fix: handle all exceptions to support Kotlin

Handle Exception and not just RuntimeException to support Kotlin and
probably other JVM languages which do not have the concept of checked
exceptions.

Author: dvob

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/workflow/AbstractWorkflowExecutor.java

@@ -112,7 +112,7 @@ protected void markAsExecuting(
   }
 
   protected synchronized void handleExceptionInExecutor(
-      DependentResourceNode<?, P> dependentResourceNode, RuntimeException e) {
+      DependentResourceNode<?, P> dependentResourceNode, Exception e) {
     createOrGetResultFor(dependentResourceNode).withError(e);
   }
 

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);

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);
             }