[BugFix] Fix BE crash when schema scan rpc failed (backport #51889) #51909
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## Why I'm doing: in #49318 add a start interface for chunksource. but not check return status. ## What I'm doing: ``` *** Aborted at 1728909404 (unix time) try "date -d @1728909404" if you are using GNU date *** PC: @ 0x6bbdd8b starrocks::SchemaVariablesScanner::fill_chunk(std::shared_ptr<starrocks::Chunk>*) *** SIGSEGV (@0x28) received by PID 1854307 (TID 0x7f0b1bbff640) from PID 40; stack trace: *** @ 0x7f0cb7d89ee8 (/usr/lib/x86_64-linux-gnu/libc.so.6+0x99ee7) @ 0x8f2bb29 google::(anonymous namespace)::FailureSignalHandler(int, siginfo_t*, void*) @ 0x7f0cb7d32520 (/usr/lib/x86_64-linux-gnu/libc.so.6+0x4251f) @ 0x6bbdd8b starrocks::SchemaVariablesScanner::fill_chunk(std::shared_ptr<starrocks::Chunk>*) @ 0x6bbdf4c starrocks::SchemaVariablesScanner::get_next(std::shared_ptr<starrocks::Chunk>*, bool*) @ 0x6bb8d39 starrocks::pipeline::SchemaChunkSource::_read_chunk(starrocks::RuntimeState*, std::shared_ptr<starrocks::Chunk>*) @ 0x4dd429f starrocks::pipeline::ChunkSource::buffer_next_batch_chunks_blocking(starrocks::RuntimeState*, unsigned long, starrocks::workgroup::WorkGroup const*) @ 0x4d1967f auto starrocks::pipeline::ScanOperator::_trigger_next_scan(starrocks::RuntimeState*, int)::{lambda(auto:1&)#1}::operator()<starrocks::workgroup::YieldContext>(starrocks::workgroup::YieldContext&) const [clone .constprop.0] @ 0x4663b9e starrocks::workgroup::ScanExecutor::worker_thread() @ 0x7bb93b2 starrocks::ThreadPool::dispatch_thread() @ 0x7bb16a9 starrocks::Thread::supervise_thread(void*) @ 0x7f0cb7d84ac3 (/usr/lib/x86_64-linux-gnu/libc.so.6+0x94ac2) @ 0x7f0cb7e16850 (/usr/lib/x86_64-linux-gnu/libc.so.6+0x12684f) ``` Signed-off-by: stdpain <[email protected]> (cherry picked from commit b2a4c8a)
24 tasks
stdpain
approved these changes
Oct 15, 2024
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Why I'm doing:
in #49318 add a start interface for chunksource. but not check return status.
What I'm doing:
What type of PR is this:
Does this PR entail a change in behavior?
If yes, please specify the type of change:
Checklist:
Bugfix cherry-pick branch check:
This is an automatic backport of pull request #51889 done by [Mergify](https://mergify.com). ## Why I'm doing:
in #49318 add a start interface for chunksource. but not check return status.
What I'm doing:
What type of PR is this:
Does this PR entail a change in behavior?
If yes, please specify the type of change:
Checklist: