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CodiMD导出pdf失败，弹出文件保存窗口，有个pdf文件能下载，但是保存的时候提示“网站出问题了”，实际到服务器上看会发现docker崩溃了。
解决办法：

1. 使用最新的CodiMD镜像，如nabo.codimd.dev/hackmdio/hackmd:2.5.4
   如果是导出pdf没有中文，可能使用的较老的镜像，如2.4.2以前的，里面没有中文字体支持。

2. docker-compose.yml里面配置如下参数：

    environment:#for pdf export- CMD_ALLOW_PDF_EXPORT=true- QT_QPA_PLATFORM=- OPENSSL_CONF=/etc/ssl

否则会提示DSO support routines:DLFCN_LOAD：
DSO support routines:DLFCN_LOAD:could not load the shared library:dso_dlfcn.c:185:filename(libssl_conf.so): libssl_conf.so: cannot open shared object file: No such file or directory

或者phantomjs错误

2024-03-24T14:42:45.731Z error:         uncaughtException: Command failed: /home/hackmd/app/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /home/hackmd/app/node_modules/markdown-pdf/phantom/render.js /tmp/tmp-35zfQ8i6i7t56J.html /tmp/tmp-35TT7Us019ho1a.pdf /home/hackmd/app /home/hackmd/app/node_modules/markdown-pdf/runnings.js /home/hackmd/app/node_modules/markdown-pdf/css/pdf.css /home/hackmd/app/node_modules/highlight.js/styles/github-gist.css A4 portrait 2cm 0 10000
Auto configuration failed
139809934388864:error:25066067:DSO support routines:DLFCN_LOAD:could not load the shared library:dso_dlfcn.c:185:filename(libssl_conf.so): libssl_conf.so: cannot open shared object file: No such file or directory
139809934388864:error:25070067:DSO support routines:DSO_load:could not load the shared library:dso_lib.c:244:
139809934388864:error:0E07506E:configuration file routines:MODULE_LOAD_DSO:error loading dso:conf_mod.c:285:module=ssl_conf, path=ssl_conf
139809934388864:error:0E076071:configuration file routines:MODULE_RUN:unknown module name:conf_mod.c:222:module=ssl_confError: Command failed: /home/hackmd/app/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /home/hackmd/app/node_modules/markdown-pdf/phantom/render.js /tmp/tmp-35zfQ8i6i7t56J.html /tmp/tmp-35TT7Us019ho1a.pdf /home/hackmd/app /home/hackmd/app/node_modules/markdown-pdf/runnings.js /home/hackmd/app/node_modules/markdown-pdf/css/pdf.css /home/hackmd/app/node_modules/highlight.js/styles/github-gist.css A4 portrait 2cm 0 10000
Auto configuration failed
139809934388864:error:25066067:DSO support routines:DLFCN_LOAD:could not load the shared library:dso_dlfcn.c:185:filename(libssl_conf.so): libssl_conf.so: cannot open shared object file: No such file or directory
139809934388864:error:25070067:DSO support routines:DSO_load:could not load the shared library:dso_lib.c:244:
139809934388864:error:0E07506E:configuration file routines:MODULE_LOAD_DSO:error loading dso:conf_mod.c:285:module=ssl_conf, path=ssl_conf
139809934388864:error:0E076071:configuration file routines:MODULE_RUN:unknown module name:conf_mod.c:222:module=ssl_confat ChildProcess.exithandler (node:child_process:402:12)at ChildProcess.emit (node:events:513:28)at maybeClose (node:internal/child_process:1100:16)at Process.ChildProcess._handle.onexit (node:internal/child_process:304:5)
2024-03-24T14:42:45.731Z error:         An uncaught exception has occured.
2024-03-24T14:42:45.731Z error:         Command failed: /home/hackmd/app/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /home/hackmd/app/node_modules/markdown-pdf/phantom/render.js /tmp/tmp-35zfQ8i6i7t56J.html /tmp/tmp-35TT7Us019ho1a.pdf /home/hackmd/app /home/hackmd/app/node_modules/markdown-pdf/runnings.js /home/hackmd/app/node_modules/markdown-pdf/css/pdf.css /home/hackmd/app/node_modules/highlight.js/styles/github-gist.css A4 portrait 2cm 0 10000
Auto configuration failed
