Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by hipatel7
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at com.fasterxml.jackson.databind.type.ResolvedRecursiveType.equals(ResolvedRecursiveType.java:103)	at com.fasterxml.jackson.databind.type.TypeBindings$AsKey.equals(TypeBindings.java:458)	at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:940)	at com.fasterxml.jackson.databind.util.LRUMap.get(LRUMap.java:68)	at com.fasterxml.jackson.databind.type.TypeFactory._fromClass(TypeFactory.java:1211)	at com.fasterxml.jackson.databind.type.TypeFactory._fromParamType(TypeFactory.java:1384)	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1154)	at com.fasterxml.jackson.databind.type.TypeFactory._fromVariable(TypeFactory.java:1409)	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1164)	at com.fasterxml.jackson.databind.type.TypeFactory._fromParamType(TypeFactory.java:1380)	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1154)	at com.fasterxml.jackson.databind.type.TypeFactory._fromParamType(TypeFactory.java:1380)	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1154)	at com.fasterxml.jackson.databind.type.TypeFactory._resolveSuperClass(TypeFactory.java:1285)	at com.fasterxml.jackson.databind.type.TypeFactory._fromClass(TypeFactory.java:1246)	at com.fasterxml.jackson.databind.type.TypeFactory._fromAny(TypeFactory.java:1150)	at com.fasterxml.jackson.databind.type.TypeFactory.constructType(TypeFactory.java:618)	at com.fasterxml.jackson.databind.cfg.MapperConfig.constructType(MapperConfig.java:290)	at com.fasterxml.jackson.databind.cfg.MapperConfig.introspectClassAnnotations(MapperConfig.java:320)	at com.fasterxml.jackson.databind.ser.BasicSerializerFactory.createTypeSerializer(BasicSerializerFactory.java:264)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.findPropertyTypeSerializer(BeanSerializerFactory.java:324)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory._constructWriter(BeanSerializerFactory.java:817)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.findBeanProperties(BeanSerializerFactory.java:611)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.constructBeanSerializer(BeanSerializerFactory.java:390)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.findBeanSerializer(BeanSerializerFactory.java:273)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory._createSerializer2(BeanSerializerFactory.java:225)	at com.fasterxml.jackson.databind.ser.BeanSerializerFactory.createSerializer(BeanSerializerFactory.java:159)	at com.fasterxml.jackson.databind.SerializerProvider._createUntypedSerializer(SerializerProvider.java:1272)	at com.fasterxml.jackson.databind.SerializerProvider._createAndCacheUntypedSerializer(SerializerProvider.java:1222)	at com.fasterxml.jackson.databind.SerializerProvider.findValueSerializer(SerializerProvider.java:499)	at com.fasterxml.jackson.databind.SerializerProvider.findTypedValueSerializer(SerializerProvider.java:697)	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:270)	at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3672)	at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3048)	at com.fasterxml.jackson.databind.CircularGenericsTest.testWrite(CircularGenericsTest.java:20)