Merge pull request real-logic#780 from real-logic/force_print_excepti…

…on_to_System_err [Java] Enforce stacktrace printing to `System.err`
Abc-Arbitrage · Dec 10, 2019 · 76d0d5c · 76d0d5c
2 parents 80736ff + 2714bb2
commit 76d0d5c
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/aeron-client/src/main/java/io/aeron/Aeron.java b/aeron-client/src/main/java/io/aeron/Aeron.java
@@ -521,14 +521,15 @@ public static class Configuration
         public static final ErrorHandler DEFAULT_ERROR_HANDLER =
             (throwable) ->
             {
-                synchronized (System.err)
+                final PrintStream err = System.err;
+                synchronized (err)
                 {
-                    System.err.println(System.currentTimeMillis() + " Exception:");
-                    throwable.printStackTrace();
+                    err.println(System.currentTimeMillis() + " Exception:");
+                    throwable.printStackTrace(err);
                 }
                 if (throwable instanceof DriverTimeoutException)
                 {
-                    System.err.printf(
+                    err.printf(
                         "%n***%n*** timeout for the Media Driver - is it currently running? exiting%n***%n");
                     System.exit(-1);
                 }