Hi Anandh,
according to the error message, your class lacks a simple no arguments
constructor like this:
public LocalDate() {}
Kryo needs this for working properly when doing deserialization I think.
Give it a try!
Jonas
Am Do., 16. Sept. 2021 um 09:05 Uhr schrieb Anandh Kumar <
[email protected]>:
> Dear Team,
>
> I am using storm2.2.0 in my production environment, in that I have
> deployed my topology which is in java. I have used the Cassandra DataStax
> driver 3.10.2 version. I have used 12 node clusters in my storm environment.
> When I deployed my topology some of the nodes and sometimes I am getting
> following exceptions.
> Can you please let me know when I am getting this error and how I can
> resolve this issue?
>
> com.esotericsoftware.kryo.KryoException: Class cannot be created (missing
> no-arg constructor): com.datastax.driver.core.LocalDate
> Serialization trace:
> data (com.netcore.pe.pojo.Profile)
> at
> com.esotericsoftware.kryo.Kryo$DefaultInstantiatorStrategy.newInstantiatorOf(Kryo.java:1272)
> ~[kryo-3.0.3.jar:?]
> at com.esotericsoftware.kryo.Kryo.newInstantiator(Kryo.java:1078)
> ~[kryo-3.0.3.jar:?]
> at com.esotericsoftware.kryo.Kryo.newInstance(Kryo.java:1087)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.create(FieldSerializer.java:570)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:546)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:793)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:161)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:39)
> ~[kryo-3.0.3.jar:?]
> at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:711)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:551)
> ~[kryo-3.0.3.jar:?]
> at
> com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:793)
> ~[kryo-3.0.3.jar:?]
> Regards,
> -Anandh Kumar
>
