BuildCheckpoints: Fix possible resource leak.

juzix-kelvin · Jul 29, 2017 · 759156c · 759156c
1 parent 40c26b5
commit 759156c
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/tools/src/main/java/org/bitcoinj/tools/BuildCheckpoints.java b/tools/src/main/java/org/bitcoinj/tools/BuildCheckpoints.java
@@ -211,7 +211,14 @@ private static void writeTextualCheckpoints(TreeMap<Integer, StoredBlock> checkp
     }
 
     private static void sanityCheck(File file, int expectedSize) throws IOException {
-        CheckpointManager manager = new CheckpointManager(params, new FileInputStream(file));
+        FileInputStream fis = new FileInputStream(file);
+        CheckpointManager manager;
+        try {
+            manager = new CheckpointManager(params, fis);
+        } finally {
+            fis.close();
+        }
+
         checkState(manager.numCheckpoints() == expectedSize);
 
         if (params.getId().equals(NetworkParameters.ID_MAINNET)) {