[main] WARN org.opendaylight.netconf.client.mdsal.LibrarySchemaSourceProvider - Unable to download source SourceIdentifier [abc] from a yang library's url http://non-existing-entity.yang java.net.UnknownHostException: non-existing-entity.yang at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:567) at java.base/java.net.Socket.connect(Socket.java:751) at java.base/java.net.Socket.connect(Socket.java:686) at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:183) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:539) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:644) at java.base/sun.net.www.http.HttpClient.(HttpClient.java:290) at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:394) at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:416) at java.base/sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1327) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1260) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1146) at java.base/sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:1075) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1707) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1632) at java.base/java.net.URL.openStream(URL.java:1325) at org.opendaylight.netconf.client.mdsal.LibrarySchemaSourceProvider.getSource(LibrarySchemaSourceProvider.java:47) at org.opendaylight.netconf.client.mdsal.LibrarySchemaYangSourceProviderTest.testGetSourceFailure(LibrarySchemaYangSourceProviderTest.java:39) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:700) at org.junit.platform.commons.support.ReflectionSupport.invokeMethod(ReflectionSupport.java:528) at org.junit.jupiter.engine.support.MethodReflectionUtils.invoke(MethodReflectionUtils.java:53) at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:61) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:124) at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:163) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:148) at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86) at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:124) at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:105) at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:99) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:66) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:47) at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:39) at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:104) at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:98) at org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invokeVoid(InterceptingExecutableInvoker.java:71) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$0(TestMethodTestDescriptor.java:219) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:215) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:157) at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:70) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$2(NodeTestTask.java:176) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$1(NodeTestTask.java:166) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:139) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$0(NodeTestTask.java:164) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:163) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:116) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:42) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$2(NodeTestTask.java:180) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$1(NodeTestTask.java:166) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:139) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$0(NodeTestTask.java:164) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:163) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:116) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:42) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$2(NodeTestTask.java:180) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$1(NodeTestTask.java:166) at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:139) at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$0(NodeTestTask.java:164) at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:74) at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:163) at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:116) at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:36) at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:52) at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:58) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.executeEngine(EngineExecutionOrchestrator.java:256) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.failOrExecuteEngine(EngineExecutionOrchestrator.java:228) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:189) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:109) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:66) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:168) at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:65) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:137) at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:126) at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:71) at org.junit.platform.launcher.core.InterceptingLauncher.lambda$execute$2(InterceptingLauncher.java:66) at org.junit.platform.launcher.core.ClasspathAlignmentCheckingLauncherInterceptor.intercept(ClasspathAlignmentCheckingLauncherInterceptor.java:25) at org.junit.platform.launcher.core.InterceptingLauncher.execute(InterceptingLauncher.java:65) at org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:71) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.maven.surefire.api.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:125) at org.apache.maven.surefire.junitplatform.LauncherAdapter.executeWithCancellationToken(LauncherAdapter.java:68) at org.apache.maven.surefire.junitplatform.LauncherAdapter.execute(LauncherAdapter.java:54) at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.execute(JUnitPlatformProvider.java:283) at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invokeAllTests(JUnitPlatformProvider.java:253) at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invoke(JUnitPlatformProvider.java:221) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:394) at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:181) at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:530) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:518)