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The following commit(s) were added to refs/heads/master by this push:
     new c3dd6457  [LIVY-593] Add flags to support hadoop, spark and scala 
version specific builds (#405)
c3dd6457 is described below

commit c3dd6457c45662de13be72919532ed0ef1b57ab3
Author: Sumit Kumar <[email protected]>
AuthorDate: Tue May 16 11:09:49 2023 -0700

     [LIVY-593] Add flags to support hadoop, spark and scala version specific 
builds (#405)
    
    Enable flags to build livy against specific hadoop, spark and scala 
versions. Currently supports:
    1. scala 2.11 and scala 2.12 with Spark 2 and Hadoop 2
    2. scala 2.12 with Spark 3 and hadoop 2 (Spark 3 doesn't come with scala 
2.11 builds)
    
    Co-authored-by: Sumit Kumar <[email protected]>
---
 .github/workflows/integration-tests.yaml | 11 ++--
 .github/workflows/unit-tests.yaml        | 11 ++--
 .rat-excludes                            |  3 +-
 .travis.yml                              | 28 ++++++---
 README.md                                | 10 ++++
 assembly/assembly.xml                    | 11 +---
 assembly/pom.xml                         | 10 +---
 core/scala-2.11/pom.xml                  |  5 --
 core/scala-2.12/pom.xml                  |  5 --
 coverage/pom.xml                         | 24 +-------
 pom.xml                                  | 99 ++++++++++++++++++++------------
 repl/scala-2.11/pom.xml                  |  8 ---
 repl/scala-2.12/pom.xml                  |  8 ---
 scala-api/scala-2.11/pom.xml             |  6 --
 scala-api/scala-2.12/pom.xml             |  7 ---
 15 files changed, 109 insertions(+), 137 deletions(-)

diff --git a/.github/workflows/integration-tests.yaml 
b/.github/workflows/integration-tests.yaml
index d74fa8e9..e52df4d8 100644
--- a/.github/workflows/integration-tests.yaml
+++ b/.github/workflows/integration-tests.yaml
@@ -27,7 +27,10 @@ jobs:
     container: ghcr.io/${{ github.repository_owner }}/livy-ci:latest
     strategy:
       matrix:
-        spark_version: ["2.4", "3.0"]
+        maven_profile:
+        - "-Pscala-2.11 -Pspark2"
+        - "-Pscala-2.12 -Pspark2"
+        - "-Pscala-2.12 -Pspark3"
     steps:
     - 
       name: Checkout
@@ -42,13 +45,9 @@ jobs:
         key: ${{ runner.os }}-maven-${{ hashFiles('pom.xml', '*/pom.xml', 
'thriftserver/*/pom.xml', 'core/*/pom.xml', 'repl/*/pom.xml', 
'scala-api/*/pom.xml') }}
         restore-keys: |
           ${{ runner.os }}-maven-
-    -
-      name: Set profile based on matrix
-      run: |
-        if [ "${{ matrix.spark_version }}" = "3.0" ]; then echo 
"mvn_profile=-Pspark-3.0" >> $GITHUB_ENV; fi
     - 
       name: Build with Maven
-      run: mvn -Pthriftserver ${{ env.mvn_profile }} -DskipTests 
-Dmaven.javadoc.skip=true -B -V -e verify
+      run: mvn -Pthriftserver ${{ matrix.mvn_profile }} -DskipTests 
-Dmaven.javadoc.skip=true -B -V -e verify
     -
       name: Upload coverage to codecov
       uses: codecov/codecov-action@v3
diff --git a/.github/workflows/unit-tests.yaml 
b/.github/workflows/unit-tests.yaml
index 7d8c42bc..552642ff 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -25,7 +25,10 @@ jobs:
     container: ghcr.io/${{ github.repository_owner }}/livy-ci:latest
     strategy:
       matrix:
-        spark_version: ["2.4", "3.0"]
+        maven_profile:
+        - "-Pscala-2.11 -Pspark2"
+        - "-Pscala-2.12 -Pspark2"
+        - "-Pscala-2.12 -Pspark3"
     steps:
     - 
       name: Checkout
@@ -40,13 +43,9 @@ jobs:
         key: ${{ runner.os }}-maven-${{ hashFiles('pom.xml', '*/pom.xml', 
'thriftserver/*/pom.xml', 'core/*/pom.xml', 'repl/*/pom.xml', 
'scala-api/*/pom.xml') }}
         restore-keys: |
           ${{ runner.os }}-maven-
-    -
-      name: Set profile based on matrix
-      run: |
-        if [ "${{ matrix.spark_version }}" = "3.0" ]; then echo 
"mvn_profile=-Pspark-3.0" >> $GITHUB_ENV; fi
     - 
       name: Build with Maven
-      run: mvn -Pthriftserver ${{ env.mvn_profile }} -DskipITs 
-Dmaven.javadoc.skip=true -B -V -e verify
+      run: mvn -Pthriftserver ${{ matrix.mvn_profile }} -DskipITs 
-Dmaven.javadoc.skip=true -B -V -e verify
     -
       name: Upload coverage to codecov
       uses: codecov/codecov-action@v3
diff --git a/.rat-excludes b/.rat-excludes
index cf49653f..b22edb29 100644
--- a/.rat-excludes
+++ b/.rat-excludes
@@ -1,6 +1,7 @@
 .rat-excludes
 .github/*
 logs/*
+**/logs/**
 **/*.conf
 **/*.json
 **/*.md
@@ -28,4 +29,4 @@ logs/*
 **/jquery-2.1.1.min.js
 docs/**/*.html
 docs/**/JB/**
-venv/*
\ No newline at end of file
+venv/*
diff --git a/.travis.yml b/.travis.yml
index 7a12a115..d661e30b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,18 +18,28 @@
 sudo: required
 dist: xenial
 language: scala
-  - 2.11.12
 
