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SpringBoot3.4の構造化ログ #kanjava
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irof
January 30, 2025
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SpringBoot3.4の構造化ログ #kanjava
2025-01-30 関ジャバ'25 1月度
irof
January 30, 2025
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Transcript
SpringBoot3.4ͷߏԽϩά 2025-01-30 ؔδϟό'25 1݄ @irof ߏԽϩάͷഎܠ͔ΒSpringBootͰͷΧελϚΠζ·Ͱ
irof • ݸਓࣄۀओ • ؔδϟόͷதͷਓ • SpringͨͿΜ3͘Β͍͔Β • SpringBoot͕·ͬͨ݁ ՌɺSpringͷόʔδϣϯೝ
ݮ͖ͬͯͨؾ͕ɻ
ຊηογϣϯͷత ✓ߏԽϩάͷجຊΛཧղ͢Δ ✓SpringBoot3.4Ͱͷઃఆํ๏ΛΔ ✓࣮Ͱ׆༻͢ΔώϯτΛಘΔ
ߏԽϩάͷഎܠ
ߏԽϩάͷഎܠ • ΫϥυͳͲΛड͚ͯখ͞ΊͳγεςϜͰෳαʔόʔӡ༻ ʹͳΓɺϩάΛूͯ͠ͷݕࡧɾੳΛߦ͏͜ͱͷޮՌඞ ཁੑ͕ߴ·͖ͬͯ·ͨ͠ɻ • ෳͷϩάΛू͢ΔͱͳΔͱɺϩάʹग़ྗ͍߲ͨ͠૿ ͍͖͑ͯ·͢ɻ • ΞϓϦέʔγϣϯ໊ͱ͔αʔόʔ໊ͱ͔ɻ
1αʔόʔͳΒཁΒͳ͍͚ͩͲ
ԽͰঃʑʹ໘ʹͳͬͯʢྗͰΧόʔʣ ʮX߸ػʯͱ͔͕ѲͰ͖͍ͯΔ͏ͪɺ·ͩͳΜͱ͔…… ͡ΐʔͪΐʔ͔ɹɹɹ͡ΐʔ͡ΐʔʹ
ϩάΛҰՕॴʹूΊͨΒ؇͞ΕΔͷ͚ͩͲ ूΊํͰΰλΰλ͋Δ͚Ͳࠓճͦͷ͡Όͳ͍ ͨͩͷϑΝΠϧαʔόʔ ϩάݟ͑Δ͘Μͷγ ϯϓϧͳྫɻ
ෳαʔϏεʹͳ͖ͬͯͨΓ͢Δͱ͡Θ͡Θͱ
None
ҠૹʮϩάҠૹ͘Μʯ͕ؤுΔͷ͚ͩͲ Xͱ͔Yͱ͔͕গͳ͍͏͍͍͚ͪͩͲɺ૿͑ΔͱͭΒ͘ͳͬͯ͘Δ ʮϩάҠૹ͘Μʯ ɾಠཱͯ͠ଘࡏ͢Δ ɾΞϓϦ͕Δ ɾϩάݟ͑Δ͘Μ͕Δ ͱ͔৭ʑ͋Δɻ
ύʔεʹ͖ͭ·ͱ͏ʢͷ͘͝Ұ෦ʣ • ϓϨʔϯςΩετΛύʔε͢ΔͨΊʹɺϧʔϧ͕ඞཁɻ • վߦ۠ΓˠελοΫτϨʔεόϥόϥࣄ݅ • ͋Δ͋Δ • εϖʔε۠Γˠϝοηʔδ్͕த·Ͱ͔͠ग़ͳ͍ •
͋Δ͋Δ • ؤுΕؤுΕΔʢΈΜͳؤு͖ͬͯͨʣ͚ͲɺͦΕؤுΔ ͱ͜ʁ͕ߏԽϩάͷಈػͷҰͭɻ
