FYI.
If I comment the apr_pool_clear() call, I didn't get the initialisation error
2009/5/12 Henri Gomez <henri.gomez@gmail.com>:
> Hi to all,
>
> I rebuild the mod_jk 1.2.28 on our i5/OS and Apache instance failed.
>
> Here is the stack trace :
>
> 00000009:259448 Stack: Library / Program Module Stmt
> Procedure
> 00000009:259488 Stack: QSYS / QCMD 455 :
> 00000009:259520 Stack: QHTTPSVR / QZHBMAIN ZHBMAIN 0 :
> _CXX_PEP__Fv
> 00000009:259552 Stack: QHTTPSVR / QZHBMAIN ZHBMAIN 18 :
> main
> 00000009:259576 Stack: QHTTPSVR / QZHBMAIN ZHBMAIN 234 :
> BigSwitch__FiPPc
> 00000009:259608 Stack: QHTTPSVR / QZSRHTTP QZSRMAIN 0 :
> _CXX_PEP__Fv
> 00000009:259640 Stack: QHTTPSVR / QZSRHTTP QZSRMAIN 2 :
> main
> 00000009:267440 Stack: QHTTPSVR / QZSRCORE MAIN 868 :
> apache_main
> 00000009:287992 Stack: QHTTPSVR / QZSRCORE HTTP_CONFI 5 :
> ap_run_post_config
> 00000009:288288 Stack: QHTTPSVR / MOD_JK1228 MOD_JK 60 :
> jk_post_config
> 00000009:288320 Stack: QHTTPSVR / MOD_JK1228 MOD_JK 35 :
> init_jk
> 00000009:288688 Stack: QHTTPSVR / MOD_JK1228 JK_WORKER 34 :
> wc_open
> 00000009:288720 Stack: QHTTPSVR / MOD_JK1228 JK_WORKER 9 :
> build_worker_map
> 00000009:296848 Stack: QHTTPSVR / MOD_JK1228 JK_WORKER 28 :
> wc_create_worker
> 00000009:298192 Stack: QHTTPSVR / MOD_JK1228 JK_AJP13_W 5 :
> validate
> 00000009:298208 Stack: QHTTPSVR / MOD_JK1228 JK_AJP_COM 29 :
> ajp_validate
> 00000009:298216 Stack: QHTTPSVR / MOD_JK1228 JK_CONNECT 19 :
> jk_resolve
> 00000009:316840 Stack: QHTTPSVR / QZSRAPR APR_POOLS 13 :
> apr_pool_clear
> 00000009:316864 Stack: QHTTPSVR / QZSRAPR APR_POOLS 8 :
> allocator_free
> 00000009:316880 Stack: QHTTPSVR / QZSRCORE MAIN 18 :
> Main_Excp_Handler
> 00000009:316888 Stack: QHTTPSVR / QZSRAPR OS400TRACE 7 :
> apr_dstack_CCSID
> 00000009:326912 Stack: QSYS / QP0ZCPA QP0ZUDBG 3 :
> Qp0zDumpStack
> 00000009:346808 Stack: QSYS / QP0ZSCPA QP0ZSDBG 2 :
> Qp0zSUDumpStack
> 00000009:346824 Stack: QSYS / QP0ZSCPA QP0ZSDBG 12 :
> Qp0zSUDumpTargetStack
> 00000009:346824 Stack: Completed
> 00000009:407280 apr_dump_trace(): dump for job
> 678302/QTMHHTTP/DAPSERVER
> TRCTCPAPP Output
>
> The problem appears in jk_resolve just after apr_pool_create.
>
> What happen if 2 threads goes in jk_resolve at the same time ?
>
> if (!jk_apr_pool) {
> if (apr_pool_create(&jk_apr_pool, (apr_pool_t *)pool) !=
> APR_SUCCESS) {
> JK_TRACE_EXIT(l);
> return JK_FALSE;
> }
> }
> apr_pool_clear(jk_apr_pool);
> if (apr_sockaddr_info_get
> (&remote_sa, host, APR_UNSPEC, (apr_port_t) port, 0, jk_apr_pool)
> != APR_SUCCESS) {
> JK_TRACE_EXIT(l);
> return JK_FALSE;
> }
>
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