 matrix:
   include:
-  - name: "Spark 2.4 Unit Tests"
-    env: MVN_FLAG='-Pthriftserver -DskipITs'
-  - name: "Spark 2.4 ITs"
-    env: MVN_FLAG='-Pthriftserver -DskipTests'
-  - name: "Spark 3.0 Unit Tests"
-    env: MVN_FLAG='-Pthriftserver -Pspark-3.0 -DskipITs'
-  - name: "Spark 3.0 ITs"
-    env: MVN_FLAG='-Pthriftserver -Pspark-3.0 -DskipTests'
+  - name: "Spark 2.4 Unit Tests (Scala 2.11)"
+    scala: 2.11.12
+    env: MVN_FLAG='-Pscala-2.11 -Pspark2 -Pthriftserver -DskipITs'
+  - name: "Spark 2.4 ITs (Scala 2.11)"
+    scala: 2.11.12
+    env: MVN_FLAG='-Pscala-2.11 -Pspark2 -Pthriftserver -DskipTests'
+  - name: "Spark 2.4 Unit Tests (Scala 2.12)"
+    scala: 2.12.10
+    env: MVN_FLAG='-Pscala-2.12 -Pspark2 -Pthriftserver -DskipITs'
+  - name: "Spark 2.4 ITs (Scala 2.12)"
+    scala: 2.12.10
+    env: MVN_FLAG='-Pscala-2.12 -Pspark2 -Pthriftserver -DskipTests'
+# No scala 2.11.x build for spark3
+  - name: "Spark 3.0 Unit Tests (Scala 2.12)"
+    scala: 2.12.10
+    env: MVN_FLAG='-Pscala-2.12 -Pspark3 -Pthriftserver -DskipITs'
+  - name: "Spark 3.0 ITs (Scala 2.12)"
+    scala: 2.12.10
+    env: MVN_FLAG='-Pscala-2.12 -Pspark3 -Pthriftserver -DskipITs'
 
 jdk:
   - openjdk8
diff --git a/README.md b/README.md
index 9dfec123..f3ddbad8 100644
--- a/README.md
+++ b/README.md
@@ -88,3 +88,13 @@ between different Spark versions.
 
