NPE when adding lambda breakpoints in reactive projects #477

java.lang.NullPointerException: Cannot invoke "org.eclipse.jdt.core.dom.IMethodBinding.getKey()" because "binding" is null
	at com.microsoft.java.debug.BindingUtils.getMethodName(BindingUtils.java:36)
	at com.microsoft.java.debug.LambdaExpressionLocator.getMethodName(LambdaExpressionLocator.java:84)
	at com.microsoft.java.debug.plugin.internal.JdtSourceLookUpProvider.getBreakpointLocations(JdtSourceLookUpProvider.java:176)
	at com.microsoft.java.debug.core.adapter.handler.SetBreakpointsRequestHandler.convertClientBreakpointsToDebugger(SetBreakpointsRequestHandler.java:312)
	at com.microsoft.java.debug.core.adapter.handler.SetBreakpointsRequestHandler.handle(SetBreakpointsRequestHandler.java:108)
	at com.microsoft.java.debug.core.adapter.DebugAdapter.lambda$dispatchRequest$0(DebugAdapter.java:93)
	at java.base/java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:1187)
	at java.base/java.util.concurrent.CompletableFuture.thenCompose(CompletableFuture.java:2309)
	at com.microsoft.java.debug.core.adapter.DebugAdapter.dispatchRequest(DebugAdapter.java:92)
	at com.microsoft.java.debug.core.adapter.ProtocolServer.dispatchRequest(ProtocolServer.java:118)
	at com.microsoft.java.debug.core.protocol.AbstractProtocolServer.lambda$new$0(AbstractProtocolServer.java:81)
	at io.reactivex.internal.observers.LambdaObserver.onNext(LambdaObserver.java:63)
	at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.drainNormal(ObservableObserveOn.java:201)
	at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.run(ObservableObserveOn.java:255)
	at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66)
	at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)

import reactor.core.publisher.Mono;

public class Lambda {
    public static void main(String[] args) {
        var s = Mono.fromCallable(() -> String.valueOf(Math.random())).map(i -> i.concat("2")).block();
        System.out.println(s);
    }
}