Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
各レイヤーからのエラーについて考える
Search
yoshiyoshifujii
October 21, 2017
Programming
3
3.6k
各レイヤーからのエラーについて考える
関西Javaエンジニアの会(関ジャバ) '17 10月度
https://kanjava.connpass.com/event/68169/
yoshiyoshifujii
October 21, 2017
Tweet
Share
More Decks by yoshiyoshifujii
See All by yoshiyoshifujii
プロダクトオーナーの視座から見た信頼性とオブザーバビリティ / Reliability and Observability from the Perspective of a Product Owner
yoshiyoshifujii
1
1.6k
プロダクトオーナーがFour Keys + 信頼性に思うところ / Product Owners Think of Four Keys + Reliability
yoshiyoshifujii
0
540
Recapping Chatwork Scala Journey - ScalaMatsuri2023
yoshiyoshifujii
0
2.8k
ここ数ヶ月でAkkaを勉強した方法について紹介 / I have studied Akka in the past few months
yoshiyoshifujii
1
280
コードをどまんなかに据えたモデリング-Scala版 / Modeling with code in the middle-Scala version
yoshiyoshifujii
0
140
Chatworkのドメインをモデリングした / Modeling Chatwork domain
yoshiyoshifujii
0
870
サマーインターンシップ2019で学生とDDDなScala開発に取り組んだ / Working on DDD and Scala development with students at Summer Internship 2019
yoshiyoshifujii
2
4.2k
Clean Architecture in Practice @ScalaMatsuri2019
yoshiyoshifujii
9
4.1k
実践 Clean Architecture
yoshiyoshifujii
13
10k
Other Decks in Programming
See All in Programming
20250426 GDGoC 合同新歓 - GDGoC のススメ
getty708
0
110
MySQL初心者が311個のカラムにNot NULL制約を追加していってALTER TABLEについて学んだ話
hatsu38
2
140
Serving TUIs over SSH with Go
caarlos0
0
710
カオスに立ち向かう小規模チームの装備の選択〜フルスタックTSという装備の強み _ 弱み〜/Choosing equipment for a small team facing chaos ~ Strengths and weaknesses of full-stack TS~
bitkey
1
150
Jakarta EE Meets AI
ivargrimstad
0
930
Embracing Ruby magic
vinistock
2
250
20250429 - CNTUG Meetup #67 / DevOps Taiwan Meetup #69 - Deep Dive into Tetragon: Building Runtime Security and Observability with eBPF
