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java.lang.NullPointerException: Cannot invoke "java.util.concurrent.CompletableFuture.get()" because the return value of "com.vaadin.addon.leaflet4vaadin.LeafletMap.getCenter()" is null
	at com.posbang.duriobackoffice.views.pages.report.PoiReportView.lambda$heatMapData$2(PoiReportTest.java:644) ~[classes/:na]
	at com.vaadin.addon.leaflet4vaadin.layer.Layer.lambda$fireEvent$1(Layer.java:147) ~[classes/:na]
	at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]
	at com.vaadin.addon.leaflet4vaadin.layer.Layer.fireEvent(Layer.java:147) ~[classes/:na]
	at com.vaadin.addon.leaflet4vaadin.LeafletMap.fireEvent(LeafletMap.java:389) ~[classes/:na]
	at com.vaadin.addon.leaflet4vaadin.LeafletMap.onBaseEventHandler(LeafletMap.java:111) ~[classes/:na]
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
	at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
	at com.vaadin.flow.server.communication.rpc.PublishedServerEventHandlerRpcHandler.invokeMethod(PublishedServerEventHandlerRpcHandler.java:222) ~[flow-server-23.1.2.jar:23.1.2]
	at com.vaadin.flow.server.communication.rpc.PublishedServerEventHandlerRpcHandler.invokeMethod(PublishedServerEventHandlerRpcHandler.java:196) ~[flow-server-23.1.2.jar:23.1.2]
	at com.vaadin.flow.server.communication.rpc.PublishedServerEventHandlerRpcHandler.invokeMethod(PublishedServerEventHandlerRpcHandler.java:149) ~[flow-server-23.1.2.jar:23.1.2]
	at com.vaadin.flow.server.communication.rpc.PublishedServerEventHandlerRpcHandler.handleNode(PublishedServerEventHandlerRpcHandler.java:132) ~[flow-server-23.1.2.jar:23.1.2]
	at com.vaadin.flow.server.communication.rpc.AbstractRpcInvocationHandler.handle(AbstractRpcInvocationHandler.java:75) ~[flow-server-23.1.2.jar:23.1.2]
	at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocationData(ServerRpcHandler.java:438) ~[flow-server-23.1.2.jar:23.1.2]
	at com.vaadin.flow.server.communication.ServerRpcHandler.lambda$handleInvocations$1(ServerRpcHandler.java:419) ~[flow-server-23.1.2.jar:23.1.2]
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na]