Building from a current Zeppelin snapshot fails with zeppelin build fails with org.apache.maven.plugins.enforcer.DependencyConvergence see details below.
Build command /opt/maven/maven-latest/bin/mvn clean package -DskipTests -Pspark-2.2 -Dhadoop.version=2.6.0-cdh5.12.0 -Phadoop-2.6 -Pvendor-repo -Pscala-2.10 -Psparkr -pl '!*..excluded certain modules..*' -e maven 3.5.0 > jdk 1.8.0_141 > RHEL 7.3 > npm.x86_64 1:3.10.10-1.6.11.1.1.el7 > nodejs.x86_64 1:6.11.1-1.el7 @epel > latest zeppelin snapshot Any ideas? It's my first attempt to build on rhel7/jdk8 .. never seen this problem before. Thanks, Ruslan [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for org.apache.zeppelin:zeppelin-spark-dependencies_2.10:jar:0.8.0-SNAPSHOT [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin com.googlecode.maven-download-plugin:download-maven-plugin @ line 940, column 15 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin com.googlecode.maven-download-plugin:download-maven-plugin @ line 997, column 15 [WARNING] [WARNING] Some problems were encountered while building the effective model for org.apache.zeppelin:zeppelin-spark_2.10:jar:0.8.0-SNAPSHOT [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.scala-tools:maven-scala-plugin @ line 467, column 15 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-surefire-plugin @ line 475, column 15 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-compiler-plugin @ line 486, column 15 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.scala-tools:maven-scala-plugin @ line 496, column 15 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-surefire-plugin @ line 504, column 15 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [WARNING] The project org.apache.zeppelin:zeppelin-web:war:0.8.0-SNAPSHOT uses prerequisites which is only intended for maven-plugin projects but not for non maven-plugin projects. For such purposes you should use the maven-enforcer-plugin. See https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html ... [skip] [INFO] ------------------------------------------------------------------------ [INFO] Building Zeppelin: Zengine 0.8.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-clean-plugin:2.6.1:clean (default-clean) @ zeppelin-zengine --- [INFO] [INFO] --- flatten-maven-plugin:1.0.0:clean (flatten.clean) @ zeppelin-zengine --- [INFO] [INFO] --- maven-checkstyle-plugin:2.13:check (checkstyle-fail-build) @ zeppelin-zengine --- [INFO] [INFO] [INFO] --- maven-resources-plugin:2.7:copy-resources (copy-resources) @ zeppelin-zengine --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 17 resources [INFO] [INFO] --- maven-enforcer-plugin:1.3.1:enforce (enforce) @ zeppelin-zengine --- [WARNING] Dependency convergence error for com.fasterxml.jackson.core:jackson-core:2.5.3 paths to dependency are: +-org.apache.zeppelin:zeppelin-zengine:0.8.0-SNAPSHOT +-com.amazonaws:aws-java-sdk-s3:1.10.62 +-com.amazonaws:aws-java-sdk-core:1.10.62 +-com.fasterxml.jackson.core:jackson-databind:2.5.3 +-com.fasterxml.jackson.core:jackson-core:2.5.3 and +-org.apache.zeppelin:zeppelin-zengine:0.8.0-SNAPSHOT +-org.apache.hadoop:hadoop-client:2.6.0-cdh5.12.0 +-org.apache.hadoop:hadoop-aws:2.6.0-cdh5.12.0 +-com.fasterxml.jackson.core:jackson-core:2.2.3 [WARNING] Dependency convergence error for org.codehaus.jackson:jackson-mapper-asl:1.9.13 paths to dependency are: +-org.apache.zeppelin:zeppelin-zengine:0.8.0-SNAPSHOT +-com.github.eirslett:frontend-maven-plugin:1.3 +-com.github.eirslett:frontend-plugin-core:1.3 +-org.codehaus.jackson:jackson-mapper-asl:1.9.13 and +-org.apache.zeppelin:zeppelin-zengine:0.8.0-SNAPSHOT +-org.apache.hadoop:hadoop-client:2.6.0-cdh5.12.0 +-org.apache.hadoop:hadoop-common:2.6.0-cdh5.12.0 +-org.codehaus.jackson:jackson-mapper-asl:1.8.8 and +-org.apache.zeppelin:zeppelin-zengine:0.8.0-SNAPSHOT +-org.apache.hadoop:hadoop-client:2.6.0-cdh5.12.0 +-org.apache.hadoop:hadoop-hdfs:2.6.0-cdh5.12.0 +-org.codehaus.jackson:jackson-mapper-asl:1.9.13 ... [skipped a number of other version convergence errors for dependencies]