 The Livy package itself does not contain a Spark distribution. It will work 
with any supported
 version of Spark without needing to rebuild.
+
+### Build Profiles
+
+| Flag         | Purpose                                                       
     |
+|--------------|--------------------------------------------------------------------|
+| -Phadoop2    | Choose Hadoop2 based build dependencies (default 
configuration)    |
+| -Pspark2     | Choose Spark 2.x based build dependencies (default 
configuration)  |
+| -Pspark3     | Choose Spark 3.x based build dependencies                     
     |
+| -Pscala-2.11 | Choose Scala 2.11 based build dependencies (default 
configuration) |        
+| -Pscala-2.12 | Choose scala 2.12 based build dependencies                    
     |
diff --git a/assembly/assembly.xml b/assembly/assembly.xml
index eaefbb50..d75371c9 100644
--- a/assembly/assembly.xml
+++ b/assembly/assembly.xml
@@ -56,15 +56,8 @@
       </includes>
     </fileSet>
     <fileSet>
-      
<directory>${project.parent.basedir}/repl/scala-2.11/target/jars</directory>
-      <outputDirectory>${assembly.name}/repl_2.11-jars</outputDirectory>
-      <includes>
-        <include>*</include>
-      </includes>
-    </fileSet>
-    <fileSet>
-      
<directory>${project.parent.basedir}/repl/scala-2.12/target/jars</directory>
-      <outputDirectory>${assembly.name}/repl_2.12-jars</outputDirectory>
+      
<directory>${project.parent.basedir}/repl/scala-${scala.binary.version}/target/jars</directory>
+      
<outputDirectory>${assembly.name}/repl_${scala.binary.version}-jars</outputDirectory>
       <includes>
         <include>*</include>
       </includes>
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 380a6cf1..005cead5 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -29,7 +29,7 @@
   <packaging>pom</packaging>
 
   <properties>
-    <assembly.name>apache-livy-${project.version}-bin</assembly.name>
+    
<assembly.name>apache-livy-${project.version}_${scala.binary.version}-bin</assembly.name>
     <assembly.format>zip</assembly.format>
     <skipDeploy>true</skipDeploy>
   </properties>
@@ -43,13 +43,7 @@
 
     <dependency>
       <groupId>${project.groupId}</groupId>
-      <artifactId>livy-repl_2.11</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-
-    <dependency>
-      <groupId>${project.groupId}</groupId>
-      <artifactId>livy-repl_2.12</artifactId>
+      <artifactId>livy-repl_${scala.binary.version}</artifactId>
       <version>${project.version}</version>
     </dependency>
 
diff --git a/core/scala-2.11/pom.xml b/core/scala-2.11/pom.xml
index 247f1d18..d9b83545 100644
--- a/core/scala-2.11/pom.xml
+++ b/core/scala-2.11/pom.xml
@@ -29,11 +29,6 @@
     <relativePath>../pom.xml</relativePath>
   </parent>
 
-  <properties>
-    <scala.version>${scala-2.11.version}</scala.version>
-    <scala.binary.version>2.11</scala.binary.version>
-  </properties>
-
   <build>
     <plugins>
       <plugin>
diff --git a/core/scala-2.12/pom.xml b/core/scala-2.12/pom.xml
index f6e16bb9..1df64755 100644
--- a/core/scala-2.12/pom.xml
+++ b/core/scala-2.12/pom.xml
@@ -29,11 +29,6 @@
     <relativePath>../pom.xml</relativePath>
   </parent>
 
-  <properties>
-    <scala.version>${scala-2.12.version}</scala.version>
-    <scala.binary.version>2.12</scala.binary.version>
-  </properties>
-
   <build>
     <plugins>
       <plugin>
diff --git a/coverage/pom.xml b/coverage/pom.xml
index db59cc2a..f7e6a9e0 100644
--- a/coverage/pom.xml
+++ b/coverage/pom.xml
@@ -52,25 +52,13 @@
 
     <dependency>
       <groupId>${project.groupId}</groupId>
-      <artifactId>livy-core_2.11</artifactId>
+      <artifactId>livy-core_${scala.binary.version}</artifactId>
       <version>${project.version}</version>
     </dependency>
 
     <dependency>
       <groupId>${project.groupId}</groupId>
-      <artifactId>livy-core_2.12</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-
-    <dependency>
-      <groupId>${project.groupId}</groupId>
-      <artifactId>livy-repl_2.11</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-
-    <dependency>
-      <groupId>${project.groupId}</groupId>
-      <artifactId>livy-repl_2.12</artifactId>
+      <artifactId>livy-repl_${scala.binary.version}</artifactId>
       <version>${project.version}</version>
     </dependency>
 
