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Javaã«é–¢ã™ã‚‹kutakutatriangleã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (91)

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ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³è§£ä½“æ–°æ›¸ - kawasima
ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³è§£ä½“æ–°æ›¸ 2025/4/8ã«é–‹å‚¬ã—ãŸ #ã‚¢ãƒ¼ã‚éƒ¨ ã€Žãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³è§£ä½“æ–°æ›¸ã€ã®å†…å®¹ã‚’ç·¨é›†ã—ãŸã‚‚ã®ã§ã™ã€‚ ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã¯ä½•ã‹? åºƒç¾©ã«ã¯ã€ ä½•ã‚‰ã‹ã®å‡¦ç†ã‚’å®Ÿæ–½ã™ã‚‹ã«ã‚ãŸã£ã¦ã€å…¥åŠ›ãƒ‡ãƒ¼ã‚¿ãŒæƒ³å®šã™ã‚‹æ¡ä»¶ã‚’æº€ãŸã™ã‹ã‚’æ¤œè¨¼ã™ã‚‹è¡Œç‚º ã¨è¨€ãˆã‚‹ã€‚ ã“ã®å®šç¾©ã§ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã©ã“ã§ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ã—ã¦ã„ã‚‹ã®ã‹ã‚’è€ƒãˆã‚‹ã¨ã€ä»¥ä¸‹ã®ã‚ˆã†ã«å„å±¤ã«ãã‚ŒãŒè¦‹ã‚‰ã‚Œã‚‹ã€‚ ã“ã®ã‚ˆã†ã«å®Ÿè£…ã•ã‚Œã‚‹å ´æ‰€ãŒæ•£ã‚‰ã°ã‚‹ã®ã§ã€ã€Œãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã€ã‚„ã€Œå…¥åŠ›ãƒã‚§ãƒƒã‚¯ã€ã‚’åˆ†é¡žã—ã¦é–‹ç™ºã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³ã‚’ä½œã‚‹ã“ã¨ãŒå¤šã„ã€‚ ä¾‹ãˆã°ã€å¤§è¦æ¨¡Javaé–‹ç™ºå‘ã‘ã®TERASOLUNAé–‹ç™ºã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³ã‚’è¦‹ã¦ã¿ã‚‹ã¨ã€ ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒå…¥åŠ›ã—ãŸå€¤ãŒä¸æ£ã‹ã©ã†ã‹ã‚’æ¤œè¨¼ã™ã‚‹ã“ã¨ã¯å¿…é ˆã§ã‚ã‚‹ã€‚ å…¥åŠ›å€¤ã®æ¤œè¨¼ã¯å¤§ããåˆ†ã‘ã¦ã€ 1. é•·ã•ã‚„å½¢å¼ãªã©ã€æ–‡è„ˆã«ã‚ˆã‚‰ãšå…¥åŠ›å€¤ã ã‘ã‚’è¦‹ã¦ã€ãã‚ŒãŒå¦¥å½“ã‹ã©ã†ã‹ã‚’åˆ¤å®šã§ãã‚‹æ¤œè¨¼ 2. ã‚·ã‚¹ãƒ†ãƒ ã®çŠ¶æ…‹ã«ã‚ˆã£ã¦å…¥åŠ›å€¤ãŒå¦¥å½“ã‹ã©ã†ã‹
kutakutatriangle 2025/04/11
ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³

Java
ãƒªãƒ³ã‚¯
Kubernetesã§ã‚¢ãƒ—ãƒªã®å®‰å®šç¨¼åƒã¨é«˜é »åº¦ã®ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã‚’ä¸¡ç«‹ã™ã‚‹ãŸã‚ã®ãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ / Best Practices for Applications on Kubernetesï¿½to Achieve Both Frequent Updates and Stability
Kubernetesã§ã‚¢ãƒ—ãƒªã®å®‰å®šç¨¼åƒã¨é«˜é »åº¦ã®ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã‚’ä¸¡ç«‹ã™ã‚‹ãŸã‚ã®ãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ / Best Practices for Applications on Kubernetes to Achieve Both Frequent Updates andÂ Stability
kutakutatriangle 2024/04/04
Kubernetes

