Server crashes on the second call to service struct create

When I send a second request to create a service struct instance using the create function got from the service DLL, the server crashes. See the below trace:

Breakpoint 1, axis2_class_loader_create_dll (env=0xbf8db774, impl_info_param=0x979a240) at class_loader.c:105
105 create_funct = AXIS2_DLL_DESC_GET_CREATE_FUNCT(dll_desc, env);
(gdb) n
107 if (!create_funct)
(gdb) n
110 dll_type = AXIS2_DLL_DESC_GET_TYPE(dll_desc, env);
(gdb) n
111 if(AXIS2_SVC_DLL == dll_type)
(gdb)
113 create_funct(&svc_skeli, env);
(gdb)

Program received signal SIGSEGV, Segmentation fault.
0x0060417b in nullserv () from /lib/libc.so.6
(gdb) bt
#0 0x0060417b in nullserv () from /lib/libc.so.6
#1 0x00b9163f in axis2_class_loader_create_dll (env=0xbf8db774, impl_info_param=0x979a240) at class_loader.c:113
#2 0x00b9e2c2 in axis2_msg_recv_make_new_svc_obj (msg_recv=0x979b530, env=0xbf8db774, msg_ctx=0x97b7f40)
at msg_recv.c:182
#3 0x00b9e64f in axis2_msg_recv_get_impl_obj (msg_recv=0x979b530, env=0xbf8db774, msg_ctx=0x97b7f40) at msg_recv.c:256
#4 0x00b9eaca in axis2_raw_xml_in_out_msg_recv_invoke_business_logic (msg_recv=0x979b530, env=0xbf8db774,
msg_ctx=0x97b7f40, new_msg_ctx=0x97be9f8) at raw_xml_in_out_msg_recv.c:88
#5 0x00b9f241 in axis2_raw_xml_in_out_msg_recv_receive (msg_recv=0x979b530, env=0xbf8db774, msg_ctx=0x97b7f40)
at raw_xml_in_out_msg_recv.c:258
#6 0x0090d588 in axis2_engine_receive (engine=0x97bde08, env=0xbf8db774, msg_ctx=0x97b7f40) at engine.c:326
#7 0x0096a558 in axis2_http_transport_utils_process_http_post_request (env=0xbf8db774, msg_ctx=0x97b7f40,
in_stream=0x97b0328, out_stream=0x97b7c20, content_type=0x97b7bb0 " application/soap+xml;\r\n", content_length=1174,
soap_action_header=0x0, request_uri=0x97b7bd0 "/axis2/services/echo/echo") at http_transport_utils.c:230
#8 0x00969545 in axis2_http_worker_process_request (http_worker=0x97ae178, env=0xbf8db774, svr_conn=0x97ade40,
simple_request=0x97b6f18) at http_worker.c:272
#9 0x00148310 in axis2_http_svr_thread_run (svr_thread=0x97adff8, env=0xbf8db774) at http_svr_thread.c:174
#10 0x001491ab in axis2_http_server_start (server=0x976c078, env=0xbf8db774) at http_server.c:191
#11 0x08048be1 in main (argc=1, argv=0xbf8db814) at http_server_main.c:101