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Posted to issues@geode.apache.org by "Donal Evans (Jira)" <ji...@apache.org> on 2020/01/09 18:19:00 UTC
[jira] [Updated] (GEODE-7643) Gateway unprocessedTokensMap appears
to grow without bounds with replicated regions and peer accessors
[ https://issues.apache.org/jira/browse/GEODE-7643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donal Evans updated GEODE-7643:
-------------------------------
Description:
When peer accessors do puts to a replicated region with a serial gateway sender via multiple threads and on the same key, {{ConcurrentCacheModificationException}} in {{LocalRegion.virtualPut}} causes {{notifyGatewaySender}} to be called, which puts the event into the queue. Since the {{AbstractUpdateOperation.doPutOrCreate}} method can potentially call {{LocalRegion.virtualPut}} three times and encounter a {{ConcurrentCacheModificationException}} each time, this can lead to the event being put in the queue twice but only removed once and causing the unprocessedTokensMap to accumulate events.
Here are the two stacks:
{noformat}
[warn 2019/12/02 12:47:59.102 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX LocalRegion.virtualPut caught ConcurrentCacheModificationException about to notifyGatewaySender eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=5;sequenceID=273]; ifNew=false; ifOld=true; overwriteDestroyed=false; eventIdentity=329453507; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163; payloadLength=0 bytes]
java.lang.Exception
at org.apache.geode.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5591)
at org.apache.geode.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:385)
at org.apache.geode.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:162)
at org.apache.geode.internal.cache.LocalRegion.basicUpdate(LocalRegion.java:5561)
at org.apache.geode.internal.cache.AbstractUpdateOperation.doPutOrCreate(AbstractUpdateOperation.java:182)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.basicOperateOnRegion(AbstractUpdateOperation.java:287)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.operateOnRegion(AbstractUpdateOperation.java:258)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.basicProcess(DistributedCacheOperation.java:1206)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.process(DistributedCacheOperation.java:1108)
at org.apache.geode.distributed.internal.DistributionMessage.scheduleAction(DistributionMessage.java:372)
at org.apache.geode.distributed.internal.DistributionMessage.schedule(DistributionMessage.java:427)
{noformat}
{noformat}
[warn 2019/12/02 12:47:59.108 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX LocalRegion.virtualPut caught ConcurrentCacheModificationException about to notifyGatewaySender eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=5;sequenceID=273]; ifNew=false; ifOld=false; overwriteDestroyed=true; eventIdentity=329453507; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163; payloadLength=0 bytes]
java.lang.Exception
at org.apache.geode.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5591)
at org.apache.geode.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:385)
at org.apache.geode.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:162)
at org.apache.geode.internal.cache.LocalRegion.basicUpdate(LocalRegion.java:5561)
at org.apache.geode.internal.cache.AbstractUpdateOperation.doPutOrCreate(AbstractUpdateOperation.java:194)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.basicOperateOnRegion(AbstractUpdateOperation.java:287)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.operateOnRegion(AbstractUpdateOperation.java:258)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.basicProcess(DistributedCacheOperation.java:1206)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.process(DistributedCacheOperation.java:1108)
{noformat}
Here are the corresponding puts into the queue:
{noformat}
[warn 2019/12/02 12:47:59.104 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX SerialGatewaySenderQueue.putAndGetKey key=3625; eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163.08897399902344; payloadLength=0 bytes]
{noformat}
{noformat}
[warn 2019/12/02 12:47:59.110 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX SerialGatewaySenderQueue.putAndGetKey key=3635; eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163.08897399902344; payloadLength=0 bytes]
{noformat}
On the secondary, when the event is received via normal replication, its added to the unprocessedEvents map:
{noformat}
[warn 2019/12/02 12:47:59.100 PST <P2P message reader for 10.255.202.119(accessor-ln-1:85194)<v98>:41005 unshared ordered uid=13 dom #1 port=59022> tid=0x58] SerialGatewaySenderEventProcessor.basicHandleSecondaryEvent put unprocessedEvents eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
{noformat}
The first replication from the primary queue is received which removes the event from the unprocessedEvents map:
{noformat}
