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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>
    </build-info>


<item>
            <title>[OVSDB-302] CSIT southbound-all tests failing because hwvtep and southbound are both enabled</title>
                <link>https://jira.opendaylight.org/browse/OVSDB-302</link>
                <project id="10158" key="OVSDB">ovsdb</project>
                    <description>&lt;p&gt;The below exception comes out during the southbound-all tests. Code was added to allow both the southbound and hwvtepsouthbound to be running at the same time. Each southbound would ignore schemas it did not care about, but the hwvtep is complaining about the open_vswtich schema - which is shouldn&apos;t.&lt;/p&gt;


&lt;p&gt;2016-02-16 17:44:47,126 | WARN  | pool-30-thread-1 | HwvtepConnectionInstance         | 406 - org.opendaylight.ovsdb.hwvtepsouthbound-impl - 1.2.1.Beryllium | Exception attempting to createTransactionInvokers ConnectionInfo [_localIp=IpAddress [_ipv4Address=Ipv4Address &lt;span class=&quot;error&quot;&gt;&amp;#91;_value=10.30.11.166&amp;#93;&lt;/span&gt;, _value=&lt;span class=&quot;error&quot;&gt;&amp;#91;1, 0, ., 3, 0, ., 1, 1, ., 1, 6, 6&amp;#93;&lt;/span&gt;], _localPort=PortNumber &lt;span class=&quot;error&quot;&gt;&amp;#91;_value=6640&amp;#93;&lt;/span&gt;, _remoteIp=IpAddress [_ipv4Address=Ipv4Address &lt;span class=&quot;error&quot;&gt;&amp;#91;_value=10.30.11.8&amp;#93;&lt;/span&gt;, _value=&lt;span class=&quot;error&quot;&gt;&amp;#91;1, 0, ., 3, 0, ., 1, 1, ., 8&amp;#93;&lt;/span&gt;], _remotePort=PortNumber &lt;span class=&quot;error&quot;&gt;&amp;#91;_value=55870&amp;#93;&lt;/span&gt;, augmentation=[]]: java.util.concurrent.ExecutionException: org.opendaylight.ovsdb.lib.error.ParsingException: bad DatabaseSchema root, expected &quot;tables&quot; as child but was not found&lt;br/&gt;
2016-02-16 17:44:47,128 | WARN  | pool-30-thread-1 | HwvtepConnectionManager          | 406 - org.opendaylight.ovsdb.hwvtepsouthbound-impl - 1.2.1.Beryllium | Not able to fetch schema for database hardware_vtep from device ConnectionInfo &lt;span class=&quot;error&quot;&gt;&amp;#91;Remote-address=10.30.11.8, Remote-port=55870, Local-address10.30.11.166, Local-port=6640, type=PASSIVE&amp;#93;&lt;/span&gt;&lt;br/&gt;
java.util.concurrent.ExecutionException: org.opendaylight.ovsdb.lib.error.ParsingException: bad DatabaseSchema root, expected &quot;tables&quot; as child but was not found&lt;br/&gt;
	at com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:299)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:286)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionManager.getHwvtepGlobalTableEntry(HwvtepConnectionManager.java:287)&lt;span class=&quot;error&quot;&gt;&amp;#91;406:org.opendaylight.ovsdb.hwvtepsouthbound-impl:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionManager.getEntityFromConnectionInstance(HwvtepConnectionManager.java:325)&lt;span class=&quot;error&quot;&gt;&amp;#91;406:org.opendaylight.ovsdb.hwvtepsouthbound-impl:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionManager.registerEntityForOwnership(HwvtepConnectionManager.java:251)&lt;span class=&quot;error&quot;&gt;&amp;#91;406:org.opendaylight.ovsdb.hwvtepsouthbound-impl:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionManager.connected(HwvtepConnectionManager.java:100)&lt;span class=&quot;error&quot;&gt;&amp;#91;406:org.opendaylight.ovsdb.hwvtepsouthbound-impl:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService$5.run(OvsdbConnectionService.java:375)&lt;span class=&quot;error&quot;&gt;&amp;#91;141:org.opendaylight.ovsdb.library:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_85&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_85&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_85&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_85&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_85&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_85&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.lang.Thread.run(Thread.java:745)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_85&amp;#93;&lt;/span&gt;&lt;br/&gt;
Caused by: org.opendaylight.ovsdb.lib.error.ParsingException: bad DatabaseSchema root, expected &quot;tables&quot; as child but was not found&lt;br/&gt;
	at org.opendaylight.ovsdb.lib.schema.DatabaseSchema.fromJson(DatabaseSchema.java:87)&lt;span class=&quot;error&quot;&gt;&amp;#91;141:org.opendaylight.ovsdb.library:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.lib.impl.OvsdbClientImpl$8.apply(OvsdbClientImpl.java:328)&lt;span class=&quot;error&quot;&gt;&amp;#91;141:org.opendaylight.ovsdb.library:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.lib.impl.OvsdbClientImpl$8.apply(OvsdbClientImpl.java:324)&lt;span class=&quot;error&quot;&gt;&amp;#91;141:org.opendaylight.ovsdb.library:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.Futures$2.apply(Futures.java:760)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.Futures$ChainingListenableFuture.run(Futures.java:906)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:457)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.ExecutionList.executeListener(ExecutionList.java:156)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:145)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:185)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.SettableFuture.set(SettableFuture.java:53)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.lib.jsonrpc.JsonRpcEndpoint.processResult(JsonRpcEndpoint.java:144)&lt;span class=&quot;error&quot;&gt;&amp;#91;141:org.opendaylight.ovsdb.library:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.lib.jsonrpc.JsonRpcServiceBinderHandler.channelRead(JsonRpcServiceBinderHandler.java:43)&lt;span class=&quot;error&quot;&gt;&amp;#91;141:org.opendaylight.ovsdb.library:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:276)&lt;span class=&quot;error&quot;&gt;&amp;#91;100:io.netty.codec:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:263)&lt;span class=&quot;error&quot;&gt;&amp;#91;100:io.netty.codec:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at &lt;/p&gt;


