{"post":{"id":"63d8f00d7f4101210c166302","_id":"63d8f00d7f4101210c166302","coverImage":{"isPortrait":false,"url":"https://cdn.hashnode.com/res/hashnode/image/stock/unsplash/nzyzAUsbV0M/upload/21fb473d8b8b9266c9cb1d47e0cfe07d.jpeg","__typename":"PostCoverImage"},"slug":"a-jvm-crash-analysis","readTime":3,"replyCount":1,"responseCount":1,"brief":"1.1 Background\nCrash Time: 2023-01-30, around 15:30 after a half-month vacation.\nHere's the simplified architecture:\nNote: The system is deployed in LAN.\n +--------------+\n ...","subtitle":null,"isFeatured":false,"contributors":[{"_id":"5762357f734d6d686c0f568a","name":"Shai Almog","photo":"https://cdn.hashnode.com/res/hashnode/image/upload/v1660736250294/1dzILE671.png","username":"codenameone","__typename":"User"}],"bookmarked":false,"views":18,"url":"https://backend-with-java.hashnode.net/a-jvm-crash-analysis","totalReactions":0,"title":"A JVM Crash Analysis","dateAdded":"2023-01-31T10:40:13.118Z","cuid":"cldk3z132000509l08k0z8b8e","preferences":{"disableComments":false,"__typename":"PostPreferences"},"__typename":"Post","seo":{"title":null,"description":null,"__typename":"SEO"},"ogMetaData":{"image":null,"__typename":"OpenGraphMetaData"},"author":{"_id":"626f693e238a6ff3d7dc7754","name":"Li Qi","photo":"https://cdn.hashnode.com/res/hashnode/image/upload/v1651662024921/AJzYyWw5I.png","isPro":false,"username":"CharlesLi","__typename":"User","tagline":"Java Backend Developer"},"coAuthors":[],"series":null,"tags":[{"_id":"56744721958ef13879b94c9f","logo":"https://cdn.hashnode.com/res/hashnode/image/upload/v1534512378322/H1gM-pH4UQ.png","name":"Java","slug":"java","__typename":"Tag"},{"_id":"5674471d958ef13879b94762","logo":null,"name":"jvm","slug":"jvm","__typename":"Tag"}],"publication":{"_id":"626f6a21a2d355d4df441811","url":"https://backend-with-java.hashnode.net","canonicalURL":"https://backend-with-java.hashnode.net","title":"Li Qi's blog","displayTitle":null,"isHeadless":false,"favicon":null,"headerColor":"#2962FF","metaTags":null,"isTeam":false,"domainInfo":{"hashnodeSubdomain":"backend-with-java","domain":null,"__typename":"DomainInfo"},"urlPattern":"SIMPLE","__typename":"Publication"},"comments":{"edges":[{"node":{"id":"63d92122aa8c8258b0607c85","author":{"_id":"5762357f734d6d686c0f568a","name":"Shai Almog","photo":"https://cdn.hashnode.com/res/hashnode/image/upload/v1660736250294/1dzILE671.png","isPro":false,"username":"codenameone","__typename":"User"},"content":{"html":"

That's a problem with how Google is so broken. Knowledge gets lost. I wrote the "right way" to debug core dumps in Java in my debugging book and course.

You need to use jhsdb to debug the core.

\n","markdown":"That's a problem with how Google is so broken. Knowledge gets lost. I wrote the \"right way\" to debug core dumps in Java in [my debugging book](https://www.amazon.com/dp/1484290410/) and [course](https://course.debugagent.com).\n\nYou need to use jhsdb to debug the core.","text":"That's a problem with how Google is so broken. Knowledge gets lost. I wrote the \"right way\" to debug core dumps in Java in my debugging book and course.\nYou need to use jhsdb to debug the core.\n","__typename":"Content"},"dateAdded":"2023-01-31T14:09:38.537Z","stamp":"cldkbgcmg00uj4onvc9ft16n0","totalReactions":0,"__typename":"Comment","replies":{"edges":[{"node":{"id":"63d9bca8672b295ef3b4100d","author":{"_id":"626f693e238a6ff3d7dc7754","name":"Li Qi","photo":"https://cdn.hashnode.com/res/hashnode/image/upload/v1651662024921/AJzYyWw5I.png","isPro":false,"username":"CharlesLi","__typename":"User"},"content":{"html":"

Hi, thanks for reply. No ad please!

\n","markdown":"Hi, thanks for reply. No ad please!","text":"Hi, thanks for reply. No ad please!\n","__typename":"Content"},"dateAdded":"2023-02-01T01:13:12.193Z","stamp":"cldkz5p1c0023d7nv5q6yd8e7","totalReactions":0,"__typename":"Reply"},"__typename":"CommentReplyEdge"}],"pageInfo":{"hasNextPage":false,"endCursor":"MQ==","__typename":"PageInfo"},"__typename":"CommentReplyConnection"}},"__typename":"PostCommentEdge"}],"pageInfo":{"hasNextPage":false,"endCursor":"MQ==","__typename":"PageInfo"},"__typename":"PostCommentConnection"},"commenters":{"edges":[{"node":{"_id":"5762357f734d6d686c0f568a","name":"Shai Almog","photo":"https://cdn.hashnode.com/res/hashnode/image/upload/v1660736250294/1dzILE671.png","isPro":false,"username":"codenameone","__typename":"User"},"__typename":"PostCommenterEdge"}],"__typename":"PostCommenterConnection"}}}

A JVM Crash Analysis

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