extract pom version into properties

core-groovy-2/pom.xml

@@ -77,7 +77,7 @@
                     <dependency>
                         <groupId>org.codehaus.groovy</groupId>
                         <artifactId>groovy-eclipse-compiler</artifactId>
-                        <version>3.3.0-01</version>
+                        <version>${groovy.compiler.version}</version>
                     </dependency>
                     <dependency>
                         <groupId>org.codehaus.groovy</groupId>

core-java-modules/core-java-11/pom.xml

@@ -65,7 +65,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.1</version>
+                <version>${shade.plugin.version}</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -109,6 +109,7 @@
         <uberjar.name>benchmarks</uberjar.name>
         <jmh.version>1.22</jmh.version>
         <eclipse.collections.version>10.0.0</eclipse.collections.version>
+        <shade.plugin.version>10.0.0</shade.plugin.version>
     </properties>
 
 </project>

data-structures/pom.xml

@@ -23,7 +23,7 @@
         <dependency>
             <groupId>com.leansoft</groupId>
             <artifactId>bigqueue</artifactId>
-            <version>0.7.0</version>
+            <version>${bigqueue.version}</version>
         </dependency>
     </dependencies>
 
@@ -39,4 +39,8 @@
         </pluginManagement>
     </build>
 
+    <properties>
+        <bigqueue.version>0.7.0</bigqueue.version>
+    </properties>
+
 </project>

ethereum/pom.xml

@@ -189,7 +189,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-war-plugin</artifactId>
-                <version>3.0.0</version>
+                <version>${war.plugin.version}</version>
                 <configuration>
                     <warSourceDirectory>src/main/webapp</warSourceDirectory>
                     <failOnMissingWebXml>false</failOnMissingWebXml>
@@ -218,5 +218,6 @@
         <compiler.plugin.version>3.1</compiler.plugin.version>
         <source.version>1.8</source.version>
         <target.version>1.8</target.version>
+        <war.plugin.version>3.0.0</war.plugin.version>
     </properties>
 </project>

java-numbers-3/pom.xml

@@ -17,7 +17,7 @@
     	<dependency>
             <groupId>it.unimi.dsi</groupId>
             <artifactId>dsiutils</artifactId>
-            <version>2.6.0</version>
+            <version>${dsiutils.version}</version>
         </dependency>
     </dependencies>
    
@@ -31,4 +31,8 @@
         </resources>
     </build>
 
+    <properties>
+        <dsiutils.version>2.6.0</dsiutils.version>
+    <properties>
+
 </project>

jhipster/jhipster-uaa/quotes/pom.xml

@@ -232,7 +232,7 @@
         <dependency>
             <groupId>org.zalando</groupId>
             <artifactId>problem-spring-web</artifactId>
-            <version>0.24.0-RC.0</version>
+            <version>${zalando.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.security.oauth</groupId>
@@ -910,5 +910,6 @@
         <sonar.tests>${project.basedir}/src/test/</sonar.tests>
 
         <!-- jhipster-needle-maven-property -->
+        <zalando.version>0.24.0-RC.0</zalando.version>
     </properties>	
 </project>

kotlin-libraries-2/pom.xml

@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.reactivex.rxjava2</groupId>
             <artifactId>rxkotlin</artifactId>
-            <version>2.3.0</version>
+            <version>${rxkotlin.version}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -86,6 +86,7 @@
         <guava.version>27.1-jre</guava.version>
         <mockk.version>1.9.3</mockk.version>
         <kotlinx-collections-immutable.version>0.1</kotlinx-collections-immutable.version>
+        <rxkotlin.version>2.3.0</rxkotlin.version>
     </properties>
 
 </project>

kotlin-quasar/pom.xml

@@ -48,7 +48,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>${junit.version}</version>
         </dependency>
         <!-- logging -->
         <dependency>
@@ -148,6 +148,7 @@
         <dependency.plugin.version>3.1.1</dependency.plugin.version> 
         <surefire.plugin.version>2.22.1</surefire.plugin.version>
         <exec.plugin.version>1.3.2</exec.plugin.version>
+        <junit.version>4.12</junit.version>
     </properties>
 
