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    <title>OpenDaylight JIRA</title>
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    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
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<item>
            <title>[CONTROLLER-705] Clustering : Exception when reading data - Metadata not available for modification</title>
                <link>https://jira.opendaylight.org/browse/CONTROLLER-705</link>
                <project id="10113" key="CONTROLLER">controller</project>
                    <description>&lt;p&gt;2014-08-19 05:08:01.238 PDT &lt;span class=&quot;error&quot;&gt;&amp;#91;opendaylight-cluster-data-akka.actor.default-dispatcher-17&amp;#93;&lt;/span&gt; ERROR o.o.y.y.d.i.s.t.InMemoryDataTreeModification  - Could not create snapshot for (urn:opendaylight:inventory?revision=2013-08-19)nodes/(urn:opendaylight:inventory?revision=2013-08-19)node/(urn:opendaylight:inventory?revision=2013-08-19)node[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1}
&lt;p&gt;]:NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1}
&lt;p&gt;], modificationType=SUBTREE_MODIFIED, childModification={(urn:opendaylight:inventory?revision=2013-08-19)node-connector=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector, modificationType=MERGE, childModification={(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:2}
&lt;p&gt;]=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:2}
&lt;p&gt;], modificationType=WRITE, childModification={}], (urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:LOCAL}
&lt;p&gt;]=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:LOCAL}
&lt;p&gt;], modificationType=WRITE, childModification={}]}]}]&lt;br/&gt;
java.lang.IllegalArgumentException: Metadata not available for modification [NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1}
&lt;p&gt;], modificationType=SUBTREE_MODIFIED, childModification={(urn:opendaylight:inventory?revision=2013-08-19)node-connector=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector, modificationType=MERGE, childModification={(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:2}
&lt;p&gt;]=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:2}
&lt;p&gt;], modificationType=WRITE, childModification={}], (urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:LOCAL}
&lt;p&gt;]=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:LOCAL}
&lt;p&gt;], modificationType=WRITE, childModification={}]}]}]]&lt;br/&gt;
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:119) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.apply(SchemaAwareApplyOperation.java:186) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeModification.resolveSnapshot(InMemoryDataTreeModification.java:110) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeModification.readNode(InMemoryDataTreeModification.java:93) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.md.sal.dom.store.impl.SnapshotBackedReadWriteTransaction.read(SnapshotBackedReadWriteTransaction.java:58) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardTransaction.readData(ShardTransaction.java:188) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardReadWriteTransaction.handleReceive(ShardReadWriteTransaction.java:50) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.AbstractUntypedActor.onReceive(AbstractUntypedActor.java:31) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.Actor$class.aroundReceive(Actor.scala:465) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell.invoke(ActorCell.scala:487) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.run(Mailbox.scala:220) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:262) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:975) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1478) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
2014-08-19 05:08:01.240 PDT &lt;span class=&quot;error&quot;&gt;&amp;#91;opendaylight-cluster-data-akka.actor.default-dispatcher-17&amp;#93;&lt;/span&gt; ERROR o.o.c.m.s.d.s.i.SnapshotBackedReadWriteTransaction  - Tx: member-1-shard-inventory-operational-8 Failed Read of (urn:opendaylight:inventory?revision=2013-08-19)nodes/(urn:opendaylight:inventory?revision=2013-08-19)node/(urn:opendaylight:inventory?revision=2013-08-19)node[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1}
&lt;p&gt;]/AugmentationIdentifier&lt;/p&gt;
{childNames=[(urn:opendaylight:flow:inventory?revision=2013-08-19)table, (urn:opendaylight:flow:inventory?revision=2013-08-19)meter, (urn:opendaylight:flow:inventory?revision=2013-08-19)supported-instructions, (urn:opendaylight:flow:inventory?revision=2013-08-19)switch-features, (urn:opendaylight:flow:inventory?revision=2013-08-19)group, (urn:opendaylight:flow:inventory?revision=2013-08-19)manufacturer, (urn:opendaylight:flow:inventory?revision=2013-08-19)hardware, (urn:opendaylight:flow:inventory?revision=2013-08-19)software, (urn:opendaylight:flow:inventory?revision=2013-08-19)supported-actions, (urn:opendaylight:flow:inventory?revision=2013-08-19)supported-match-types, (urn:opendaylight:flow:inventory?revision=2013-08-19)description, (urn:opendaylight:flow:inventory?revision=2013-08-19)serial-number]}
