Error when starting web_server

[SamuelCox]

Hi, I get the following trace when starting the web_server, any idea why this happens? As far as I can tell the install is correct, and I have the graphviz dependency.

{error, {inets, {{shutdown, {failed_to_start_child, {httpd_manager,any,8888,default}, {error, {invalid_option,{module_does_not_exist,mod_include}}}}}, {child,undefined, {httpd_instance_sup,any,8888,default}, {httpd_instance_sup,start_link, [[{server_root, "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root"}, {document_root, "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/htdocs"}, {eval_script_alias,{"/eval",[io]}}, {erl_script_alias, {"/cgi-bin",[percept2_graph,percept2_html,io]}}, {script_alias, {"/cgi-bin/", "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/cgi-bin"}}, {alias, {"/javascript/", "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/scripts/"}}, {alias, {"/images/", "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/images/"}}, {alias, {"/svgs/", "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/svgs/"}}, {alias, {"/css/", "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/css/"}}, {alias, {"/tree/", "/home/cst/sc630/erlang-lib/percept2-1.0/priv/server_root/tree/"}}, {default_type,"text/plain"}, {directory_index,[[...]]}, {mime_types,[...]}, {modules,...}, {...}|...], 15000,[]]}, permanent,infinity,supervisor, [httpd_instance_sup]}}}}

=ERROR REPORT==== 9-Jan-2017::16:52:54 === Failed initiating web server: undefined {invalid_option,{module_does_not_exist,mod_include}}

[SamuelCox]

Hi, I've figured out that the problem is this specific line: https://github.com/huiqing/percept2/blob/master/src/percept2.erl#L376

inets:start(httpd, Config) is failing, presumably due to the mod_include part of the config. Does the app need this module or can I comment this line out?

[SamuelCox]

Hi again. For what it's worth, superficially my suggested fix has fixed it. Not sure if it will cause me to have problems down the line. I can send in a pull request or you can just do it yourself if you'd like, since its such a trivial change.

[huiqing]

Thanks Samuel. Submit a pull request please , then I can check and merge.

Regards, Huiqing From: Samuel [mailto:notifications@github.com] Sent: 09 January 2017 22:40 To: huiqing/percept2 Cc: Subscribed Subject: Re: [huiqing/percept2] Error when starting web_server (#17)

Hi again. For what it's worth, superficially my suggested fix has fixed it. Not sure if it will cause me to have problems down the line. I can send in a pull request or you can just do it yourself if you'd like, since its such a trivial change.

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[SamuelCox]

Submitted #18