[{"_1":2,"_203":-5,"_204":-5},"loaderData",{"_3":4,"_18":19,"_25":26,"_176":177},"root",{"_5":-5,"_6":-7,"_7":8,"_9":-7,"_10":11,"_12":-7,"_13":14,"_15":16,"_17":11},"currentUser","primaryEmail","siteVerification","6LeIxAcTAAAAAJcZVRqyHh71UMIEGNQ_MXjiZKhI","toast","enableDev",false,"incidentStatus","theme","system","contrast","normal","dockerRebrandTour","routes/_layout",{"_20":-5,"_21":22,"_23":11,"_24":22},"username","isAskGordonEnabled",true,"showMinimalLanding","showHoneypotTrap","routes/_layout.r.$namespace.$reponame",{"_27":28,"_29":-5,"_30":11,"_31":11,"_32":33,"_34":35,"_36":-5,"_37":11,"_38":39,"_88":89,"_111":112,"_164":-5,"_165":11,"_166":22,"_167":11,"_168":11,"_169":-5,"_170":11,"_171":-5,"_172":173,"_174":113,"_175":-7},"canonicalUrl","https://hub.docker.com/r/openeuler/log4cpp/tags","mcpServer","canSeeDockerfile","canSeeAutobuilds","namespace","openeuler","reponame","log4cpp","cloudBuildSource","isAutobuildsAvailable","repo",{"_40":41,"_42":43,"_45":46,"_47":48,"_49":11,"_50":51,"_52":53,"_54":55,"_57":35,"_32":33,"_58":59,"_60":44,"_61":62,"_63":64,"_65":66,"_67":-5,"_68":62,"_69":70,"_71":11,"_72":33,"_73":74,"_79":11,"_80":81,"_85":33,"_86":87},"categories",[],"content_types",[44],"image","date_registered","2026-09-23T16:40:10.819416Z","description","","is_private","last_updated","2026-11-03T08:16:23.220002Z","last_modified","2026-09-24T01:13:31.344919Z","media_types",[56],"application/vnd.oci.image.index.v1+json","name","pull_count",419,"repository_type","star_count",0,"status",1,"status_description","active","source","collaborator_count","full_description","# Quick reference\n\n- The official log4cpp docker image.\n\n- Maintained by: [openEuler CloudNative SIG](https://gitcode.com/openeuler/cloudnative).\n\n- Where to get help: [openEuler CloudNative SIG](https://gitcode.com/openeuler/cloudnative), [openEuler](https://gitcode.com/openeuler/community).\n\n- Learn more on [Log for C++ Project](http://log4cpp.sourceforge.net/).\n\n# log4cpp | openEuler\nCurrent log4cpp docker images are built on the [openEuler](https://repo.openeuler.org/). This repository is free to use and exempted from per-user rate limits.\n\nLog4cpp is library of C++ classes for flexible logging to files, syslog, IDSA and other destinations. It is modeled after the Log4j Java library, staying as close to their API as is reasonable.\n\n# Supported tags and respective Dockerfile links\nThe tag of each `log4cpp` docker image is consist of the version of `log4cpp` and the version of basic image. The details are as follows\n\n| Tag | Currently | Architectures |\n|----------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------|---------------|\n| [2.9.1-oe2403sp4](https://gitcode.com/openeuler/openeuler-docker-images/blob/master/Others/log4cpp/2.9.1/24.03-lts-sp4/Dockerfile) | log4cpp 2.9.1 on openEuler 24.03-LTS-SP4 | amd64, arm64 |\n\n# Usage\nIn this usage, users can select the corresponding `{Tag}` based on their requirements.\n\n- Pull the `openeuler/log4cpp` image from docker\n\n\t```bash\n\tdocker pull openeuler/log4cpp:{Tag}\n\t```\n\n- Run with an interactive shell\n\n\tStart a container with an interactive shell to build and run your own C++ programs with log4cpp.\n\n\t```bash\n\tdocker run -it --rm openeuler/log4cpp:{Tag} bash\n\t```\n\n- Sample code\n\n\tThe following simple example is taken from the official website. It logs onto the console and into the file `program.log`.