我们有一个由第三方团队开发的门户网站，不幸的是我们不再合作。此Web门户用于通过LDAP调用Active Directory以对用户进行身份验证，以便他们可以为其移动设备请求激活密钥。
我们经常看到这些错误，并且该服务对这些用户不起作用：
25-Sep-2017 16:09:38.830 SEVERE [http-nio2-8444-exec-242] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [PortalServlet] in context with path [/selfserviceportal] threw exception [Servlet execution threw an exception] with root cause
java.lang.StackOverflowError
at java.util.regex.Pattern$5.isSatisfiedBy(Unknown Source)
at java.util.regex.Pattern$5.isSatisfiedBy(Unknown Source)
at java.util.regex.Pattern$CharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$Loop.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$Loop.matchInit(Unknown Source)
at java.util.regex.Pattern$Prolog.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$Loop.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$Loop.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$Loop.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$Loop.matchInit(Unknown Source)
at java.util.regex.Pattern$Prolog.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$GroupTail.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$Curly.match0(Unknown Source)
at java.util.regex.Pattern$Curly.match(Unknown Source)
at java.util.regex.Pattern$BmpCharProperty.match(Unknown Source)
at java.util.regex.Pattern$SliceI.match(Unknown Source)
at java.util.regex.Pattern$GroupHead.match(Unknown Source)
at java.util.regex.Matcher.match(Unknown Source)
at java.util.regex.Matcher.matches(Unknown Source)
at com.good.selfservice.ldap.ActiveDirectory.searchInDistinguishedName(ActiveDirectory.java:121)
at com.good.selfservice.ldap.ActiveDirectory.searchContextInDistinguishedName(ActiveDirectory.java:95)
at com.good.selfservice.ldap.ActiveDirectory.findADGroupOfObject(ActiveDirectory.java:235)
at com.good.selfservice.ldap.ActiveDirectory.findADGroupOfObject(ActiveDirectory.java:262)
java：262行重复多次，直到它停止然后恢复......
我不是开发人员所以有人可以帮我这个吗？
非常感谢！