&lt;p&gt;java.lang.IllegalArgumentException: Metadata not available for modification [NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1}
&lt;p&gt;], modificationType=SUBTREE_MODIFIED, childModification={(urn:opendaylight:inventory?revision=2013-08-19)node-connector=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector, modificationType=MERGE, childModification={(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:2}
&lt;p&gt;]=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:2}
&lt;p&gt;], modificationType=WRITE, childModification={}], (urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:LOCAL}
&lt;p&gt;]=NodeModification [identifier=(urn:opendaylight:inventory?revision=2013-08-19)node-connector[&lt;/p&gt;
{(urn:opendaylight:inventory?revision=2013-08-19)id=openflow:1:LOCAL}
&lt;p&gt;], modificationType=WRITE, childModification={}]}]}]]&lt;br/&gt;
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:119) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.apply(SchemaAwareApplyOperation.java:186) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;na:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeModification.resolveSnapshot(InMemoryDataTreeModification.java:110) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;na:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeModification.readNode(InMemoryDataTreeModification.java:93) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;na:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.md.sal.dom.store.impl.SnapshotBackedReadWriteTransaction.read(SnapshotBackedReadWriteTransaction.java:58) ~&lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardTransaction.readData(ShardTransaction.java:188) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.ShardReadWriteTransaction.handleReceive(ShardReadWriteTransaction.java:50) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.controller.cluster.datastore.AbstractUntypedActor.onReceive(AbstractUntypedActor.java:31) &lt;span class=&quot;error&quot;&gt;&amp;#91;bundlefile:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:167) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.Actor$class.aroundReceive(Actor.scala:465) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:97) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.actor.ActorCell.invoke(ActorCell.scala:487) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.Mailbox.run(Mailbox.scala:220) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) &lt;span class=&quot;error&quot;&gt;&amp;#91;akka-actor_2.10-2.3.4.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:262) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:975) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1478) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104) &lt;span class=&quot;error&quot;&gt;&amp;#91;scala-library-2.10.1.jar:na&amp;#93;&lt;/span&gt;&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: Mac OS&lt;br/&gt;
Platform: PC&lt;/p&gt;</environment>
        <key id="25259">CONTROLLER-705</key>
            <summary>Clustering : Exception when reading data - Metadata not available for modification</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="10003">Cannot Reproduce</resolution>
                                        <assignee username="moraja@cisco.com">Moiz Raja</assignee>
                                    <reporter username="moraja@cisco.com">Moiz Raja</reporter>
                        <labels>
                    </labels>
                <created>Tue, 19 Aug 2014 12:14:10 +0000</created>
                <updated>Fri, 12 Sep 2014 12:52:05 +0000</updated>
                            <resolved>Fri, 12 Sep 2014 12:52:05 +0000</resolved>
                                    <version>Helium</version>
                                                    <component>mdsal</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="48899" author="moraja@cisco.com" created="Tue, 19 Aug 2014 12:15:09 +0000"  >&lt;p&gt;This issue can be reproduced by simply creating a simple topology with mininet&lt;/p&gt;</comment>
                            <comment id="48900" author="tony.tkacik@gmail.com" created="Thu, 21 Aug 2014 07:53:11 +0000"  >&lt;p&gt;This is following&lt;br/&gt;
initial state of datastore is only:&lt;/p&gt;

&lt;p&gt;nodes {&lt;/p&gt;

&lt;p&gt;}&lt;/p&gt;

&lt;p&gt;tx = newReadWriteTransaction()&lt;br/&gt;
tx.put(&quot;nodes/node&lt;span class=&quot;error&quot;&gt;&amp;#91;foo&amp;#93;&lt;/span&gt;/node-connector&quot;, data) // Without create parents&lt;br/&gt;
tx.read(&quot;nodes/node&lt;span class=&quot;error&quot;&gt;&amp;#91;foo&amp;#93;&lt;/span&gt;/&quot;); // read from same transaction.&lt;/p&gt;</comment>
                            <comment id="48901" author="moraja@cisco.com" created="Fri, 12 Sep 2014 01:20:00 +0000"  >&lt;p&gt;This does not appear to be a datastore issue then&lt;/p&gt;</comment>
                            <comment id="48902" author="moraja@cisco.com" created="Fri, 12 Sep 2014 12:52:05 +0000"  >&lt;p&gt;This cannot be reproduced now. Was most likely an issue with applications that appears to be fixed.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                    </attachments>
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