Mercurial > hg > nginx-site
annotate xml/en/docs/debugging_log.xml @ 1056:f3515ccf8e4f
Donor added.
author | Maxim Konovalov <maxim@nginx.com> |
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date | Mon, 03 Feb 2014 11:42:24 +0000 |
parents | 764fbac1b8b4 |
children | d3390895fe6e |
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1 <!-- |
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2 Copyright (C) Igor Sysoev |
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3 Copyright (C) Nginx, Inc. |
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4 --> |
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5 |
50 | 6 <!DOCTYPE article SYSTEM "../../../dtd/article.dtd"> |
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8 <article name="A debugging log" |
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9 link="/en/docs/debugging_log.html" |
589 | 10 lang="en" |
11 rev="1"> | |
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12 |
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13 |
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14 <section> |
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15 |
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16 <para> |
213 | 17 To enable a debugging log, nginx needs to be configured to support |
18 debugging during the build: | |
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19 |
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20 <programlisting> |
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21 ./configure --with-debug ... |
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22 </programlisting> |
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23 |
271 | 24 Then the <literal>debug</literal> level should be set with the |
213 | 25 <link doc="ngx_core_module.xml" id="error_log"/> directive: |
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26 |
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27 <programlisting> |
213 | 28 error_log /path/to/log debug; |
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29 </programlisting> |
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30 |
213 | 31 The nginx binary version for Windows is always built with the debugging log |
271 | 32 support, so only setting the <literal>debug</literal> level will suffice. |
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33 </para> |
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34 |
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35 <para> |
271 | 36 Note that redefining the log without also specifying the |
37 <literal>debug</literal> | |
213 | 38 level will disable the debugging log. |
39 In the example below, redefining the log on the | |
40 <link doc="http/ngx_http_core_module.xml" id="server"/> | |
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41 level disables the debugging log for this server: |
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42 <programlisting> |
213 | 43 error_log /path/to/log debug; |
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44 |
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45 http { |
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46 server { |
213 | 47 error_log /path/to/log; |
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48 ... |
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49 </programlisting> |
213 | 50 To avoid this, either the line redefining the log should be |
271 | 51 commented out, or the <literal>debug</literal> level specification should |
213 | 52 also be added: |
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53 <programlisting> |
213 | 54 error_log /path/to/log debug; |
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55 |
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56 http { |
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57 server { |
213 | 58 error_log /path/to/log debug; |
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59 ... |
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60 </programlisting> |
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61 </para> |
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62 |
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63 <para> |
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64 It is also possible to enable the debugging log for |
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65 <link doc="ngx_core_module.xml" id="debug_connection">selected |
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66 client addresses</link> only: |
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67 |
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68 <programlisting> |
213 | 69 error_log /path/to/log; |
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70 |
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71 events { |
213 | 72 debug_connection 192.168.1.1; |
73 debug_connection 192.168.10.0/24; | |
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74 } |
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75 </programlisting> |
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76 </para> |
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77 |
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78 </section> |
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79 |
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80 </article> |