zhannngchen opened a new pull request, #21751:
URL: https://github.com/apache/doris/pull/21751
## Proposed changes
Issue Number: close #xxx
Fix core
```
(gdb) bt
#0 0x0000556ab7d8a099 in std::__shared_ptr<doris::RowsetMeta,
(__gnu_cxx::_Lock_policy)2>::get (this=0x68)
at
/mnt/disk2/zhangchen/env/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:1291
#1 std::__shared_ptr_access<doris::RowsetMeta, (__gnu_cxx::_Lock_policy)2,
false, false>::_M_get (this=0x68)
at
/mnt/disk2/zhangchen/env/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:990
#2 std::__shared_ptr_access<doris::RowsetMeta, (__gnu_cxx::_Lock_policy)2,
false, false>::operator-> (this=0x68)
at
/mnt/disk2/zhangchen/env/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:984
#3 doris::Rowset::merge_rowset_meta (this=0x7f31ec3a3de0, other=<error
reading variable: Cannot access memory at address 0x70>) at
/mnt/disk2/zhangchen/doris-dev/be/src/olap/rowset/rowset.cpp:85
#4 0x0000556ab803f2bd in doris::TxnManager::publish_txn
(this=0x7f32fa9f7b40, meta=0x7f32fd871a60, partition_id=14635,
transaction_id=55775, tablet_id=14664, schema_hash=650230612, tablet_uid=...,
version=...,
stats=0x7f32fbe54738) at
/mnt/disk2/zhangchen/doris-dev/be/src/olap/txn_manager.cpp:390
#5 0x0000556ab803e284 in doris::TxnManager::publish_txn (this=0x68,
partition_id=1, tablet=..., transaction_id=0, version=...,
stats=0x7f32fbe54738) at
/mnt/disk2/zhangchen/doris-dev/be/src/olap/txn_manager.cpp:174
#6 0x0000556ab802be93 in doris::TabletPublishTxnTask::handle
(this=0x7f32fbe546d0) at
/mnt/disk2/zhangchen/doris-dev/be/src/olap/task/engine_publish_version_task.cpp:262
#7 0x0000556ab82a957f in doris::ThreadPool::dispatch_thread
(this=0x7f32f98b8400) at
/mnt/disk2/zhangchen/doris-dev/be/src/util/threadpool.cpp:531
#8 0x0000556ab82a06cc in std::function<void ()>::operator()() const
(this=0x7f31ec3a3de0)
at
/mnt/disk2/zhangchen/env/ldb_toolchain/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/std_function.h:560
#9 doris::Thread::supervise_thread (arg=0x7f330d24e600) at
/mnt/disk2/zhangchen/doris-dev/be/src/util/thread.cpp:465
#10 0x00007f332753eea5 in __pthread_mutex_unlock_full (mutex=0x7f31ec3a3de0,
decr=104) at pthread_mutex_unlock.c:101
#11 0x0000000000000000 in ?? ()
```
segcompaction failure caused the rowset build failed, then we got an
nullptr, which caused the program coredump
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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