139809934388864:error:25066067:DSO support routines:DLFCN_LOAD:could not load the shared library:dso_dlfcn.c:185:filename(libssl_conf.so): libssl_conf.so: cannot open shared object file: No such file or directory
139809934388864:error:25070067:DSO support routines:DSO_load:could not load the shared library:dso_lib.c:244:
139809934388864:error:0E07506E:configuration file routines:MODULE_LOAD_DSO:error loading dso:conf_mod.c:285:module=ssl_conf, path=ssl_conf
139809934388864:error:0E076071:configuration file routines:MODULE_RUN:unknown module name:conf_mod.c:222:module=ssl_conf2024-03-24T14:42:45.734Z error:         Process will exit now.
Error: Command failed: /home/hackmd/app/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /home/hackmd/app/node_modules/markdown-pdf/phantom/render.js /tmp/tmp-35zfQ8i6i7t56J.html /tmp/tmp-35TT7Us019ho1a.pdf /home/hackmd/app /home/hackmd/app/node_modules/markdown-pdf/runnings.js /home/hackmd/app/node_modules/markdown-pdf/css/pdf.css /home/hackmd/app/node_modules/highlight.js/styles/github-gist.css A4 portrait 2cm 0 10000
Auto configuration failed
139809934388864:error:25066067:DSO support routines:DLFCN_LOAD:could not load the shared library:dso_dlfcn.c:185:filename(libssl_conf.so): libssl_conf.so: cannot open shared object file: No such file or directory
139809934388864:error:25070067:DSO support routines:DSO_load:could not load the shared library:dso_lib.c:244:
139809934388864:error:0E07506E:configuration file routines:MODULE_LOAD_DSO:error loading dso:conf_mod.c:285:module=ssl_conf, path=ssl_conf
139809934388864:error:0E076071:configuration file routines:MODULE_RUN:unknown module name:conf_mod.c:222:module=ssl_confat ChildProcess.exithandler (node:child_process:402:12)at ChildProcess.emit (node:events:513:28)at maybeClose (node:internal/child_process:1100:16)at Process.ChildProcess._handle.onexit (node:internal/child_process:304:5) {code: 1,killed: false,signal: null,cmd: '/home/hackmd/app/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /home/hackmd/app/node_modules/markdown-pdf/phantom/render.js /tmp/tmp-35zfQ8i6i7t56J.html /tmp/tmp-35TT7Us019ho1a.pdf /home/hackmd/app /home/hackmd/app/node_modules/markdown-pdf/runnings.js /home/hackmd/app/node_modules/markdown-pdf/css/pdf.css /home/hackmd/app/node_modules/highlight.js/styles/github-gist.css A4 portrait 2cm 0 10000',level: 'error',timestamp: '2024-03-24T14:42:45.731Z',[Symbol(level)]: 'error',[Symbol(message)]: '2024-03-24T14:42:45.731Z error: \tCommand failed: /home/hackmd/app/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /home/hackmd/app/node_modules/markdown-pdf/phantom/render.js /tmp/tmp-35zfQ8i6i7t56J.html /tmp/tmp-35TT7Us019ho1a.pdf /home/hackmd/app /home/hackmd/app/node_modules/markdown-pdf/runnings.js /home/hackmd/app/node_modules/markdown-pdf/css/pdf.css /home/hackmd/app/node_modules/highlight.js/styles/github-gist.css A4 portrait 2cm 0 10000\n' +'Auto configuration failed\n' +'139809934388864:error:25066067:DSO support routines:DLFCN_LOAD:could not load the shared library:dso_dlfcn.c:185:filename(libssl_conf.so): libssl_conf.so: cannot open shared object file: No such file or directory\n' +'139809934388864:error:25070067:DSO support routines:DSO_load:could not load the shared library:dso_lib.c:244:\n' +'139809934388864:error:0E07506E:configuration file routines:MODULE_LOAD_DSO:error loading dso:conf_mod.c:285:module=ssl_conf, path=ssl_conf\n' +'139809934388864:error:0E076071:configuration file routines:MODULE_RUN:unknown module name:conf_mod.c:222:module=ssl_conf\n'
}