k8s

Java
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JenkinsãŒJava 8ã®å¯¾å¿œã‚’çµ‚äº†ã—ã€Java 11ãŒå¿…é ˆã«ã€‚Java 17ã®å¯¾å¿œã‚‚é–‹å§‹
Jenkinsé–‹ç™ºãƒãƒ¼ãƒ ã¯ã€6æœˆ28æ—¥ãƒªãƒªãƒ¼ã‚¹ã®Jenkins 2.357ãŠã‚ˆã³9æœˆã«ãƒªãƒªãƒ¼ã‚¹äºˆå®šã®Jenkins LTSç‰ˆã‹ã‚‰ã¯Jenkinsã®å®Ÿè¡Œç’°å¢ƒã¨ã—ã¦Java 11ãŒå¿…é ˆã«ãªã‚‹ã“ã¨ã‚’ã€ãƒ–ãƒã‚°ã€ŒJenkins requires Java 11ã€ã§æ˜Žã‚‰ã‹ã«ã—ã¾ã—ãŸã€‚ ã“ã‚Œã¾ã§Jenkinsã¯Java 8ã‚‚ã—ãã¯Java 11ã‚’å®Ÿè¡Œç’°å¢ƒã¨ã—ã¦ã„ã¾ã—ãŸãŒã€Java 8ã®å¯¾å¿œãŒãªããªã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ Jenkins 2.357 released today as the first Jenkins version to require Java 11. @bcrow shares the history of Java support in Jenkins and the benefits of the update. https://t.co/FPTNBTG3jK pic.twitte
kutakutatriangle 2022/07/07
Java

DevOps

Continuous Integration

techfeed
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ãƒžã‚¤ã‚¯ãƒã‚µãƒ¼ãƒ“ã‚¹ã®â€œã‚¢ãƒ¬ã‚³ãƒ¬â€ã‚’å¾¹åº•è¨Žè«–ã€æœ€é©è§£ã¯æœ¬å½“ã«Javaãªã®ã‹ï¼Ÿ
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kutakutatriangle 2022/07/06
Software Design

Java

techfeed
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Reddit - The heart of the internet
News, Technical discussions, research papers and assorted things of interest related to the Java programming language NO programming help, NO learning Java related questions, NO installing or downloading Java questions, NO JVM languages - Exclusively Java
kutakutatriangle 2021/12/13
Java
ãƒªãƒ³ã‚¯
Log4Shell: RCE 0-day exploit found in log4j, a popular Java logging package | LunaTrace
Originally Posted @ December 9th & Last Updated @ August 1st, 3:30pm PDT Fixing Log4Shell? Claim a free vulnerability scan on our dedicated security platform and generate a detailed report in minutes. What is it?â€‹On Thursday, December 9th a 0-day exploit in the popular Java logging library log4j (version 2), called Log4Shell, was discovered that results in Remote Code Execution (RCE) simply by log
kutakutatriangle 2021/12/10
Java

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

security
ãƒªãƒ³ã‚¯
Which Version of JDK Should I Use?
You have to decide if you want to stick with the latest LTS version, or if you go with the latest feature release and upgrade every six months. Both options are okay, but if youâ€™re uncertain, stick with the latest LTS version. The OpenJDK project itself is managed on openjdk.java.net where you can find specifications, source code, and mailing lists, but there are no builds that you can download. Y
kutakutatriangle 2021/10/11
Java
ãƒªãƒ³ã‚¯
Off-Heap memory reconnaissance
kutakutatriangle 2021/06/07
Java
ãƒªãƒ³ã‚¯
100ä¸‡ä»¶ãã‚‰ã„ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’æ‰±ã£ãŸã‚‰OOMEãŒå‡ºãŸè©±ã€‚ - è°·æœ¬ å¿ƒ in ã›ã‚éƒ¨å±‹
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kutakutatriangle 2020/08/13
postgresql