΄͔ʹɿϩάʹग़͢ͷΛม͑ͨ࣌ͱ͔ • ϩάʹ߲ΛՃͨ࣌͠ɺϩάҠૹ͘Μซͤͯม͑ͳ͍ͱ ϩά͕·ͬͨ͘ݟ͑ͳ͘ͳͬͨΓ͢Δɻ • ແఀࢭͷϩʔϦϯάσϓϩΠͱ͔৽چόʔδϣϯࠞࡏͳΜͯ ͳΔͱ͞Βʹ͜͠͞૿͢ • ϩάʹ߲Ճ͢Δ͚ͩͰαʔϏεఀࢭ͢ΜͷʁͩΑͶʁ ؤுΕʂ……ͱ͔ͳΔɻͭΒΈɻ
ͯ͜ͱͰɿग़͔࣌͢ΒߏԽ͓ͯ͜͠͏ͥͱ • JSONͱ͔ߏԽςΩετΛ͑ྑ͍ • CSVߏԽςΩετʁ·͊͏Μɻ • SSVʢSpaceSeparatedValuesʣߏԽςΩετʁťŦƄŮɻ ແཧΓݴΘͤͨײ͚ͩͲ ݕࡧͨ͠Β͋ΔͬΆ͍……ʁ
ߏԽϩάͷجຊ
ߏԽϩάͷجຊ • ΩʔͱͷϖΞ • ඪ४తͳϑΥʔϚοτʢJSONʣ • ʢػցతʹʣՄಡੑ͕ߴ͘ɺॲཧ͍͢͠ • ༷ʑͳπʔϧͰར༻Մೳ •
JSONͷΤίγεςϜʹΕΔʢJSONͳΒʣ • มߋʹॊೈʹରԠͰ͖Δ • ༰ͳϦʔμʔύλʔϯ͕Α͘औΒΕ͍ͯΔҹɻ
հɿ༰ͳϦʔμʔ • ඞཁͳͷ͚ͩநग़ͯ͠ɺະ ͷίϯςϯπΛແࢹ͠ɺม ܗతͳσʔλߏΛड༰͢Δ • ͜ͷ໊લαʔϏεσβΠϯ ύλʔϯͰݟͨʢઈ൛ʁʣ • ಉ༷ͷ͜ͱΑ͘ݴΘΕΔɻ
ݹ͘ϙεςϧͷ๏ଇ ʢRFC791, 1981ʣͳͲɻ
ߏԽϩάͷྫ ←ैདྷͷϩά
ैདྷͷϩάͱߏԽϩάͷҧ͍ • ैདྷͷϩά • ղੳݕࡧ͕จࣈྻʹର͢ΔͦΕ • ਓʹ༏͠Ίʢ༏͍͠ͱݴ͍ͬͯͳ͍ʣ • ߏԽϩά •
ཧ͞Εͨσʔλ • ػցʹ͘͞͠ɺਓʹݫ͠Ί • ߏԽϩά͕ಡΈ͍͢ਓਓΛࣙΊͯΔઆ
ਓʹݫ͠ΊɿಡΉؾ͕ى͖ͳ͍ ͜Εʮจࣈͷཏྻʯͬͯೝࣝ͢Δͷ͕Ұൠਓͩͱࢥ͍·͢
pretty printͨ͠ΒಡΊΔʢʁʣ
ߏԽϩάͷجຊɿ·ͱΊ • JSONͰग़ͯͨΒߏԽϩάʢࡶ
Spring Boot 3.4ͰͷߏԽϩά جຊฤ
• logging.structured.format.consoleΛઃఆ͢Δ͚ͩ • ʢϩάԿ͍ͬͯ͡ͳ͍ͳΒʣ • ͪΖΜapplication.ymlͰڥมͰͳΜͰ͍͍ɻ ઃఆ application.ymlͳΒˠ
SpringBoot3.3Ҏલͱͷҧ͍ • ҎલΑΓECS LoggingLogstash Logback EncoderͳͲΛ ༻ͯ͠JSONͰͷग़ྗՄೳ • ඪ४͚ͩͰύλʔϯʹJSONͬΆ͍จࣈྻΛࢦఆ͢Εग़དྷ ͳ͘ͳ͍͕ɺෆׄˍखؒˍॊೈੑʹ͚ܽΔɻ
• 3.4Ҏ߱ͳΒ1Օॴઃఆ͢Δ͚ͩʂ
༗ޮԽͱରԠϑΥʔϚοτ • ༗ޮԽ • logging.structured.format.(console| f ile) ʹࢦఆ • ࢦఆͰ͖ΔϑΥʔϚοτ
