Ignore exceptions from removing shutdown hooks during shutdown.

PiperOrigin-RevId: 413385002
Bencodes · Dec 1, 2021 · 9ee1362 · 9ee1362
1 parent aa52f2d
commit 9ee1362
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/main/java/com/google/devtools/build/lib/worker/SingleplexWorker.java b/src/main/java/com/google/devtools/build/lib/worker/SingleplexWorker.java
@@ -155,7 +155,11 @@ void destroy() {
       workerProtocol = null;
     }
     if (shutdownHook != null) {
-      Runtime.getRuntime().removeShutdownHook(shutdownHook);
+      try {
+        Runtime.getRuntime().removeShutdownHook(shutdownHook);
+      } catch (IllegalStateException e) {
+        // Can only happen if we're already in shutdown, in which case we don't care.
+      }
     }
     if (process != null) {
       wasDestroyed = true;