com.esotericsoftware.kryo.KryoException: java.util.ConcurrentModificationException Serialization trace: classes (java.net.URLClassLoader) classloader (java.security.ProtectionDomain) context (java.security.AccessControlContext) acc (org.apache.catalina.loader.WebappClassLoader) referent (java.util.ResourceBundle$LoaderReference) loaderRef (java.util.ResourceBundle$CacheKey) cacheKey (java.util.PropertyResourceBundle) bundle (javax.servlet.jsp.jstl.fmt.LocalizationContext)

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java.util.ConcurrentModificationException Serialization trace: classes (java.net.URLClassLoader) classloader (java.security.ProtectionDomain) context (java.security.AccessControlContext) acc (org.apache.catalina.loader.WebappClassLoader) referent
com.esotericsoftware.kryo.KryoException: java.util.ConcurrentModificationException Serialization trace: classes (java.net.URLClassLoader) classloader (java.security.ProtectionDomain) context (java.security.AccessControlContext) acc (org.apache.catalina.loader.WebappClassLoader) referent (java.util.ResourceBundle$LoaderReference) loaderRef (java.util.ResourceBundle$CacheKey) cacheKey (java.util.PropertyResourceBundle) bundle (javax.servlet.jsp.jstl.fmt.LocalizationContext)
at java.util.Vector$Itr.checkForComodification(Vector.java:1184)
at java.util.Vector$Itr.next(Vector.java:1137)
at com.esotericsoftware.kryo.serializers.CollectionSerializer.write(CollectionSerializer.java:92)
at com.esotericsoftware.kryo.serializers.CollectionSerializer.write(CollectionSerializer.java:40)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:628)
at com.esotericsoftware.kryo.serializers.DefaultArraySerializers$ObjectArraySerializer.write(DefaultArraySerializers.java:366)
at com.esotericsoftware.kryo.serializers.DefaultArraySerializers$ObjectArraySerializer.write(DefaultArraySerializers.java:307)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeObjectOrNull(Kryo.java:606)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:87)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:552)
at com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:80)
at com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:518)
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:628)
at com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:113)
at com.esotericsoftware.kryo.serializers.MapSerializer.write(MapSerializer.java:39)
at de.javakaffee.web.msm.TranscoderService.serializeAttributes(TranscoderService.java:151)
at de.javakaffee.web.msm.BackupSessionTask.serializeAttributes(BackupSessionTask.java:180)
at de.javakaffee.web.msm.BackupSessionTask.call(BackupSessionTask.java:110)
at de.javakaffee.web.msm.BackupSessionTask.call(BackupSessionTask.java:51)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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