Re: Error in commons collections4 Caused by java util ConcurrentModificationException

2017-12-28 Thread Gary Gregory 
Just like it says on the Javadoc:
https://docs.oracle.com/javase/7/docs/api/java/util/ConcurrentModificationException.html

One piece of code must be reading while another is writing on the
collection.

Gary

On Thu, Dec 28, 2017 at 11:21 AM, durairaj t  wrote:

> Hi All,
>
> I'm using comm.coll4 with JBOSS EAP sever 7.0 runtime and getting the below
> error,
>
> I don't know whats going on, Any help?
>
>
> Error Message:
> __
>
> Caused by: java.util.ConcurrentModificationException
> at org.apache.commons.collections4.map.AbstractLinkedMap$LinkIt
> erator.nextEntry(AbstractLinkedMap.java:552)
> at org.apache.commons.collections4.map.AbstractLinkedMap$LinkMa
> pIterator.next(AbstractLinkedMap.java:357)
> at org.apache.commons.collections4.map.AbstractHashedMap.doWrit
> eObject(AbstractHashedMap.java:1233)
> at org.apache.commons.collections4.map.LinkedMap.writeObject(
> LinkedMap.java:124)
> at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
> thodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.jboss.marshalling.reflect.SerializableClass.callWriteObj
> ect(SerializableClass.java:271)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:976)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
> verMarshaller.java:854)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
> verMarshaller.java:1032)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:988)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
> verMarshaller.java:854)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
> verMarshaller.java:1032)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:988)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
> verMarshaller.java:854)
> at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(Bl
> ockMarshaller.java:65)
> at org.jboss.marshalling.river.BlockMarshaller.writeObject(Bloc
> kMarshaller.java:56)
> at org.jboss.marshalling.MarshallerObjectOutputStream.writeObje
> ctOverride(MarshallerObjectOutputStream.java:50)
> at org.jboss.marshalling.river.RiverObjectOutputStream.writeObj
> ectOverride(RiverObjectOutputStream.java:179)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
> at java.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOn
> WriteArrayList.java:972)
> at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
> thodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.jboss.marshalling.reflect.SerializableClass.callWriteObj
> ect(SerializableClass.java:271)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:976)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
> verMarshaller.java:854)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
> verMarshaller.java:1032)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:988)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
> verMarshaller.java:854)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
> verMarshaller.java:1032)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:988)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
> bleObject(RiverMarshaller.java:967)
> at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
> verMarshaller.java:854)
> at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(Bl
> ockMarshaller.java:65)
> at org.jboss.marshalling.river.BlockMarshaller.writeObject(Bloc
> kMarshaller.java:56)
> at org.jboss.marshalling.MarshallerObjectOutputStream.writeObje
> ctOverride(MarshallerObjectOutputStream.java:50)
> at org.jboss.marshalling.river.RiverObjectOutputStream.writeObj
> ectOverride(RiverObjectOutputStream.java:179)
> at

Error in commons collections4 Caused by java util ConcurrentModificationException

2017-12-28 Thread durairaj t 
Hi All,

I'm using comm.coll4 with JBOSS EAP sever 7.0 runtime and getting the below
error,

I don't know whats going on, Any help?


Error Message:
__

Caused by: java.util.ConcurrentModificationException
at org.apache.commons.collections4.map.AbstractLinkedMap$LinkIt
erator.nextEntry(AbstractLinkedMap.java:552)
at org.apache.commons.collections4.map.AbstractLinkedMap$LinkMa
pIterator.next(AbstractLinkedMap.java:357)
at org.apache.commons.collections4.map.AbstractHashedMap.doWrit
eObject(AbstractHashedMap.java:1233)
at org.apache.commons.collections4.map.LinkedMap.writeObject(
LinkedMap.java:124)
at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
thodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.jboss.marshalling.reflect.SerializableClass.callWriteObj
ect(SerializableClass.java:271)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:976)
at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
verMarshaller.java:854)
at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
verMarshaller.java:1032)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:988)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
verMarshaller.java:854)
at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
verMarshaller.java:1032)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:988)
at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
verMarshaller.java:854)
at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(Bl
ockMarshaller.java:65)
at org.jboss.marshalling.river.BlockMarshaller.writeObject(Bloc
kMarshaller.java:56)
at org.jboss.marshalling.MarshallerObjectOutputStream.writeObje
ctOverride(MarshallerObjectOutputStream.java:50)
at org.jboss.marshalling.river.RiverObjectOutputStream.writeObj
ectOverride(RiverObjectOutputStream.java:179)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
at java.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOn
WriteArrayList.java:972)
at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
thodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.jboss.marshalling.reflect.SerializableClass.callWriteObj
ect(SerializableClass.java:271)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:976)
at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
verMarshaller.java:854)
at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
verMarshaller.java:1032)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:988)
at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
verMarshaller.java:854)
at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri
verMarshaller.java:1032)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:988)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa
bleObject(RiverMarshaller.java:967)
at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri
verMarshaller.java:854)
at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(Bl
ockMarshaller.java:65)
at org.jboss.marshalling.river.BlockMarshaller.writeObject(Bloc
kMarshaller.java:56)
at org.jboss.marshalling.MarshallerObjectOutputStream.writeObje
ctOverride(MarshallerObjectOutputStream.java:50)
at org.jboss.marshalling.river.RiverObjectOutputStream.writeObj
ectOverride(RiverObjectOutputStream.java:179)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
at java.util.concurrent.ConcurrentHashMap.writeObject(Concurren
tHashMap.java:1413)
at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
thodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.jboss.marshalling.reflect.SerializableClass.callWriteObj
ect(SerializableClass.java:271)
at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa