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/YANGTOOLS-122 yangtools <p>java.lang.ClassCastException: java.lang.String cannot be cast to org.opendaylight.yangtools.yang.data.api.InstanceIdentifier</p> <p>yang module snippet:<br/> leaf path {<br/> type instance-identifier;<br/> }</p> <p>xml input snippet:<br/> &lt;path xmlns:topo="urn:TBD:params:xml:ns:yang:network-topology"&gt;/topo:network-topology/topo:topology<span class="error">&#91;topo:topology-id=&quot;pcep-topology&quot;&#93;</span>&lt;/path&gt;</p> <p>Operating System: Linux<br/> Platform: PC</p> YANGTOOLS-122

Failed to maps instance-identifier (XML node) into Java InstanceIdentifier

Bug Resolved Done Unassigned Milos Fabian Wed, 26 Mar 2014 12:22:56 +0000 Sun, 10 Apr 2022 18:35:02 +0000 Wed, 23 Apr 2014 09:10:36 +0000 Tue, 15 Apr 2014 00:00:00 +0000 0 3 <p>test code:</p> <p> private RuntimeGeneratedMappingServiceImpl mappingService;</p> <p> @Before<br/> public void setup() </p> { this.mappingService = new RuntimeGeneratedMappingServiceImpl(); this.mappingService.setPool(new ClassPool()); this.mappingService.init(); final ModuleInfoBackedContext moduleInfo = ModuleInfoBackedContext.create(); moduleInfo.addModuleInfos(BindingReflections.loadModuleInfos()); this.mappingService.onGlobalContextUpdated(moduleInfo.tryToCreateSchemaContext().get()); } <p>@Test<br/> public void testNotificationTransformation() throws Exception </p> { YangModuleInfo moduleInfo = BindingReflections.getModuleInfo(DataChangedNotification.class); Module module = mappingService.getSchemaContext().findModuleByName(moduleInfo.getName(),org.opendaylight.yangtools.yang.common.QName.parseRevision(moduleInfo.getRevision())); Document doc = XmlTools.fromXml(getClass().getClassLoader().getResourceAsStream("notification.xml")); CompositeNode cn = XmlDocumentUtils.notificationToDomNodes(doc, Optional.of(module.getNotifications())); DataChangedNotification notification = (DataChangedNotification) this.mappingService.dataObjectFromDataDom(DataChangedNotification.class, cn); assertTrue(notification.getDataChangeEvent().size() &gt; 0); } <p>Attachment notification.xml has been added with description: test input xml</p> <p>Attachment RestconfUtilsTest.java has been added with description: test java class</p> <p>(In reply to Milos Fabian from comment #3)<br/> &gt; Created attachment 79 <span class="error">&#91;details&#93;</span><br/> &gt; test java class</p> <p>required dependency:<br/> &lt;dependency&gt;<br/> &lt;groupId&gt;org.opendaylight.controller&lt;/groupId&gt;<br/> &lt;artifactId&gt;sal-remote&lt;/artifactId&gt;<br/> &lt;version&gt;1.1-SNAPSHOT&lt;/version&gt;<br/> &lt;scope&gt;test&lt;/scope&gt;<br/> &lt;/dependency&gt;</p> <p>Bump importance, this is blocking RESTCONF broker usability.</p> <p>Conversion of String to InstanceIdentifier was added. See<br/> <a href="https://git.opendaylight.org/gerrit/#/c/6021/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/6021/</a></p> <p>Curently test specified above is falling on LazyGeneratedCodecRegistry.getClassForPath()</p> <p>See stack trace:<br/> Caused by: java.lang.NullPointerException<br/> at org.opendaylight.yangtools.sal.binding.generator.impl.LazyGeneratedCodecRegistry.getClassForPath(LazyGeneratedCodecRegistry.java:229)<br/> at org.opendaylight.yangtools.sal.binding.generator.impl.InstanceIdentifierCodecImpl._deserializePathArgument(InstanceIdentifierCodecImpl.java:90)<br/> at org.opendaylight.yangtools.sal.binding.generator.impl.InstanceIdentifierCodecImpl.deserializePathArgument(InstanceIdentifierCodecImpl.java:189)<br/> at org.opendaylight.yangtools.sal.binding.generator.impl.InstanceIdentifierCodecImpl.deserialize(InstanceIdentifierCodecImpl.java:69)<br/> at org.opendaylight.yangtools.sal.binding.generator.impl.InstanceIdentifierCodecImpl.deserialize(InstanceIdentifierCodecImpl.java:47)<br/> ----- OMITTED -----------</p> <p>String representation of InstanceIdentifier (from enclosed namespace.xml)<br/> topo="urn:TBD:params:xml:ns:yang:network-topology</p> <p>Regarding creating of InstanceIdentifier from string maybe some of this question should be also solved:</p> <ul class="alternate" type="square"> <li>if in xml is specified namespace which revision of module should be used? Currently is used youngest yang module</li> <li>what instances of PathArgument should be used in InstanceIdentifier? Currently is used InstanceIdentifier.NodeIdentifier and InstanceIdentifier.NodeIdentifierWithPredicates.</li> </ul> <p>Under <br/> <a href="https://git.opendaylight.org/gerrit/#/c/6021/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/6021/</a><br/> there are:</p> <ul class="alternate" type="square"> <li>patch set 2 - solution with independent InstanceIdentifierParser</li> <li>patch set 3 - solution where InstanceIdentifierCodecStringImpl is added to TypeDefinitionAwareCodec</li> </ul> <p><a href="https://git.opendaylight.org/gerrit/#/c/6192/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/6192/</a></p> <ul class="alternate" type="square"> <li>patch set contains standalone codec for InstanceIdentifier type with serialize and deserialize methods implemented which is part of TypeDefinitionAwareCodec class.</li> </ul> <p>DOM part of the codec was merged into master.</p> Blocks CONTROLLER-227 Development External issue ID 595 External issue URL Rank 0|i0259z: