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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>
        <version>8.20.10</version>
        <build-number>820010</build-number>
        <build-date>22-06-2022</build-date>
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<item>
            <title>[CONTROLLER-1126] Websocket notifications: No notification received when data are removed</title>
                <link>https://jira.opendaylight.org/browse/CONTROLLER-1126</link>
                <project id="10113" key="CONTROLLER">controller</project>
                    <description>&lt;p&gt;Tested data change notifications (via websockets, pcep-topology) - subscribed on network-topology&lt;/p&gt;

&lt;p&gt;&amp;lt;input xmlns=&quot;urn:opendaylight:params:xml:ns:yang:controller:md:sal:remote&quot;&amp;gt;&lt;br/&gt;
  &amp;lt;path xmlns:a=&quot;urn:TBD:params:xml:ns:yang:network-topology&quot;&amp;gt;/a:network-topology&amp;lt;/path&amp;gt;&lt;br/&gt;
  &amp;lt;datastore xmlns=&quot;urn:sal:restconf:event:subscription&quot;&amp;gt;OPERATIONAL&amp;lt;/datastore&amp;gt;&lt;br/&gt;
  &amp;lt;scope xmlns=&quot;urn:sal:restconf:event:subscription&quot;&amp;gt;SUBTREE&amp;lt;/scope&amp;gt;&lt;br/&gt;
&amp;lt;/input&amp;gt;&lt;/p&gt;

&lt;p&gt;When data were created (added node to topology - pcc-mock connected), notification was send &amp;amp; received on client side. However when data were deleted (topology node was removed, pcc-mock disconnected), no notification was received.&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: Linux&lt;br/&gt;
Platform: PC&lt;/p&gt;</environment>
        <key id="25680">CONTROLLER-1126</key>
            <summary>Websocket notifications: No notification received when data are removed</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="jhajnar@cisco.com">Jan Hajnar</assignee>
                                    <reporter username="milos.fabian@pantheon.tech">Milos Fabian</reporter>
                        <labels>
                    </labels>
                <created>Mon, 26 Jan 2015 15:32:07 +0000</created>
                <updated>Mon, 16 Mar 2015 09:03:51 +0000</updated>
                            <resolved>Mon, 16 Mar 2015 09:03:51 +0000</resolved>
                                    <version>Helium</version>
                                                    <component>restconf</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="50072" author="dkutenicsova" created="Fri, 6 Feb 2015 12:16:54 +0000"  >&lt;p&gt;ERROR | DOM-OPER-DCL-9   | QueuedNotificationManager        | 78 - org.opendaylight.yangtools.util - 0.6.4.Helium-SR2 | DataChangeListenerQueueMgr: Error notifying listener AbstractObjectRegistration&lt;/p&gt;
{instance=or
g.opendaylight.controller.sal.streams.listeners.ListenerAdapter@4bb7b162}
&lt;p&gt;java.lang.UnsupportedOperationException: Augmentation node has no QName&lt;br/&gt;
        at org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier$AugmentationIdentifier.getNodeType(YangInstanceIdentifier.java:632)&lt;span class=&quot;error&quot;&gt;&amp;#91;108:org.opendaylight.yangtools.yang-data-api:0.6.4.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.sal.streams.listeners.ListenerAdapter.addPathAsValueToElement(ListenerAdapter.java:437)&lt;span class=&quot;error&quot;&gt;&amp;#91;237:org.opendaylight.controller.sal-rest-connector:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.sal.streams.listeners.ListenerAdapter.createDataChangeEventElement(ListenerAdapter.java:372)&lt;span class=&quot;error&quot;&gt;&amp;#91;237:org.opendaylight.controller.sal-rest-connector:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.sal.streams.listeners.ListenerAdapter.addValuesFromDataToElement(ListenerAdapter.java:322)&lt;span class=&quot;error&quot;&gt;&amp;#91;237:org.opendaylight.controller.sal-rest-connector:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.sal.streams.listeners.ListenerAdapter.addValuesToDataChangedNotificationEventElement(ListenerAdapter.java:292)&lt;span class=&quot;error&quot;&gt;&amp;#91;237:org.opendaylight.controller.sal-rest-connector:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.sal.streams.listeners.ListenerAdapter.prepareXmlFrom(ListenerAdapter.java:233)&lt;span class=&quot;error&quot;&gt;&amp;#91;237:org.opendaylight.controller.sal-rest-connector:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.sal.streams.listeners.ListenerAdapter.onDataChanged(ListenerAdapter.java:104)&lt;span class=&quot;error&quot;&gt;&amp;#91;237:org.opendaylight.controller.sal-rest-connector:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore$1.invokeListener(InMemoryDOMDataStore.java:74)&lt;span class=&quot;error&quot;&gt;&amp;#91;171:org.opendaylight.controller.sal-inmemory-datastore:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore$1.invokeListener(InMemoryDOMDataStore.java:68)&lt;span class=&quot;error&quot;&gt;&amp;#91;171:org.opendaylight.controller.sal-inmemory-datastore:1.1.2.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager$NotificationTask.notifyListener(QueuedNotificationManager.java:411)&lt;span class=&quot;error&quot;&gt;&amp;#91;78:org.opendaylight.yangtools.util:0.6.4.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager$NotificationTask.run(QueuedNotificationManager.java:382)&lt;span class=&quot;error&quot;&gt;&amp;#91;78:org.opendaylight.yangtools.util:0.6.4.Helium-SR2&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_51&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_51&amp;#93;&lt;/span&gt;&lt;br/&gt;
        at java.lang.Thread.run(Thread.java:744)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_51&amp;#93;&lt;/span&gt;&lt;/p&gt;</comment>
                            <comment id="50073" author="jhajnar@cisco.com" created="Mon, 9 Feb 2015 13:56:38 +0000"  >&lt;p&gt;thanks for the log message. Problem seems to be caused by augmentations in data change event path. &lt;/p&gt;

&lt;p&gt;quick fix for helium:&lt;br/&gt;
&lt;a href=&quot;https://git.opendaylight.org/gerrit/#/c/15062/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/#/c/15062/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="50074" author="jhajnar@cisco.com" created="Thu, 5 Mar 2015 12:25:00 +0000"  >&lt;p&gt;this fix is also part of this commit for master:&lt;br/&gt;
&lt;a href=&quot;https://git.opendaylight.org/gerrit/#/c/15948/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/#/c/15948/&lt;/a&gt;&lt;/p&gt;</comment>
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