tico88612
0
180
事業KPIを基に価値の解像度を上げる
nealle
0
120
データと事例で振り返るDevin導入の"リアル" / The Realities of Devin Reflected in Data and Case Studies
rkaga
3
2.2k
eBPF超入門「o11yに使える」とは (20250424_eBPF_o11y)
thousanda
1
120
Optimizing JRuby 10
headius
0
610
The New Developer Workflow: How AI Transforms Ideas into Code
danielsogl
0
140
Featured
See All Featured
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
105
19k
Site-Speed That Sticks
csswizardry
6
540
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
10
800
Build The Right Thing And Hit Your Dates
maggiecrowley
35
2.7k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
The Cost Of JavaScript in 2023
addyosmani
49
7.8k
A designer walks into a library…
pauljervisheath
205
24k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
52
2.5k
Building an army of robots
kneath
305
45k
Measuring & Analyzing Core Web Vitals
bluesmoon
7
420
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.3k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
30
2.4k
Transcript
֤ϨΠϠʔ͔Βͷ Τϥʔʹ͍ͭͯߟ͑Δ 4BU !ZPTIJZPTIJGVKJJ
͜Μʹͪ w:PTIJUBLB'VKJJ !ZPTIJZPTIJGVKJJ w4PGUXBSF&OHJOFFS w4DBMB+BWB1ZUIPO 5ZQFTDSJQU w4DBMBؔ4VNNJU4UB⒎
ձεϙϯαʔͬͯ·͢
ି͠ग़͠Ͱ͖Δ෦ w ηϛφʔϗʔϧ ໊ w ձٞࣨ ໊͔Β໊ w
ΧϑΣεϖʔε ໊ w ϏΞόογϡͳͲͷ࠙ձ։࠵ՄೳͰ͢ʂ
ࠓͷ͓ͷલఏ w3&45"1*ͷαʔόαΠυ ը໘ؚΈ·ͤΜ w4DBMB w࣮ફͯ͠Έͨ݁ՌΛཧ w.BZFSຊಡΜͰ·ͤΜ
Τϥʔͷྨ wϢʔβʔͷૢ࡞ΛىҼͱ͢ΔΤϥʔ wγεςϜͷোΛىҼͱ͢ΔΤϥʔ
Ϣʔβʔͷૢ࡞ΛىҼͱ͢Δ wܖʹҧ͢ΔΑ͏ͳૢ࡞ wඞਢɺ͞ɺܕɺॏෳͳͲ wجຊతʹը໘ଆͰ֬ೝ͢Δ wࠓճɺ"1*Λݺͼग़͢͜ͱΛఆ wෆਖ਼ΞΫηε
γεςϜͷোΛىҼͱ͢Δ w*0ྫ֎ w/FUXPSLɺ4ZTUFN%PXO wόά w͵ΔΆ
)551εςʔλείʔυ wϢʔβʔͷૢ࡞൪ wγεςϜͷো൪
υϝΠϯۦಈઃܭ
-BZFSFE"SDIJUFDUVSF w6TFS*OUFSGBDF w"QQMJDBUJPO w%PNBJO w*OGSBTUSVDUVSF &WBOT &SJD%PNBJO%SJWFO%FTJHO5BDLMJOH$PNQMFYJUZJOUIF)FBSUPG4PGUXBSF ,JOEMFͷҐஔ/P 1FBSTPO&EVDBUJPO,JOEMF൛
