Try flushing instead of closing.

nedtwigg · nedtwigg · commit bd113c2930dd · 2024-06-04T00:43:07.000-07:00
diff --git a/lib/src/main/java/com/diffplug/spotless/ProcessRunner.java b/lib/src/main/java/com/diffplug/spotless/ProcessRunner.java
@@ -163,6 +163,7 @@ public LongRunningProcess start(@Nullable File cwd, @Nullable Map<String, String
 		}
 		// write stdin
 		process.getOutputStream().write(stdin);
+		process.getOutputStream().flush();
 		return new LongRunningProcess(process, args, outputFut, errorFut);
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -163,6 +163,7 @@ public LongRunningProcess start(@Nullable File cwd, @Nullable Map<String, String`
`163`	`163`	`}`
`164`	`164`	`// write stdin`
`165`	`165`	`process.getOutputStream().write(stdin);`
	`166`	`+ process.getOutputStream().flush();`
`166`	`167`	`return new LongRunningProcess(process, args, outputFut, errorFut);`
`167`	`168`	`}`
`168`	`169`