GameDataUtils#lambda$translateIntoOtherGameData$1:56 - java.util.ConcurrentModificationException

[tripleabuilderbot]

Map

total_ancient_war / Total_Ancient_War

TripleA Version

2.7.14809

Java Version

11.0.19

Operating System

Windows 10

Heap Size

4076M

Stack Trace

Exception: java.util.ConcurrentModificationException 
java.lang.Exception
	at java.base/java.util.ArrayList.writeObject(ArrayList.java:901)
	at java.base/jdk.internal.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at java.base/java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1016)
	at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1487)
	at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1423)
	at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1169)
	at java.base/java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1543)
	at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1500)
	at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1423)
	at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1169)
	at java.base/java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1543)
	at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1500)
	at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1423)
	at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1169)
	at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:345)
	at games.strategy.engine.framework.GameDataUtils.lambda$translateIntoOtherGameData$1(GameDataUtils.java:56)
	at org.triplea.io.IoUtils.writeToMemory(IoUtils.java:73)
	at games.strategy.engine.framework.GameDataUtils.translateIntoOtherGameData(GameDataUtils.java:53)
	at games.strategy.engine.framework.HistorySynchronizer.translateIntoMyData(HistorySynchronizer.java:129)
	at games.strategy.engine.framework.HistorySynchronizer$1.lambda$gameDataChanged$0(HistorySynchronizer.java:29)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

[frigoref]

@author: Can it be reproduced? If so, how?