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我的代碼沒有錯啊 為什么 會不讓我過呢?

public class HelloWorld{

? ? public static void main(String[] args) {

String a="愛慕課";

? ?char ?b='男';

? ?int c=18;

? ?double d=120.5;

? ?boolean e=true;

? ?System.out.println("姓名:"+a+" ?性別:"+b);

? ?System.out.println("中獎數字:"+c+"價格:"+d);

? ?System.out.println("確定要關閉程序嗎:"+e);

}

}


正在回答

3 回答

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

嚴重: 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)

這種錯誤該怎么辦?


0 回復 有任何疑惑可以回復我~
#1

Gir非碼農

出現原因:tomcat對保存硬盤的session讀取失敗 解決方法:打開TOMCAT的安裝目錄,在WORK文件夾找到Catalina\localhost\你的工程名所在文件夾下, 把里面的session.ser刪除即可。 但是我進入到我的項目下居然沒搜索出這個文件,最后搜索出localhost文件夾下所有的session.ser文件并刪除掉才解決了該問題。 你試試吧
2017-03-30 回復 有任何疑惑可以回復我~

這是慕課網的問題,不用太計較,試試下面這個:

public?class?HelloWorld{
????public?static?void?main(String[]?args)?{
????????String?name="愛慕課";
????????char?sex='男';
????????int?num=18;
????????double?price=120.5;
????????boolean?isOK=true;
????????System.out.println(name);
????????System.out.println(sex);
????????System.out.println(num);
????????System.out.println(price);
????????System.out.println(isOK);
????}
}

求采納!

0 回復 有任何疑惑可以回復我~

代碼可以通過~

姓名:愛慕課??性別:男
中獎數字:18價格:120.5
確定要關閉程序嗎:true

你的意思是不能通過慕課網這里是嗎?因為慕課網對答案是模式匹配,你應該使用它們給你的變量名稱。這樣就能通過了

1 回復 有任何疑惑可以回復我~

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