ࡾ υϝΠϯϞσϧ wϓϨθϯςʔγϣϯ wΞϓϦέʔγϣϯ wσʔλιʔε wυϝΠϯϞσϧ ૿ాږݱͰཱͭγεςϜઃܭͷݪଇʙมߋΛָͰ҆શʹ͢ΔΦϒδΣΫτࢦͷ࣮ફٕ๏ ,JOEMFͷҐஔ/P גࣜձٕࣾज़ධࣾ,JOEMF൛
ΦχΦϯΞʔΩςΫνϟ wΠϯλʔϑΣʔε wΞϓϦέʔγϣϯ wυϝΠϯ wΠϯϑϥετϥΫνϟ IUUQTTQFBLFSEFDLDPNDSPTTSPBETDBMBPOEEE TMJEF
ΠϯϑϥετϥΫνϟ Πϯϑϥ αʔϏε υϝΠϯ ϨΠϠʔͰѻ͏Τϥʔ ΠϯλʔϑΣʔε ΞϓϦέʔγϣϯ ϑΝΫτϦ ΤϯςΟςΟ υϝΠϯ
αʔϏε ϦϙδτϦ ΠϕϯτύϒϦ ογϟ ϦϙδτϦ࣮ Πϕϯτ ύϒϦογϟ࣮ +BWBϥΠϒϥϦ +%#$υϥΠό ྫ֎ ϦϙδτϦ Τϥʔ ΞϓϦέʔγ ϣϯΤϥʔ υϝΠϯ Τϥʔ ࢀߟIUUQTTQFBLFSEFDLDPNDSPTTSPBETDBMBPOEEE TMJEF 5SZ\ʜ^Ͱғͬͯྫ֎Λ 5SZܕʹม 5SZ
υϝΠϯ
υϝΠϯͷΤϥʔ wܖҧ wඞਢ wܕνΣοΫ w͞ɺ͔͞ wॏෳ w%PNBJO&SSPSܕ
ϦϙδτϦυϝΠϯͱಉ͡ wυϝΠϯʹϦϙδτϦΛఆٛ͢Δ wυϝΠϯͷΤϥʔܕͱಉ͡ʹ͢Δ͔
ϦϙδτϦͷΛߟ͑Δ wυϝΠϯͷӬଓԽ w࠶ੜ w*0ྫ֎ΛΑ͘ѻ͍ͦ͏
ϦϙδτϦͰҙ֎ͱߟྀ͖͢͜ͱ wָ؍ഉଞ 0QUJNJTUJD-PDLJOH w/PU'PVOE 0QUJPOPS'BJMVSF w͜ΕΒΛܕͰද໌ͨ͘͠ͳΔ
ϑΝΫτϦυϝΠϯͱಉ͡ wϑΝΫτϦυϝΠϯΛੜ͢Δ wυϝΠϯͷੜ࣌ʹܖҧΛ֬ೝ͢ Δ wυϝΠϯͷΤϥʔͱಉ͡Ͱྑ͍
ΠϕϯτύϒϦογϟ wυϝΠϯΠϕϯτͷύϒϦογϡ wܖҧͷݕূऴΘͬͨঢ়ଶ w*0ྫ֎ͷΈΛߟྀͰྑ͍
υϝΠϯαʔϏε wυϝΠϯͷϏδωεϧʔϧΛѻ͏ wܖҧΛѻ͏ wϦϙδτϦѻΘͳ͍
υϝΠϯͷΤϥʔܕ w%PNBJO&SSPSܕ w3FQPTJUPSZ&SSPSܕ wྫ֎ TDBMBVUJM5SZ
Πϯϑϥ ετϥΫνϟ
ΠϯϑϥετϥΫνϟ Πϯϑϥ αʔϏε υϝΠϯ ϨΠϠʔͰѻ͏Τϥʔ ΠϯλʔϑΣʔε ΞϓϦέʔγϣϯ ϑΝΫτϦ ΤϯςΟςΟ υϝΠϯ
αʔϏε ϦϙδτϦ ΠϕϯτύϒϦ ογϟ ϦϙδτϦ࣮ Πϕϯτ ύϒϦογϟ࣮ +BWBϥΠϒϥϦ +%#$υϥΠό ྫ֎ ϦϙδτϦ Τϥʔ ΞϓϦέʔγ ϣϯΤϥʔ υϝΠϯ Τϥʔ ࢀߟIUUQTTQFBLFSEFDLDPNDSPTTSPBETDBMBPOEEE TMJEF 5SZ\ʜ^Ͱғͬͯྫ֎Λ 5SZܕʹม 5SZ
ϦϙδτϦ࣮ wυϝΠϯͷఆٛʹै͏ w3%#ɺ,74ɺ"84 ,JOFTJTɺ424ɺ4 w+BWB-JCSBSZ wྫ֎ΛUSZDBUDIͯ͠$POWFSU w-JCSBSZͷґଘܕด͡ࠐΊΔ
ΠϕϯτύϒϦογϟ࣮ wྫ֎Λͦͷ··ѻ͏ wಛผʹܕΛఆٛͯ͠ѻΘͳ͍
ΠϯϑϥετϥΫνϟαʔϏε wυϝΠϯͰදݱ͢Δඞཁͷͳ͍Πϯϑϥ ૢ࡞ wϑΝΠϧΞοϓϩʔυΛςϯϙϥϦʔʹ Ұ࣌อଘ w҉߸Խ෮߸
ΠϯϑϥετϥΫνϟͷΤϥʔܕ w3FQPTJUPSZ&SSPSܕ wྫ֎
ΞϓϦέʔγϣϯ
ΠϯϑϥετϥΫνϟ Πϯϑϥ αʔϏε υϝΠϯ ϨΠϠʔͰѻ͏Τϥʔ ΠϯλʔϑΣʔε ΞϓϦέʔγϣϯ ϑΝΫτϦ ΤϯςΟςΟ υϝΠϯ
αʔϏε ϦϙδτϦ ΠϕϯτύϒϦ ογϟ ϦϙδτϦ࣮ Πϕϯτ ύϒϦογϟ࣮ +BWBϥΠϒϥϦ +%#$υϥΠό ྫ֎ ϦϙδτϦ Τϥʔ ΞϓϦέʔγ ϣϯΤϥʔ υϝΠϯ Τϥʔ ࢀߟIUUQTTQFBLFSEFDLDPNDSPTTSPBETDBMBPOEEE TMJEF 5SZ\ʜ^Ͱғͬͯྫ֎Λ 5SZܕʹม 5SZ
ΞϓϦέʔγϣϯαʔϏε wϢʔεέʔεهड़Λॻ͘Α͏ʹ wϢʔεέʔεͱͯ͠ΤϥʔΛද໌͢Δ w%PNBJO&SSPS 3FQPTJUPSZ&SSPS ྫ֎ Λ$POWFSU
