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这个ejabberd/erlang堆栈跟踪意味着什么?_Erlang_Ejabberd - Fatal编程技术网

这个ejabberd/erlang堆栈跟踪意味着什么?

这个ejabberd/erlang堆栈跟踪意味着什么?,erlang,ejabberd,Erlang,Ejabberd,有人能帮我弄清楚在stacktrace里要找什么吗?我从未接触过二郎,所以我真的不知道从哪里开始 我们正在使用ejabberd的v19.09,并为许多用户获取此错误日志: 2020-03-14 15:29:31.096 [error] <0.2029.48>@mod_http_api:handle:257 REST API Error: set_presence([{<<"user">>,<<"53265363">>},{<<

有人能帮我弄清楚在stacktrace里要找什么吗?我从未接触过二郎,所以我真的不知道从哪里开始

我们正在使用ejabberd的v19.09,并为许多用户获取此错误日志:

2020-03-14 15:29:31.096 [error] <0.2029.48>@mod_http_api:handle:257 REST API Error: set_presence([{<<"user">>,<<"53265363">>},{<<"host">>,<<"chat.us.com">>},{<<"resource">>,<<"ssid-3465">>},{<<"type">>,<<"available">>},{<<"show">>,<<"chat">>},{<<"status">>,<<"{\"current_lobby_id\":\"none\",\"status\":\"{\\r\
\\t\\\"rich_presence\\\": \\\"{\\\\r\\\
\\\\t\\\\\\\"rich_presence\\\\\\\": \\\\\\\"?s=PlayerStatusInMap?p0=21?p1=2?p2=3\\\\\\\",\\\\r\\\
\\\\t\\\\\\\"session_id\\\\\\\": \\\\\\\"ssid-3465-38a44f60-9df7-4c79-8c8e-1cc99e5039dd\\\\\\\"\\\\r\\\
}\\\",\\r\
\\t\\\"current_lobby_id\\\": \\\"{\\\\r\\\
\\\\t\\\\\\\"lobby_id\\\\\\\": \\\\\\\"c791cfaa-9fd3-4d0d-9d5c-1aeb9efb12e2@hangouts.chat.us.com\\\\\\\",\\\\r\\\
\\\\t\\\\\\\"privacy\\\\\\\": \\\\\\\"friends_only\\\\\\\"\\\\r\\\
}\\\"\\r\
}\",\"region\":\"\"}">>},{<<"priority">>,<<"0">>}]) -> exit:{noproc,{p1_server,call,[none,{set_presence,{presence,<<>>,available,<<>>,{jid,<<"953265363">>,<<"chat.us.com">>,<<"oak/ssid-3465-1cc99e5039dd">>,<<"1953265363">>,<<"chat.us.com">>,<<"4c79-8c8e-1cc99e5039dd">>},{jid,<<"1953265363">>,<<"chat.us.com">>,<<>>,<<"1953265363">>,<<"chat.us.com">>,<<>>},chat,[{text,<<"en">>,<<"{\"current_lobby_id\":\"none\",\"status\":\"{\\r\
\\t\\\"rich_presence\\\": \\\"{\\\\r\\\
\\\\t\\\\\\\"rich_presence\\\\\\\": \\\\\\\"?s=PlayerStatusInMap?p0=21?p1=2?p2=3\\\\\\\",\\\\r\\\
\\\\t\\\\\\\"session_id\\\\\\\": \\\\\\\"ssid-348c8e-1cc99e5039dd\\\\\\\"\\\\r\\\
}\\\",\\r\
\\t\\\"current_lobby_id\\\": \\\"{\\\\r\\\
\\\\t\\\\\\\"lobby_id\\\\\\\": \\\\\\\"c791cfaa-9fd3-4d0d-9d5c-1aeb9efb12e2@hangouts.chat.us.com\\\\\\\",\\\\r\\\
\\\\t\\\\\\\"privacy\\\\\\\": \\\\\\\"friends_only\\\\\\\"\\\\r\\\
}\\\"\\r\
}\",\"region\":\"\"}">>}],0,[],#{}}},1000]}} [{p1_server,call,3,[{file,"src/p1_server.erl"},{line,210}]},{mod_http_api,handle2,4,[{file,"src/mod_http_api.erl"},{line,267}]},{mod_http_api,handle,4,[{file,"src/mod_http_api.erl"},{line,228}]},{mod_http_api,perform_call,4,[{file,"src/mod_http_api.erl"},{line,188}]},{mod_http_api,process,2,[{file,"src/mod_http_api.erl"},{line,141}]},{ejabberd_http,process,2,[{file,"src/ejabberd_http.erl"},{line,366}]},{ejabberd_http,process_request,1,[{file,"src/ejabberd_http.erl"},{line,488}]},{ejabberd_http,process_header,2,[{file,"src/ejabberd_http.erl"},{line,286}]}]
[代码>2020-03-13-14 15:29:29:31.30-30-30-20-20-20-20-20-30-30-30-30-30-30-30-13-14 15 15:29:29:30-30-30-30-30-30-30-30-30-30-30-30-30-14 14 15:29:29:30[错误]:31.30[错误][错误]:30.30.30.30[错误][错误]这一个网页网页网页网页网页网页网页网页网页网页网页网页网页网页网页[20.10-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-30-“},{line,210}]},{mod_http_api,handle2,4,[{file,[线路,267}}},{MODU-http-U-api,句柄,4,[{{文件,”src/mod-U-http-U-http-U-http-U-api.erl,{线路,src/MODU-http-U-http-U-http-U-api.api.erl},{线路,267.7},{线路,267}}api,5},[线路,267.7},[线路,26C/MoC/MODU-MoU-U-U-http-U-http-U-U-http-U-U-http-U-U-http-U-U-U-U-U-U-U-api.api.api.U-U-U-U-U-U-api.api.ARU-api.api.api.ERU-api.ERU-api.erl}.erl}................bberd_http.erl“},{line,366}]},{ejabberd_http,process_请求,1[{file,“src/ejabberd_http.erl”},{line,488}]},{ejabberd_http,进程头,2,[{file,“src/ejabberd_http.erl”},{line,286}]}]
从中间隐藏的实际错误开始:

