eldenmoon opened a new pull request, #35546:
URL: https://github.com/apache/doris/pull/35546
in some senario empty key will cause crash like
```
*** tablet *** SIGSEGV unknown detail explain (@0x0) received by PID 1527747
(
TID 1544788 OR 0x7f3302988700) from PID 0; stack trace: ***
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*
, void*) at /mnt/disk2/lihangyu/doris/be/src/common/signal_handler.h:429
1# 0x00007F4880A12B50 in /lib64/libc.so.6
2# doris::vectorized::PathInDataBuilder::append(std::basic_string_view<char,
std::char_traits<char> >, bool) at
/mnt/disk2/lihangyu/doris/be/src/vec/json/p
ath_in_data.cpp:193
3# doris::vectorized::JSONDataParser<doris::vectorized::SimdJSONParser,
false
>::traverseObject(doris::vectorized::SimdJSONParser::Object const&,
doris::vec
torized::JSONDataParser<doris::vectorized::SimdJSONParser,
false>::ParseContex
t&) at /mnt/disk2/lihangyu/doris/be/src/vec/json/json_parser.cpp:121
4# doris::vectorized::JSONDataParser<doris::vectorized::SimdJSONParser,
false
>::traverse(doris::vectorized::SimdJSONParser::Element const&,
doris::vectoriz
ed::JSONDataParser<doris::vectorized::SimdJSONParser, false>::ParseContext&)
a
t /mnt/disk2/lihangyu/doris/be/src/vec/json/json_parser.cpp:95
5# doris::vectorized::JSONDataParser<doris::vectorized::SimdJSONParser,
false
>::parse(char const*, unsigned long) at
/mnt/disk2/lihangyu/doris/be/src/vec/j
son/json_parser.cpp:81
```
## Proposed changes
Issue Number: close #xxx
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