Fixed root workflow thread names and removed excessive error logging

build.gradle

@@ -300,8 +300,8 @@ publishing {
 nexusPublishing {
     repositories {
         sonatype {
-            username = hasProperty('ossrhUsername') ? ossrhUsername : ''
-            password = hasProperty('ossrhPassword') ? ossrhPassword : ''
+            username = project.hasProperty('ossrhUsername') ? project.property('ossrhUsername') : ''
+            password = project.hasProperty('ossrhPassword') ? project.property('ossrhPassword') : ''
             nexusUrl = uri("https://oss.sonatype.org/service/local/staging/deploy/maven2/")
             snapshotRepositoryUrl = uri("https://oss.sonatype.org/content/repositories/snapshots/")
         }

src/main/java/io/temporal/activity/ActivityOptions.java

@@ -176,12 +176,6 @@ public ActivityOptions build() {
     }
 
     public ActivityOptions validateAndBuildWithDefaults() {
-      if (scheduleToCloseTimeout == null
-          && (scheduleToStartTimeout == null || startToCloseTimeout == null)) {
-        throw new IllegalStateException(
-            "Either ScheduleToClose or both ScheduleToStart and StartToClose "
-                + "timeouts are required: ");
-      }
       return new ActivityOptions(
           heartbeatTimeout,
           scheduleToCloseTimeout,

src/main/java/io/temporal/internal/sync/DeterministicRunner.java

@@ -55,9 +55,11 @@ static DeterministicRunner newRunner(
       ExecutorService threadPool,
       SyncDecisionContext decisionContext,
       Supplier<Long> clock,
+      String rootThreadName,
       Runnable root,
       DeciderCache cache) {
-    return new DeterministicRunnerImpl(threadPool, decisionContext, clock, root, cache);
+    return new DeterministicRunnerImpl(
+        threadPool, decisionContext, clock, rootThreadName, root, cache);
   }
 
   /**
@@ -72,8 +74,10 @@ static DeterministicRunner newRunner(
       ExecutorService threadPool,
       SyncDecisionContext decisionContext,
       Supplier<Long> clock,
+      String rootThreadName,
       Runnable root) {
-    return new DeterministicRunnerImpl(threadPool, decisionContext, clock, root, null);
+    return new DeterministicRunnerImpl(
+        threadPool, decisionContext, clock, rootThreadName, root, null);
   }
 
   /**

src/main/java/io/temporal/internal/sync/DeterministicRunnerImpl.java

@@ -89,7 +89,7 @@ private NamedRunnable(String name, Runnable runnable) {
   }
 
   private static final Logger log = LoggerFactory.getLogger(DeterministicRunnerImpl.class);
-  static final String WORKFLOW_ROOT_THREAD_NAME = "workflow-root";
+  static final String WORKFLOW_ROOT_THREAD_NAME = "workflow-method";
   private static final ThreadLocal<WorkflowThread> currentThreadThreadLocal = new ThreadLocal<>();
 
   private final Lock lock = new ReentrantLock();
@@ -158,7 +158,13 @@ static void setCurrentThreadInternal(WorkflowThread coroutine) {
   }
 
   DeterministicRunnerImpl(Supplier<Long> clock, Runnable root) {
-    this(getDefaultThreadPool(), newDummySyncDecisionContext(), clock, root, null);
+    this(
+        getDefaultThreadPool(),
+        newDummySyncDecisionContext(),
+        clock,
+        WORKFLOW_ROOT_THREAD_NAME,
+        root,
+        null);
   }
 
   private static ThreadPoolExecutor getDefaultThreadPool() {
@@ -173,13 +179,14 @@ private static ThreadPoolExecutor getDefaultThreadPool() {
       SyncDecisionContext decisionContext,
       Supplier<Long> clock,
       Runnable root) {
-    this(threadPool, decisionContext, clock, root, null);
+    this(threadPool, decisionContext, clock, WORKFLOW_ROOT_THREAD_NAME, root, null);
   }
 