exit:{noproc,{p1_server,call,[none,{set_presence,.....
因此有一个
noproc
错误,在调用
p1\u server:call
时发生,其中第一个参数是
none
(调用看起来像
p1\u server:call(none,{set\u presence,…})
)也就是说,我们要求名为
none
的进程执行命令
set\u presence
,该命令失败,因为没有以
none
名称注册的进程

现在让我们看看堆栈跟踪。我添加了换行符:

[{p1_server,call,3,[{file,"src/p1_server.erl"},{line,210}]},
 {mod_http_api,handle2,4,[{file,"src/mod_http_api.erl"},{line,267}]},
 {mod_http_api,handle,4,[{file,"src/mod_http_api.erl"},{line,228}]},
 {mod_http_api,perform_call,4,[{file,"src/mod_http_api.erl"},{line,188}]},
 {mod_http_api,process,2,[{file,"src/mod_http_api.erl"},{line,141}]},
 {ejabberd_http,process,2,[{file,"src/ejabberd_http.erl"},{line,366}]},
 {ejabberd_http,process_request,1,[{file,"src/ejabberd_http.erl"},{line,488}]},
 {ejabberd_http,process_header,2,[{file,"src/ejabberd_http.erl"},{line,286}]}]

第一行是它发现没有这样的过程的地方。但我们更感兴趣的是,为什么我们首先将
none
作为参数传递。堆栈跟踪表明这发生在中的某个地方,但在这一点上我迷路了-它似乎是从命令中提取参数,但我没有取消站在
none
来自的位置…

从实际错误开始,该错误隐藏在中间:

exit:{noproc,{p1_server,call,[none,{set_presence,.....
因此有一个
noproc
错误,在调用
p1\u server:call
时发生,其中第一个参数是
none
(调用看起来像
p1\u server:call(none,{set\u presence,…})
)也就是说,我们要求名为
none
的进程执行命令
set\u presence
,该命令失败,因为没有以
none
名称注册的进程

现在让我们看看堆栈跟踪。我添加了换行符:

[{p1_server,call,3,[{file,"src/p1_server.erl"},{line,210}]},
 {mod_http_api,handle2,4,[{file,"src/mod_http_api.erl"},{line,267}]},
 {mod_http_api,handle,4,[{file,"src/mod_http_api.erl"},{line,228}]},
 {mod_http_api,perform_call,4,[{file,"src/mod_http_api.erl"},{line,188}]},
 {mod_http_api,process,2,[{file,"src/mod_http_api.erl"},{line,141}]},
 {ejabberd_http,process,2,[{file,"src/ejabberd_http.erl"},{line,366}]},
 {ejabberd_http,process_request,1,[{file,"src/ejabberd_http.erl"},{line,488}]},
 {ejabberd_http,process_header,2,[{file,"src/ejabberd_http.erl"},{line,286}]}]
第一行是它发现没有这样的过程的地方。但我们更感兴趣的是,为什么我们首先将
none
作为参数传递。堆栈跟踪表明这发生在中的某个地方,但在这一点上我迷路了-它似乎是从命令中提取参数,但我没有取消站在
none
来自的位置