java jsp status 500_JSP,JAVA，程序突然有一个功能不好了用了。HTTP Status 500 -

最新推荐文章于 2022-11-19 19:12:28 发布

原创最新推荐文章于 2022-11-19 19:12:28 发布 · 78 阅读

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#java jsp status 500

这篇博客详细记录了一次服务器遇到内部错误的情况，具体表现为JasperException和NullPointerException。错误发生在JSP服务处理请求时，可能与Float.parseFloat()方法解析空字符串有关。博客深入剖析了错误的堆栈跟踪，并探讨了解决此类问题的策略和预防措施。

typeExceptionreportmessagedescriptionTheserverencounteredaninternalerror()thatpreventeditfromfulfillingthisrequest.exceptionorg.apache.jasper.JasperException:java.lang.Nu...

type Exception report

message

description The server encountered an internal error () that

prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: java.lang.NullPointerExceptionorg.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

java.lang.NullPointerExceptionsun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)java.lang.Float.parseFloat(Unknown Source)org.apache.jsp.admin.xx.index_jsp._jspService(index_jsp.java:327)org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)javax.servlet.http.HttpServlet.service(HttpServlet.java:803)org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

note The full stack trace of the root cause is available in the

Apache Tomcat/6.0.16 logs.

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