java.lang.StringIndexOutOfBoundsException: String index out of range: 1这是怎么回事？

String index out of

range: 1

range: 2

`````````````````信息: Server startup in 15044 ms

服务器启动完成

找到list，list=logService.findAll("condition",page);

logList = list.subList(1,30);

后台输出：

==toSerch()=====list.size()====44

2012-9-10 11:15:55 org.apache.catalina.core.ApplicationDispatcher invoke

严重: Servlet.service() for servlet jsp threw exception

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

at java.lang.String.substring(String.java:1935)

at com.opensymphony.xwork2.ognl.OgnlValueStack.findAvailableProperties(OgnlValueStack.java:365)

at com.opensymphony.xwork2.ognl.OgnlValueStack.checkForInvalidProperties(OgnlValueStack.java:325)

at com.opensymphony.xwork2.ognl.OgnlValueStack.findValue(OgnlValueStack.java:284)

at org.apache.struts2.components.Property.start(Property.java:141)

at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:53)

at org.apache.jsp.jsp.smsLog.serchout_jsp._jspx_meth_s_005fproperty_005f7(serchout_jsp.java:724)

at org.apache.jsp.jsp.smsLog.serchout_jsp._jspService(serchout_jsp.java:170)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

严重: Servlet.service() for servlet jsp threw exception

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

at java.lang.String.substring(String.java:1935)

at com.opensymphony.xwork2.ognl.OgnlValueStack.find

descriptionThe server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: java.lang.StringIndexOutOfBoundsException: String index out of range: 1
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:491)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)

上图是出错的列表，下图是正常的页面！