diff --git a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/scheduling/StandardProcessScheduler.java b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/scheduling/StandardProcessScheduler.java
index 43e05dda1d..772582358d 100644
--- a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/scheduling/StandardProcessScheduler.java
+++ b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/scheduling/StandardProcessScheduler.java
@@ -339,8 +339,8 @@ public final class StandardProcessScheduler implements ProcessScheduler {
                             final ProcessorLog procLog = new SimpleProcessLogger(procNode.getIdentifier(), procNode.getProcessor());
 
                             procLog.error("{} failed to invoke @OnScheduled method due to {}; processor will not be scheduled to run for {}",
-                                    new Object[]{procNode.getProcessor(), cause.getCause(), administrativeYieldDuration}, cause.getCause());
-                            LOG.error("Failed to invoke @OnScheduled method due to {}", cause.getCause().toString(), cause.getCause());
+                                    new Object[]{procNode.getProcessor(), cause, administrativeYieldDuration}, cause);
+                            LOG.error("Failed to invoke @OnScheduled method due to {}", cause.toString(), cause);
 
                             ReflectionUtils.quietlyInvokeMethodsWithAnnotation(OnUnscheduled.class, procNode.getProcessor(), processContext);
                             ReflectionUtils.quietlyInvokeMethodsWithAnnotation(OnStopped.class, procNode.getProcessor(), processContext);
diff --git a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/processor/SimpleProcessLogger.java b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/processor/SimpleProcessLogger.java
index 25d8f10fe3..0a345a095f 100644
--- a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/processor/SimpleProcessLogger.java
+++ b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/processor/SimpleProcessLogger.java
@@ -243,7 +243,7 @@ public class SimpleProcessLogger implements ProcessorLog {
         for (int i = 0; i < os.length; i++) {
             modifiedArgs[i + 1] = os[i];
         }
-        modifiedArgs[modifiedArgs.length - 1] = t.toString();
+        modifiedArgs[modifiedArgs.length - 1] = (t == null) ? "" : t.toString();
 
         return modifiedArgs;
     }