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javax.servlet.ServletException: Not running on Jetty, WebSocket support unavailable	at org.eclipse.jetty.websocket.server.WebSocketServerFactory.init(WebSocketServerFactory.java:393)	at org.springframework.web.socket.server.jetty.JettyRequestUpgradeStrategy.start(JettyRequestUpgradeStrategy.java:160)	at org.springframework.web.socket.server.support.AbstractHandshakeHandler.doStart(AbstractHandshakeHandler.java:204)	at org.springframework.web.socket.server.support.AbstractHandshakeHandler.start(AbstractHandshakeHandler.java:198)	at org.springframework.web.socket.server.support.WebSocketHttpRequestHandler.start(WebSocketHttpRequestHandler.java:132)	at org.springframework.web.socket.server.support.WebSocketHandlerMapping.start(WebSocketHandlerMapping.java:65)	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:173)	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:51)	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:346)	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:149)	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:112)	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:852)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)	at org.springframework.test.context.web.AbstractGenericWebContextLoader.loadContext(AbstractGenericWebContextLoader.java:133)	at org.springframework.test.context.web.AbstractGenericWebContextLoader.loadContext(AbstractGenericWebContextLoader.java:60)	at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:109)	at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:261)	at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:98)	at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:116)	at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:83)	at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:183)	at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:123)	at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:228)	at org.springframework.test.context.testng.AbstractTestNGSpringContextTests.springTestContextPrepareTestInstance(AbstractTestNGSpringContextTests.java:149)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)	at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:517)	at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)	at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:140)	at org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:170)	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:104)	at org.testng.TestRunner.privateRun(TestRunner.java:771)	at org.testng.TestRunner.run(TestRunner.java:621)	at org.testng.SuiteRunner.runTest(SuiteRunner.java:357)	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:352)	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:310)	at org.testng.SuiteRunner.run(SuiteRunner.java:259)	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1199)	at org.testng.TestNG.runSuitesLocally(TestNG.java:1124)	at org.testng.TestNG.run(TestNG.java:1032)	at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:115)	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeMulti(TestNGDirectoryTestSuite.java:205)	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:108)	at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:111)	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)