Java

DB
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ã€ŒJavaã®é‰±è„ˆã€ã§PITã®è¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸ | ã•ã«ã‚ã‚‰ãš
WEB+DB PRESS ã® Vol.90 ã§ã€ãƒŸãƒ¥ãƒ¼ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ãƒ†ã‚¹ãƒˆã®è¨˜äº‹ã‚’æ›¸ã„ãŸã®ã§æ˜¯éžèªã‚“ã§ãã ã•ã—ã€‚ 2015/12/23 ç™ºå£²ã§ã™ã®ã§ã€æ—¢ã«è³¼å…¥é ‚ã„ã¦ã‚‹æ–¹ã‚‚å¤šã„ã¨æ€ã„ã¾ã™ã€‚ ä»Šå›žã¯ã€git ã®è¨˜äº‹ã¨ãƒ‰ãƒ©ã‚¯ã‚¨ã®è¨˜äº‹ãŒã‚¹ã‚²ã‚§é¢ç™½ã„ã®ã§ãƒ¡ã‚¬ãƒƒã‚µã‚ªã‚¹ã‚¹ãƒ¡ã§ã™ã€‚ é›»åæ›¸ç±ç‰ˆã‚‚ã‚ã‚Šã¾ã™ã®ã§ç‰©ç†çš„ãªåª’ä½“ã«èˆˆå‘³ãŒãªã„æ–¹ã¯ PDF ã‚’è²·ã£ã¦ä¸‹ã•ã„ã€‚ https://gihyo.jp/dp/ebook/2015/978-4-7741-7855-4 ä»Šå›žã®è¨˜äº‹ã«ãŠã‘ã‚‹å¯¾è±¡èªè€…ã«ã¤ã„ã¦â€‹ ä»Šå›žã®è¨˜äº‹ã¯ JUnit ã«ã‚ˆã‚‹ãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆã¯æ›¸ã„ã¦ã„ã¦ã€Maven ãªã‚Š Gradle ãªã‚Šã§ã‚³ãƒ¼ãƒ‰ã‚«ãƒãƒ¬ãƒ¼ã‚¸ã‚’ CI ã‚µãƒ¼ãƒã§å–ã‚‹ãã‚‰ã„ã®ã“ã¨ã¯ã—ã¦ã„ã‚‹ã¨ã„ã†çš†æ§˜ã«èªã‚“ã§é ‚ããŸã„ã¨è€ƒãˆã¦ã„ã¾ã™ã€‚ è¨˜äº‹ã®å†…å®¹ã«ã¤ã„ã¦â€‹ ä¸èº«ã¯ã©ã†ã‚ã‚Œ JUnit ä½¿ã£ãŸãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆã‚’æ›¸ãã¨ã„ã†ã®ã¯ã€ã¿ãªã•ã‚“ã‚„ã£ã¦ã‚‹ã¨æ€ã†ã‚“ã§ã™ã‚ˆ
kutakutatriangle 2020/01/20
ãƒ„ãƒ¼ãƒ«

Java

ãƒ†ã‚¹ãƒˆ

è¨è¨ˆ
ãƒªãƒ³ã‚¯
TOMCATæ®ºå®³äº‹ä»¶ - Qiita
OOMKillerã®æ®ºæ„ é¡§å®¢EC2ã®TomcatãŒã‚¢ã‚¯ã‚»ã‚¹ã®ç„¡ã„æ—©æœã«ã‚‚ã‹ã‹ã‚ã‚‰ãšOOMKillerã«çªç„¶æ®ºã•ã‚Œã¦ã—ã¾ã£ãŸã®ã§ã€èª¿æŸ»ã—ãŸé¡›æœ«ã‚’ãŸã¶ã‚“åŒã˜ã‚ˆã†ãªå•é¡Œã«ç›´é¢ã•ã‚Œã¦ã„ã‚‹æ–¹ã‚‚ãŠã‚‰ã‚Œã‚‹ã‹ã¨æ€ã„ã¾ã™ã®ã§å‚™å¿˜éŒ²ã¨ã—ã¦è¨˜è¼‰ã—ã¾ã™ã€‚ Javaãƒ’ãƒ¼ãƒ—ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã«ã‚‚å¤šå°‘å½¹ç«‹ã¤ã‹ã¨æ€ã„ã¾ã™ã€‚ ï¼ˆã“ã®è¨˜äº‹ã¯Java8ãŒå¯¾è±¡ã¨ãªã‚Šã¾ã™ã€‚ï¼‰ OOMKillerã¨ã¯Out of Memoryæ™‚ã«ã€ã‚µãƒ¼ãƒå…¨ä½“ã‚’å®ˆã‚‹ãŸã‚ã«ãƒ¡ãƒ¢ãƒªãƒ¼ã‚’æ¶ˆè²»ã—ã¦ã„ã‚‹ãƒ—ãƒã‚»ã‚¹ã‚’åœæ¢ã™ã‚‹Linuxã®æ¨™æº–æ©Ÿèƒ½ã§ã™ã€‚ ãã®OOMKillerã«ãªã‚“ã¨TomcatãŒçªç„¶æ®ºå®³ã•ã‚Œã¦ã—ã¾ã„ã¾ã—ãŸã€‚ å•ç”ç„¡ç”¨ã®è¾»æ–¬ã‚ŠçŠ¶æ…‹ã§ã™ã€‚ æ—©æœã§ã™ã®ã§ã‚¢ã‚¯ã‚»ã‚¹ãƒã‚°ã«ã¯ä½•ã‚‚è¨˜éŒ²ã•ã‚Œã¦ãŠã‚‰ãšã€catalina.outã«ã¯ OpenJDK 64-Bit Server VM warning: Setting LargePageSizeInBytes has no
kutakutatriangle 2020/01/10
Java