• ECS: Elastic Common Schema • GELF: Graylog Extended Log Format • Logstash • ʢΧελϜʢޙड़ʣʣ SpringͷಠࣗܗࣜͰͳ͍ͷͰ͢
SLF4JͰͷ߲ՃɿMDC • MDCʹηοτͨ͠ͷ͕Կͤͣͱग़·͢ɻ ʢMDCͳΜͧΛฉ͘ʣ ͜ΕͶˠ
ࢀߟɿMDCͷ։์ https://irof.hateblo.jp/entry/2024/06/20/152018
SLF4JͰͷ߲ՃɿFluent Logging API • SLF4J 2Ͱಋೖ͞Εͨ৽͍͠API • SLF4Jͷϝδϟʔόʔδϣϯ্͕͕͍ͬͯΔ͜ͱʹؾ͍͍ͮͯ ͳ͍ਓଟ͍ʢؾ͔ͮͳ͍͍ͯ͘Α͏ʹઃܭ͞Ε͍ͯΔʣ Fluent
APIࣗମ͕Έ͋Δ͠ɺ୯७ͳϩάग़ྗͷ ͨΊͷAPIͱͯ͠ಡΈ͍͢ͱݴ͍͍͕ɺ ༷ʑͳίϯςΩετΛग़ྗ͢Δࡍॻ͖͘͢ಡΈ ͍͢ͱݴ͑Δͱࢥ͏ʢݸਓͷײʢগͳ͘ͱҾ static importલఏͷϝιουΑΓɻ
SLF4JͰͷ߲ՃɿFluent Logging API • 1ͭͷϩάʹ͚ͩग़͍ͨ͠ͱ͖MDC͡Όͳͬͪ͘͜ɻ ͜ΕͶˠ
جຊฤɿ·ͱΊ • logging.structured.format.console Λઃఆ͢Δ͚ͩͰߏԽ ϩά͕ग़Δʂ • ͱͯώϡʔϚϯΞϯϦʔμϒϧʂʂ • MDCͱ͔Fluent APIͰࣗ༝ʹ߲ΛՃͰ͖Δʂ
Spring Boot 3.4ͰͷߏԽϩά தͱΧελϚΠζ
ͪΐͬͱͨ͠ΧελϚΠζ • logging.structured.json.(include|exclude|rename|add) • ཁΒΜΘͬͯͷফͨ͠Γ: exclude • Key໊ม͑ͨΓ: rename •
Ճͨ͠Γ: add • શϩάʹڞ௨ͷͷΛՃ͢Δɻ • ଞͷϓϩύςΟࢀরͰ͖Δɻ ྫলུ
ߏԽϩάपΓͷ؆қΫϥεਤ
ߏԽϩάपΓͷ؆қΫϥεਤ ؆қͳJSONΛॻ͕ͭ͘രͯ͠Δɻ JSONͷߏԽϩάग़ྗʹJacksonͳͲ ༻͍ͯ͠ͳ͍ɻ
ߏԽϩάपΓͷ؆қΫϥεਤ ʮߏԽϩάʯ≠ʮJSONϩάʯ StructuredLogFormatterϓϨʔϯςΩετ ग़ͤΔʢϦϑΝϨϯεͷྫͦΕʣ
ߏԽϩάपΓͷ؆қΫϥεਤ ϓϩύςΟͰࢦఆͰ͖Δͷ CommonFormatterͱݺΕΔҰ܈ɻ Common͡Όͳ͍ͷ͖ʹ࡞Εͬͯܗɻ
ߏԽϩάपΓͷ؆қΫϥεਤ Logbackґଘ෦o.s.boot.logging.structuredͷ֎ (o.s.boot.logging.logbackʹ͋Δɻಉ༷ͷ͕log4j2ͷҰࣜɻʣ