 </project>

maven-all/profiles/pom.xml

@@ -73,7 +73,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-help-plugin</artifactId>
-                <version>3.2.0</version>
+                <version>${help.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>show-profiles</id>
@@ -87,4 +87,8 @@
         </plugins>
     </build>
 
+    <properties>
+       <help.plugin.version>3.2.0</help.plugin.version>
+    </properties>
+
 </project>

maven-all/versions-maven-plugin/original/pom.xml

@@ -46,7 +46,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>versions-maven-plugin</artifactId>
-                <version>2.7</version>
+                <version>${versions.plugin.version}</version>
                 <configuration>
                     <excludes>
                         <exclude>org.apache.commons:commons-collections4</exclude>
@@ -76,6 +76,7 @@
         <commons-collections4.version>4.0</commons-collections4.version>
         <commons-lang3.version>3.0</commons-lang3.version>
         <commons-beanutils.version>1.9.1</commons-beanutils.version>
+        <versions.plugin.version>2.7</versions.plugin.version>
     </properties>
     	
 </project>

ninja/pom.xml

@@ -16,6 +16,12 @@
         <bootstrap.version>3.3.4</bootstrap.version>
         <jquery.version>2.1.3</jquery.version>
         <h2.version>1.4.186</h2.version>
+        <compiler.plugin.version>3.2</compiler.plugin.version>
+        <source.version>1.8</source.version>
+        <target.version>1.8</target.version>
+        <enforcer.plugin.version>1.3.1</enforcer.plugin.version>
+        <deploy.plugin.version>2.8.2</deploy.plugin.version>
+        <shade.plugin.version>2.2</shade.plugin.version>
     </properties>
 
     <build>
@@ -23,16 +29,16 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.2</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
-                    <source>1.8</source>
+                    <source>${source.version}</source>
-                    <target>1.8</target>
+                    <target>${target.version}</target>
                 </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
-                <version>1.3.1</version>
+                <version>${enforcer.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>enforce-banned-dependencies</id>
@@ -95,7 +101,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-deploy-plugin</artifactId>
-                <version>2.8.2</version>
+                <version>${deploy.plugin.version}</version>
                 <configuration>
                     <skip>true</skip>
                 </configuration>
@@ -103,7 +109,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>2.2</version>
+                <version>${shade.plugin.version}</version>
                 <configuration>
                     <createDependencyReducedPom>true</createDependencyReducedPom>
                     <filters>

parent-kotlin/pom.xml

@@ -45,7 +45,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>2.2.0.M4</version>
+                <version>${boot.dependencies.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -215,6 +215,7 @@
         <ktor.io.version>0.9.5</ktor.io.version>
         <assertj.version>3.12.0</assertj.version>
         <junit.platform.version>1.3.2</junit.platform.version>
+        <boot.dependencies.version>2.2.0.M4</boot.dependencies.version>
     </properties>
 
 </project>

performance-tests/pom.xml

@@ -38,7 +38,7 @@
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct-processor</artifactId>
-            <version>1.2.0.Final</version>
+            <version>${mapstruct-jdk8.version}</version>
             <scope>provided</scope>
         </dependency>
 
@@ -93,6 +93,15 @@
             Name of the benchmark Uber-JAR to generate.
           -->
         <uberjar.name>benchmarks</uberjar.name>
+        <compiler.plugin.version>3.1</compiler.plugin.version>
+        <shade.plugin.version>2.2</shade.plugin.version>
+        <install.version>2.5.1</install.version>
+        <jar.plugin.version>2.4</jar.plugin.version>
+        <javadoc.plugin.version>2.9.1</javadoc.plugin.version>
+        <resources.plugin.version>2.6</resources.plugin.version>
+        <site.plugin.version>3.3</site.plugin.version>
+        <source.plugin.version>2.2.1</source.plugin.version>
+        <surefire.plugin.version>2.17</surefire.plugin.version>
     </properties>
 
