Thank you for the answer. Please, if you have time, watch this PR with fixing docs according to the changes in 20.1. https://github.com/apache/activemq-artemis/pull/3921
-- Regards, Sergei Vaisman -----Original Message----- From: Justin Bertram <jbert...@apache.org> Sent: 20 января 2022 г. 17:49 To: users@activemq.apache.org Subject: Re: Using artemis 2.20 with java 8 ActiveMQ Artemis 2.20.0 requires Java 11 or above. This is noted in several places: 1) the release notes [1] 2) the release announcement [2] on this mailing list 3) this thread [3] on this mailing list regarding any users who still need Java 8 support Justin [1] https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Factivemq.apache.org%2Fcomponents%2Fartemis%2Fdownload%2Frelease-notes-2.20.0&data=04%7C01%7C%7C952c4d33ffa84035550008d9dc241a1f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637782869896115417%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=ZWZurvrjRwC8z05UhK05xkKJodr5O%2F1%2FEVwR3HWdqi4%3D&reserved=0 [2] https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.apache.org%2Fthread%2F5174j00n0dmsk0wyhd0c4pv1t4lhl8xw&data=04%7C01%7C%7C952c4d33ffa84035550008d9dc241a1f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637782869896115417%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=Z%2BQ7dcnyTkI8iC%2FnGOn%2BJk%2Blu4fj05qBoTvODFrxZ5I%3D&reserved=0 [3] https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.apache.org%2Fthread%2Ftbmrgvgq3scpbpmns9ndnqhc1nb93zr5&data=04%7C01%7C%7C952c4d33ffa84035550008d9dc241a1f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637782869896115417%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=6SnpcN8%2B%2FITYsXCRUSE3%2FMJ7vxIuCR1KNv5AlTbAfns%3D&reserved=0 On Thu, Jan 20, 2022 at 8:37 AM Sergei Vaisman <vays...@live.com> wrote: > Hello. > > I'm trying to upgrade from artemis 2.19 to 2.20 and see that for 2.20 > I need to use at least java 11: > > > artemis create broker2 > Error: A JNI error has occurred, please check your installation and > try again Exception in thread "main" > java.lang.UnsupportedClassVersionError: > org/apache/activemq/artemis/boot/Artemis has been compiled by a more > recent version of the Java Runtime (class file version 55.0), this > version of the Java Runtime only recognizes class file versions up to 52.0 > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:756) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) > at java.net.URLClassLoader.access$100(URLClassLoader.java:74) > at java.net.URLClassLoader$1.run(URLClassLoader.java:369) > at java.net.URLClassLoader$1.run(URLClassLoader.java:363) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:362) > at java.lang.ClassLoader.loadClass(ClassLoader.java:418) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) > at java.lang.ClassLoader.loadClass(ClassLoader.java:351) > at > sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:601) > > > Accordingly to the latest documentation, java 1.8 is required version: > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fact > ivemq.apache.org%2Fcomponents%2Fartemis%2Fdocumentation%2Flatest%2Fusi > ng-server.html&data=04%7C01%7C%7C952c4d33ffa84035550008d9dc241a1f% > 7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637782869896115417%7CUnkn > own%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwi > LCJXVCI6Mn0%3D%7C3000&sdata=NiHY%2BqfEmVw1U%2BeJTe5q%2BCy2H1dgSIy2 > QVOIhKVkmhk%3D&reserved=0 "Please note that Apache ActiveMQ > Artemis requires a Java 8 or later." > > So, is this statement in documentation outdated and for version 2.20 > JDK > 11 is required? > Or is the distributive from Downloads is built using wrong compiler > version? > > > -- > Regards, > Sergei Vaisman >
