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Robert Metzger commented on FLINK-16411: ---------------------------------------- Thanks. I'll investigate that. Sadly, the situation has actually worsened (at least subjectively). I have analyzed some recent build failures, and could not find any correlation between them: {code} 20200327.2 / misc / AlibabaCI003-agent2 [ERROR] Failed to execute goal on project flink-runtime-web_2.11: Could not resolve dependencies for project org.apache.flink:flink-runtime-web_2.11:jar:1.11-SNAPSHOT: Could not transfer artifact org.apache.flink:flink-shaded-jackson-module-jsonSchema:jar:2.10.1-10.0 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: org/apache/flink/flink-shaded-jackson-module-jsonSchema/2.10.1-10.0/flink-shaded-jackson-module-jsonSchema-2.10.1-10.0.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.6 / connectors / AlibabaCI008-agent2 [ERROR] Failed to execute goal pl.project13.maven:git-commit-id-plugin:2.1.10:revision (default) on project flink-runtime_2.11: Execution default of goal pl.project13.maven:git-commit-id-plugin:2.1.10:revision failed: Plugin pl.project13.maven:git-commit-id-plugin:2.1.10 or one of its dependencies could not be resolved: Could not transfer artifact com.fasterxml.jackson.core:jackson-databind:jar:2.2.3 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: com/fasterxml/jackson/core/jackson-databind/2.2.3/jackson-databind-2.2.3.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.6 / tests / AlibabaCI002-agent2 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test (default-test) on project flink-parent: Execution default-test of goal org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test failed: Plugin org.apache.maven.plugins:maven-surefire-plugin:2.22.1 or one of its dependencies could not be resolved: Could not transfer artifact org.apache.maven.surefire:maven-surefire-common:jar:2.22.1 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: org/apache/maven/surefire/maven-surefire-common/2.22.1/maven-surefire-common-2.22.1.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.7 / connectors / AlibabaCI002-agent2 [ERROR] Failed to execute goal on project flink-sql-parser: Could not resolve dependencies for project org.apache.flink:flink-sql-parser:jar:1.11-SNAPSHOT: Could not transfer artifact org.apache.calcite:calcite-core:jar:1.21.0 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: org/apache/calcite/calcite-core/1.21.0/calcite-core-1.21.0.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.7 / kafka_gelly / AlibabaCI005-agent1 [ERROR] Failed to execute goal org.scalastyle:scalastyle-maven-plugin:1.0.0:check (default) on project flink-runtime_2.11: Execution default of goal org.scalastyle:scalastyle-maven-plugin:1.0.0:check failed: Plugin org.scalastyle:scalastyle-maven-plugin:1.0.0 or one of its dependencies could not be resolved: Could not transfer artifact org.scalastyle:scalastyle_2.11:jar:1.0.0 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: org/scalastyle/scalastyle_2.11/1.0.0/scalastyle_2.11-1.0.0.jar from google-maven-central failed: Read timed out -> [Help 1] 20200327.7 / tests / AlibabaCI004-agent1 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (validate) on project flink-parent: Execution validate of goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check failed: Plugin org.apache.maven.plugins:maven-checkstyle-plugin:2.17 or one of its dependencies could not be resolved: Could not transfer artifact com.puppycrawl.tools:checkstyle:jar:8.14 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: com/puppycrawl/tools/checkstyle/8.14/checkstyle-8.14.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.7 / legacy_scheduler / AlibabaCI003-agent2 [ERROR] Failed to execute goal org.scalastyle:scalastyle-maven-plugin:1.0.0:check (default) on project flink-runtime_2.11: Execution default of goal org.scalastyle:scalastyle-maven-plugin:1.0.0:check failed: Plugin org.scalastyle:scalastyle-maven-plugin:1.0.0 or one of its dependencies could not be resolved: Could not transfer artifact org.scalastyle:scalastyle_2.11:jar:1.0.0 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: org/scalastyle/scalastyle_2.11/1.0.0/scalastyle_2.11-1.0.0.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.7 / misc / AlibabaCI002-agent2 [ERROR] Failed to execute goal pl.project13.maven:git-commit-id-plugin:2.1.10:revision (default) on project flink-runtime_2.11: Execution default of goal pl.project13.maven:git-commit-id-plugin:2.1.10:revision failed: Plugin pl.project13.maven:git-commit-id-plugin:2.1.10 or one of its dependencies could not be resolved: Could not transfer artifact com.fasterxml.jackson.core:jackson-databind:jar:2.2.3 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: com/fasterxml/jackson/core/jackson-databind/2.2.3/jackson-databind-2.2.3.jar from google-maven-central failed: Connection reset -> [Help 1] 20200327.8 / core / AlibabaCI006-agent1 [ERROR] Failed to execute goal on project flink-table-planner_2.11: Could not resolve dependencies for project org.apache.flink:flink-table-planner_2.11:jar:1.11-SNAPSHOT: Could not transfer artifact org.codehaus.janino:janino:jar:3.0.9 from/to google-maven-central (https://maven-central-eu.storage-download.googleapis.com/maven2/): GET request of: org/codehaus/janino/janino/3.0.9/janino-3.0.9.jar from google-maven-central failed: Connection reset -> [Help 1] {code} > Maven central connection timeouts on Azure Pipelines > ---------------------------------------------------- > > Key: FLINK-16411 > URL: https://issues.apache.org/jira/browse/FLINK-16411 > Project: Flink > Issue Type: Bug > Components: Build System / Azure Pipelines > Reporter: Robert Metzger > Assignee: Robert Metzger > Priority: Critical > Labels: pull-request-available > Fix For: 1.11.0 > > Time Spent: 20m > Remaining Estimate: 0h > > Some test stages invoke maven again, where additional dependencies are > downloaded, sometimes failing the build. > This ticket is about using the Google mirror wherever possible. > Examples of failing tests: > - > https://dev.azure.com/rmetzger/Flink/_build/results?buildId=5882&view=logs&j=636f54dd-dda5-5b4b-f495-2d92ec493b6c&t=6c30efdf-a92a-5da3-9a6a-004c8552b2df > A failure looks like this: > {code} > [ERROR] Failed to execute goal on project flink-hadoop-fs: Could not resolve > dependencies for project org.apache.flink:flink-hadoop-fs:jar:1.11-SNAPSHOT: > Could not transfer artifact > org.apache.flink:flink-shaded-hadoop-2:jar:2.8.3-10.0 from/to central > (https://repo.maven.apache.org/maven2): GET request of: > org/apache/flink/flink-shaded-hadoop-2/2.8.3-10.0/flink-shaded-hadoop-2-2.8.3-10.0.jar > from central failed: Connection reset -> [Help 1] > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)