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    org.apache.jasper.JasperException: Unable to compile class for JSP

    我也遇到了這樣的問(wèn)題,這樣的問(wèn)題主要是由于你配置的環(huán)境變量的原因所造成的我們來(lái)看一下造成這種情況的主要原因:
    很明顯他說(shuō):org.apache.jasper.JasperException: Unable to compile class for JSP
    意思是不他不能夠完成類(lèi)的編繹,造成他的的原因是我沒(méi)有正確配置我的vm,在這里我提前說(shuō)一下我的這個(gè)項(xiàng)目在手動(dòng)啟動(dòng)Tomcat的statup.bat文件的時(shí)候是沒(méi)有任何問(wèn)題的,出現(xiàn)問(wèn)題的原因是我用eclipse中的Tomcat啟動(dòng)時(shí)出現(xiàn)的,從這里就可以看出確實(shí)是我的vm設(shè)置的不正確所造成的,經(jīng)過(guò)的查找我發(fā)現(xiàn)我在編繹這個(gè)項(xiàng)目的時(shí)候我用的vm是1.4的(從這里可以查看【W(wǎng)indow】->【Preferences】->【Java】->【Compiler】->【JDK Compliance level】->1.4)而在啟動(dòng)eclipse中的tomcat的時(shí)候他讓tomcat用的vm是eclipse自身帶的vm我的eclipse是5.5.1的從這里可以看出他應(yīng)該是用的1.5的vm(從這里可以查看windows -> preference ->AplicationServers-> tomcat -> JDK-> Tomcate JDK name )因此部題就水落石出了,我們只要么讓這兩個(gè)編繹器相同就可以了。

    額外補(bǔ)充一點(diǎn)就是剛才我們費(fèi)的那老半天的勁就是為了一個(gè)目的讓他能夠用的tools.jar這個(gè)工具,困為T(mén)omcat在工作的時(shí)候就主要是用這個(gè)工具來(lái)進(jìn)行編繹的,所以你如果不用eclipse來(lái)啟動(dòng)tomcat的話一定要讓tomcat能夠找到這個(gè)文件,也就是你要在你的環(huán)境變量中設(shè)置對(duì)讓你的JAVA_HOME的路徑正確。(tool.jar是在你的java的lib目錄下的)

    posted on 2008-12-09 12:03 丁克設(shè)計(jì) 閱讀(88693) 評(píng)論(12)  編輯  收藏 所屬分類(lèi): 常見(jiàn)錯(cuò)誤解答

    評(píng)論

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP[未登錄](méi) 2011-12-01 16:03 檸檬

    嚴(yán)重: Servlet.service() for servlet jsp threw exception
    org.apache.jasper.JasperException: Unable to compile class for JSP:


    Stacktrace:
    at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)
    at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
    at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:415)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    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:228)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
    at java.lang.Thread.run(Unknown Source)
    不是配置環(huán)境變量的錯(cuò)。我找了好久的錯(cuò)誤了  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP 2012-04-19 19:15 fei

    Servlet.service() for servlet jsp threw exception
    org.apache.jasper.JasperException: Unable to compile class for JSP:

    An error occurred at line: 7 in the generated java file
    Syntax error on token "import", Identifier expected after this token

    Stacktrace:
    at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92)
    at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
    at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:423)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:316)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:294)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:281)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    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.ApplicationDispatcher.invoke(ApplicationDispatcher.java:630)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
    at org.apache.jsp.dologin_jsp._jspService(dologin_jsp.java:114)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    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:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    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:286)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:619)  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP 2012-04-27 19:28 chenxm

    你網(wǎng)站做的很漂亮  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP 2013-03-12 19:15 521

    我的也出現(xiàn)了這個(gè)錯(cuò)誤,一直找不到問(wèn)題所在,你的問(wèn)題解決了嗎?是怎么解決的啊@檸檬
      回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP[未登錄](méi) 2013-03-28 15:15 ws

    也許是你在js文件中導(dǎo)入了一個(gè)不存在的類(lèi)!  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP 2013-04-30 17:09 大梨

    好郁悶找了好久啦,問(wèn)題還是在  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP[未登錄](méi) 2013-05-13 12:45 小白

    很有用,贊一個(gè)  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP[未登錄](méi) 2013-06-04 21:28 XH

    235541 [http-8080-Processor17] ERROR org.apache.jasper.compiler.Compiler - Error compiling file: /F:/workspace/V7.1/YLtamin/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/work/Catalina/localhost/cvbs//org/apache/jsp/bss/custct/payment\Payment_jsp.java [javac] Compiling 1 source file

    The system is out of resources.
    Consult the following stack trace for details.
    java.lang.OutOfMemoryError


    我也出現(xiàn)了上面的問(wèn)題 一直報(bào)錯(cuò)。。。  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP 2014-04-01 21:22

    你是怎么解決的@檸檬
      回復(fù)  更多評(píng)論   

    # org.apache.jasper.servlet.JspServletWrapper.service 2014-04-28 23:56 11

    1  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP[未登錄](méi) 2015-06-17 16:57 Dream

    @ws
    那如何導(dǎo)入自己所定義的類(lèi)呢?應(yīng)該將自定義的類(lèi)放在Eclipse創(chuàng)建的JavaWeb工程的那個(gè)文件中?一般JSP頁(yè)面中的自定義的類(lèi)運(yùn)行時(shí)首先會(huì)去工程的哪個(gè)目錄中尋找?  回復(fù)  更多評(píng)論   

    # re: org.apache.jasper.JasperException: Unable to compile class for JSP 2015-08-15 23:14 子灝

    tomcat 下,work目錄的內(nèi)容都刪除下,試試。  回復(fù)  更多評(píng)論   


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