دΓಓɿJsonWriter • SpringBoot3.4ͰՃ͞Εͨɻ • ʮͪΐͬͱJSONʹ͍ͨ͠Μ͚ͩͲJacksonͱ͔GSONͱ͔ ೖͬͯͳ͍ʢor໘ʣͩͳ͊ʯʹ͑ͦ͏ʁ ʮSpringBootͬͯͯJackson͑ͳ͍ʯ ͳ͔ͳ͔ϨΞͳ݅ͩͱࢥ͏͚Ͳɻ
JsonWriter#of • standardͰΓͳ͚Εof ͰϚοϐϯάΛॻ͘ɻ • LambdaͷೖΕࢠMembers ͷѻ͍ͳͲɺͦΕͳΓʹΫη ͕͋Δɻ͏Մೳੑ͕͋Δͳ ΒૉৼΓ͠ͱ͍ͨํ͕͍͍ɻ •
ͨͱ͑ӈͷwriterΛvarʹͨ͠ ΒίϯύΠϧ௨Βͳ͍ͱ͔ɺຯ ͳͷ͕ͪΐ͍ͪΐ͍ɻ
JsonWriter.Members • addͰՃ͢Δ • applyingXxx Ͱ͍͡Δ • ValueProcessor݁ߏ͓͠Ζ͍ʢޙड़
͕ͬͭΓΧελϚΠζ • ecs/gelf/logstashͷͲΕؾʹೖΒͳ͍ʂ • addexcluderename͡ΌΓͳ͍ʂʂ • ΦϨΦϨJSONͰग़͍ͨ͠ʂʂʂ • ೋʢࡉ͔͘ݴ͑ࡾʣ͋ΔɻͲ͏͢Δʁʁ •
StructuredLogFormatter(JsonWriterStructuredLogFormatter) • StructuredLoggingJsonMembersCustomizer
StructuredLogFormatterͰͷΧελϚΠζ
StructuredLogFormatterͰͷΧελϚΠζ • ΫϥεΛ࡞ͬͯɺecsͱ͔ͷΘΓʹFQCNΛࢦఆ͢Δ
🚫StructuredLogFormatterɿMarkdownͷϦετͰग़͢ վߦΛҰஈ͛ͯ͞Έͨ ʢ࣮༻ੑͨͿΜͳ͍ʣ
🚫JsonWriterStructuredLogFormatterɿϝοηʔδ͚ͩͷJSONͰग़͢ withNewLineAtEnd()͚ͭͳ͍ͱ1ߦͷJSONʹͳΔ͠ɺ lambdaͷܕলུͰ͖ͳ͍͠ɺຯʹ໘ɻ
🚫StructuredLogFormatterͰͷΧελϚΠζ • ࠜݩ͔Βม͑Δͭ • SpringBoot͋Δ͋Δͷʮ৮ΔͱSpringBoot͔Β֎ΕΔՄೳੑͷ͋Δϩ ΪϯάγεςϜ͚֦ுϙΠϯτʯͰ͢ɻ • ϦϑΝϨϯεʹॻ͍ͯΔ͠ɺࢦఆํ๏ͰΘ͔ΔͩΖͱݴΘΕΕɺͦΕͦ͏ɻ • StructuredLogFormatter
• ͜͜৮Δ͘Β͍ͳΒLogbackͷEncoderͷ͕Α͘Ͷʁ • JsonWriterStructuredLogFormatter • StructuredLoggingJsonMembersCustomizerͰΑ͘Ͷʁ • ͜ͷลΓͷ֦ுΨοπϦLogbackʹґଘ͢ΔͷؾʹͳΔͱ͜ɻ
