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    <title>OpenDaylight JIRA</title>
    <link>https://jira.opendaylight.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
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<item>
            <title>[OVSDB-387] ConflictingModificationAppliedException: Node was created by other transaction</title>
                <link>https://jira.opendaylight.org/browse/OVSDB-387</link>
                <project id="10158" key="OVSDB">ovsdb</project>
                    <description>&lt;p&gt;2016-12-14 13:27:35,741 | INFO  | ult-dispatcher-5 | OvsdbConnectionService           | 247 - org.opendaylight.ovsdb.library - 1.3.2.SNAPSHOT | startOvsdbManager: Starting&lt;br/&gt;
2016-12-14 13:27:35,769 | INFO  | ult-dispatcher-6 | OvsdbConnectionService           | 247 - org.opendaylight.ovsdb.library - 1.3.2.SNAPSHOT | registerConnectionListener: registering OvsdbConnectionManager&lt;br/&gt;
2016-12-14 13:27:35,969 | WARN  | lt-dispatcher-21 | ShardDataTree                    | 176 - org.opendaylight.controller.sal-distributed-datastore - 1.4.2.SNAPSHOT | member-1-shard-topology-config: Store Tx member-1-datastore-config-fe-0-txn-3: Conflicting modification for path /(urn:TBD:params:xml:ns:yang:network-topology?revision=2013-10-21)network-topology.&lt;br/&gt;
2016-12-14 13:27:35,972 | ERROR | ult-dispatcher-6 | LocalThreePhaseCommitCohort      | 176 - org.opendaylight.controller.sal-distributed-datastore - 1.4.2.SNAPSHOT | Failed to prepare transaction member-1-datastore-config-fe-0-txn-3 on backend&lt;br/&gt;
OptimisticLockFailedException&lt;/p&gt;
{message=Optimistic lock failed., errorList=[RpcError [message=Optimistic lock failed., severity=ERROR, errorType=APPLICATION, tag=resource-denied, applicationTag=null, info=null, cause=org.opendaylight.yangtools.yang.data.api.schema.tree.ConflictingModificationAppliedException: Node was created by other transaction.]]}
&lt;p&gt;	at org.opendaylight.controller.cluster.datastore.ShardDataTree.processNextTransaction(ShardDataTree.java:532)&lt;span class=&quot;error&quot;&gt;&amp;#91;176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardDataTree.finishCommit(ShardDataTree.java:623)&lt;span class=&quot;error&quot;&gt;&amp;#91;176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardDataTree.payloadReplicationComplete(ShardDataTree.java:358)&lt;span class=&quot;error&quot;&gt;&amp;#91;176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardDataTree.applyReplicatedPayload(ShardDataTree.java:338)&lt;span class=&quot;error&quot;&gt;&amp;#91;176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.Shard.applyState(Shard.java:571)&lt;span class=&quot;error&quot;&gt;&amp;#91;176:org.opendaylight.controller.sal-distributed-datastore:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.raft.RaftActor.handleCommand(RaftActor.java:240)&lt;span class=&quot;error&quot;&gt;&amp;#91;171:org.opendaylight.controller.sal-akka-raft:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor.onReceiveCommand(AbstractUntypedPersistentActor.java:29)&lt;span class=&quot;error&quot;&gt;&amp;#91;170:org.opendaylight.controller.sal-clustering-commons:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.persistence.UntypedPersistentActor.onReceive(PersistentActor.scala:170)&lt;span class=&quot;error&quot;&gt;&amp;#91;164:com.typesafe.akka.persistence:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.common.actor.MeteringBehavior.apply(MeteringBehavior.java:97)&lt;span class=&quot;error&quot;&gt;&amp;#91;170:org.opendaylight.controller.sal-clustering-commons:1.4.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:544)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.Actor$class.aroundReceive(Actor.scala:484)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.persistence.UntypedPersistentActor.akka$persistence$Eventsourced$$super$aroundReceive(PersistentActor.scala:168)&lt;span class=&quot;error&quot;&gt;&amp;#91;164:com.typesafe.akka.persistence:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.persistence.Eventsourced$$anon$1.stateReceive(Eventsourced.scala:633)&lt;span class=&quot;error&quot;&gt;&amp;#91;164:com.typesafe.akka.persistence:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.persistence.Eventsourced$class.aroundReceive(Eventsourced.scala:179)&lt;span class=&quot;error&quot;&gt;&amp;#91;164:com.typesafe.akka.persistence:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.persistence.UntypedPersistentActor.aroundReceive(PersistentActor.scala:168)&lt;span class=&quot;error&quot;&gt;&amp;#91;164:com.typesafe.akka.persistence:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell.invoke(ActorCell.scala:495)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.run(Mailbox.scala:224)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.exec(Mailbox.scala:234)&lt;span class=&quot;error&quot;&gt;&amp;#91;158:com.typesafe.akka.actor:2.4.7&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)&lt;span class=&quot;error&quot;&gt;&amp;#91;154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)&lt;span class=&quot;error&quot;&gt;&amp;#91;154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)&lt;span class=&quot;error&quot;&gt;&amp;#91;154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)&lt;span class=&quot;error&quot;&gt;&amp;#91;154:org.scala-lang.scala-library:2.11.8.v20160304-115712-1706a37eb8&amp;#93;&lt;/span&gt;&lt;br/&gt;
