Re: [Erlangweb-users] erlangweb can't start with yaws.

Ludovic Kuty Tue, 03 Nov 2009 05:21:52 -0800

Hi,

I had the exact same problem and compiling it for my architecture justworked.


Here is what I did:

$ wget http://yaws.hyber.org/download/yaws-1.85.tar.gz
$ tar xfz yaws-1.85.tar.gz
$ cd yaws
$ ./configure
$ make
$ ls ../erlangweb-1.4/lib/yaws-1.85/
$ cd ..
$ cd erlangweb-1.4
$ cd lib/
$ cd yaws-1.85/
$ rm -rf ebin/
$ rm -rf include/
$ rm -rf priv/
$ cp -r ../../../yaws/ebin/ .
$ cp -r ../../../yaws/include .
$ cp -r ../../../yaws/priv .
$ cd ..
$ cd ..
$ bin/start.erl yaws (EXTRA STEP. MAYBE NOT NECESSARY)
$ bin/start_interactive yaws

Eric, I didn't have a previous Yaws installation but compiled it fromscratch. Maybe that made a difference compared to your setup.


Hope that helps.

On 3 Nov 2009, at 13:19, Eric Liang wrote:

Michal Ptaszek wrote:


Hello Eric,

Yaws is using some shared libraries, such as sendfile or
setuid. Those included in the tarball have been compiled
under 64bit architecture:
$ file setuid_drv.so

setuid_drv.so: ELF 64-bit LSB shared object, x86-64, version 1(SYSV),

dynamically linked, not stripped

The problem is when you try to use them on different architecture.
The easiest solution is to compile Yaws on your own and just replace
lib/yaws-1.85 directory with your one.

Thanks Michal for your prompt reply.

I've checked the library file ,it is as you said. But I've alreadyinstalled yaws in my machine.


$yaws -v
yaws 1.80

$ file /usr/lib/erlang/lib/yaws-1.80/priv/lib/setuid_drv.so

/usr/lib/erlang/lib/yaws-1.80/priv/lib/setuid_drv.so: ELF 32-bit LSBshared object, Intel 80386, version 1 (SYSV), dynamically linked,strippedI've tried to copy the setuid_drv.so to ERLANG_WEB_ROOT_DIRECTORY/lib/yaws-1.85/priv/lib/ , it doesn't work.And I've checked the yaws.conf, it looks like no configuration abouthow to set the ROOT_DIRECTORY to use the yaws already installed. Doyou know how to set this? or I have to get the latest yaws-1.85? TIA.

----- "Eric Liang" <eric.l.2...@gmail.com> wrote:

Hi all,
I've just tried erlangweb, but unfortunately, the script does't work
with yaws.

Step by stepy, I followed the erlangweb wiki:
http://wiki.erlang-web.org/Install :

   1. ./bin/compiler.erl yaws
   2. ./bin/start.erl yaws
   3. ./bin/start_interactive yaws  ---- Crash report occured here

While the command ./bin/start_interactive (no yaws argument) can
start

inets successfully, and I can get the erlangweb-start message frommy

browser.

From the output, I guess this report will be valuable for this
problem:

    =SUPERVISOR REPORT==== 3-Nov-2009::18:19:00 ===
         Supervisor: {local,yaws_sup_restarts}
         Context:    start_error
         Reason:     {'EXIT',{error,could_not_load_driver}}
         Offender:   [{pid,undefined},
                      {name,yaws_sendfile},
                      {mfa,{yaws_sendfile_compat,start_link,[]}},
                      {restart_type,permanent},
                      {shutdown,5000},
                      {child_type,worker}]

I've tested the yaws_sendfile_compat module by calling:
yaws_sendfile_compat:start_link()  in the erlang vm, it looks like
works.

So has anyone here got this problem? or what can I do next?
If anymore information required, please let me know. btw, any
suggestions will be appreciated.

