chore: Fix bug, return type is required

Signed-off-by: Javier Aliaga <javier@diagrid.io>

Author: javier-aliaga

durabletask-client/src/main/java/io/dapr/durabletask/TaskOrchestrationContext.java

@@ -411,7 +411,7 @@ default Task<Void> callSubOrchestrator(String name) {
    * @return a new {@link Task} that completes when the sub-orchestration completes or fails
    */
   default Task<Void> callSubOrchestrator(String name, Object input) {
-    return this.callSubOrchestrator(name, input, null);
+    return this.callSubOrchestrator(name, input, Void.class);
   }
 
   /**

durabletask-client/src/main/java/io/dapr/durabletask/TaskOrchestrationExecutor.java

@@ -103,7 +103,7 @@ public TaskOrchestratorResult execute(List<OrchestratorService.HistoryEvent> pas
     } catch (Exception e) {
       // The orchestrator threw an unhandled exception - fail it
       // TODO: What's the right way to log this?
-      logger.warning("The orchestrator failed with an unhandled exception: " + e.toString());
+      logger.warning("The orchestrator failed with an unhandled exception: " + e);
       context.fail(new FailureDetails(e));
     }
 

sdk-workflows/src/main/java/io/dapr/workflows/WorkflowContext.java

@@ -20,7 +20,6 @@
 import org.slf4j.Logger;
 
 import javax.annotation.Nullable;
-
 import java.time.Duration;
 import java.time.Instant;
 import java.time.ZonedDateTime;
@@ -383,7 +382,7 @@ default Task<Void> callChildWorkflow(String name) {
    * @return a new {@link Task} that completes when the child-workflow completes or fails
    */
   default Task<Void> callChildWorkflow(String name, Object input) {
-    return this.callChildWorkflow(name, input, null);
+    return this.callChildWorkflow(name, input, Void.class);
   }
 
   /**