\n\n\tmain.cpp\n\t```cpp\n\t// main.cpp\n\n\t#include \"log4cpp/Category.hh\"\n\t#include \"log4cpp/Appender.hh\"\n\t#include \"log4cpp/FileAppender.hh\"\n\t#include \"log4cpp/OstreamAppender.hh\"\n\t#include \"log4cpp/Layout.hh\"\n\t#include \"log4cpp/BasicLayout.hh\"\n\t#include \"log4cpp/Priority.hh\"\n\n\tint main(int argc, char** argv) {\n\t\tlog4cpp::Appender *appender1 = new log4cpp::OstreamAppender(\"console\", &std::cout);\n\t\tappender1->setLayout(new log4cpp::BasicLayout());\n\n\t\tlog4cpp::Appender *appender2 = new log4cpp::FileAppender(\"default\", \"program.log\");\n\t\tappender2->setLayout(new log4cpp::BasicLayout());\n\n\t\tlog4cpp::Category& root = log4cpp::Category::getRoot();\n\t\troot.setPriority(log4cpp::Priority::WARN);\n\t\troot.addAppender(appender1);\n\n\t\tlog4cpp::Category& sub1 = log4cpp::Category::getInstance(std::string(\"sub1\"));\n\t\tsub1.addAppender(appender2);\n\n\t\t// use of functions for logging messages\n\t\troot.error(\"root error\");\n\t\troot.info(\"root info\");\n\t\tsub1.error(\"sub1 error\");\n\t\tsub1.warn(\"sub1 warn\");\n\n\t\t// printf-style for logging variables\n\t\troot.warn(\"%d + %d == %s ?\", 1, 1, \"two\");\n\n\t\t// use of streams for logging messages\n\t\troot << log4cpp::Priority::ERROR << \"Streamed root error\";\n\t\troot << log4cpp::Priority::INFO << \"Streamed root info\";\n\t\tsub1 << log4cpp::Priority::ERROR << \"Streamed sub1 error\";\n\t\tsub1 << log4cpp::Priority::WARN << \"Streamed sub1 warn\";\n\n\t\t// or this way:\n\t\troot.errorStream() << \"Another streamed error\";\n\n\t\treturn 0;\n\t}\n\t```\n\n- Compile and run\n\n\tThe headers are installed under `/usr/include/orocos` and the shared library name is `orocos-log4cpp`.\n\n\t```bash\n\tg++ main.cpp -I/usr/include/orocos -lorocos-log4cpp -o main\n\t./main\n\t```\n\n\tConsole output for that example:\n\n\t```\n\t1352973121 ERROR : root error\n\t1352973121 ERROR sub1 : sub1 error\n\t1352973121 WARN sub1 : sub1 warn\n\t1352973121 WARN : 1 + 1 == two ?\n\t1352973121 ERROR : Streamed root error\n\t1352973121 ERROR sub1 : Streamed sub1 error\n\t1352973121 WARN sub1 : Streamed sub1 warn\n\t1352973121 ERROR : Another streamed error\n\t```\n\n- Check container logs\n\n\t```bash\n\tdocker logs \n\t```\n\n- Exec into a running container\n\n\t```bash\n\tdocker exec -it bash\n\t```\n\n# Question and answering\nIf you have any questions or want to use some special features, please submit an issue or a pull request on [openeuler-docker-images](https://gitcode.com/openeuler/openeuler-docker-images).\n","has_starred","hub_user","immutable_tags_settings",{"_75":11,"_76":77},"enabled","rules",[78],".*","is_automated","permissions",{"_82":22,"_83":11,"_84":11},"read","write","admin","user","storage_size",665655760,"orgData",{"_90":91,"_92":93,"_94":95,"_96":33,"_97":98,"_99":48,"_100":48,"_101":102,"_103":104,"_105":106,"_107":48,"_108":109,"_110":22},"id","b77257a25b6b421ea383b8abd9cf77fc","uuid","b77257a2-5b6b-421e-a383-b8abd9cf77fc","type","organization","orgname","full_name","openEuler 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Digest	OS/ARCH	Compressed size
dbc26ee9095f	linux/amd64	168.8 MB
2bb223d151c3	linux/arm64	161.58 MB

openeuler/log4cpp

Tags for openeuler/log4cpp