[warn 2019/12/02 12:47:59.104 PST <P2P message reader for 10.255.202.119(gateway-ln-1:85170)<v96>:41003 unshared ordered uid=18 dom #3 port=59052> tid=0x68] XXX SerialSecondaryGatewayListener.afterCreate senderEvent=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
[warn 2019/12/02 12:47:59.104 PST <Queued Gateway Listener Thread1> tid=0x5e] SerialGatewaySenderEventProcessor.basicHandlePrimaryEvent removed unprocessedEvents eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; value=org.apache.geode.internal.cache.wan.AbstractGatewaySender$EventWrapper@3f6df03b
{noformat}
Then the second replication from the primary queue is received which incorrectly adds the event to the unprocessedTokens map where is stays forever:
{noformat}
[warn 2019/12/02 12:47:59.110 PST <P2P message reader for 10.255.202.119(gateway-ln-1:85170)<v96>:41003 unshared ordered uid=18 dom #3 port=59052> tid=0x68] XXX SerialSecondaryGatewayListener.afterCreate senderEvent=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
[warn 2019/12/02 12:47:59.110 PST <Queued Gateway Listener Thread1> tid=0x5e] SerialGatewaySenderEventProcessor.basicHandlePrimaryEvent put unprocessedTokens eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; value=1575319799110; size=914 {noformat}
The proposed solution to this issue is to add two boolean arguments to the {{LocalRegion.virtualPut}} method, one to control if a {{ConcurrentCacheModificationException}} should result in notifying the bridge clients and gateway senders, and another to control if any {{ConcurrentCacheModificationException}} encountered should be thrown or suppressed. These arguments allow the {{AbstractUpdateOperation.doPutOrCreate}} method to 1. prevent subsequent calls to {{LocalRegion.virtualPut}} following a {{ConcurrentCacheModificationException}} from notifying the gateway sender, and 2. know whether or not the {{LocalRegion.virtualPut}} method failed specifically due to a {{ConcurrentCacheModificationException}}.
was:
When peer accessors do puts to a replicated region with a serial gateway sender via multiple threads and on the same key, {{ConcurrentCacheModificationException}} in {{LocalRegion.virtualPut}} causes {{notifyGatewaySender}} to be called, which puts the event into the queue, leading to the event being put in the queue twice but only removed once and causing the unprocessedTokensMap to accumulate events.
Here are the two stacks:
{noformat}
[warn 2019/12/02 12:47:59.102 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX LocalRegion.virtualPut caught ConcurrentCacheModificationException about to notifyGatewaySender eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=5;sequenceID=273]; ifNew=false; ifOld=true; overwriteDestroyed=false; eventIdentity=329453507; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163; payloadLength=0 bytes]
java.lang.Exception
at org.apache.geode.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5591)
at org.apache.geode.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:385)
at org.apache.geode.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:162)
at org.apache.geode.internal.cache.LocalRegion.basicUpdate(LocalRegion.java:5561)
at org.apache.geode.internal.cache.AbstractUpdateOperation.doPutOrCreate(AbstractUpdateOperation.java:182)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.basicOperateOnRegion(AbstractUpdateOperation.java:287)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.operateOnRegion(AbstractUpdateOperation.java:258)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.basicProcess(DistributedCacheOperation.java:1206)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.process(DistributedCacheOperation.java:1108)
at org.apache.geode.distributed.internal.DistributionMessage.scheduleAction(DistributionMessage.java:372)
at org.apache.geode.distributed.internal.DistributionMessage.schedule(DistributionMessage.java:427)
{noformat}
{noformat}
[warn 2019/12/02 12:47:59.108 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX LocalRegion.virtualPut caught ConcurrentCacheModificationException about to notifyGatewaySender eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=5;sequenceID=273]; ifNew=false; ifOld=false; overwriteDestroyed=true; eventIdentity=329453507; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163; payloadLength=0 bytes]
java.lang.Exception
at org.apache.geode.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5591)
at org.apache.geode.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:385)
at org.apache.geode.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:162)
at org.apache.geode.internal.cache.LocalRegion.basicUpdate(LocalRegion.java:5561)
at org.apache.geode.internal.cache.AbstractUpdateOperation.doPutOrCreate(AbstractUpdateOperation.java:194)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.basicOperateOnRegion(AbstractUpdateOperation.java:287)
