https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/OPNFLWPLUG-224 OpenFlowPlugin <p>DataStore API is used in test-provider and drop-test.<br/> We need to migrate affected code to new API and check occurrences in other parts of OFPlugin as well.</p> <p>Howto is in mailing list controller-dev, 30.06.2014, from Tony, subject: Deprecation of MD-SAL..</p> <p>Operating System: Linux<br/> Platform: PC</p> OPNFLWPLUG-224

Migrate to next MD-SAL dataStore API

Bug Resolved Done Martin Bobak Michal Rehak Thu, 31 Jul 2014 07:27:07 +0000 Mon, 27 Sep 2021 09:01:16 +0000 Tue, 12 Aug 2014 09:12:00 +0000 General 0 4 <p><a href="https://git.opendaylight.org/gerrit/9527" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/9527</a><br/> <a href="https://git.opendaylight.org/gerrit/9528" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/9528</a><br/> <a href="https://git.opendaylight.org/gerrit/9532/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/9532/</a></p> <p>merged</p> <p>Testing shows the following exceptions:</p> <p>2014-08-02 18:08:20.583 CEST <span class="error">&#91;pool-8-thread-1&#93;</span> WARN o.o.c.m.s.d.s.i.InMemoryDOMDataStore - Store Tx: DOM-CFG-185 Data Precondition failed for (urn:opendaylight:inventory?revision=2013-08-19)nodes.<br/> org.opendaylight.yangtools.yang.data.api.schema.tree.ModifiedNodeDoesNotExistException: Node does not exist. Could not modify its children.<br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.NormalizedNodeContainerModificationStrategy.checkDoesNotExists(NormalizedNodeContainerModificationStrategy.java:176) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.NormalizedNodeContainerModificationStrategy.checkSubtreeModificationApplicable(NormalizedNodeContainerModificationStrategy.java:169) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:131) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.NormalizedNodeContainerModificationStrategy.checkChildPreconditions(NormalizedNodeContainerModificationStrategy.java:187) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.NormalizedNodeContainerModificationStrategy.checkSubtreeModificationApplicable(NormalizedNodeContainerModificationStrategy.java:171) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaAwareApplyOperation.checkApplicable(SchemaAwareApplyOperation.java:131) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.RootModificationApplyOperation.checkApplicable(RootModificationApplyOperation.java:28) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTree.validate(InMemoryDataTree.java:89) ~<span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore$ThreePhaseCommitImpl$1.call(InMemoryDOMDataStore.java:315) <span class="error">&#91;bundlefile:na&#93;</span><br/> at org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore$ThreePhaseCommitImpl$1.call(InMemoryDOMDataStore.java:311) <span class="error">&#91;bundlefile:na&#93;</span><br/> at java.util.concurrent.FutureTask.run(FutureTask.java:262) <span class="error">&#91;na:1.7.0_65&#93;</span><br/> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) <span class="error">&#91;na:1.7.0_65&#93;</span><br/> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) <span class="error">&#91;na:1.7.0_65&#93;</span><br/> at java.lang.Thread.run(Thread.java:745) <span class="error">&#91;na:1.7.0_65&#93;</span></p> <p>After applying bandaid (<a href="https://git.opendaylight.org/gerrit/9610" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/9610</a>), the throughput is abysmal. Needs to be investigated.</p> <p>I would suggest following:</p> <p>issue write for /nodes/node/table/0 with ensure parents when node first appeared (this should be probably done by inventory manager upon learning existence of tables) so clients<br/> could still write flows without ensure parents.</p> <p>Error ModifiedNodeDoesNotExistException doesn't seem to be related to migration to new MD-SAL API. Nevertheless some changes were made while investigating this issue. </p> <p>One of them is migration of inventory-manager to new MD-SAL API which is in commit : <a href="https://git.opendaylight.org/gerrit/#/c/9747/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/9747/</a>. </p> <p>Another one is implementation of Tony's suggestion on issuing write on /nodes/node/table/0 which is in this commit <a href="https://git.opendaylight.org/gerrit/#/c/9771/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/9771/</a>.</p> <p>Next investigation related to ModifiedNodeDoesNotExistException will be made under bug : <a href="https://jira.opendaylight.org/browse/OPNFLWPLUG-228" title="Continuous ERROR logs in org.opendaylight.yangtools.yang.data.api.schema.tree.ModifiedNodeDoesNotExistException: Node does not exist. Could not modify its children." class="issue-link" data-issue-key="OPNFLWPLUG-228"><del>OPNFLWPLUG-228</del></a> - Continuous ERROR logs in (<a href="https://bugs.opendaylight.org/show_bug.cgi?id=1490" class="external-link" target="_blank" rel="nofollow noopener">https://bugs.opendaylight.org/show_bug.cgi?id=1490</a>)</p> Blocks OPNFLWPLUG-84 Development External issue ID 1458 External issue URL ODL SR Target Milestone Priority Rank 0|i02ztz: