*Hello,*

Is there any source to get the clear idea for writing the *serializer for
the custom class object to Redis. *
After trying a lot I am unable to find the reason behind this exception.

*===================================================*
*com.esotericsoftware.kryo.KryoException: Buffer underflow.*
*Serialization trace:*
input (org.apache.storm.state.OurCustomPair)
at com.esotericsoftware.kryo.io.Input.require(Input.java:199)
~[kryo-3.0.3.jar:?]
at com.esotericsoftware.kryo.io.Input.readAscii_slow(Input.java:616)
~[kryo-3.0.3.jar:?]
at com.esotericsoftware.kryo.io.Input.readAscii(Input.java:594)
~[kryo-3.0.3.jar:?]
at com.esotericsoftware.kryo.io.Input.readString(Input.java:472)
~[kryo-3.0.3.jar:?]
at
com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:150)
~[kryo-3.0.3.jar:?]
at
com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:133)
~[kryo-3.0.3.jar:?]
at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:670)
~[kryo-3.0.3.jar:?]
at
com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:118)
~[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.readObject(Kryo.java:686)
~[kryo-3.0.3.jar:?]
at
org.apache.storm.state.OurStateSerializer.deserialize(OurStateSerializer.java:99)
~[classes/:?]
at
org.apache.storm.redis.state.RedisKeyValueState.get(RedisKeyValueState.java:143)
~[classes/:?]
at org.apache.storm.spout.CheckpointSpout.open(CheckpointSpout.java:78)
~[classes/:?]
at org.apache.storm.spout.CheckpointSpout.open(CheckpointSpout.java:67)
~[classes/:?]
at
org.apache.storm.daemon.executor$fn__5022$fn__5037.invoke(executor.clj:600)
~[classes/:?]
at org.apache.storm.util$async_loop$fn__655.invoke(util.clj:482)
[classes/:?]
at clojure.lang.AFn.run(AFn.java:22) [clojure-1.7.0.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]

-- 
Thanks & Regards,
Anshu Shukla

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