StructuredLoggingJsonMembersCustomizerͰͷΧελϚΠζ
StructuredLoggingJsonMembersCustomizerͰͷΧελϚΠζ • SpringBootͷͳͱ͜ͷҰͭɿҰൠਓ͚ͷΧελϚΠζ ʹCustomizer໊ͬͯલ͕͍ͭͯΔ • ҰൠਓσϑΥͷ··͏΄͏͕͍͍ͱ͔͓͖ͯ͞ • ϓϩύςΟͷaddͱ͔͜ͷ࣮ͰߦΘΕ͍ͯΔ • ॱ൪ϓϩύςΟͷ͕ઌɺՃͨ͠ͷޙΆ͍ɻ
• ͦ͏͍͏࣮ɻυΩϡϝϯτʹͳ͛͞ɻ • ϓϩύςΟͱಠࣗCustomizerͰಉ͡Ωʔ໊৮ΔͷΊͱ͜͏Ͷʁ
StructuredLoggingJsonMembersCustomizerͰͷΧελϚΠζ • logging.structured.json.customizerʹFQCNͰࢦఆ͢Δ • META-INF/spring.factories ͰࢦఆͰ͖Δɻෳࢦఆ͍ͨ͠ ͱ͔ج൫ͳͲ͕ڧ੍͍ͨ͠ͱ͔ͳΒ͔ͬͪ͜ͳʁ
🤔StructuredLoggingJsonMembersCustomizerͰͷΧελϚΠζ ग़͢ͳΑʢਅإ ʮ͋ͱͰʯͱݴͬͯͨValueProcessorͷ
StructuredLoggingJsonMembersCustomizerͰͷΧελϚΠζ • ϩΪϯάγεςϜʹΑΒͳ͍ΧελϚΠζ͕Մೳ • ecs/gelf/logstashͷͲΕ͔ϕʔεʹ͢Δ • JsonWriterΛ௨ͯ͠JSONΛ͍͡ΕΔ • JSONͷதʹؔͯ͜͠Ε·ͰߏԽϩάϥΠϒϥϦͰͬͯ ͨ͜ͱ͋ΔఔͰ͖ΔΜ͡Όͳ͍͔ͳײ͋Δ
• ͕ͬͭΓΧελϚΠζͬͯݴͬͯ͜ΕͰΔͷ͕Α͔Ζ͏
ҙ
όφʔ͕ग़ͳ͘ͳͬͯ͠·͏ • SpringBootىಈ࣌ʹ͓ग़ ܴ͑ͯ͘͠ΕΔӈͷό φʔ͕ߏԽϩάΛ༗ޮ ʹ͢Δͱग़·ͤΜɻ • όφʔ͕ͳ͍ͱக໋తʹ ͳΔγεςϜͰཁҙ Ͱ͢ɻ
͋ɺݩʑཁΒͳ͔ͬͨʁ͔ͦͬ͊ɻ
ӡ༻தͷlogback.xml͕͋Δਓ • logback.xmlͱ͔ࣗͨͪͰ࡞ͬͯͨΒɺ͍͘ΒϓϩύςΟઃ ఆͯ͠ޮՌͳ͍Ͱ͢ɻ͏༷ʹencoderม͑ͯͶɻ • StructuredLogEncoderΛlogback.xmlͱ͔Ͱ͏ͱʮSpring ಈ͍ͯͶʔΑʯౖͬͯΒΕΔɻૉʹlogback-spring.xmlͱ ͔͍·͠ΐɻ
ECSLogstashͳͲ͍ͬͯͳ͍ • ઌͷ௨ΓɺϑΥʔϚοτʹରԠͨ͠ग़ྗΛSpringBoot͕࣮ ͍ͯ͠·͢ɻ • ґଘϥΠϒϥϦΛ୳ͯ͠ecs-logginglogstash-logback- encoderͳͲग़͖ͯ·ͤΜɻ • ͭ·Γecs-loggingͳͲͷઃఆޮ͖·ͤΜɻ •