Caused by: org.opendaylight.yangtools.yang.data.api.schema.tree.ConflictingModificationAppliedException: Node was created by other transaction.&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.checkWriteApplicable(SchemaAwareApplyOperation.java:174)&lt;span class=&quot;error&quot;&gt;&amp;#91;80:org.opendaylight.yangtools.yang-data-impl:1.0.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:128)&lt;span class=&quot;error&quot;&gt;&amp;#91;80:org.opendaylight.yangtools.yang-data-impl:1.0.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.StructuralContainerModificationStrategy.checkApplicable(StructuralContainerModificationStrategy.java:99)&lt;span class=&quot;error&quot;&gt;&amp;#91;80:org.opendaylight.yangtools.yang-data-impl:1.0.2.SNAPSHOT&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.o&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: All&lt;br/&gt;
Platform: All&lt;/p&gt;</environment>
        <key id="22079">OVSDB-387</key>
            <summary>ConflictingModificationAppliedException: Node was created by other transaction</summary>
                <type id="10104" iconUrl="https://jira.opendaylight.org/secure/viewavatar?size=xsmall&amp;avatarId=10303&amp;avatarType=issuetype">Bug</type>
                                                <status id="5" iconUrl="https://jira.opendaylight.org/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="green"/>
                                    <resolution id="10000">Done</resolution>
                                        <assignee username="Avishnoi">Anil Vishnoi</assignee>
                                    <reporter username="shague">Sam Hague</reporter>
                        <labels>
                    </labels>
                <created>Wed, 14 Dec 2016 21:46:39 +0000</created>
                <updated>Thu, 2 Feb 2017 21:58:50 +0000</updated>
                            <resolved>Thu, 2 Feb 2017 21:58:50 +0000</resolved>
                                    <version>unspecified</version>
                                                    <component>Southbound.Open_vSwitch</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="41597" author="shague@redhat.com" created="Wed, 14 Dec 2016 21:46:39 +0000"  >&lt;p&gt;Attachment odl1_karaf.tar.xz has been added with description: karaf.log&lt;/p&gt;</comment>
                            <comment id="41594" author="vishnoianil@gmail.com" created="Wed, 14 Dec 2016 22:25:12 +0000"  >&lt;p&gt;sam, do you see this issue when both ovsdb southbound plugin and hardware vtep plugin both are loaded together? or you see this issue with just ovsdb southbound plugin as well?&lt;/p&gt;</comment>
                            <comment id="41595" author="vishnoianil@gmail.com" created="Thu, 15 Dec 2016 01:56:30 +0000"  >&lt;p&gt;stable/boron:&lt;a href=&quot;https://git.opendaylight.org/gerrit/49398&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/49398&lt;/a&gt;&lt;br/&gt;
master : &lt;a href=&quot;https://git.opendaylight.org/gerrit/49399&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/49399&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="41596" author="vishnoianil@gmail.com" created="Thu, 15 Dec 2016 01:56:45 +0000"  >&lt;p&gt;Ovsdb/Hwvtep plugin creates respective topology under network-topology/topology&lt;br/&gt;
and also they make a check if the parent node (network-topology) exist or not.&lt;br/&gt;
If not they create the root node. In a scenario where user loads both the&lt;br/&gt;
plugin together, their is a possibility that both the plugin can try to&lt;br/&gt;
create the network-topology as the same time and one of them will end up&lt;br/&gt;
with ConflictingModificationAppliedException. To resolve this scenario&lt;br/&gt;
this patch avoid the explcit create of the parent node, and uses the md-sal&lt;br/&gt;
PUT api that creates the missing parents. Although it&apos;s slow compared to&lt;br/&gt;
the other version of PUT api, but given that it&apos;s one time operation&lt;br/&gt;
at warm up time, it of not much concern.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="12916" name="odl1_karaf.tar.xz" size="445380" author="shague" created="Wed, 14 Dec 2016 21:46:39 +0000"/>
                    </attachments>
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