ΞϓϦέʔγϣϯΤϥʔ wϢʔεέʔεͱͯ͠ͷ Τϥʔද໌ w/PU'PVOE w#BE3FRVFTU w4ZTUFN&SSPS
$POWFSUΛཧ w%PNBJO&SSPS"QQMJDBUJPO&SSPS w3FQPTJUPSZ&SSPS"QQMJDBUJPO&SSPS wྫ֎"QQMJDBUJPO&SSPS
$POWFSUΛཧ wΤϥʔܕΛද໌ͨ͜͠ͱͰ$POWFSU͕ େม wશͯ"QQMJDBUJPO&SSPSʹ͢Δ w$POWFSUΛ͏·࣮͘͠ͳ͍ͱਏ͍
object ApplicationErrorConverters { implicit class DomainError2ApplicationError[E](val e: Either[DomainError, E]) extends
AnyVal { def toApplicationError: Either[ApplicationError, E] = e.fold( l => Left(BadRequestError(Option(l.message))), Right(_) ) } }
object ApplicationErrorConverters { implicit class RepositoryError2ApplicationError[E](val e: Either[RepositoryError, E]) extends
AnyVal { def toApplicationError: Either[ApplicationError, E] = e.fold( { case _: RepositoryOptimisticError => Left(ConflictError) case _: RepositoryNotFoundError => Left(NoContentsError) case _: RepositoryAlreadyExistsError => Left(BadRequestError(Some("already_exists"))) case RepositorySystemError(t) => Left(InternalServerError(t)) }, Right(_) ) } }
object ApplicationErrorConverters { implicit class Try2ApplicationError[E](val e: Try[E]) extends AnyVal
{ def toApplicationError: Either[ApplicationError, E] = e.fold( e => Left(InternalServerError(e)), Right(_) ) } }
ΠϯλʔϑΣʔε
ΠϯϑϥετϥΫνϟ Πϯϑϥ αʔϏε υϝΠϯ ϨΠϠʔͰѻ͏Τϥʔ ΠϯλʔϑΣʔε ΞϓϦέʔγϣϯ ϑΝΫτϦ ΤϯςΟςΟ υϝΠϯ
αʔϏε ϦϙδτϦ ΠϕϯτύϒϦ ογϟ ϦϙδτϦ࣮ Πϕϯτ ύϒϦογϟ࣮ +BWBϥΠϒϥϦ +%#$υϥΠό ྫ֎ ϦϙδτϦ Τϥʔ ΞϓϦέʔγ ϣϯΤϥʔ υϝΠϯ Τϥʔ ࢀߟIUUQTTQFBLFSEFDLDPNDSPTTSPBETDBMBPOEEE TMJEF 5SZ\ʜ^Ͱғͬͯྫ֎Λ 5SZܕʹม 5SZ
"QQMJDBUJPO&SSPSΛ$POWFSU w)551εςʔλεʹม w/PU'PVOE w#BE3FRVFTU w*OUFSOBM4FSWFS&SSPS
)551Ҏ֎ͷΠϯλϑΣʔε w4VCTDSJCFS w3FDJFWFS w$PNNBOE-JOF*OUFSGBDF
4VCTDSJCFS w/PU'PVOE4LJQ w#BE3FRVFTU4LJQ w*OUFSOBM4FSWFS&SSPS3FUSZ
ΠϯλϑΣʔεʹґଘ͢Δ wΠϯλϑΣʔε͕)551ͳΒ)551ʹ w4VC3FDJFWFSͳΒ4LJQ͔3FUSZ wӬԕʹղফ͞Εͳ͍3FUSZΛ࡞ͬͯॲ ཧΛԆͤ͞ͳ͍Α͏அ͕ཁΔ
'JO