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  1. ,

    Exception in thread "main" java.util.Hashtable$Enumerator at Source) at Source) at

  2. ,
    via Stack Overflow by Matthias

    Your object contains member variables which are themselves not serializable 'ReportDataStoreRegion'. If you really want to serialize your object. One option would be to declare the variable as transient so that it is not serialized.

Solutions on the web

via GitHub by Julm
, 1 year ago
Failed to serialize 'org.icij.datashare.text.Document'
via Stack Overflow by I. Domshchikov
, 1 year ago
Failed to serialize ''
via Google Groups by Ceyhan Kasap, 2 months ago
Failed to serialize 'com.hazelcast.spi.impl.operationservice.impl.operations.Backup'
via Stack Overflow by simpleusr
, 2 months ago
Failed to serialize 'com.hazelcast.spi.impl.operationservice.impl.operations.Backup'
via Google Groups by Unknown author, 3 hours ago
via GitHub by dsukhoroslov
, 3 months ago
Failed to serialize 'com.bagri.server.hazelcast.task.doc.DocumentProcessor' sun.nio.cs.UTF_8	at	at	at	at	at	at	at com.hazelcast.internal.serialization.impl.JavaDefaultSerializers$JavaSerializer.write(	at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.write(	at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toBytes(	at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toData(	at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toData(	at com.hazelcast.spi.impl.NodeEngineImpl.toData(	at com.hazelcast.collection.impl.queue.QueueProxyImpl.offer(	at com.hazelcast.collection.impl.queue.QueueProxyImpl.put(	at org.icij.datashare.concurrent.queue.OutputQueue.put(	at org.icij.datashare.text.extraction.FileParsingTask.process(	at org.icij.datashare.text.extraction.FileParsingTask.process(	at	at	at	at java.util.concurrent.ThreadPoolExecutor.runWorker(	at java.util.concurrent.ThreadPoolExecutor$	at