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Robert Metzger commented on FLINK-16947: ---------------------------------------- This also happens with the maven mirror in the same data center: "[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test (default-test) on project flink-metrics-core: Unable to generate classpath: org.apache.maven.artifact.resolver.ArtifactResolutionException: Could not transfer artifact org.apache.maven.surefire:surefire-grouper:jar:2.22.1 from/to alicloud-mvn-mirror (http://mavenmirror.alicloud.dak8s.net:8888/repository/maven-central/): Entry [id:11][route:{}->http://mavenmirror.alicloud.dak8s.net:8888][state:null] has not been leased from this pool" It is probably a bug in the http wagon connector in maven. https://dev.azure.com/rmetzger/Flink/_build/results?buildId=7739&view=logs&j=8f07b2a4-809b-5b4b-72cb-057a2a4800e5&t=94d9ac6d-1d28-5d1b-a2e7-5d8447626b00 > ArtifactResolutionException: Could not transfer artifact. Entry [...] has > not been leased from this pool > --------------------------------------------------------------------------------------------------------- > > Key: FLINK-16947 > URL: https://issues.apache.org/jira/browse/FLINK-16947 > Project: Flink > Issue Type: Bug > Components: Build System / Azure Pipelines > Reporter: Piotr Nowojski > Priority: Critical > Labels: test-stability > Fix For: 1.11.0 > > > https://dev.azure.com/rmetzger/Flink/_build/results?buildId=6982&view=logs&j=c88eea3b-64a0-564d-0031-9fdcd7b8abee&t=1e2bbe5b-4657-50be-1f07-d84bfce5b1f5 > Build of flink-metrics-availability-test failed with: > {noformat} > [ERROR] Failed to execute goal > org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test (end-to-end-tests) > on project flink-metrics-availability-test: Unable to generate classpath: > org.apache.maven.artifact.resolver.ArtifactResolutionException: Could not > transfer artifact org.apache.maven.surefire:surefire-grouper:jar:2.22.1 > from/to google-maven-central > (https://maven-central-eu.storage-download.googleapis.com/maven2/): Entry > [id:13][route:{s}->https://maven-central-eu.storage-download.googleapis.com:443][state:null] > has not been leased from this pool > [ERROR] org.apache.maven.surefire:surefire-grouper:jar:2.22.1 > [ERROR] > [ERROR] from the specified remote repositories: > [ERROR] google-maven-central > (https://maven-central-eu.storage-download.googleapis.com/maven2/, > releases=true, snapshots=false), > [ERROR] apache.snapshots (https://repository.apache.org/snapshots, > releases=false, snapshots=true) > [ERROR] Path to dependency: > [ERROR] 1) dummy:dummy:jar:1.0 > [ERROR] 2) org.apache.maven.surefire:surefire-junit47:jar:2.22.1 > [ERROR] 3) org.apache.maven.surefire:common-junit48:jar:2.22.1 > [ERROR] 4) org.apache.maven.surefire:surefire-grouper:jar:2.22.1 > [ERROR] -> [Help 1] > [ERROR] > [ERROR] To see the full stack trace of the errors, re-run Maven with the -e > switch. > [ERROR] Re-run Maven using the -X switch to enable full debug logging. > [ERROR] > [ERROR] For more information about the errors and possible solutions, please > read the following articles: > [ERROR] [Help 1] > http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException > [ERROR] > [ERROR] After correcting the problems, you can resume the build with the > command > [ERROR] mvn <goals> -rf :flink-metrics-availability-test > {noformat} -- This message was sent by Atlassian Jira (v8.3.4#803005)