&lt;p&gt;io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)&lt;span class=&quot;error&quot;&gt;&amp;#91;99:io.netty.transport:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)&lt;span class=&quot;error&quot;&gt;&amp;#91;98:io.netty.common:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)&lt;span class=&quot;error&quot;&gt;&amp;#91;98:io.netty.common:4.0.33.Final&amp;#93;&lt;/span&gt;&lt;br/&gt;
	... 1 more&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: All&lt;br/&gt;
Platform: All&lt;/p&gt;</environment>
        <key id="21994">OVSDB-302</key>
            <summary>CSIT southbound-all tests failing because hwvtep and southbound are both enabled</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="thapar">Vishal Thapar</assignee>
                                    <reporter username="shague">Sam Hague</reporter>
                        <labels>
                    </labels>
                <created>Tue, 16 Feb 2016 21:30:27 +0000</created>
                <updated>Mon, 30 Oct 2017 19:52:45 +0000</updated>
                            <resolved>Fri, 4 Mar 2016 04:51:55 +0000</resolved>
                                    <version>unspecified</version>
                                                    <component>Southbound.hw_vtep</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="41324" author="shague@redhat.com" created="Tue, 16 Feb 2016 21:34:48 +0000"  >&lt;p&gt;Attachment karaf.log has been added with description: karaf.log&lt;/p&gt;</comment>
                            <comment id="41318" author="shague@redhat.com" created="Tue, 16 Feb 2016 21:35:02 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jenkins.opendaylight.org/releng/job/ovsdb-csit-1node-southbound-all-beryllium/802/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://jenkins.opendaylight.org/releng/job/ovsdb-csit-1node-southbound-all-beryllium/802/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="41319" author="thapar" created="Thu, 18 Feb 2016 14:18:05 +0000"  >&lt;p&gt;This exception is being logged from code that tries to register txInvokers. It tries to get hwvtep schema and if not found logs this warning msg. Code can be improved to not require stack trace when hwvtep schema is not present. I believe similar fix will be needed in OvsdbConnectionManager too as this will happen in cases where both are enabled but hwvtep is the only schema available.&lt;/p&gt;

