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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>[OPNFLWPLUG-66] Netty Decode Exception</title>
                <link>https://jira.opendaylight.org/browse/OPNFLWPLUG-66</link>
                <project id="10155" key="OPNFLWPLUG">OpenFlowPlugin</project>
                    <description>&lt;p&gt;Figured I would open a case on this Netty decode exception. Mainly to see if there is anything I can assist with in data collection for you guys or if we are implementing something improperly on the OVSDB end. We also use Netty for socket IO. The OVSDB socket stays up but the OF ports go down. That said we have a similar issue lurking ourselves but have not had time to debug in the past couple of days w/ docs and everything else.&lt;/p&gt;

&lt;p&gt;Here is a quick output of the logs. Just let me know if I can help with more information or jump on a Webex for a screenshare of the scenario which is pretty simple. OVS 2.0.9 running on a single host. That host is also running the vanilla virtualization distribution distributions-virtualization-0.1.0-SNAPSHOT-osgipackage.zip&lt;/p&gt;

&lt;p&gt;Gist w/ the error snippets. &lt;br/&gt;
&lt;a href=&quot;https://gist.github.com/38715b32bfd8a2dbe2d1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://gist.github.com/38715b32bfd8a2dbe2d1&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Cheers,&lt;br/&gt;
-Brent&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: Linux&lt;br/&gt;
Platform: Other&lt;/p&gt;</environment>
        <key id="27334">OPNFLWPLUG-66</key>
            <summary>Netty Decode Exception</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="brent.salisbury@gmail.com">Brent Salisbury</assignee>
                                    <reporter username="brent.salisbury@gmail.com">Brent Salisbury</reporter>
                        <labels>
                    </labels>
                <created>Fri, 31 Jan 2014 07:34:21 +0000</created>
                <updated>Mon, 27 Sep 2021 09:01:04 +0000</updated>
                            <resolved>Mon, 21 Apr 2014 03:10:29 +0000</resolved>
                                                                    <component>General</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="55356" author="mirehak@cisco.com" created="Mon, 10 Mar 2014 16:33:35 +0000"  >&lt;p&gt;Hi Brent,&lt;br/&gt;
could you provide more detail? Can I replicate the scenario locally?&lt;/p&gt;

&lt;p&gt;Reading logs I got feeling like the messages got shifted or something and suddenly there is rubbish instead of version negotiation. This could be caused by bug in netty, where sliced buffer is getting overwritten as the next message is shifted to beginning of buffer. Similar issue is being solved at &lt;a href=&quot;https://jira.opendaylight.org/browse/OPNFLWJAVA-15&quot; title=&quot;IndexOutofBoundsException&quot; class=&quot;issue-link&quot; data-issue-key=&quot;OPNFLWJAVA-15&quot;&gt;&lt;del&gt;OPNFLWJAVA-15&lt;/del&gt;&lt;/a&gt;. That behavior by slicing should be fixed in netty-4.0.12.Final.&lt;/p&gt;


&lt;p&gt;By the way - in logs there is warning that there are 2 ports assigned to packetIn: one is in inPort field and the other in match entry (or both are in match entries). And then plugin can not decide which port is the right one if 2 different port numbers are extracted.&lt;/p&gt;


&lt;p&gt;Regards,&lt;br/&gt;
Michal&lt;/p&gt;</comment>
                            <comment id="55357" author="abhijit2511" created="Mon, 24 Mar 2014 15:39:09 +0000"  >&lt;p&gt;Any update Brent?&lt;/p&gt;</comment>
                            <comment id="55358" author="abhijit2511" created="Mon, 14 Apr 2014 15:14:57 +0000"  >&lt;p&gt;As per Michal&apos;s comment above - the behavior by slicing should be fixed in netty-4.0.12.Final.&lt;/p&gt;

&lt;p&gt;Please check.&lt;/p&gt;</comment>
                            <comment id="55359" author="abhijit2511" created="Mon, 14 Apr 2014 15:20:56 +0000"  >&lt;p&gt;Brent - can you confirm if still occurs?&lt;/p&gt;</comment>
                            <comment id="55360" author="brent.salisbury@gmail.com" created="Mon, 21 Apr 2014 02:33:08 +0000"  >
&lt;p&gt;(In reply to Abhijit Kumbhare from comment #4)&lt;br/&gt;
&amp;gt; Brent - can you confirm if still occurs?&lt;/p&gt;

&lt;p&gt;Sorry I missed the request last week. I am still seeing it. Here were some logs I gave posted to the ODL-OF irc channel.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://www.dropbox.com/s/oj4js8v3vhmnh71/OF13-Netty.io.DeserializationError.zip&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.dropbox.com/s/oj4js8v3vhmnh71/OF13-Netty.io.DeserializationError.zip&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://www.dropbox.com/s/1t2g36ekv4m0epi/OF13-Netty.io.DeserializationError-mar25-%28See-Packet-Number-113649%29.pcapng&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.dropbox.com/s/1t2g36ekv4m0epi/OF13-Netty.io.DeserializationError-mar25-%28See-Packet-Number-113649%29.pcapng&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://lists.opendaylight.org/pipermail/controller-dev/2014-April/003891.html&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://lists.opendaylight.org/pipermail/controller-dev/2014-April/003891.html&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="55361" author="brent.salisbury@gmail.com" created="Mon, 21 Apr 2014 03:10:29 +0000"  >&lt;p&gt;(In reply to Brent Salisbury from comment #5)&lt;br/&gt;
&amp;gt; (In reply to Abhijit Kumbhare from comment #4)&lt;br/&gt;
&amp;gt; &amp;gt; Brent - can you confirm if still occurs?&lt;br/&gt;
&amp;gt; &lt;br/&gt;
&amp;gt; Sorry I missed the request last week. I am still seeing it. Here were some&lt;br/&gt;
&amp;gt; logs I gave posted to the ODL-OF irc channel.&lt;br/&gt;
&amp;gt; &lt;br/&gt;
&amp;gt; &lt;a href=&quot;https://www.dropbox.com/s/oj4js8v3vhmnh71/OF13-Netty.io.DeserializationError&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.dropbox.com/s/oj4js8v3vhmnh71/OF13-Netty.io.DeserializationError&lt;/a&gt;.&lt;br/&gt;
&amp;gt; zip&lt;br/&gt;
&amp;gt; &lt;br/&gt;
&amp;gt; &lt;a href=&quot;https://www.dropbox.com/s/1t2g36ekv4m0epi/OF13-Netty.io.DeserializationError-&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://www.dropbox.com/s/1t2g36ekv4m0epi/OF13-Netty.io.DeserializationError-&lt;/a&gt;&lt;br/&gt;
&amp;gt; mar25-%28See-Packet-Number-113649%29.pcapng&lt;br/&gt;
&amp;gt; &lt;br/&gt;
&amp;gt; &lt;a href=&quot;https://lists.opendaylight.org/pipermail/controller-dev/2014-April/003891&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://lists.opendaylight.org/pipermail/controller-dev/2014-April/003891&lt;/a&gt;.&lt;br/&gt;
&amp;gt; html &amp;lt;-ignore this, I thought it was another thread regarding the multiple port complaints.&lt;/p&gt;

&lt;p&gt;Argh, that was the wrong thread I pasted. I will verify and also look at Michals helpful comment on the multiple port information. I spent the weekend digging into the OFPlugin and OFJava bundles for extensions and have a understanding of the patterns now so hopefully will be able to assist with patches rather then bug reports in the future.&lt;/p&gt;

&lt;p&gt;Appreciate the help guys,&lt;br/&gt;
Brent&lt;/p&gt;</comment>
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