diff --git a/src/main/java/beamline/models/algorithms/StreamMiningAlgorithm.java b/src/main/java/beamline/models/algorithms/StreamMiningAlgorithm.java index 6486d1f9a6a440a224eb3013521ae085355c70db..8bb7636aaeb75b811b7d2c7df12e59e372690cc5 100644 --- a/src/main/java/beamline/models/algorithms/StreamMiningAlgorithm.java +++ b/src/main/java/beamline/models/algorithms/StreamMiningAlgorithm.java @@ -82,7 +82,7 @@ public abstract class StreamMiningAlgorithm<T extends Response> extends RichFlat protected T process(BEvent event) { try { long value = 1; - if (processedEvents.value() != null) { + if (processedEvents == null || processedEvents.value() != null) { value = processedEvents.value() + 1; } processedEvents.update(value);