There's a conflict between actions-on-google 1.3.0 and Firebase Admin SDK 6.9.0. When you try to use both packages in a pom.xml you receive errors for conflicts about several packages. It would be great to update dependencies of actions-on-google package.
Could not resolve version conflict among [com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-protobuf:jar:1.15.1 -> io.grpc:grpc-core:jar:1.15.1, com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-protobuf:jar:1.15.1 -> io.grpc:grpc-protobuf-lite:jar:1.15.1 -> io.grpc:grpc-core:jar:1.15.1, com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-stub:jar:1.15.1 -> io.grpc:grpc-core:jar:1.15.1, com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-auth:jar:1.15.1 -> io.grpc:grpc-core:jar:[1.15.1,1.15.1], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> com.google.api:gax-grpc:jar:1.46.1 -> io.grpc:grpc-alts:jar:1.21.0 -> io.grpc:grpc-grpclb:jar:1.21.0 -> io.grpc:grpc-core:jar:[1.21.0,1.21.0], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> com.google.api:gax-grpc:jar:1.46.1 -> io.grpc:grpc-alts:jar:1.21.0 -> io.grpc:grpc-core:jar:[1.21.0,1.21.0], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> io.grpc:grpc-netty-shaded:jar:1.21.0 -> io.grpc:grpc-core:jar:[1.21.0,1.21.0], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> io.opencensus:opencensus-contrib-grpc-util:jar:0.21.0 -> io.grpc:grpc-core:jar:1.19.0]
org.eclipse.aether.collection.UnsolvableVersionConflictException: Could not resolve version conflict among [com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-protobuf:jar:1.15.1 -> io.grpc:grpc-core:jar:1.15.1, com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-protobuf:jar:1.15.1 -> io.grpc:grpc-protobuf-lite:jar:1.15.1 -> io.grpc:grpc-core:jar:1.15.1, com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-stub:jar:1.15.1 -> io.grpc:grpc-core:jar:1.15.1, com.google.actions:actions-on-google:jar:1.3.0 -> io.grpc:grpc-auth:jar:1.15.1 -> io.grpc:grpc-core:jar:[1.15.1,1.15.1], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> com.google.api:gax-grpc:jar:1.46.1 -> io.grpc:grpc-alts:jar:1.21.0 -> io.grpc:grpc-grpclb:jar:1.21.0 -> io.grpc:grpc-core:jar:[1.21.0,1.21.0], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> com.google.api:gax-grpc:jar:1.46.1 -> io.grpc:grpc-alts:jar:1.21.0 -> io.grpc:grpc-core:jar:[1.21.0,1.21.0], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> io.grpc:grpc-netty-shaded:jar:1.21.0 -> io.grpc:grpc-core:jar:[1.21.0,1.21.0], com.google.firebase:firebase-admin:jar:6.9.0 -> com.google.cloud:google-cloud-firestore:jar:1.9.0 -> io.opencensus:opencensus-contrib-grpc-util:jar:0.21.0 -> io.grpc:grpc-core:jar:1.19.0]
at org.eclipse.aether.util.graph.transformer.NearestVersionSelector.newFailure(NearestVersionSelector.java:150)
at org.eclipse.aether.util.graph.transformer.NearestVersionSelector.backtrack(NearestVersionSelector.java:111)
at org.eclipse.aether.util.graph.transformer.NearestVersionSelector.selectVersion(NearestVersionSelector.java:84)
at org.eclipse.aether.util.graph.transformer.ConflictResolver.transformGraph(ConflictResolver.java:187)
at org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:273)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
at org.apache.maven.project.DefaultProjectBuilder.resolveDependencies(DefaultProjectBuilder.java:215)
at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:188)
at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:119)
at org.eclipse.m2e.core.internal.embedder.MavenImpl.readMavenProject(MavenImpl.java:636)
at org.eclipse.m2e.core.internal.project.registry.DefaultMavenDependencyResolver.resolveProjectDependencies(DefaultMavenDependencyResolver.java:63)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refreshPhase2(ProjectRegistryManager.java:530)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager$3.call(ProjectRegistryManager.java:492)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager$3.call(ProjectRegistryManager.java:1)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:496)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:351)
at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:298)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.getProjectFacade(MavenBuilder.java:154)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:89)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)
at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:735)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:301)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:304)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:360)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:383)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
There's a conflict between actions-on-google 1.3.0 and Firebase Admin SDK 6.9.0. When you try to use both packages in a pom.xml you receive errors for conflicts about several packages. It would be great to update dependencies of actions-on-google package.