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有没有同一条件记录,记录数求和功能,如果有应该怎么做呀?
谢谢
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ListDropDown 可不可以不打开下拉列表就默认显示其中一个值呢
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dorado-jfreechart 问题
已经按照教程在做了，都完成了，但是调试时就出现了以下的错误，帮我看看可以吗，哪里的问题
急，很急，哪位给我看看呀
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Exception in JSP: /Object/pra.jsp:9
6: </head>
7: <body>
8: <d:View config="Object.pra">
9: <d:Control id="pieChart1" type="PieChart"/>
10: </d:View>
11: </body>
12: </html>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
root cause
javax.servlet.ServletException: tried to access method net.sf.ehcache.CacheManager.<init>(Ljava/net/URL;)V from class com.bstek.dorado.extension.jfreechart.utils.ObjectStorage
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.Object.pra_jsp._jspService(pra_jsp.java:73)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
root cause
java.lang.IllegalAccessError: tried to access method net.sf.ehcache.CacheManager.<init>(Ljava/net/URL;)V from class com.bstek.dorado.extension.jfreechart.utils.ObjectStorage
com.bstek.dorado.extension.jfreechart.utils.ObjectStorage.<init>(ObjectStorage.java:19)
com.bstek.dorado.extension.jfreechart.control.ChartOutputter.doOutputStartSection(ChartOutputter.java:65)
com.bstek.dorado.view.smartweb.v2.output.AbstractComponentOutputter.outputStartSection(Unknown Source)
com.bstek.dorado.view.smartweb.v2.output.AbstractPlaceableControlOutputter.outputStartSection(Unknown Source)
com.bstek.dorado.view.taglib.BaseControlTag.doStartTag(Unknown Source)
org.apache.jsp.Object.pra_jsp._jspx_meth_d_Control_0(pra_jsp.java:123)
org.apache.jsp.Object.pra_jsp._jspx_meth_d_View_0(pra_jsp.java:95)
org.apache.jsp.Object.pra_jsp._jspService(pra_jsp.java:63)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
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已经按照教程在做了，都完成了，但是调试时就出现了以下的错误，帮我看看可以吗，哪里的问题
急，很急，哪位给我看看呀
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Exception in JSP: /Object/pra.jsp:9
6: </head>
7: <body>
8: <d:View config="Object.pra">
9: <d:Control id="pieChart1" type="PieChart"/>
10: </d:View>
11: </body>
12: </html>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
root cause
javax.servlet.ServletException: tried to access method net.sf.ehcache.CacheManager.<init>(Ljava/net/URL;)V from class com.bstek.dorado.extension.jfreechart.utils.ObjectStorage
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.Object.pra_jsp._jspService(pra_jsp.java:73)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
root cause
java.lang.IllegalAccessError: tried to access method net.sf.ehcache.CacheManager.<init>(Ljava/net/URL;)V from class com.bstek.dorado.extension.jfreechart.utils.ObjectStorage
com.bstek.dorado.extension.jfreechart.utils.ObjectStorage.<init>(ObjectStorage.java:19)
com.bstek.dorado.extension.jfreechart.control.ChartOutputter.doOutputStartSection(ChartOutputter.java:65)
com.bstek.dorado.view.smartweb.v2.output.AbstractComponentOutputter.outputStartSection(Unknown Source)
com.bstek.dorado.view.smartweb.v2.output.AbstractPlaceableControlOutputter.outputStartSection(Unknown Source)
com.bstek.dorado.view.taglib.BaseControlTag.doStartTag(Unknown Source)
org.apache.jsp.Object.pra_jsp._jspx_meth_d_Control_0(pra_jsp.java:123)
org.apache.jsp.Object.pra_jsp._jspx_meth_d_View_0(pra_jsp.java:95)
org.apache.jsp.Object.pra_jsp._jspService(pra_jsp.java:63)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
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|
已经按照教程在做了，都完成了，但是调试时就出现了以下的错误，帮我看看可以吗，哪里的问题
HTTP Status 500 -
--------------------------------------------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Exception in JSP: /Object/pra.jsp:9
6: </head>
7: <body>
8: <d:View config="Object.pra">
9: <d:Control id="pieChart1" type="PieChart"/>
10: </d:View>
11: </body>
12: </html>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
root cause
javax.servlet.ServletException: tried to access method net.sf.ehcache.CacheManager.<init>(Ljava/net/URL;)V from class com.bstek.dorado.extension.jfreechart.utils.ObjectStorage
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.Object.pra_jsp._jspService(pra_jsp.java:73)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
root cause
java.lang.IllegalAccessError: tried to access method net.sf.ehcache.CacheManager.<init>(Ljava/net/URL;)V from class com.bstek.dorado.extension.jfreechart.utils.ObjectStorage
com.bstek.dorado.extension.jfreechart.utils.ObjectStorage.<init>(ObjectStorage.java:19)
com.bstek.dorado.extension.jfreechart.control.ChartOutputter.doOutputStartSection(ChartOutputter.java:65)
com.bstek.dorado.view.smartweb.v2.output.AbstractComponentOutputter.outputStartSection(Unknown Source)
com.bstek.dorado.view.smartweb.v2.output.AbstractPlaceableControlOutputter.outputStartSection(Unknown Source)
com.bstek.dorado.view.taglib.BaseControlTag.doStartTag(Unknown Source)
org.apache.jsp.Object.pra_jsp._jspx_meth_d_Control_0(pra_jsp.java:123)
org.apache.jsp.Object.pra_jsp._jspx_meth_d_View_0(pra_jsp.java:95)
org.apache.jsp.Object.pra_jsp._jspService(pra_jsp.java:63)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.bstek.dorado.core.FilterHandle.c(Unknown Source)
com.bstek.dorado.core.FilterHandle.doFilter(Unknown Source)
com.bstek.dorado.core.DoradoFilter.doFilter(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
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Buildfile: work\build.xml
compile:
[javac] Compiling 1 source file to D:\student\student\web\WEB-INF\classes
[javac] 注意：D:\student\student\src\combine\PieProducer.java 使用了未经检查或不安全的操作。
[javac] 注意：要了解详细信息，请使用 -Xlint:unchecked 重新编译。
应该如何设置
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如果登陆的时候呢，输入用户名和密码，输入的密码显示为*******如何做
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做中文查询时，查不到，如何做
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如何在输入密码的时候，密码文本框显示的是********，如何做
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试试先,不过还是要谢谢
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想问一下，为什么我用dorado写的软件，每个用户只能上传一百个，超出的就查询不到了，不知道办什么
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如何解决查询中文问题
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怎么将user里的值，赋值给session
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还不是很明白
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首页登陆的用户名的值符给第二页，使其自动查找该用户的信息。
这个应该怎么做。请详细说明。
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