Qiita

JVM

ãƒ¡ãƒ¢ãƒª
ãƒªãƒ³ã‚¯
JVM Anatomy Park
"JVM Anatomy Quarks" is the on-going mini-post series, where every post is describing some elementary piece of knowledge about JVM. The name underlines the fact that the single post cannot be taken in isolation, and most pieces described here are going to readily interact with each other. The post should take about 5-10 minutes to read. As such, it goes deep for only a single topic, a single test,
kutakutatriangle 2020/01/07
Java

JVM
ãƒªãƒ³ã‚¯
Stack Overflowã§æœ€ã‚‚ã‚³ãƒ”ãƒšã•ã‚ŒãŸJavaã‚³ãƒ¼ãƒ‰ã€å®Ÿã¯ãƒã‚°ã‚ã‚Š
Fossbytesã¯12æœˆ6æ—¥(ç±³å›½æ™‚é–“)ã€ã€ŒStackOverflow's Most Copied Java Code Snippet Has A 'Bug'ã€ã«ãŠã„ã¦ã€Stack Overflowã§æœ€ã‚‚ã‚³ãƒ”ãƒ¼ï¼†ãƒšãƒ¼ã‚¹ãƒˆã•ã‚ŒãŸJavaã®ã‚³ãƒ¼ãƒ‰ã‚¹ãƒ‹ãƒšãƒƒãƒˆã«ãƒã‚°ãŒã‚ã‚‹ã¨ä¼ãˆãŸã€‚Stack Overflowã«æŽ²è¼‰ã•ã‚Œã‚‹ã‚³ãƒ¼ãƒ‰ã‚¹ãƒ‹ãƒšãƒƒãƒˆã¯ã€é–‹ç™ºè€…ãŒãã®ã¾ã¾ã‚³ãƒ”ãƒ¼ï¼†ãƒšãƒ¼ã‚¹ãƒˆã—ã¦æ´»ç”¨ã—ã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã£ã¦ã„ã‚‹ã€‚ ã“ã‚Œã¾ã§Stack Overflowã§æœ€ã‚‚ã‚³ãƒ”ãƒšã•ã‚ŒãŸã‚³ãƒ¼ãƒ‰ã‚¹ãƒ‹ãƒšãƒƒãƒˆã¯ã€Andreas Lundbladæ°ãŒæŠ•ç¨¿ã—ãŸã€Œformatting - How to convert byte size into human readable format in java? - Stack Overflowã€ã¨è¨€ã‚ã‚Œã¦ã„ã‚‹ã€‚ 2010å¹´ã«æŠ•ç¨¿ã•ã‚ŒãŸã“ã®ã‚³ãƒ¼ãƒ‰ã‚¹ãƒ‹ãƒšãƒƒãƒˆã¯ãƒã‚¤ãƒˆæ•°ã‚’äººé–“ãŒèªã¿ã‚„ã™ã„å½¢ã«
kutakutatriangle 2019/12/17
Java
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[è©³èª¬] Kinesis Client Library for Java ã«ã‚ˆã‚‹ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒžã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å®Ÿè£…
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kutakutatriangle 2019/11/21
Kinesis

aws

python

Java
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PacketProxyã‚’è§¦ã£ã¦ã¿ã¾ã—ãŸ - ã‚»ã‚ãƒ¥ã‚¢ã‚¹ã‚«ã‚¤ãƒ—ãƒ©ã‚¹
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kutakutatriangle 2019/10/05
DeNA

Java

proxy
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kutakutatriangle 2019/04/19
Java

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kutakutatriangle 2019/02/20
OpenJDK

Java

ã‚·ã‚¹ãƒ†ãƒ
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Introducing Amazon Corretto, a No-Cost Distribution of OpenJDK with Long-Term Support | Amazon Web Services
AWS Open Source Blog Introducing Amazon Corretto, a No-Cost Distribution of OpenJDK with Long-Term Support Update! Amazon Corretto became Generally Available on January 31st, 2019. Java is one of the most popular languages in use by AWS customers, and we are committed to supporting Java and keeping it free. Many of our customers have become concerned that they would have to pay for a long-term sup
kutakutatriangle 2018/11/14
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Amazon

Java
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kutakutatriangle 2018/11/11
Scala

ã‚¨ãƒ©ãƒ¼ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°

Java
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kutakutatriangle 2018/03/31
Oracle

Java

ãƒ©ã‚¤ã‚»ãƒ³ã‚¹

JDK
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