at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.operateOnRegion(AbstractUpdateOperation.java:258)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.basicProcess(DistributedCacheOperation.java:1206)
at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.process(DistributedCacheOperation.java:1108)
{noformat}
Here are the corresponding puts into the queue:
{noformat}
[warn 2019/12/02 12:47:59.104 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX SerialGatewaySenderQueue.putAndGetKey key=3625; eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163.08897399902344; payloadLength=0 bytes]
{noformat}
{noformat}
[warn 2019/12/02 12:47:59.110 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX SerialGatewaySenderQueue.putAndGetKey key=3635; eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163.08897399902344; payloadLength=0 bytes]
{noformat}
On the secondary, when the event is received via normal replication, its added to the unprocessedEvents map:
{noformat}
[warn 2019/12/02 12:47:59.100 PST <P2P message reader for 10.255.202.119(accessor-ln-1:85194)<v98>:41005 unshared ordered uid=13 dom #1 port=59022> tid=0x58] SerialGatewaySenderEventProcessor.basicHandleSecondaryEvent put unprocessedEvents eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
{noformat}
The first replication from the primary queue is received which removes the event from the unprocessedEvents map:
{noformat}
[warn 2019/12/02 12:47:59.104 PST <P2P message reader for 10.255.202.119(gateway-ln-1:85170)<v96>:41003 unshared ordered uid=18 dom #3 port=59052> tid=0x68] XXX SerialSecondaryGatewayListener.afterCreate senderEvent=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
[warn 2019/12/02 12:47:59.104 PST <Queued Gateway Listener Thread1> tid=0x5e] SerialGatewaySenderEventProcessor.basicHandlePrimaryEvent removed unprocessedEvents eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; value=org.apache.geode.internal.cache.wan.AbstractGatewaySender$EventWrapper@3f6df03b
{noformat}
Then the second replication from the primary queue is received which incorrectly adds the event to the unprocessedTokens map where is stays forever:
{noformat}
[warn 2019/12/02 12:47:59.110 PST <P2P message reader for 10.255.202.119(gateway-ln-1:85170)<v96>:41003 unshared ordered uid=18 dom #3 port=59052> tid=0x68] XXX SerialSecondaryGatewayListener.afterCreate senderEvent=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
[warn 2019/12/02 12:47:59.110 PST <Queued Gateway Listener Thread1> tid=0x5e] SerialGatewaySenderEventProcessor.basicHandlePrimaryEvent put unprocessedTokens eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; value=1575319799110; size=914
{noformat}
> Gateway unprocessedTokensMap appears to grow without bounds with replicated regions and peer accessors
> ------------------------------------------------------------------------------------------------------
>
> Key: GEODE-7643
> URL: https://issues.apache.org/jira/browse/GEODE-7643
> Project: Geode
> Issue Type: Bug
> Components: wan
> Reporter: Donal Evans
> Assignee: Donal Evans
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> When peer accessors do puts to a replicated region with a serial gateway sender via multiple threads and on the same key, {{ConcurrentCacheModificationException}} in {{LocalRegion.virtualPut}} causes {{notifyGatewaySender}} to be called, which puts the event into the queue. Since the {{AbstractUpdateOperation.doPutOrCreate}} method can potentially call {{LocalRegion.virtualPut}} three times and encounter a {{ConcurrentCacheModificationException}} each time, this can lead to the event being put in the queue twice but only removed once and causing the unprocessedTokensMap to accumulate events.
> Here are the two stacks:
> {noformat}
> [warn 2019/12/02 12:47:59.102 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX LocalRegion.virtualPut caught ConcurrentCacheModificationException about to notifyGatewaySender eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=5;sequenceID=273]; ifNew=false; ifOld=true; overwriteDestroyed=false; eventIdentity=329453507; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163; payloadLength=0 bytes]
> java.lang.Exception
> at org.apache.geode.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5591)
> at org.apache.geode.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:385)
> at org.apache.geode.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:162)
> at org.apache.geode.internal.cache.LocalRegion.basicUpdate(LocalRegion.java:5561)
> at org.apache.geode.internal.cache.AbstractUpdateOperation.doPutOrCreate(AbstractUpdateOperation.java:182)
> at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.basicOperateOnRegion(AbstractUpdateOperation.java:287)
> at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.operateOnRegion(AbstractUpdateOperation.java:258)
> at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.basicProcess(DistributedCacheOperation.java:1206)
> at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.process(DistributedCacheOperation.java:1108)