@@ -88,13 +76,7 @@
 
     <dependency>
       <groupId>${project.groupId}</groupId>
-      <artifactId>livy-scala-api_2.11</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-
-    <dependency>
-      <groupId>${project.groupId}</groupId>
-      <artifactId>livy-scala-api_2.12</artifactId>
+      <artifactId>livy-scala-api_${scala.binary.version}</artifactId>
       <version>${project.version}</version>
     </dependency>
 
diff --git a/pom.xml b/pom.xml
index 46fcd51a..52c64c4e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,6 @@
 
   <properties>
     <asynchttpclient.version>2.10.1</asynchttpclient.version>
-    <hadoop.version>2.7.3</hadoop.version>
     <hadoop.scope>compile</hadoop.scope>
     <slf4j.version>1.7.36</slf4j.version>
     <reload4j.version>1.2.25</reload4j.version>
@@ -94,33 +93,37 @@
     <jackson-databind.version>2.12.7.1</jackson-databind.version>
     <javax.servlet-api.version>3.1.0</javax.servlet-api.version>
     <jetty.version>9.4.50.v20221201</jetty.version>
-    <json4s.spark-2.11.version>3.5.3</json4s.spark-2.11.version>
-    <json4s.spark-2.12.version>3.5.3</json4s.spark-2.12.version>
-    <json4s.version>${json4s.spark-2.11.version}</json4s.version>
     <junit.version>4.13.1</junit.version>
     <libthrift.version>0.9.3</libthrift.version>
     <kryo.version>4.0.2</kryo.version>
     <metrics.version>3.1.0</metrics.version>
     <mockito.version>1.10.19</mockito.version>
-    <netty.spark-2.11.version>4.1.86.Final</netty.spark-2.11.version>
-    <netty.spark-2.12.version>4.1.86.Final</netty.spark-2.12.version>
-    <netty.version>${netty.spark-2.11.version}</netty.version>
+    <netty.version>4.1.86.Final</netty.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <py4j.version>0.10.7</py4j.version>
-    <scala-2.11.version>2.11.12</scala-2.11.version>
-    <scala-2.12.version>2.12.10</scala-2.12.version>
-    <scala.binary.version>2.11</scala.binary.version>
-    <scala.version>${scala-2.11.version}</scala.version>
     <scalatest.version>3.0.8</scalatest.version>
     <scalatra.version>2.6.5</scalatra.version>
     <java.version>1.8</java.version>
     <test.redirectToFile>true</test.redirectToFile>
     <execution.root>${user.dir}</execution.root>
     <spark.home>${execution.root}/dev/spark</spark.home>
+    <!-- profile controlled parameters, we are setting the defaults here so we 
can run "mvn package" with default profile values -->
+    <!-- hadoop2 -->
+    <hadoop.major-minor.version>2.7</hadoop.major-minor.version>
+    <hadoop.version>2.7.3</hadoop.version>
+    <!-- scala2.11 -->
+    <scala.binary.version>2.11</scala.binary.version>
+    <scala.version>2.11.12</scala.version>
+    <!-- spark2 -->
+    <spark.version>2.4.5</spark.version>
+    <java.version>1.8</java.version>
+    <py4j.version>0.10.9</py4j.version>
+    <json4s.version>3.5.3</json4s.version>
+    
<spark.bin.name>spark-${spark.version}-bin-hadoop${hadoop.major-minor.version}</spark.bin.name>
     <spark.bin.download.url>
-      
https://archive.apache.org/dist/spark/spark-2.4.5/spark-2.4.5-bin-hadoop2.7.tgz
+      
https://archive.apache.org/dist/spark/spark-${spark.version}/${spark.bin.name}.tgz
     </spark.bin.download.url>
-    <spark.bin.name>spark-2.4.5-bin-hadoop2.7</spark.bin.name>
+
     <!--  used for testing, NCSARequestLog use it for access log  -->
     <livy.log.dir>${basedir}/target</livy.log.dir>
 
