diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/AbstractWorkflowExecutor.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/AbstractWorkflowExecutor.java
index 6629ed8f62..447f89ab30 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/AbstractWorkflowExecutor.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/AbstractWorkflowExecutor.java
@@ -111,8 +111,9 @@ protected void markAsExecuting(
     actualExecutions.put(dependentResourceNode, future);
   }
 
+  // Exception is required because of Kotlin
   protected synchronized void handleExceptionInExecutor(
-      DependentResourceNode<?, P> dependentResourceNode, RuntimeException e) {
+      DependentResourceNode<?, P> dependentResourceNode, Exception e) {
     createOrGetResultFor(dependentResourceNode).withError(e);
   }
 
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/NodeExecutor.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/NodeExecutor.java
index 740d10710d..4efadff05f 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/NodeExecutor.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/NodeExecutor.java
@@ -19,7 +19,8 @@ public void run() {
     try {
       doRun(dependentResourceNode);
 
-    } catch (RuntimeException e) {
+    } catch (Exception e) {
+      // Exception is required because of Kotlin
       workflowExecutor.handleExceptionInExecutor(dependentResourceNode, e);
     } finally {
       workflowExecutor.handleNodeExecutionFinish(dependentResourceNode);
diff --git a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/polling/PollingEventSource.java b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/polling/PollingEventSource.java
index b7e9740552..fe7c9ce391 100644
--- a/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/polling/PollingEventSource.java
+++ b/operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/polling/PollingEventSource.java
@@ -73,7 +73,8 @@ public void run() {
               }
               getStateAndFillCache();
               healthy.set(true);
-            } catch (RuntimeException e) {
+            } catch (Exception e) {
+              // Exception is required because of Kotlin
               healthy.set(false);
               log.error("Error during polling.", e);
             }