jsp页面从数据库读数据遇到一个错误，求大神。

Servlet.service() for servlet [GoYeahAdmin] in context with path [/admin] threw exception [Handler processing failed; nested exception is java.lang.StackOverflowError] with root cause
java.lang.StackOverflowError
at org.codehaus.jackson.JsonGenerator$Feature.getMask(JsonGenerator.java:161)
at org.codehaus.jackson.impl.JsonGeneratorBase.isEnabled(JsonGeneratorBase.java:115)
at org.codehaus.jackson.impl.Utf8Generator._writeFieldName(Utf8Generator.java:405)
at org.codehaus.jackson.impl.Utf8Generator.writeFieldName(Utf8Generator.java:282)
at org.codehaus.jackson.map.ser.StdKeySerializer.serialize(StdKeySerializer.java:29)
at org.codehaus.jackson.map.ser.MapSerializer.serializeFields(MapSerializer.java:269)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:212)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:23)
at org.codehaus.jackson.map.ser.MapSerializer.serializeFields(MapSerializer.java:287)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:212)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:23)
at org.codehaus.jackson.map.ser.MapSerializer.serializeFields(MapSerializer.java:287)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:212)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:23)
at org.codehaus.jackson.map.ser.MapSerializer.serializeFields(MapSerializer.java:287)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:212)
at org.codehaus.jackson.map.ser.MapSerializer.serialize(MapSerializer.java:23)

是json的问题吗

json序列化出错，能把/admin 的url匹配的代码贴出来看看

java.lang.StackOverflowError 是堆栈溢出错误。递归调用的层次太深而导致堆栈溢出时抛出该错误。

重启一下tomcat试一下，我也碰到过几次，好像是内存不够

你把代码贴出来让大家看看啊，只有错误代码不能判断出具体啥原因！目测是json报错，可能是对象未序列化