我刚看了一些jdk11里面找不到rt.jar了，一头雾水，不知如何下手。

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请问有没有计划升级此jvm来支持java11？ about jvm.go HOT 4 CLOSED

zxh0 commented on July 20, 2024

请问有没有计划升级此jvm来支持java11？

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zxh0 commented on July 20, 2024 1

hi @daniel-santos jvm.go doesn't work with jdk9+ :(
I have a plan to rewrite it, but I need to find some free time to do so.

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zxh0 commented on July 20, 2024

有，但是暂时没有时间 ;(

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daniel-santos commented on July 20, 2024

This is very weird. I guess they are moving to some strange jmod format? I'm using Gentoo and these are the largest files in dev-java/openjdk:

(daniel@love)$ ll -Sr $(qlist --exact 'dev-java/openjdk')| tail -10
-rw-r--r-- 1 root root   4489123 Apr 24 19:54 /usr/lib64/openjdk-11/lib/ct.sym
-rw-r--r-- 1 root root   5116496 Apr 24 19:54 /usr/lib64/openjdk-11/jmods/java.xml.jmod
-rw-r--r-- 1 root root   6176331 Apr 24 19:54 /usr/lib64/openjdk-11/jmods/jdk.internal.vm.compiler.jmod
-rw-r--r-- 1 root root   6757241 Apr 24 19:54 /usr/lib64/openjdk-11/jmods/jdk.compiler.jmod
-rw-r--r-- 1 root root   9554755 Apr 24 19:54 /usr/lib64/openjdk-11/jmods/jdk.localedata.jmod
-rw-r--r-- 1 root root  18082880 Apr 24 20:04 /usr/lib64/openjdk-11/lib/server/libjvm.so
-rw-r--r-- 1 root root  20217226 Apr 24 19:54 /usr/lib64/openjdk-11/jmods/java.desktop.jmod
-rw-r--r-- 1 root root  57846550 Apr 24 19:54 /usr/lib64/openjdk-11/lib/src.zip
-rw-r--r-- 1 root root 141036497 Apr 24 19:54 /usr/lib64/openjdk-11/lib/modules
-rw-r--r-- 1 root root 258323916 Apr 24 19:54 /usr/lib64/openjdk-11/jmods/java.base.jmod

The only .jar file is 104kB:

(daniel@love)$ ll /usr/lib64/openjdk-11/lib/jrt-fs.jar
-rw-r--r-- 1 root root 106238 Apr 24 19:54 /usr/lib64/openjdk-11/lib/jrt-fs.jar

@zxh0 btw, I love your jvm :) I haven't played with it enough yet though.

EDIT: I guess this is good though, because I read that jmod files can store native libraries as well: http://mail.openjdk.java.net/pipermail/jigsaw-dev/2018-April/013762.html

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zxh0 commented on July 20, 2024

hi @kayodesu @daniel-santos , i have done some work (on jdk13 branch) to switch to jdk13. "Hello World" works now, but still have a lot of things to do .

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