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scala - Apache Bahir 库的 Scala 2.11 编译

问题描述

不确定这是否是发布此问题的正确位置。（如果不是，请道歉。如果是这样，请指出正确的方向。）

我正在尝试编译Apache Bahir以生成 scala 2.11 工件（as mvn clean install -P scala-2.11 -Dscala-2.11 -DskipTests）。尝试这样做时，我遇到了以下构建问题：

[INFO] Reactor Summary for Apache Bahir - Parent POM 3.0.0-SNAPSHOT:
[INFO]
[INFO] Apache Bahir - Parent POM .......................... SUCCESS [ 4.166 s]
[INFO] Apache Bahir - Common .............................. SUCCESS [ 20.276 s]
[INFO] Apache Bahir - Spark SQL Cloudant DataSource ....... FAILURE [ 0.147 s]
[INFO] Apache Bahir - Spark SQL Streaming Akka ............ SKIPPED
[INFO] Apache Bahir - Spark SQL Streaming MQTT ............ SKIPPED
[INFO] Apache Bahir - Spark SQL Streaming JDBC ............ SKIPPED
[INFO] Apache Bahir - Spark SQL Streaming SQS ............. SKIPPED
[INFO] Apache Bahir - Spark Streaming Akka ................ SKIPPED
[INFO] Apache Bahir - Spark Streaming MQTT ................ SKIPPED
[INFO] Apache Bahir - Spark Streaming PubNub .............. SKIPPED
[INFO] Apache Bahir - Spark Streaming Google PubSub ....... SKIPPED
[INFO] Apache Bahir - Spark Streaming Twitter ............. SKIPPED
[INFO] Apache Bahir - Spark Streaming ZeroMQ .............. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 24.877 s
[INFO] Finished at: 2020-10-07T18:42:46-07:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project spark-sql-cloudant_2.12: Could not resolve
 dependencies for project org.apache.bahir:spark-sql-cloudant_2.12:jar:3.0.0-SNAPSHOT: 
The following artifacts could not be resolved: org.apache.bahir:bahir-common_2.11:jar:3.0.0-
SNAPSHOT, org.apache.bahir:bahir-common_2.11:jar:tests:3.0.0-SNAPSHOT: Failure to find 
org.apache.bahir:bahir-common_2.11:jar:3.0.0-SNAPSHOT in https://repository.apache.org/snapshots
 was cached in the local repository, resolution will not be reattempted until the update 
interval of apache.snapshots has elapsed or updates are forced -> [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/DependencyResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <args> -rf :spark-sql-cloudant_2.12

在检查common/target目录后，我看到虽然那里有一个包含已scala-2.11编译类文件的子目录，但我没有看到bahir-common_2.11-3.0.0-SNAPSHOT*.jar正在生成适当的文件（虽然bahir-common_2.12-3.0.0-SNAPSHOT*.jar似乎生成得很好）。

我想知道这里是否有人可以提供帮助。提前致谢！

标签： scalamavenapache-sparkapache-bahir

解决方案

我想这是一种方法（？）：

$ cd <project_root_dir>
$ ./dev/change-scala-version.sh 2.11
$ mvn clean package -Pscala-2.11 -Dscala-2.11 -DskipTest

PS：如果有人对此有权威答案，请加入。谢谢！

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