Thanks in advance.
Eric

*******************************************************************************************************
The following is the whole output:

    Eshell V5.6.5  (abort with ^G)
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,sasl_safe_sup}
                 started: [{pid,<0.37.0>},
                           {name,alarm_handler},
                           {mfa,{alarm_handler,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,sasl_safe_sup}
                 started: [{pid,<0.38.0>},
                           {name,overload},
                           {mfa,{overload,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,sasl_sup}
                 started: [{pid,<0.36.0>},
                           {name,sasl_safe_sup},
                           {mfa,
                               {supervisor,start_link,

[{local,sasl_safe_sup},sasl,safe]}},
                           {restart_type,permanent},
                           {shutdown,infinity},
                           {child_type,supervisor}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,sasl_sup}
                 started: [{pid,<0.39.0>},
                           {name,release_handler},
                           {mfa,{release_handler,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: sasl
              started_at: non...@nohost
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,ssl_sup}
                 started: [{pid,<0.45.0>},
                           {name,ssl_broker_sup},
                           {mfa,{ssl_broker_sup,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,supervisor}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,ssl_sup}
                 started: [{pid,<0.46.0>},
                           {name,ssl_manager},
                           {mfa,{ssl_manager,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,4000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,ssl_sup}
                 started: [{pid,<0.47.0>},
                           {name,ssl_connection},
                           {mfa,{ssl_connection_sup,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,4000},
                           {child_type,supervisor}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: ssl
              started_at: non...@nohost
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,crypto_sup}
                 started: [{pid,<0.52.0>},
                           {name,crypto_server},
                           {mfa,{crypto_server,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: crypto
              started_at: non...@nohost
    1>
    =INFO REPORT==== 3-Nov-2009::19:35:46 ===
    e_lang module: error during loading file:

"/home/sunny/codes_in_mercurial/erlang-web/config/languages/en.conf",

    reason:enoent
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,kernel_safe_sup}
                 started: [{pid,<0.62.0>},
                           {name,timer_server},
                           {mfa,{timer,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,1000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_sup}
                 started: [{pid,<0.68.0>},
                           {name,mnesia_event},
                           {mfa,{mnesia_sup,start_event,[]}},
                           {restart_type,permanent},
                           {shutdown,30000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.70.0>},
                           {name,mnesia_monitor},
                           {mfa,{mnesia_monitor,start,[]}},
                           {restart_type,permanent},
                           {shutdown,3000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.71.0>},
                           {name,mnesia_subscr},
                           {mfa,{mnesia_subscr,start,[]}},
                           {restart_type,permanent},
                           {shutdown,3000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.72.0>},
                           {name,mnesia_locker},
                           {mfa,{mnesia_locker,start,[]}},
                           {restart_type,permanent},
                           {shutdown,3000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.73.0>},
                           {name,mnesia_recover},
                           {mfa,{mnesia_recover,start,[]}},
                           {restart_type,permanent},
                           {shutdown,180000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.74.0>},
                           {name,mnesia_tm},
                           {mfa,{mnesia_tm,start,[]}},
                           {restart_type,permanent},
                           {shutdown,30000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.75.0>},
                           {name,mnesia_checkpoint_sup},
                           {mfa,{mnesia_checkpoint_sup,start,[]}},
                           {restart_type,permanent},
                           {shutdown,infinity},
                           {child_type,supervisor}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.76.0>},
                           {name,mnesia_snmp_sup},
                           {mfa,{mnesia_snmp_sup,start,[]}},
                           {restart_type,permanent},
                           {shutdown,infinity},
                           {child_type,supervisor}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.77.0>},
                           {name,mnesia_controller},
                           {mfa,{mnesia_controller,start,[]}},
                           {restart_type,permanent},
                           {shutdown,3000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_kernel_sup}
                 started: [{pid,<0.78.0>},
                           {name,mnesia_late_loader},
                           {mfa,{mnesia_late_loader,start,[]}},
                           {restart_type,permanent},
                           {shutdown,3000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,mnesia_sup}
                 started: [{pid,<0.69.0>},
                           {name,mnesia_kernel_sup},
                           {mfa,{mnesia_kernel_sup,start,[]}},
                           {restart_type,permanent},
                           {shutdown,infinity},
                           {child_type,supervisor}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: mnesia
              started_at: non...@nohost
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,eptic}
                 started: [{pid,<0.81.0>},
                           {name,e_hook},
                           {mfa,{e_hook,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,eptic}
                 started: [{pid,<0.82.0>},
                           {name,e_dict},
                           {mfa,{e_dict,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,eptic}
                 started: [{pid,<0.83.0>},
                           {name,e_session},
                           {mfa,{e_session,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,eptic}
                 started: [{pid,<0.84.0>},
                           {name,e_component},
                           {mfa,{e_component,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,eptic}
                 started: [{pid,<0.85.0>},
                           {name,e_logger},
                           {mfa,{e_logger,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,2000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: eptic
              started_at: non...@nohost
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: wpart
              started_at: non...@nohost
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
             application: wparts
              started_at: non...@nohost
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,yaws_sup}
                 started: [{pid,<0.97.0>},
                           {name,yaws_log},
                           {mfa,{yaws_log,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,5000},
                           {child_type,worker}]
    1>
    =INFO REPORT==== 3-Nov-2009::19:35:46 ===
    Yaws: Using config file
    /home/sunny/codes_in_mercurial/erlang-web/config/yaws.conf
    1>
    =INFO REPORT==== 3-Nov-2009::19:35:46 ===
    Ctlfile : /home/sunny/.yaws/yaws/erlangweb_test/CTL
    1>
    =INFO REPORT==== 3-Nov-2009::19:35:46 ===
    Yaws: Listening to 0.0.0.0:8000 for <1> virtual servers:
     - http://localhost:8000 under
    /home/sunny/codes_in_mercurial/erlang-web/docroot
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,yaws_sup}
                 started: [{pid,<0.98.0>},
                           {name,yaws_server},
                           {mfa,
                            {yaws_server,start_link,
                             [{env,false,false,false,
                               {file,

