WebSocketContainer not present in ServletContext

[INFO] Deploying WebSocket(path=/websocket/v1/bus)
ERROR: [org.apache.catalina.core.StandardContext.listenerStart] Exception sending context initialized event to listener instance of class [org.talend.sdk.component.server.configuration.WebSocketBroadcastSetup]
java.lang.NullPointerException
	at org.talend.sdk.component.server.configuration.WebSocketBroadcastSetup.lambda$contextInitialized$7(WebSocketBroadcastSetup.java:200)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$11$1.accept(ReferencePipeline.java:373)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:390)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:483)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.talend.sdk.component.server.configuration.WebSocketBroadcastSetup.contextInitialized(WebSocketBroadcastSetup.java:198)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4685)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5146)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
	at org.apache.meecrowave.Meecrowave.deployWebapp(Meecrowave.java:420)
	at org.apache.meecrowave.Meecrowave.deployClasspath(Meecrowave.java:190)
	at org.talend.sdk.component.server.cli.EnhancedCli.run(EnhancedCli.java:52)
	at org.talend.sdk.component.studio.ProcessManager$2.run(ProcessManager.java:288)
[SEVERE] Exception sending context initialized event to listener instance of class [org.talend.sdk.component.server.configuration.WebSocketBroadcastSetup]
java.lang.NullPointerException
	at org.talend.sdk.component.server.configuration.WebSocketBroadcastSetup.lambda$contextInitialized$7(WebSocketBroadcastSetup.java:200)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$11$1.accept(ReferencePipeline.java:373)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:390)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:483)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.talend.sdk.component.server.configuration.WebSocketBroadcastSetup.contextInitialized(WebSocketBroadcastSetup.java:198)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4685)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5146)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
	at org.apache.meecrowave.Meecrowave.deployWebapp(Meecrowave.java:420)
	at org.apache.meecrowave.Meecrowave.deployClasspath(Meecrowave.java:190)
	at org.talend.sdk.component.server.cli.EnhancedCli.run(EnhancedCli.java:52)
	at org.talend.sdk.component.studio.ProcessManager$2.run(ProcessManager.java:288)

ERROR: [org.apache.catalina.core.StandardContext.startInternal] One or more listeners failed to start. Full details will be found in the appropriate container log file
[SEVERE] One or more listeners failed to start. Full details will be found in the appropriate container log file
ERROR: [org.apache.catalina.core.StandardContext.startInternal] Context [] startup failed due to previous errors
[SEVERE] Context [] startup failed due to previous errors