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Posted to commits@iotdb.apache.org by qi...@apache.org on 2022/02/10 09:51:58 UTC
[iotdb] branch master updated: [IOTDB-2526] Fix NPE when setting meta_data_cache_enable=false (#5029)
This is an automated email from the ASF dual-hosted git repository.
qiaojialin pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/master by this push:
new 38eaf0e [IOTDB-2526] Fix NPE when setting meta_data_cache_enable=false (#5029)
38eaf0e is described below
commit 38eaf0ebd51b250ba6e66cb93c25680574d8c5dc
Author: Jackie Tien <ja...@gmail.com>
AuthorDate: Thu Feb 10 17:51:15 2022 +0800
[IOTDB-2526] Fix NPE when setting meta_data_cache_enable=false (#5029)
---
.../org/apache/iotdb/db/engine/cache/TimeSeriesMetadataCache.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/server/src/main/java/org/apache/iotdb/db/engine/cache/TimeSeriesMetadataCache.java b/server/src/main/java/org/apache/iotdb/db/engine/cache/TimeSeriesMetadataCache.java
index 63d2f56..7b4a51c 100644
--- a/server/src/main/java/org/apache/iotdb/db/engine/cache/TimeSeriesMetadataCache.java
+++ b/server/src/main/java/org/apache/iotdb/db/engine/cache/TimeSeriesMetadataCache.java
@@ -157,7 +157,9 @@ public class TimeSeriesMetadataCache {
}
TimeseriesMetadata timeseriesMetadata =
reader.readTimeseriesMetadata(new Path(key.device, key.measurement), false);
- return timeseriesMetadata.getStatistics().getCount() == 0 ? null : timeseriesMetadata;
+ return (timeseriesMetadata == null || timeseriesMetadata.getStatistics().getCount() == 0)
+ ? null
+ : timeseriesMetadata;
}
TimeseriesMetadata timeseriesMetadata = lruCache.getIfPresent(key);