，。
<html><head><title>apachetomcat/7.0.62-errorreport</title><style><!--h1{font-family:tahoma,arial,sans-serif;color:hite;background-color:#525d76;font-size:22px;}h2{font-family:tahoma,arial,sans-serif;color:hite;background-color:#525d76;font-size:16px;}h3{font-family:tahoma,arial,sans-serif;color:hite;background-color:#525d76;font-size:14px;}body{font-family:tahoma,arial,sans-serif;color:black;background-color:hite;}b{font-family:tahoma,arial,sans-serif;color:hite;background-color:#525d76;}p{font-family:tahoma,arial,sans-serif;background:hite;color:black;font-size:12px;}a{color:black;}a.name{color:black;}hr{color:#525d76;}--></style></head><body><h1>httpstatus500-stringindexoutofrange:-6</h1><hrsize="1"noshade="noshade">\r
<b>type</b>exceptionreport</p>\r
<b>message</b><u>stringindexoutofrange:-6</u></p>\r
<b>description</b><u>theserverencounteredaninternalerrorthatpreventeditfromfulfillingthisrequest.</u></p>\r
<b>exception</b>
java.lang.stringindexoutofboundsexception:stringindexoutofrange:-6
java.lang.string.substring(unknonsource)
com.lib.decryptutil.filedecrypt(decryptutil.java:22)
com.encrypt.action.execute(action.java:59)
sun.reflect.essor38.invoke(unknonsource)
sun.reflect.essorimpl.invoke(unknonsource)
java.lang.reflect.method.invoke(unknonsource)
com.opensymphony.xork2.defaultactioninvocation.invokeaction(defaultactioninvocation.java:452)
com.opensymphony.xork2.defaultactioninvocation.invokeactiononly(defaultactioninvocation.java:291)
com.opensymphony.xork2.defaultactioninvocation.invoke(defaultactioninvocation.java:254)
com.opensymphony.xork2.interceptor.defaultorkflointerceptor.dointercept(defaultorkflointerceptor.java:176)
com.opensymphony.xork2.interceptor.methodfilterinterceptor.intercept(methodfilterinterceptor.java:98)
com.opensymphony.xork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)
com.opensymphony.xork2.validator.validationinterceptor.dointercept(validationinterceptor.java:263)
org.apache.struts2.interceptor.validation.annotationvalidationinterceptor.dointercept(annotationvalidationinterceptor.java:68)
com.opensymphony.xork2.interceptor.methodfilterinterceptor.intercept(methodfilterinterceptor.java:98)
com.opensymphony.xork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)
com.opensymphony.xork2.interceptor.conversionerrorinterceptor.intercept(conversionerrorinterceptor.java:133)
com.opensymphony.xork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)
com.opensymphony.xork2.interceptor.parametersinterceptor.dointercept(parametersinterceptor.java:207)
com.opensymphony.xork2.interceptor.methodfilterinterceptor.intercept(methodfilterinterceptor.java:98)
com.opensymphony.xork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)
com.opensymphony.xork2.interceptor.parametersinterceptor.dointercept(parametersinterceptor.java:207)
com.opensymphony.xork2.interceptor.methodfilterinterceptor.intercept(methodfilterinterceptor.java:98)
com.opensymphony.xork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)
com.opensymphony.xork2.interceptor.staticparametersinterceptor.intercept(staticparametersinterceptor.java:190)