fix NPE in MultiplayerManager

2021-12-18 11:40:58 +08:00
parent 113f4f948b
commit eac8896f3e
1 changed files with 2 additions and 1 deletions
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerManager.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/multiplayer/MultiplayerManager.java
@@ -400,7 +400,8 @@ public final class MultiplayerManager {
                onExit.fireEvent(new CatoExitEvent(this, CatoExitEvent.EXIT_CODE_INTERRUPTED));
            } finally {
                try {
-                    writer.close();
+                    if (writer != null)
+                        writer.close();
                } catch (IOException e) {
                    LOG.log(Level.WARNING, "Failed to close cato stdin writer", e);
                }