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修复 saveETagIndex 可能写入不全的问题

This commit is contained in:
Zkitefly 2024-08-23 01:40:34 +00:00
parent d507998e79
commit b5f2b52941
1 changed files with 6 additions and 2 deletions
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8
FCLCore/src/main/java/com/tungsten/fclcore/util/CacheRepository.java
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@ -294,8 +294,12 @@ public class CacheRepository {
ETagIndex indexOnDisk = JsonUtils.fromMaybeMalformedJson(new String(IOUtils.readFullyWithoutClosing(Channels.newInputStream(channel)), UTF_8), ETagIndex.class);
Map<String, ETagItem> newIndex = joinETagIndexes(indexOnDisk == null ? null : indexOnDisk.eTag, index.values());
channel.truncate(0);
ETagIndex writeTo = new ETagIndex(newIndex.values());
channel.write(ByteBuffer.wrap(JsonUtils.GSON.toJson(writeTo).getBytes(UTF_8)));
ByteBuffer writeTo = ByteBuffer.wrap(JsonUtils.GSON.toJson(new ETagIndex(newIndex.values())).getBytes(UTF_8));
while (writeTo.hasRemaining()) {
if (channel.write(writeTo) == 0) {
throw new IOException("No value is written");
}
}
this.index = newIndex;
} finally {
lock.release();