René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Dependency convergence errors in datastore","articleBody":"It's not immediately obvious to me why I see this and the checks in this project's own pom.xml don't; but I definitely see this in a project that does nothing but import the datastore dependency from the google-cloud-java BOM and check dependency convergence:\r\n\r\n```\r\n[INFO] Scanning for projects...\r\n[INFO] \r\n[INFO] ------------------------------------------------------------------------\r\n[INFO] Building Dependency Tests for Google Cloud Libraries 0.0.1-SNAPSHOT\r\n[INFO] ------------------------------------------------------------------------\r\n[INFO] \r\n[INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce) @ dependencytest ---\r\n[WARNING] \r\nDependency convergence error for com.google.code.findbugs:jsr305:1.3.9 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.guava:guava:24.1-jre\r\n        +-com.google.code.findbugs:jsr305:1.3.9\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.code.findbugs:jsr305:3.0.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api:api-common:1.5.0\r\n        +-com.google.code.findbugs:jsr305:3.0.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api:gax:1.23.0\r\n        +-com.google.code.findbugs:jsr305:3.0.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.oauth-client:google-oauth-client:1.23.0\r\n        +-com.google.code.findbugs:jsr305:1.3.9\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api:gax-httpjson:0.40.0\r\n        +-com.google.code.findbugs:jsr305:3.0.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\n        +-com.google.code.findbugs:jsr305:3.0.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-contrib-http-util:0.11.1\r\n        +-com.google.code.findbugs:jsr305:3.0.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-com.google.code.findbugs:jsr305:3.0.0\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.protobuf:protobuf-java:3.5.1 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.protobuf:protobuf-java-util:3.5.1\r\n        +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api.grpc:proto-google-common-protos:1.9.0\r\n        +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api.grpc:proto-google-iam-v1:0.10.0\r\n        +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.api.grpc:proto-google-cloud-datastore-v1:0.10.0\r\n      +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client-protobuf:1.20.0\r\n        +-com.google.protobuf:protobuf-java:2.4.1\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.errorprone:error_prone_annotations:2.1.3 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.guava:guava:24.1-jre\r\n        +-com.google.errorprone:error_prone_annotations:2.1.3\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\n        +-com.google.errorprone:error_prone_annotations:2.2.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-contrib-http-util:0.11.1\r\n        +-com.google.errorprone:error_prone_annotations:2.2.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-com.google.errorprone:error_prone_annotations:2.1.2\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.http-client:google-http-client-jackson2:1.19.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.auth:google-auth-library-oauth2-http:0.9.0\r\n        +-com.google.http-client:google-http-client-jackson2:1.19.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api-client:google-api-client:1.23.0\r\n        +-com.google.http-client:google-http-client-jackson2:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-jackson2:1.23.0\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.http-client:google-http-client-jackson:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-jackson:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client-jackson:1.20.0\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.api-client:google-api-client:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api-client:google-api-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.api-client:google-api-client:1.20.0\r\n\r\n[WARNING] \r\nDependency convergence error for io.opencensus:opencensus-api:0.11.1 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-contrib-http-util:0.11.1\r\n        +-io.opencensus:opencensus-api:0.11.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-io.opencensus:opencensus-api:0.11.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-io.opencensus:opencensus-contrib-grpc-metrics:0.11.0\r\n        +-io.opencensus:opencensus-api:0.11.0\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.oauth-client:google-oauth-client:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.oauth-client:google-oauth-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api-client:google-api-client:1.23.0\r\n        +-com.google.oauth-client:google-oauth-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.oauth-client:google-oauth-client:1.20.0\r\n\r\n[WARNING] \r\nDependency convergence error for io.grpc:grpc-context:1.9.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\n        +-io.grpc:grpc-context:1.9.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-io.grpc:grpc-context:1.10.1\r\n\r\n[WARNING] \r\nDependency convergence error for com.google.http-client:google-http-client:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.auth:google-auth-library-oauth2-http:0.9.0\r\n        +-com.google.http-client:google-http-client:1.19.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.oauth-client:google-oauth-client:1.23.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-appengine:1.23.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-jackson:1.23.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api:gax-httpjson:0.40.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client-protobuf:1.20.0\r\n        +-com.google.http-client:google-http-client:1.20.0\r\n\r\n[WARNING] Rule 0: org.apache.maven.plugins.enforcer.DependencyConvergence failed with message:\r\nFailed while enforcing releasability the error(s) are [\r\nDependency convergence error for com.google.code.findbugs:jsr305:1.3.9 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.guava:guava:24.1-jre\r\n        +-com.google.code.findbugs:jsr305:1.3.9\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.code.findbugs:jsr305:3.0.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api:api-common:1.5.0\r\n        +-com.google.code.findbugs:jsr305:3.0.