Release Apache SkyWalking APM 8.9.1

Release Apache SkyWalking 8.9.1.

By SkyWalking Team | Saturday, December 11, 2021

SkyWalking 8.9.1 is released. Go to downloads page to find release tars.

Changes by Version

Project

Upgrade log4j2 to 2.15.0 for CVE-2021-44228. This CVE only effects on JDK versions below 6u211, 7u201, 8u191 and 11.0.1 according to the post. Notice, using JVM option -Dlog4j2.formatMsgNoLookups=true also avoids CVE if your JRE opened JNDI in default.

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