Pavel Moravec created QPID-6232:
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Summary: [C++ broker] Linearstore segfaults when ulimit prevents
creating new file in EFP
Key: QPID-6232
URL: https://issues.apache.org/jira/browse/QPID-6232
Project: Qpid
Issue Type: Bug
Components: C++ Broker
Affects Versions: 0.30
Reporter: Pavel Moravec
Assignee: Pavel Moravec
Priority: Minor
When EFP fails to open a new file (i.e. due to ulimit to nofiles), linearstore
segfaults with backtrace:
#0 0x00000034d429c1b9 in std::basic_string<char, std::char_traits<char>,
std::allocator<char> >::rfind(char, unsigned long) const () from
/usr/lib64/libstdc++.so.6
#1 0x00007fe466719b50 in
qpid::linearstore::journal::EmptyFilePool::takeEmptyFile (this=0xddb540,
destDirectory="/var/lib/qpidd/qls/jrnl/Durable_4_8")
at
/usr/src/debug/qpid-0.22/cpp/src/qpid/linearstore/journal/EmptyFilePool.cpp:109
#2 0x00007fe4667327a0 in
qpid::linearstore::journal::LinearFileController::pullEmptyFileFromEfp
(this=0x3478288)
at
/usr/src/debug/qpid-0.22/cpp/src/qpid/linearstore/journal/LinearFileController.cpp:239
#3 0x00007fe466748bfd in qpid::linearstore::journal::wmgr::flush_check
(this=0x34784f8, res=@0x7fe462f55f90, cont=@0x7fe462f55f9f,
done=@0x7fe462f55f9c)
at /usr/src/debug/qpid-0.22/cpp/src/qpid/linearstore/journal/wmgr.cpp:651
#4 0x00007fe46674c134 in qpid::linearstore::journal::wmgr::enqueue
(this=0x34784f8, data_buff=<value optimized out>, tot_data_len=177,
this_data_len=<value optimized out>, dtokp=
0x7fe3e583ed60, xid_ptr=0x0, xid_len=0, tpc_flag=false, transient=false,
external=false) at
/usr/src/debug/qpid-0.22/cpp/src/qpid/linearstore/journal/wmgr.cpp:223
The problem is EmptyFilePool::overwriteFileContents does not react anyhow if
ofs.good() is false.
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