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api:gax:1.23.0\r\n        +-com.google.code.findbugs:jsr305:3.0.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.oauth-client:google-oauth-client:1.23.0\r\n        +-com.google.code.findbugs:jsr305:1.3.9\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api:gax-httpjson:0.40.0\r\n        +-com.google.code.findbugs:jsr305:3.0.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\n        +-com.google.code.findbugs:jsr305:3.0.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-contrib-http-util:0.11.1\r\n        +-com.google.code.findbugs:jsr305:3.0.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-com.google.code.findbugs:jsr305:3.0.0\r\n, \r\nDependency convergence error for com.google.protobuf:protobuf-java:3.5.1 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.protobuf:protobuf-java-util:3.5.1\r\n        +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api.grpc:proto-google-common-protos:1.9.0\r\n        +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.api.grpc:proto-google-iam-v1:0.10.0\r\n        +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.api.grpc:proto-google-cloud-datastore-v1:0.10.0\r\n      +-com.google.protobuf:protobuf-java:3.5.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client-protobuf:1.20.0\r\n        +-com.google.protobuf:protobuf-java:2.4.1\r\n, \r\nDependency convergence error for com.google.errorprone:error_prone_annotations:2.1.3 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.guava:guava:24.1-jre\r\n        +-com.google.errorprone:error_prone_annotations:2.1.3\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\n        +-com.google.errorprone:error_prone_annotations:2.2.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-contrib-http-util:0.11.1\r\n        +-com.google.errorprone:error_prone_annotations:2.2.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-com.google.errorprone:error_prone_annotations:2.1.2\r\n, \r\nDependency convergence error for com.google.http-client:google-http-client-jackson2:1.19.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.auth:google-auth-library-oauth2-http:0.9.0\r\n        +-com.google.http-client:google-http-client-jackson2:1.19.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api-client:google-api-client:1.23.0\r\n        +-com.google.http-client:google-http-client-jackson2:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-jackson2:1.23.0\r\n, \r\nDependency convergence error for com.google.http-client:google-http-client-jackson:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-jackson:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client-jackson:1.20.0\r\n, \r\nDependency convergence error for com.google.api-client:google-api-client:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api-client:google-api-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.api-client:google-api-client:1.20.0\r\n, \r\nDependency convergence error for io.opencensus:opencensus-api:0.11.1 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-contrib-http-util:0.11.1\r\n        +-io.opencensus:opencensus-api:0.11.1\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-io.opencensus:opencensus-api:0.11.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-io.opencensus:opencensus-contrib-grpc-metrics:0.11.0\r\n        +-io.opencensus:opencensus-api:0.11.0\r\n, \r\nDependency convergence error for com.google.oauth-client:google-oauth-client:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.oauth-client:google-oauth-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api-client:google-api-client:1.23.0\r\n        +-com.google.oauth-client:google-oauth-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.oauth-client:google-oauth-client:1.20.0\r\n, \r\nDependency convergence error for io.grpc:grpc-context:1.9.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-io.opencensus:opencensus-api:0.11.1\r\n        +-io.grpc:grpc-context:1.9.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-io.grpc:grpc-core:1.10.1\r\n      +-io.grpc:grpc-context:1.10.1\r\n, \r\nDependency convergence error for com.google.http-client:google-http-client:1.23.0 paths to dependency are:\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core:1.27.0\r\n      +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.auth:google-auth-library-oauth2-http:0.9.0\r\n        +-com.google.http-client:google-http-client:1.19.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.oauth-client:google-oauth-client:1.23.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-appengine:1.23.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.http-client:google-http-client-jackson:1.23.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud:google-cloud-core-http:1.27.0\r\n      +-com.google.api:gax-httpjson:0.40.0\r\n        +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client:1.23.0\r\nand\r\n+-com.google.cloud.tools.dependencies:dependencytest:0.0.1-SNAPSHOT\r\n  +-com.google.cloud:google-cloud-datastore:1.27.0\r\n    +-com.google.cloud.datastore:datastore-v1-proto-client:1.6.0\r\n      +-com.google.http-client:google-http-client-protobuf:1.20.0\r\n        +-com.google.http-client:google-http-client:1.20.0\r\n]\r\n[INFO] ------------------------------------------------------------------------\r\n[INFO] BUILD FAILURE\r\n[INFO] ------------------------------------------------------------------------\r\n[INFO] Total time: 3.710 s\r\n[INFO] Finished at: 2018-04-25T08:04:18-04:00\r\n[INFO] Final Memory: 10M/159M\r\n[INFO] ------------------------------------------------------------------------\r\n[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce (enforce) on project dependencytest: Some Enforcer rules have failed. Look above for specific messages explaining why the rule failed. -\u003e [Help 1]\r\n[ERROR] \r\n[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.\r\n[ERROR] Re-run Maven using the -X switch to enable full debug logging.\r\n[ERROR] \r\n[ERROR] For more information about the errors and possible solutions, please read the following articles:\r\n[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException\r\n```\r\n","author":{"url":"https://github.com/elharo","@type":"Person","name":"elharo"},"datePublished":"2018-04-25T12:09:01.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/3192/google-cloud-java/issues/3192"}