@@ -207,19 +210,16 @@
     <module>client-common</module>
     <module>client-http</module>
     <module>core</module>
-    <module>core/scala-2.11</module>
-    <module>core/scala-2.12</module>
+    <module>core/scala-${scala.binary.version}</module>
     <module>coverage</module>
     <module>examples</module>
     <module>python-api</module>
     <module>repl</module>
-    <module>repl/scala-2.11</module>
-    <module>repl/scala-2.12</module>
+    <module>repl/scala-${scala.binary.version}</module>
     <module>rsc</module>
     <module>scala</module>
     <module>scala-api</module>
-    <module>scala-api/scala-2.11</module>
-    <module>scala-api/scala-2.12</module>
+    <module>scala-api/scala-${scala.binary.version}</module>
     <module>server</module>
     <module>test-lib</module>
     <module>integration-test</module>
@@ -971,6 +971,7 @@
             </goals>
             <configuration>
               <target>
+                <echo message="execRoot: ${execution.root}, buildDir: 
${project.build.directory}"/>
                 <copy file="${execution.root}/scalastyle.xml"
                   tofile="${project.build.directory}/scalastyle.xml" />
                 <replace file="${project.build.directory}/scalastyle.xml"
@@ -1019,13 +1020,12 @@
         <artifactId>maven-checkstyle-plugin</artifactId>
         <version>2.17</version>
         <configuration>
-          <verbose>false</verbose>
           <failOnViolation>true</failOnViolation>
           <includeTestSourceDirectory>true</includeTestSourceDirectory>
-          <failOnWarning>false</failOnWarning>
           <sourceDirectory>${basedir}/src/main/java</sourceDirectory>
           <testSourceDirectory>${basedir}/src/test/java</testSourceDirectory>
           
<configLocation>${project.build.directory}/checkstyle.xml</configLocation>
+          
<headerLocation>${project.build.directory}/checkstyle.header</headerLocation>
           <outputFile>${basedir}/target/checkstyle-output.xml</outputFile>
           <inputEncoding>${project.build.sourceEncoding}</inputEncoding>
           <outputEncoding>${project.reporting.outputEncoding}</outputEncoding>
@@ -1133,6 +1133,28 @@
   </reporting>
 
   <profiles>
+    <profile>
+      <id>hadoop2</id>
+      <properties>
+        <hadoop.major-minor.version>2.7</hadoop.major-minor.version>
+        <hadoop.version>2.7.3</hadoop.version>
+      </properties>
+    </profile>
+    <profile>
+      <id>scala-2.11</id>
+      <properties>
+        <scala.binary.version>2.11</scala.binary.version>
+        <scala.version>2.11.12</scala.version>
+      </properties>
+    </profile>
+    <profile>
+      <id>scala-2.12</id>
+      <properties>
+        <scala.binary.version>2.12</scala.binary.version>
+        <scala.version>2.12.10</scala.version>
+      </properties>
+    </profile>
+
     <profile>
       <id>thriftserver</id>
       <modules>
@@ -1141,30 +1163,31 @@
         <module>thriftserver/client</module>
       </modules>
     </profile>
+    <profile>
+      <id>spark2</id>
+      <properties>
+        <spark.version>2.4.5</spark.version>
+        <java.version>1.8</java.version>
+        <py4j.version>0.10.9</py4j.version>
+        <json4s.version>3.5.3</json4s.version>
+        
<spark.bin.name>spark-${spark.version}-bin-hadoop${hadoop.major-minor.version}</spark.bin.name>
+        <spark.bin.download.url>
+          
https://archive.apache.org/dist/spark/spark-${spark.version}/${spark.bin.name}.tgz
+        </spark.bin.download.url>
+      </properties>
+    </profile>
 
