最近在写JSP时遇到一个小问题,想请高手帮帮忙:
我在写JSP时遇到一个问题,想问一下:我在向一个JSP页面通过URL传参时,如果参数是中文且长度为奇数,后台就会报错,但这种问题只出现在IE6.0中,在IE7中是不会报错的String id = request.getParameter("id");
id = new String(id.getBytes("iso-8859-1"),"UTF-8");这是JSP里获取URL中参数的方法当输入的中文长度就奇数时,在IE6.0中,后台报空指针异常的错误。在IE7不报任何错,想问问为什么?
我在写JSP时遇到一个问题,想问一下:我在向一个JSP页面通过URL传参时,如果参数是中文且长度为奇数,后台就会报错,但这种问题只出现在IE6.0中,在IE7中是不会报错的String id = request.getParameter("id");
id = new String(id.getBytes("iso-8859-1"),"UTF-8");这是JSP里获取URL中参数的方法当输入的中文长度就奇数时,在IE6.0中,后台报空指针异常的错误。在IE7不报任何错,想问问为什么?
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java.lang.NullPointerException
at org.apache.jsp.accounts.accounts_005fprint_jsp._jspService(accounts_005fprint_jsp.java:612)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.jav