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Tamás Cservenák edited comment on MNG-7433 at 4/7/22 8:52 AM: -------------------------------------------------------------- I am on Linux as well (Linux Mint 20.3 + Temurin 11.0.14). Can you create a reproducer, or if project does not matter, at least a sequence how you invoke maven instances that lock up? was (Author: cstamas): I am on Linux as well (Linux Mint 20.3 + Temurin 11.0.14). Can you create a reproducer (or if project does not matter), or at least a sequence how you invoke maven instances that lock up? > [REGRESSION] Multiple maven instances working on same source tree can lock > each other > ------------------------------------------------------------------------------------- > > Key: MNG-7433 > URL: https://issues.apache.org/jira/browse/MNG-7433 > Project: Maven > Issue Type: Bug > Affects Versions: 3.8.5 > Reporter: Dan Tran > Priority: Major > > I have a large multi modules java maven build where: > * phase 1 - basic build + unit tests + jacoco - 40 min > * phase 2 - sonar:sonar 20 min > * phase 3 - final packaging and basic smoke-test - 20 min > To take advantage of Maven multi-threaded build, during the reactor build, > one of our maven module spins another instance of Maven to run sonar:sonar > goal right after the basic build is done. > This means our phase 2 and phase 3 run in parallel sharing the same source > tree, same local maven repo (where sonar:sonar should have all needed > dependencies at the share local maven repo to run its task) > With maven-3.8.5, parallelization is no longer possible, phase 3 is blocked > until phase 2 is done. > I am able to trace it to https://github.com/apache/maven/pull/628 where the > locking started the happen > How does the lock mechanic work? there must be a local file where both Maven > instances are watching each other. Is there an option to disable this lock? -- This message was sent by Atlassian Jira (v8.20.1#820001)