   DeterministicRunnerImpl(
       ExecutorService threadPool,
       SyncDecisionContext decisionContext,
       Supplier<Long> clock,
+      String rootName,
       Runnable root,
       DeciderCache cache) {
     this.threadPool = threadPool;
@@ -386,8 +393,7 @@ public void close() {
           throw new Error("unreachable");
         } catch (RuntimeException e) {
           log.warn(
-              "Promise that was completedExceptionally was never accessed. "
-                  + "The ignored exception:",
+              "Promise completed with exception and was never accessed. The ignored exception:",
               CheckedExceptionWrapper.unwrap(e));
         }
       }

src/main/java/io/temporal/internal/sync/SyncWorkflow.java

@@ -112,9 +112,14 @@ public void start(HistoryEvent event, DecisionContext context) {
             threadPool,
             syncContext,
             context::currentTimeMillis,
+            "interceptor-init",
             () -> {
               workflow.initialize();
-              WorkflowInternal.newThread(false, "root", () -> workflowProc.run()).start();
+              WorkflowInternal.newThread(
+                      false,
+                      DeterministicRunnerImpl.WORKFLOW_ROOT_THREAD_NAME,
+                      () -> workflowProc.run())
+                  .start();
             },
             cache);
     runner.setInterceptorHead(syncContext.getWorkflowInterceptor());

src/main/java/io/temporal/internal/sync/WorkflowThreadImpl.java

@@ -108,15 +108,6 @@ public void run() {
           threadContext.setUnhandledException(e);
         }
       } catch (Error e) {
-        // Error aborts decision, not fails the workflow.
-        if (log.isErrorEnabled() && !root) {
-          StringWriter sw = new StringWriter();
-          PrintWriter pw = new PrintWriter(sw, true);
-          e.printStackTrace(pw);
-          String stackTrace = sw.getBuffer().toString();
-          log.error(
-              String.format("Workflow thread \"%s\" run failed with Error:\n%s", name, stackTrace));
-        }
         threadContext.setUnhandledException(e);
       } catch (CanceledFailure e) {
         if (!isCancelRequested()) {
@@ -126,16 +117,6 @@ public void run() {
           log.debug(String.format("Workflow thread \"%s\" run cancelled", name));
         }
       } catch (Throwable e) {
-        if (log.isWarnEnabled() && !root) {
-          StringWriter sw = new StringWriter();
-          PrintWriter pw = new PrintWriter(sw, true);
-          e.printStackTrace(pw);
-          String stackTrace = sw.getBuffer().toString();
-          log.warn(
-              String.format(
-                  "Workflow thread \"%s\" run failed with unhandled exception:\n%s",
-                  name, stackTrace));
-        }
         threadContext.setUnhandledException(e);
       } finally {
         DeterministicRunnerImpl.setCurrentThreadInternal(null);

src/test/java/io/temporal/internal/sync/DeterministicRunnerTest.java

@@ -733,6 +733,7 @@ public void workflowThreadsWillEvictCacheWhenMaxThreadCountIsHit() throws Throwa
             new SyncDecisionContext(
                 decisionContext, DataConverter.getDefaultInstance(), null, null),
             () -> 0L, // clock override
+            "test-thread",
             () -> {
               Promise<Void> thread =
                   Async.procedure(
@@ -759,6 +760,7 @@ public void workflowThreadsWillEvictCacheWhenMaxThreadCountIsHit() throws Throwa
             new SyncDecisionContext(
                 decisionContext, DataConverter.getDefaultInstance(), null, null),
             () -> 0L, // clock override
+            "test-thread",
             () -> {
               Promise<Void> thread =
                   Async.procedure(
@@ -796,6 +798,7 @@ public void workflowThreadsWillNotEvictCacheWhenMaxThreadCountIsHit() throws Thr
             threadPool,
             null,
             () -> 0L, // clock override
+            "test-thread",
             () -> {
               Promise<Void> thread =
                   Async.procedure(
@@ -821,6 +824,7 @@ public void workflowThreadsWillNotEvictCacheWhenMaxThreadCountIsHit() throws Thr
             threadPool,
             null,
             () -> 0L, // clock override
+            "test-thread",
             () -> {
               Promise<Void> thread =
                   Async.procedure(

src/test/java/io/temporal/internal/sync/PromiseTest.java

@@ -154,6 +154,7 @@ public void testGetTimeout() throws Throwable {
             threadPool,
             null,
             () -> currentTime,
+            "test-thread",
             () -> {
               CompletablePromise<String> f = Workflow.newPromise();
               trace.add("root begin");

src/test/java/io/temporal/worker/StickyWorkerTest.java

@@ -430,7 +430,7 @@ public void whenCacheIsEvictedTheWorkerCanRecover() throws Exception {
     // Act
     WorkflowClient.start(workflow::getGreeting);
 
