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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>[SFC-100] SFC Initialization error after YangParser Merge</title>
                <link>https://jira.opendaylight.org/browse/SFC-100</link>
                <project id="10167" key="SFC">sfc</project>
                    <description>&lt;p&gt;How to reproduce: GEt SFC master and start karaf. AFter a while the following error will be printed on the console:&lt;/p&gt;

&lt;p&gt;opendaylight-user@root&amp;gt;Exception in thread &quot;config-pusher&quot; java.lang.IllegalStateException: Error - getInstance() failed for ModuleIdentifier&lt;/p&gt;
{factoryName=&apos;statistics-manager&apos;, instanceName=&apos;statistics-manager&apos;}
&lt;p&gt; in transaction TransactionIdentifier&lt;/p&gt;
{name=&apos;ConfigTransaction-88-90&apos;}
&lt;p&gt;	at org.opendaylight.controller.config.manager.impl.ConfigTransactionControllerImpl.secondPhaseCommit(ConfigTransactionControllerImpl.java:430)&lt;br/&gt;
	at org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl.secondPhaseCommit(ConfigRegistryImpl.java:280)&lt;br/&gt;
	at org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl.commitConfig(ConfigRegistryImpl.java:227)&lt;br/&gt;
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;br/&gt;
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;br/&gt;
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;br/&gt;
	at java.lang.reflect.Method.invoke(Method.java:606)&lt;br/&gt;
	at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)&lt;br/&gt;
	at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)&lt;br/&gt;
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;br/&gt;
	at java.lang.reflect.Method.invoke(Method.java:606)&lt;br/&gt;
	at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:193)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:175)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:117)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:54)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252)&lt;br/&gt;
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanProxy$InvokeHandler.invoke(MXBeanProxy.java:150)&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanProxy.invoke(MXBeanProxy.java:167)&lt;br/&gt;
	at javax.management.MBeanServerInvocationHandler.invoke(MBeanServerInvocationHandler.java:252)&lt;br/&gt;
	at com.sun.proxy.$Proxy16.commitConfig(Unknown Source)&lt;br/&gt;
	at org.opendaylight.controller.config.util.ConfigRegistryJMXClient.commitConfig(ConfigRegistryJMXClient.java:110)&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: All&lt;br/&gt;
Platform: All&lt;/p&gt;</environment>
        <key id="24126">SFC-100</key>
            <summary>SFC Initialization error after YangParser Merge</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="rovarga">Robert Varga</assignee>
                                    <reporter username="repenno">Reinaldo Penno</reporter>
                        <labels>
                    </labels>
                <created>Fri, 2 Oct 2015 01:12:10 +0000</created>
                <updated>Mon, 9 Nov 2015 10:23:59 +0000</updated>
                            <resolved>Mon, 9 Nov 2015 10:23:59 +0000</resolved>
                                    <version>unspecified</version>
                                                    <component>General</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="46577" author="rapenno@gmail.com" created="Fri, 2 Oct 2015 02:36:41 +0000"  >&lt;p&gt;2015-10-01 19:34:49,494 | ERROR | config-pusher    | TransactionProvider              | 148 - org.opendaylight.controller.config-manager-facade-xml - 0.4.0.SNAPSHOT | Exception while commit of org.opendaylight.controller:TransactionName=ConfigTransaction-28-30,type=ConfigTransaction, aborting transaction&lt;br/&gt;
org.opendaylight.controller.config.api.ConflictingVersionException: Optimistic lock failed. Expected parent version 34, was 28&lt;br/&gt;
	at org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl.commitConfig(ConfigRegistryImpl.java:215)&lt;br/&gt;
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.lang.reflect.Method.invoke(Method.java:606)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source)&lt;br/&gt;
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at java.lang.reflect.Method.invoke(Method.java:606)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:193)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:175)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:117)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:54)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;br/&gt;
	at com.sun.jmx.mbeanserver.MXBeanProxy$InvokeHandler.invoke(MXBeanProxy.java:150)&lt;span class=&quot;error&quot;&gt;&amp;#91;:1.7.0_79&amp;#93;&lt;/span&gt;&lt;/p&gt;</comment>
                            <comment id="46578" author="vrpolak" created="Fri, 2 Oct 2015 12:04:20 +0000"  >&lt;p&gt;&amp;gt; org.opendaylight.controller.config.api.ConflictingVersionException: Optimistic lock failed.&lt;/p&gt;

&lt;p&gt;This is usually followed by this:&lt;br/&gt;
2015-10-02 11:19:39,743 | INFO  | config-pusher    | ConfigPusherImpl                 | 92 - org.opendaylight.controller.config-persister-impl - 0.4.0.SNAPSHOT | Conflicting version detected, will retry after timeout&lt;/p&gt;

&lt;p&gt;and it is a normal way how config subsystem operates.&lt;/p&gt;


&lt;p&gt;&amp;gt; Exception in thread &quot;config-pusher&quot;&lt;/p&gt;

&lt;p&gt;I have seen this config subsystem heisenbug before. It still does not reproduce reliably, but frequency seem to be increased.&lt;br/&gt;
Possibly, this is one of issues Tom Pantelis tried to address in his patches (currently reverted).&lt;/p&gt;</comment>
                            <comment id="46579" author="tony.tkacik@gmail.com" created="Wed, 7 Oct 2015 07:48:00 +0000"  >&lt;p&gt;&lt;a href=&quot;https://git.opendaylight.org/gerrit/#/c/27975/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/#/c/27975/&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="46580" author="vrpolak" created="Tue, 27 Oct 2015 11:59:49 +0000"  >&lt;p&gt;&amp;gt; &lt;a href=&quot;https://git.opendaylight.org/gerrit/#/c/27975/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://git.opendaylight.org/gerrit/#/c/27975/&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Merged. Is the &quot;IllegalStateException: Error - getInstance() failed&quot; gone now?&lt;/p&gt;</comment>
                            <comment id="46581" author="vrpolak" created="Mon, 9 Nov 2015 10:23:59 +0000"  >&lt;p&gt;Marking as FIXED for now, feel free to re-open if it was not fixed enough.&lt;/p&gt;</comment>
                    </comments>
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