Fix potential NPE when write FileTimeIndexCache (apache#13583)

* Ignore the acceptable NPE then write FileTimeIndexCache * add channal != null
YC27 · Sep 24, 2024 · 24d1191 · 24d1191
1 parent cb4befc
commit 24d1191
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/.../iotdb/db/storageengine/dataregion/utils/fileTimeIndexCache/FileTimeIndexCacheWriter.java b/.../iotdb/db/storageengine/dataregion/utils/fileTimeIndexCache/FileTimeIndexCacheWriter.java
@@ -57,9 +57,11 @@ public void write(ByteBuffer logBuffer) throws IOException {
         // For UT env, logFile may not be created
         return;
       }
-      channel.write(logBuffer);
-      if (this.forceEachWrite) {
-        channel.force(true);
+      if (channel != null && channel.isOpen()) {
+        channel.write(logBuffer);
+        if (this.forceEachWrite) {
+          channel.force(true);
+        }
       }
     } catch (ClosedChannelException ignored) {
       logger.warn("someone interrupt current thread, so no need to do write for io safety");