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  1. ,

    Exception in thread "main" java.io.NotSerializableException: java.util.Hashtable$Enumerator at java.io.ObjectOutputStream.writeObject0(Unknown Source) at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source) at java.io.ObjectOutputStream.writeSe

  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 Coderanch by Mary Cole, 1 year ago
com.icon.ntral.form.IrEnt$2
via Stack Overflow by Wayne Wang
, 2 years ago
via GitHub by lairdnote
, 1 year ago
via Google Groups by feng zhao, 2 years ago
(spark.RangeDependency@23e45a5c, spark.RangeDependency@64e8606c)) - field (class "spark.UnionRDD", name: "dependencies", type: "class scala.collection.immutable.List") - object (class "spark.UnionRDD", spark.UnionRDD@6b541147) - field (class "spark.ShuffleMapTask", name: "rdd", type: "class spark.RDD") - root object (class "spark.ShuffleMapTask", ShuffleMapTask(2, 0))
via Kuali JIRA by Gayathri Athreya, 1 year ago
org.kuali.rice.kns.kim.type.DataDictionaryTypeServiceBase$2
via Kuali JIRA by Gayathri Athreya, 2 years ago
org.kuali.rice.kns.kim.type.DataDictionaryTypeServiceBase$2
java.io.NotSerializableException: com.icon.ntral.form.IrEnt$2 at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302) at org.apache.catalina.cluster.session.DeltaRequest$AttributeInfo.writeExternal(DeltaRequest.java:346) at org.apache.catalina.cluster.session.DeltaRequest.writeExternal(DeltaRequest.java:263) at org.apache.catalina.cluster.session.DeltaManager.unloadDeltaRequest(DeltaManager.java:695) at org.apache.catalina.cluster.session.DeltaManager.requestCompleted(DeltaManager.java:1249) at org.apache.catalina.cluster.tcp.ReplicationValve.sendSessionReplicationMessage(ReplicationValve.java:328) at org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve.java:271) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)