jsp页面从数据库读数据遇到一个错误，求大神。

Question

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

Answer 1

json序列化出错，能把/admin 的url匹配的代码贴出来看看