     <profile>
-      <id>spark-3.0</id>
-      <activation>
-        <property>
-          <name>spark-3.0</name>
-        </property>
-      </activation>
+      <id>spark3</id>
       <properties>
-        <spark.scala-2.12.version>3.0.0</spark.scala-2.12.version>
-        <spark.scala-2.11.version>2.4.5</spark.scala-2.11.version>
-        <spark.version>${spark.scala-2.11.version}</spark.version>
-        <netty.spark-2.12.version>4.1.86.Final</netty.spark-2.12.version>
-        <netty.spark-2.11.version>4.1.86.Final</netty.spark-2.11.version>
-        <netty.version>${netty.spark-2.11.version}</netty.version>
+        <spark.version>3.0.0</spark.version>
         <java.version>1.8</java.version>
         <py4j.version>0.10.9</py4j.version>
-        <json4s.spark-2.11.version>3.5.3</json4s.spark-2.11.version>
-        <json4s.spark-2.12.version>3.6.6</json4s.spark-2.12.version>
-        <json4s.version>${json4s.spark-2.11.version}</json4s.version>
+        <json4s.version>3.6.6</json4s.version>
+        
<spark.bin.name>spark-${spark.version}-bin-hadoop${hadoop.major-minor.version}</spark.bin.name>
         <spark.bin.download.url>
-          
https://archive.apache.org/dist/spark/spark-3.0.0/spark-3.0.0-bin-hadoop2.7.tgz
+          
https://archive.apache.org/dist/spark/spark-${spark.version}/${spark.bin.name}.tgz
         </spark.bin.download.url>
-        <spark.bin.name>spark-3.0.0-bin-hadoop2.7</spark.bin.name>
       </properties>
     </profile>
 
diff --git a/repl/scala-2.11/pom.xml b/repl/scala-2.11/pom.xml
index fb0d15f3..1ab76bdd 100644
--- a/repl/scala-2.11/pom.xml
+++ b/repl/scala-2.11/pom.xml
@@ -31,12 +31,4 @@
     <relativePath>../pom.xml</relativePath>
   </parent>
 
-  <properties>
-    <scala.version>${scala-2.11.version}</scala.version>
-    <scala.binary.version>2.11</scala.binary.version>
-    <spark.version>${spark.scala-2.11.version}</spark.version>
-    <netty.version>${netty.spark-2.11.version}</netty.version>
-    <json4s.version>${json4s.spark-2.11.version}</json4s.version>
-  </properties>
-
 </project>
diff --git a/repl/scala-2.12/pom.xml b/repl/scala-2.12/pom.xml
index b1904e89..cee00fb9 100644
--- a/repl/scala-2.12/pom.xml
+++ b/repl/scala-2.12/pom.xml
@@ -31,12 +31,4 @@
     <relativePath>../pom.xml</relativePath>
   </parent>
 
-  <properties>
-    <scala.version>${scala-2.12.version}</scala.version>
-    <scala.binary.version>2.12</scala.binary.version>
-    <spark.version>${spark.scala-2.12.version}</spark.version>
-    <netty.version>${netty.spark-2.12.version}</netty.version>
-    <json4s.version>${json4s.spark-2.12.version}</json4s.version>
-  </properties>
-
 </project>
diff --git a/scala-api/scala-2.11/pom.xml b/scala-api/scala-2.11/pom.xml
index e06b7f2f..a2ed04f0 100644
--- a/scala-api/scala-2.11/pom.xml
+++ b/scala-api/scala-2.11/pom.xml
@@ -29,10 +29,4 @@
     <relativePath>../pom.xml</relativePath>
   </parent>
 
-  <properties>
-    <scala.version>${scala-2.11.version}</scala.version>
-    <scala.binary.version>2.11</scala.binary.version>
-    <spark.version>${spark.scala-2.11.version}</spark.version>
-    <netty.version>${netty.spark-2.11.version}</netty.version>
-  </properties>
 </project>
diff --git a/scala-api/scala-2.12/pom.xml b/scala-api/scala-2.12/pom.xml
index a4f362d1..40401884 100644
--- a/scala-api/scala-2.12/pom.xml
+++ b/scala-api/scala-2.12/pom.xml
@@ -28,11 +28,4 @@
     <version>0.8.0-incubating-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
-
-  <properties>
-    <scala.version>${scala-2.12.version}</scala.version>
-    <scala.binary.version>2.12</scala.binary.version>
-    <spark.version>${spark.scala-2.12.version}</spark.version>
-    <netty.version>${netty.spark-2.12.version}</netty.version>
-  </properties>
 </project>

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