ͦͷ͋ͨΓ͕ඞཁͳΒSpringBootͷߏԽϩάΘͣɺ ࠓ·Ͱ௨ΓϥΠϒϥϦΛ͍·͠ΐ͏ɻ
ิɿecs-logging • https://www.elastic.co/ guide/en/ecs-logging/ java/1.x/setup.html • encoder(Logbackͷ ߹ʣͷઃఆͱ͔ॻ͍ͯΔ ͚ͲɺSpringBootͰecs Λࢦఆͯ͜͠Εؔ
ͳ͍ΜͰ͢ɻ
ʢ৽͍͠͡Όͳ͍͚ͲʣMDCͱ͔͏࣌ • MDCجຊతʹThreadLocalΛͬͯΔ • ผεϨουʹࣗಈతʹҾ͖ܧ͕Εͳ͍ • ಉ͡εϨουʹ༧ظͤͣҾ͖ܧ͕ΕΔ • ࣗͰεϨου͍͡Δ࣌ؾΛ͚ͭͯͶʂ •
ʮͦΕ͘Β͍ϑϨʔϜϫʔΫ͕໘Έͯ͘Εͳ͍ͷʁʯ • ϑϨʔϜϫʔΫ͕໘ݟͯΔͱ͜͡Όͳ͍ͱ͜ͰεϨουى ͜͞ΕͨΒݫ͍ͬ͢͠ɻʢϑϨʔϜϫʔΫΑΓʣ
࣮Ͱߟ͑Δ͜ͱͷࡐྉ
࣮Ͱߟ͑Δ͜ͱͷࡐྉ ʻಋೖʹࡍͯ͠ʼ
ߏԽϩάΛ͏͔൱͔ʁ • ͘͝খنͳΞϓϦέʔγϣϯΛআ͚ߏԽϩάʹऔΓ ΉՁ͋Γ·͢ɻ • ΞϓϦέʔγϣϯαʔόʔ͚ؒͩͰͳ͘ଞγεςϜΠϯϑϥ Λލ͍Ͱͷϩάԣ۲ݕࡧඪ४උͰ͋ͬͯཉ͍͠ɻ • ͜Ε·ͰߏԽϩάΛग़ྗ͢ΔͨΊʹϥΠϒϥϦͷՃͳ ͲΛߦ͏ඞཁ͕͋Γ·͕ͨ͠ɺෆཁʹͳΓ·ͨ͠ɻ
• ϓϩύςΟࢦఆ͢Δ͚ͩͰ͍͚ͭ·͢ɻͬͨͶʂ
ඪ४ߏԽϩάಋೖݕ౼ϑϩʔ ΧελϚΠζͯ͠ͳ͍ͳΒඪ४ʹΓ͑ͱ͘ͷ͕͍͍ͱࢥ͏Μͩ
͍ͭͰߏԽϩάΛ͏͔ʁ • গͳ͘ͱϩʔΧϧϢχοτςετͰग़ྗ͞ΕΔϩάʹߏ Խϩάෆཁͳ߹͕ଟ͍Ͱ͢ɻ • ߏԽϩά machine-readable ʢSpringBootͷϦϑΝϨϯ εͰͷهड़ʣͰ͕͢ɺhuman-readableͰ͋Γ·ͤΜɻ •
IDEͷλʔϛφϧʹग़͢ͷैདྷ௨ΓϓϨʔϯςΩετ͕͓͢ ͢ΊͰ͢ɻΓସ͑ΒΕΔΑ͏ʹ͠ͱ͖·͠ΐ͏ɻ • ϓϨʔϯςΩετͷϩάݟ͍ͯ͘͢͜͠͏Ͷʁ
࣮Ͱߟ͑Δ͜ͱͷࡐྉ ʻग़͢ͱΑͦ͞͏ͳͷʼ
ग़͢ͱΑͦ͞͏ͳͷɿॲཧ࣌ؒ • ୯Ұ߲ͱͯ͠ɺmsΛͰग़͢ɻ • ϝοηʔδʹจࣈྻͰೖͬͯͨΒܭࢉʹख͕͔͔ؒΔɻ • ߏԽϩάͳΒҰൃͰܭࢉͰ͖Δɻ • LBͱ͔Tomcatͱ͔ͷΞΫηεϩάͰ͍͍Μ͚ͩͲɺ͋Θͤ ͯΞϓϦͷ࣌ؒ͋ΔͱࢥΘ͵ϘτϧωοΫ͕ݟ͔ͭͬͨΓ
͢Δɻ • ͲΕग़ͯͳ͍ͳΒ·ͣͲ͔ͬग़ͦ͏ʁ