&lt;p&gt;I&apos;ll come up with a fix for this and then can discuss it in the gerrit patch.&lt;/p&gt;</comment>
                            <comment id="41320" author="thapar" created="Thu, 18 Feb 2016 16:14:38 +0000"  >&lt;p&gt;Rview: &lt;a href=&quot;https://git.opendaylight.org/gerrit/#/c/34913/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/#/c/34913/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="41321" author="thapar" created="Fri, 26 Feb 2016 15:29:31 +0000"  >&lt;p&gt;Alright, looks like we need to revisit this as fix is not working as expected. &lt;/p&gt;

&lt;p&gt;First, let us talk about the problem seen in original bug. This is the code that we have in OVSDB/HWvtep ConnectionManager for passive connections &lt;span class=&quot;error&quot;&gt;&amp;#91;note: issue is only with passive connections, only change added in fix was the if statement&amp;#93;&lt;/span&gt;.&lt;/p&gt;

&lt;p&gt;       if(externalClient.getSchema(SouthboundConstants.OPEN_V_SWITCH) != null) &lt;/p&gt;
{
            OvsdbConnectionInstance client = connectedButCallBacksNotRegistered(externalClient);
            // Register Cluster Ownership for ConnectionInfo
            registerEntityForOwnership(client);
        }

&lt;p&gt;Looking at these trace entries:&lt;br/&gt;
&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116)&lt;span class=&quot;error&quot;&gt;&amp;#91;39:com.google.guava:18.0.0&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionManager.getHwvtepGlobalTableEntry(HwvtepConnectionManager.java:287)&lt;span class=&quot;error&quot;&gt;&amp;#91;406:org.opendaylight.ovsdb.hwvtepsouthbound-impl:1.2.1.Beryllium&amp;#93;&lt;/span&gt;&lt;/p&gt;


&lt;p&gt;The exception is happening at client.getSchema(&quot;hardware_vtep&quot;), exactly the sort of code we added in if condition. Funny thing is, if you look further down stack trace it is coming from registerEntityForOwnership() while exact same call &lt;span class=&quot;error&quot;&gt;&amp;#91;getSchema&amp;#93;&lt;/span&gt; is also present in connectedButCallBacksNotRegistered(). So why didn&apos;t we run into it earlier?&lt;/p&gt;


&lt;p&gt;Secondly, the issue seen post fix is this:&lt;br/&gt;
1. Have both plugins running.&lt;br/&gt;
2. Connect an OVS and HWVTEP node to controller &lt;span class=&quot;error&quot;&gt;&amp;#91;passive connection&amp;#93;&lt;/span&gt;.&lt;br/&gt;
3. First one will go through fine.&lt;br/&gt;
4. Second one will connect, but nothing will show up in topology. In fact OvsdbConnectionService will not even call connected() for second one.&lt;/p&gt;

&lt;p&gt;Basically, even attempting to get non-existent schema from a node screws up ConnectionService. Looks like that thread just abandons ship and disappears.&lt;/p&gt;


&lt;p&gt;Thirdly, I add try catch around the if statements and changed it to externalClient.getSchema(SouthboundConstants.OPEN_V_SWITCH).get()  When I do this I don&apos;t even hit the catch. &lt;/p&gt;

&lt;p&gt;I am not familiar with how library code works with all the ListenableFutures, but one way could be to get the schemas/dbs present on device at connect itself and once we get that only then call the listeners. This way when conenctionManager.connected() is called we don&apos;t need to fetch DB/schema from the device.&lt;/p&gt;</comment>
                            <comment id="41322" author="thapar" created="Fri, 26 Feb 2016 16:53:55 +0000"  >&lt;p&gt;This patch &lt;a href=&quot;https://git.opendaylight.org/gerrit/#/c/35478/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/#/c/35478/&lt;/a&gt; seems to work fine. Could anyone explain why this works and previous one didn&apos;t?&lt;/p&gt;</comment>
                            <comment id="41323" author="thapar" created="Fri, 4 Mar 2016 04:51:55 +0000"  >&lt;p&gt;Fixed by &lt;a href=&quot;https://git.opendaylight.org/gerrit/35478&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/35478&lt;/a&gt; and verified.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="12867" name="karaf.log" size="586238" author="shague" created="Tue, 16 Feb 2016 21:34:48 +0000"/>
                    </attachments>
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