    "/home/sunny/codes_in_mercurial/erlang-web/config/yaws.conf"},
                               false,false,"default"}]}},
                           {restart_type,permanent},
                           {shutdown,5000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,yaws_sup_restarts}
                 started: [{pid,<0.108.0>},
                           {name,yaws_session_server},

{mfa,{yaws_session_server,start_link,[]}},

                           {restart_type,permanent},
                           {shutdown,5000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,yaws_sup_restarts}
                 started: [{pid,<0.110.0>},
                           {name,yaws_rss},
                           {mfa,{yaws_rss,start_link,[]}},
                           {restart_type,permanent},
                           {shutdown,5000},
                           {child_type,worker}]
    1>
    =PROGRESS REPORT==== 3-Nov-2009::19:35:46 ===
              supervisor: {local,yaws_sup_restarts}
                 started: [{pid,<0.111.0>},
                           {name,yaws_event_manager},
                           {mfa,
                               {gen_event,start_link,
                                   [{local,yaws_event_manager}]}},
                           {restart_type,permanent},
                           {shutdown,5000},
                           {child_type,worker}]
    1>
    =SUPERVISOR REPORT==== 3-Nov-2009::19:35:46 ===
         Supervisor: {local,yaws_sup_restarts}
         Context:    start_error
         Reason:     {'EXIT',{error,could_not_load_driver}}
         Offender:   [{pid,undefined},
                      {name,yaws_sendfile},
                      {mfa,{yaws_sendfile_compat,start_link,[]}},
                      {restart_type,permanent},
                      {shutdown,5000},
                      {child_type,worker}]

    1>
    =SUPERVISOR REPORT==== 3-Nov-2009::19:35:46 ===
         Supervisor: {local,yaws_sup}
         Context:    start_error
         Reason:     shutdown
         Offender:   [{pid,undefined},
                      {name,yaws_sup_restarts},
                      {mfa,{yaws_sup_restarts,start_link,[]}},
                      {restart_type,transient},
                      {shutdown,infinity},
                      {child_type,supervisor}]

    1>
    =CRASH REPORT==== 3-Nov-2009::19:35:46 ===
      crasher:
        pid: <0.94.0>
        registered_name: []
        exception exit: {shutdown,{yaws_app,start,[normal,[]]}}
          in function  application_master:init/4
        initial call: application_master:init/4
        ancestors: [<0.93.0>]
        messages: [{'EXIT',<0.95.0>,normal}]
        links: [<0.93.0>,<0.5.0>]
        dictionary: []
        trap_exit: true
        status: running
        heap_size: 233
        stack_size: 23
        reductions: 101
      neighbours:
    1>
    =INFO REPORT==== 3-Nov-2009::19:35:46 ===
        application: yaws
        exited: {shutdown,{yaws_app,start,[normal,[]]}}
        type: temporary
    1>


Best regards,


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Re: [Erlangweb-users] erlangweb can't start with yaws.

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