java.lang.NullPointerException

GitHub | thekalinga | 7 months ago
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    Memcached and Kryo Serialization on Tomcat throws NPE

    Google Groups | 3 months ago | Rasoul Firoz
    esotericsoftware.kryo.KryoException: java.lang.NullPointerException Serialization trace: criteria (com.quadramed.core.web.LWPagedResult)
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    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.ArrayList.ensureExplicitCapacity()
    2. Java RT
      ArrayList.ensureCapacity
      1. java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:234)[?:1.8.0_101]
      2. java.util.ArrayList.ensureCapacity(ArrayList.java:218)[?:1.8.0_101]
      2 frames
    3. Kryo
      Kryo.readClassAndObject
      1. com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:114)[kryo-4.0.0.jar:?]
      2. com.esotericsoftware.kryo.serializers.CollectionSerializer.read(CollectionSerializer.java:40)[kryo-4.0.0.jar:?]
      3. com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:731)[kryo-4.0.0.jar:?]
      4. com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)[kryo-4.0.0.jar:?]
      5. com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:540)[kryo-4.0.0.jar:?]
      6. com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:813)[kryo-4.0.0.jar:?]
      6 frames
    4. info.jerrinot.subzero
      Serializer.read
      1. info.jerrinot.subzero.internal.strategy.GlobalKryoStrategy.readObject(GlobalKryoStrategy.java:18)[subzero-core-0.3.jar:?]
      2. info.jerrinot.subzero.internal.strategy.KryoStrategy.read(KryoStrategy.java:47)[subzero-core-0.3.jar:?]
      3. info.jerrinot.subzero.Serializer.read(Serializer.java:40)[subzero-core-0.3.jar:?]
      3 frames
    5. com.hazelcast.internal
      AbstractSerializationService.toObject
      1. com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:46)[hazelcast-3.7.jar:3.7]
      2. com.hazelcast.internal.serialization.impl.AbstractSerializationService.toObject(AbstractSerializationService.java:172)[hazelcast-3.7.jar:3.7]
      2 frames