java.lang.UnsupportedOperationException

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    • java.lang.UnsupportedOperationException at java.util.AbstractList.remove(AbstractList.java:161)[?:1.8.0_31] at java.util.AbstractList$Itr.remove(AbstractList.java:374)[?:1.8.0_31] at java.util.AbstractList.removeRange(AbstractList.java:571)[?:1.8.0_31] at java.util.AbstractList.clear(AbstractList.java:234)[?:1.8.0_31] at org.hibernate.type.CollectionType.replaceElements(CollectionType.java:543)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.type.CollectionType.replace(CollectionType.java:697)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.type.TypeHelper.replace(TypeHelper.java:193)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.event.internal.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:407)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.event.internal.DefaultMergeEventListener.entityIsPersistent(DefaultMergeEventListener.java:219)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:192)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:85)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:876)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:858)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:863)[hibernate-core-4.3.11.Final.jar:4.3.11.Final] at org.hibernate.jpa.spi.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:1196)[hibernate-entitymanager-4.3.11.Final.jar:4.3.11.Final]

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