Segmentation faults when doing proxy settings using service client API

I did the proxy settings in echo sample

gdb session:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1213024576 (LWP 29185)]

0x37363636 in ?? ()
(gdb) bt
#0 0x37363636 in ?? ()
#1 0xb7ed6e32 in axutil_generic_obj_free (generic_obj=0x80492ab, env=0x804b1f0) at generic_obj.c:57
#2 0xb7ed5297 in axutil_param_free (param=0x80f1868, env=0x804b1f0) at param.c:253
#3 0xb7ed5563 in axutil_param_container_free (param_container=0x8062448, env=0x804b1f0) at param_container.c:75
#4 0xb7e6b4ce in axis2_transport_out_desc_free (transport_out=0x8062458, env=0x804b1f0) at transport_out_desc.c:81
#5 0xb7e58d92 in axis2_conf_free (conf=0x804ba50, env=0x804b1f0) at conf.c:316
#6 0xb7e81eef in axis2_conf_ctx_free (conf_ctx=0x80edbe0, env=0x804b1f0) at conf_ctx.c:430
#7 0xb7e89fda in axis2_svc_client_free (svc_client=0x804b390, env=0x804b1f0) at svc_client.c:1168
#8 0x08048efb in main (argc=1, argv=0xbfbb62a4) at echo.c:146
(gdb)