:47:31 org.apache.coyote.http11.Http11Protocol start

    信息: Starting Coyote HTTP/1.1 on http-8080

    2017-3-30 11:47:31 org.apache.jk.common.ChannelSocket init

    信息: JK: ajp13 listening on /0.0.0.0:8009

    2017-3-30 11:47:31 org.apache.jk.server.JkMain start

    信息: Jk running ID=0 time=0/25  config=null

    2017-3-30 11:47:31 org.apache.catalina.startup.Catalina start

    信息: Server startup in 2847 ms

    2017-3-30 11:47:51 org.apache.catalina.core.StandardWrapperValve invoke

    严重: Servlet.service() for servlet jsp threw exception

    org.apache.jasper.JasperException: /index.jsp(1,2) Page directive has invalid attribute: contextType

    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)

    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)

    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:198)

    at org.apache.jasper.compiler.JspUtil.checkAttributes(JspUtil.java:311)

    at org.apache.jasper.compiler.Validator$DirectiveVisitor.visit(Validator.java:105)

    at org.apache.jasper.compiler.Node$PageDirective.accept(Node.java:608)

    at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)

    at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411)

    at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417)

    at org.apache.jasper.compiler.Node$Root.accept(Node.java:495)

    at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)

    at org.apache.jasper.compiler.Validator.validateDirectives(Validator.java:1723)

    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:182)

    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)

    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)

    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)

    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)

    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)

    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)

    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:291)

    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)

    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)

    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)

    at java.lang.Thread.run(Thread.java:619)



    这样的错误该怎么办?

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