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22098c1785
Related to #45157 Fix a bug where DataNode panics when building json stats index throws an exception before the writer is initialized. The destructor would call Close() on an uninitialized packed_writer_ pointer, causing a null pointer dereference. Changes: - Add null check for packed_writer_ before calling Flush() and Close() - Prevents null pointer dereference in edge cases - Ignore close status as this is a cleanup operation This ensures safe cleanup even when initialization fails due to exceptions. Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>