-    Thread.sleep(200); // Wait for workflow to start
+    Thread.sleep(1000); // Wait for workflow to start
 
     DeciderCache cache = factory.getCache();
     assertNotNull(cache);

src/test/java/io/temporal/workflow/WorkflowTest.java

@@ -459,7 +459,7 @@ public void testSync() {
     assertEquals("activity10", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "newThread null",
         "sleep PT2S",
         "executeActivity ActivityWithDelay",
@@ -1499,19 +1499,19 @@ public void testContinueAsNew() {
     assertEquals(111, result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "continueAsNew",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "continueAsNew",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "continueAsNew",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "continueAsNew",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root");
+        "newThread workflow-method");
   }
 
   @WorkflowInterface
@@ -1546,10 +1546,10 @@ public void testContinueAsNewNoArgs() {
     assertEquals("done", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "continueAsNew",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root");
+        "newThread workflow-method");
   }
 
   public static class TestAsyncActivityWorkflowImpl implements TestWorkflow1 {
@@ -2369,15 +2369,15 @@ public void testTimer() {
       tracer.setExpected(
           "interceptExecuteWorkflow " + UUID_REGEXP,
           "registerQuery getTrace",
-          "newThread root",
+          "newThread workflow-method",
           "newTimer PT0.7S",
           "newTimer PT1.3S",
           "newTimer PT10S");
     } else {
       tracer.setExpected(
           "interceptExecuteWorkflow " + UUID_REGEXP,
           "registerQuery getTrace",
-          "newThread root",
+          "newThread workflow-method",
           "newTimer PT11M40S",
           "newTimer PT21M40S",
           "newTimer PT10H");
@@ -3482,10 +3482,10 @@ public void testSignalExternalWorkflow() {
     tracer.setExpected(
         "interceptExecuteWorkflow " + stub.getExecution().getWorkflowId(),
         "registerSignal testSignal",
-        "newThread root",
+        "newThread workflow-method",
         "executeChildWorkflow SignalingChild",
         "interceptExecuteWorkflow " + UUID_REGEXP, // child
-        "newThread root",
+        "newThread workflow-method",
         "signalExternalWorkflow " + UUID_REGEXP + " testSignal");
   }
 
@@ -4573,7 +4573,7 @@ public void testSideEffect() {
     assertEquals("activity1", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "sideEffect",
         "sleep PT1S",
         "executeActivity customActivity1");
@@ -4671,7 +4671,7 @@ public void testGetVersion() {
     assertEquals("activity22activity1activity1activity1", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "getVersion",
         "executeActivity Activity2",
         "getVersion",
@@ -4984,7 +4984,7 @@ public void testGetVersionRemovedInReplay() {
     assertEquals("activity22activity", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "getVersion",
         "executeActivity Activity2",
         "executeActivity Activity");
@@ -5022,7 +5022,7 @@ public void testGetVersionRemovedBefore() {
     assertEquals("activity", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "getVersion",
         "getVersion",
         "getVersion",
@@ -5225,7 +5225,7 @@ public void testUUIDAndRandom() {
     assertEquals("foo10", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "sideEffect",
         "sideEffect",
         "executeActivity Activity2");
@@ -5934,15 +5934,15 @@ public void testSaga() {
     sagaWorkflow.execute(taskList, false);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "executeActivity customActivity1",
         "executeChildWorkflow TestMultiargsWorkflowsFunc",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "executeActivity ThrowIO",
         "executeChildWorkflow TestCompensationWorkflow",
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "executeActivity Activity2");
   }
 
@@ -6063,7 +6063,7 @@ public void testUpsertSearchAttributes() {
     assertEquals("done", result);
     tracer.setExpected(
         "interceptExecuteWorkflow " + UUID_REGEXP,
-        "newThread root",
+        "newThread workflow-method",
         "upsertSearchAttributes",
         "executeActivity Activity");
   }