> at org.apache.geode.distributed.internal.DistributionMessage.scheduleAction(DistributionMessage.java:372)
> at org.apache.geode.distributed.internal.DistributionMessage.schedule(DistributionMessage.java:427)
> {noformat}
> {noformat}
> [warn 2019/12/02 12:47:59.108 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX LocalRegion.virtualPut caught ConcurrentCacheModificationException about to notifyGatewaySender eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=5;sequenceID=273]; ifNew=false; ifOld=false; overwriteDestroyed=true; eventIdentity=329453507; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163; payloadLength=0 bytes]
> java.lang.Exception
> at org.apache.geode.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5591)
> at org.apache.geode.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:385)
> at org.apache.geode.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:162)
> at org.apache.geode.internal.cache.LocalRegion.basicUpdate(LocalRegion.java:5561)
> at org.apache.geode.internal.cache.AbstractUpdateOperation.doPutOrCreate(AbstractUpdateOperation.java:194)
> at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.basicOperateOnRegion(AbstractUpdateOperation.java:287)
> at org.apache.geode.internal.cache.AbstractUpdateOperation$AbstractUpdateMessage.operateOnRegion(AbstractUpdateOperation.java:258)
> at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.basicProcess(DistributedCacheOperation.java:1206)
> at org.apache.geode.internal.cache.DistributedCacheOperation$CacheOperationMessage.process(DistributedCacheOperation.java:1108)
> {noformat}
> Here are the corresponding puts into the queue:
> {noformat}
> [warn 2019/12/02 12:47:59.104 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX SerialGatewaySenderQueue.putAndGetKey key=3625; eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163.08897399902344; payloadLength=0 bytes]
> {noformat}
> {noformat}
> [warn 2019/12/02 12:47:59.110 PST <P2P message reader for 10.255.202.119(gateway-ln-2:85182)<v97>:41004 unshared ordered uid=11 dom #2 port=59034> tid=0x61] XXX SerialGatewaySenderQueue.putAndGetKey key=3635; eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; eventValue=Trade[id=-1501795011; cusip=PVTL; shares=29; price=163.08897399902344; payloadLength=0 bytes]
> {noformat}
> On the secondary, when the event is received via normal replication, its added to the unprocessedEvents map:
> {noformat}
> [warn 2019/12/02 12:47:59.100 PST <P2P message reader for 10.255.202.119(accessor-ln-1:85194)<v98>:41005 unshared ordered uid=13 dom #1 port=59022> tid=0x58] SerialGatewaySenderEventProcessor.basicHandleSecondaryEvent put unprocessedEvents eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
> {noformat}
> The first replication from the primary queue is received which removes the event from the unprocessedEvents map:
> {noformat}
> [warn 2019/12/02 12:47:59.104 PST <P2P message reader for 10.255.202.119(gateway-ln-1:85170)<v96>:41003 unshared ordered uid=18 dom #3 port=59052> tid=0x68] XXX SerialSecondaryGatewayListener.afterCreate senderEvent=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
> [warn 2019/12/02 12:47:59.104 PST <Queued Gateway Listener Thread1> tid=0x5e] SerialGatewaySenderEventProcessor.basicHandlePrimaryEvent removed unprocessedEvents eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; value=org.apache.geode.internal.cache.wan.AbstractGatewaySender$EventWrapper@3f6df03b
> {noformat}
> Then the second replication from the primary queue is received which incorrectly adds the event to the unprocessedTokens map where is stays forever:
> {noformat}
> [warn 2019/12/02 12:47:59.110 PST <P2P message reader for 10.255.202.119(gateway-ln-1:85170)<v96>:41003 unshared ordered uid=18 dom #3 port=59052> tid=0x68] XXX SerialSecondaryGatewayListener.afterCreate senderEvent=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]
> [warn 2019/12/02 12:47:59.110 PST <Queued Gateway Listener Thread1> tid=0x5e] SerialGatewaySenderEventProcessor.basicHandlePrimaryEvent put unprocessedTokens eventId=EventID[10.255.202.119(accessor-ln-1)<v98>:41005;threadID=0x30002|5;sequenceID=273]; value=1575319799110; size=914 {noformat}
>
> The proposed solution to this issue is to add two boolean arguments to the {{LocalRegion.virtualPut}} method, one to control if a {{ConcurrentCacheModificationException}} should result in notifying the bridge clients and gateway senders, and another to control if any {{ConcurrentCacheModificationException}} encountered should be thrown or suppressed. These arguments allow the {{AbstractUpdateOperation.doPutOrCreate}} method to 1. prevent subsequent calls to {{LocalRegion.virtualPut}} following a {{ConcurrentCacheModificationException}} from notifying the gateway sender, and 2. know whether or not the {{LocalRegion.virtualPut}} method failed specifically due to a {{ConcurrentCacheModificationException}}.
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