ग़͢ͱΑͦ͞͏ͳͷɿॲཧ݁Ռ • ୯Ұ߲ͱͯ͠ग़͢ɻΧʔσΟφϦςΟʔԼ͛Δɻ • ूܭͯ͠ύΠνϟʔτͱ͔Ͱग़͢ͱঢ়گ͕Θ͔ΓΑ͍ɻ • ·͘͠ͳ͍݁ՌΛϑΟϧλϦϯά͢Δ࣌ͱཱ͔ͭɻ • ϩάϨϕϧͱͷΈ߹ΘͤͰߜΓࠐΊͨΓ͢Δ͚Ͳɺ୯Ұ ߲Ͱ͋Δͱख͕ؒݮΔɻ
• HTTP StatusͰࣄΓΔ͜ͱͦΕͳΓʹɻ
ग़͢ͱΑͦ͞͏ͳͷɿϦΫΤετݩ • ೝূϢʔβʔͷ໊લͱ͔ • σϑΥϧτͰग़ͨΓ͢Δ͚Ͳɺग़ͯͳ͍ͳΒՃ͠Α͏
ग़͢ͱΑͦ͞͏ͳͷɿϦΫΤετϔομ • ϦΫΤετύεˍϦΫΤετύϥϝλ • τϨʔεID͔ΒͬͨΓͰ͖ͳ͘ͳ͍͚ͲɺඞͣτϨʔ εID͔ΒḷΔͱ͔ͳΔͷແବɻ • ϩάΛ௨ͯ͠ύε͕ೖͬͯΔͱԿ͔ͱཱͭײ৮ɻ • ग़͢ͷબผ͠·͠ΐ͏Ͷɻ
ग़͢ͱΑͦ͞͏ͳͷɿۀతͳࣝผࢠ • ओཁͳID • ʮจIDʯͱ͔ɻ • Θ͔Γ࣍ୈMDCʹಥͬࠐΜͰɺͦͷID͕༗ޮͳؒͣͬͱೖͬ ͯΔͱḿΓ·͢ɻ • ʮSQLϩάʹ͔͠ग़ͯͳ͍ʯͱ͔ͭΒ͍ɻ
ग़͢ͱΑͦ͞͏ͳͷɿཱͪͦ͏ͳͷ • ௐࠪ࣌ʹखֻ͔Γʹ͍ͯ͠Δͷɺूܭͨ͠Βཱͪͦ͏ͳ ɺͳΜͰɻ • ग़ͯ͠ΈͯோΊͯΈͨΒؾ͖ͮଟ͍ • ಛʹΓ͡ΊԿͬͯͨΔͱࢥ͏ɻ • ߏԽϩάͳΒ͍͢͠͠ɺҾ͖͍͢ɻ
• ςΩετͩͱϝοηʔδʹೖΕΔͷ͕ؔͷࢁͰɺूܭͱ͔ ͮ͠Β͔ͬͨɻ • ྑ͔ͬͨͷଓ͚ͯɺΠϚΠνͳͷফͯ͠ɻҭͯΑ͏ɻ
࣮Ͱߟ͑Δ͜ͱͷࡐྉ ʻͦͷଞʼ
ੑೳ໘ • ϩάͷੑೳ͕ؾʹͳΔͱ͜ΖͰ·ͩࢼͯ͠ͳ͍Ͱ͢ • ͜ͷఔͷՃͳΒͦΜͳʹͳΒͳ͍ͱࢥ͏Μ͚ͩͲ • ͥͻଌఆͯ͠ڭ͍͑ͯͩ͘͞ʂʂ
ߏԽϩάͷઃܭ • ߏԽϩάͷઃܭʢΩʔͷܕʣҰେτϐοΫͰ͕͢ɺߟ ͑ํͷجຊσʔλϞσϦϯάͰ͢ɻϩάσʔλɻ • ಉ͡ͷಉ͡Ωʔ໊Ͱɺҧ͏ͷҧ͏Ωʔ໊Ͱѻ͏ɻ • ໎͏ͳΒҧ͏Ωʔ໊Λ͓ͬͯ͘ɻ • ಉ͡ΩʔΛҧ͏ҙຯͰ͏ͱݫ͍͠ɻ౷߹ൺֱత༰қɻ
• ͨͱ͑ "result" ͕ͱจࣈྻࠞࡏͩͱɺਓผͰ͖ͯ machine-readable͕ଛͳΘΕΔɻ • ࢲ·ͩख୳Γͯ͠Δײ͡ͳͷͰ࠷దղΒͳ͍Ͱ͢ɻ
ϩάपΓͷΈ͕Ͳ͏ͳͬͯΔ͔ • ϩάશମͷྲྀΕʹ͍ΛͤͯΈΑ͏ • ઌͷϩάҠૹ͘Μͱ͔ʢωʔϛϯάΑʢීஈͦΜͳݺͼํͯ͠ͳ͍ • ͍ΖΜͳͱ͜ͰϩάΛ͍ͬͯͨ͡Γ͢Δ • ϩάʹෆ۩߹ʢظ͢Δܗʹͳ͍ͬͯͳ͔ͬͨΓɺϩάϝο ηʔδ్͕தͰ్ΕͨΓʣ͕ى͖ͨ߹ɺͲ͜Ͱ͍ͬͯ
Δͷ͔ɺΈ͕Θ͔͍ͬͯΕΓ͚͕ૣ͘ͳΓ·͢ɻ • Θ͔͔ͬͨΒͱݴͬͯͤΔͱݴ͍ͬͯͳ͍
;Γ͔͑Γɿຊηογϣϯͷత ✓ߏԽϩάͷجຊΛཧղ͢Δ ✓SpringBoot3.4Ͱͷઃఆํ๏ΛΔ ✓࣮Ͱ׆༻͢ΔώϯτΛಘΔ ͍͚ͯͨʁ