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Stefan Bodewig commented on COMPRESS-507: ----------------------------------------- I'm not familiar with Proguard and am afraid we cannot offer a workaround - other than not using Java 14+ - right now. > Commons Compress cannot be built with JDK14 due to Pack200 removal > ------------------------------------------------------------------ > > Key: COMPRESS-507 > URL: https://issues.apache.org/jira/browse/COMPRESS-507 > Project: Commons Compress > Issue Type: Bug > Components: Build, Compressors > Affects Versions: 1.20 > Reporter: Vincent Privat > Priority: Major > Fix For: 1.21 > > > Oracle dropped Pack200 in JDK14 as perĀ > [https://bugs.openjdk.java.net/browse/JDK-8232022] > Someone expressed his will to maintain Pack200 here: > [https://mail.openjdk.java.net/pipermail/jdk-dev/2020-March/003979.html] > [https://github.com/pfirmstone/Pack200-ex-openjdk] -- This message was sent by Atlassian Jira (v8.3.4#803005)