java.lang.StringIndexOutOfBoundsException: String index out of range: -1

[myrl1023]

HTTP Status 500 -

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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: /index.jsp:75

72: bordercolor="#3F96E3">
73:
74: <tr>
75: <td valign="top" style="text-justify :auto;"><jsp:include
76: page="/product/newproductinfo.jsp" /></td>
77: </tr>
78: </table>


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.erp.fiter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:34)


root cause

org.apache.jasper.JasperException: Exception in JSP: /product/newproductinfo.jsp:74

71: color="Navy"><%=lt.get(i).getBuyNumber()%></font></div>
72: <div style="float:left;width:20%;line-height:20px;"><font
73: color="Navy"><%=lt.get(i).getUserIp().substring(0,
74: lt.get(i).getUserIp().lastIndexOf(","))
75: .replaceAll(",", "")%></font></div>
76: <div style="float:left; width:20%;line-height:20px;"><font
77: color="Navy"><%=lt.get(i).getReleaseDate()%></font></div>


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
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)
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:133)
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.erp.fiter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:34)


root cause

java.lang.StringIndexOutOfBoundsException: String index out of range: -1
java.lang.String.substring(String.java:1768)
org.apache.jsp.product.newproductinfo_jsp._jspService(org.apache.jsp.product.newproductinfo_jsp:147)
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)
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:133)
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.erp.fiter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:34)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.15 logs.


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Apache Tomcat/5.5.15

[hebian001]

74: lt.get(i).getUserIp().lastIndexOf(","))

lt.get(i).getUserIp(). 确定这里面有“，”

[chjx1982]

[Quote=引用 1 楼 hebian001 的回复:]
74: lt.get(i).getUserIp().lastIndexOf(","))

lt.get(i).getUserIp(). 确定这里面有“，”
[/Quote]
打印出来瞧瞧。

[我不是大明]

[Quote=引用 1 楼 hebian001 的回复:]
74: lt.get(i).getUserIp().lastIndexOf(","))

lt.get(i).getUserIp(). 确定这里面有“，”


[/Quote]


同意

[ziming1019]

lt.get(i).getUserIp().lastIndexOf(",") 要是没有","的话会返回-1
substring(0,-1)会报错吧……