Crash in libcouchbase 2.3.0

I have 2-node claster and if all nodes are in pending state and I try to set some data to claster
my application crashes with such stack:
(gdb) bt
#0 0x0000003435c0e9dd in raise () from /lib64/libpthread.so.0
#1 0x00002b887dc2c5b6 in skgesigOSCrash () from /u01/app/oracle/product/11.2.0/client/lib/libclntsh.so.11.1
#2 0x00002b887deca609 in kpeDbgSignalHandler () from /u01/app/oracle/product/11.2.0/client/lib/libclntsh.so.11.1
#3 0x00002b887dc2c7c6 in skgesig_sigactionHandler () from /u01/app/oracle/product/11.2.0/client/lib/libclntsh.so.11.1
#4 <signal handler called>
#5 0x0000003435030265 in raise () from /lib64/libc.so.6
#6 0x0000003435031d10 in abort () from /lib64/libc.so.6
#7 0x00002b88814980a5 in ringbuffer_consumed (buffer=0x7073, nb=30646) at src/ringbuffer.c:263
#8 0x00002b888149a00c in lcb_purge_single_server (server=0x1daa9168, error=LCB_ETIMEDOUT) at src/server.c:330
#9 0x00002b888149d927 in lcb_server_timeout_handler (sock=<optimized out>, which=<optimized out>, arg=0x6) at src/timeout.c:38
#10 0x00002b8884e49348 in event_base_loop () from /import/home/hasg_test/IBES_INSTANCE/Linux/5.0/i686/HAS_SERVER_051.10__0/64/bin/lib/libevent-2.0.so.5
#11 0x00002b888149e893 in lcb_wait (instance=0x1db96800) at src/wait.c:60
#12 0x00000000004312d0 in Couchbase::set_values (this=0x1d731568, elements=..., timeout=100) at couchbase_loader_source/couchbase.cpp:268
#13 0x000000000043e9e1 in couchbase_loader::writer_thread::execute (this=0x1d7314e0) at couchbase_loader_source/writer_thread.cpp:49
#14 0x00002b88836a48d3 in threads::thread_proc(void*) () from /import/home/hasg_test/IBES_INSTANCE/Linux/5.0/i686/HAS_SERVER_051.10__0/64/bin/libhas_common.so
#15 0x0000003435c0673d in start_thread () from /lib64/libpthread.so.0
#16 0x00000034350d40cd in clone () from /lib64/libc.so.6
#17 0x0000000000000000 in ?? ()