     <build>
@@ -100,7 +109,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
                     <compilerVersion>${javac.target}</compilerVersion>
                     <source>${javac.target}</source>
@@ -117,7 +126,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>2.2</version>
+                <version>${shade.plugin.version}</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -162,31 +171,31 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-install-plugin</artifactId>
-                    <version>2.5.1</version>
+                    <version>${install.version}</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>2.4</version>
+                    <version>${jar.plugin.version}</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>2.9.1</version>
+                    <version>${javadoc.plugin.version}</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-resources-plugin</artifactId>
-                    <version>2.6</version>
+                    <version>${resources.plugin.version}</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-site-plugin</artifactId>
-                    <version>3.3</version>
+                    <version>${site.plugin.version}</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>2.2.1</version>
+                    <version>${source.plugin.version}</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.17</version>
+                    <version>${surefire.plugin.version}</version>
                 </plugin>
             </plugins>
         </pluginManagement>

persistence-modules/hibernate5-2/pom.xml

@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-core</artifactId>
-            <version>5.4.7.Final</version>
+            <version>${hibernate.core.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -51,19 +51,22 @@
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.4.200</version>
+            <version>${h2.version}</version>
         </dependency>
 
         <dependency>
         	<groupId>org.apache.commons</groupId>
         	<artifactId>commons-lang3</artifactId>
-        	<version>3.8.1</version>
+        	<version>${commons.lang3.version}</version>
         </dependency>
     </dependencies>
 
     <properties>
         <maven.deploy.skip>true</maven.deploy.skip>
         <spring-boot.version>2.1.7.RELEASE</spring-boot.version>
+        <hibernate.core.version>5.4.7.Final</hibernate.core.version>
+        <h2.version>1.4.200</h2.version>
+        <commons.lang3.version>3.8.1</commons.lang3.version>
     </properties>
 
 </project>

persistence-modules/java-jpa-2/pom.xml

@@ -63,7 +63,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
                     <compilerArgument>-proc:none</compilerArgument>
                 </configuration>
@@ -71,7 +71,7 @@
             <plugin>
                 <groupId>org.bsc.maven</groupId>
                 <artifactId>maven-processor-plugin</artifactId>
-                <version>3.3.3</version>
+                <version>${processor.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>process</id>
@@ -91,7 +91,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>build-helper-maven-plugin</artifactId>
-                <version>3.0.0</version>
+                <version>${helper.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>add-source</id>
@@ -116,6 +116,9 @@
         <postgres.version>42.2.5</postgres.version>
         <javax.persistence-api.version>2.2</javax.persistence-api.version>
         <assertj.version>3.11.1</assertj.version>
+        <compiler.plugin.version>3.5.1</compiler.plugin.version>
+        <processor.plugin.version>3.3.3</processor.plugin.version>
+        <helper.plugin.version>3.0.0</helper.plugin.version>
     </properties>
 
 </project>

persistence-modules/jnosql/jnosql-diana/pom.xml

@@ -55,7 +55,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>1.6.0</version>
+                <version>${exec.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>document</id>
@@ -89,4 +89,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <exec.plugin.version>1.6.0</exec.plugin.version>
+    </properties>
+
 </project>

persistence-modules/sirix/pom.xml

@@ -30,7 +30,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.0</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
                     <release>${maven.release.version}</release>
                     <encoding>${project.build.sourceEncoding}</encoding>
@@ -39,7 +39,7 @@
                     <dependency>
                         <groupId>org.ow2.asm</groupId>
                         <artifactId>asm</artifactId>
-                        <version>6.1</version> <!-- Use newer version of ASM -->
+                        <version>${asm.version}</version> <!-- Use newer version of ASM -->
                     </dependency>
                 </dependencies>
             </plugin>
@@ -50,6 +50,8 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.release.version>11</maven.release.version>
         <sirix-core.version>0.9.3</sirix-core.version>
+        <compiler.plugin.version>3.8.0</compiler.plugin.version>
+        <asm.version>6.1</asm.version>
     </properties>
 
 </project>

persistence-modules/spring-boot-persistence-2/pom.xml

@@ -21,7 +21,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>2.1.8.RELEASE</version>
+                <version>${spring.boot.dependencies}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -97,6 +97,7 @@
     <properties>
         <java.version>1.8</java.version>
         <jdbi.version>3.9.1</jdbi.version>
+        <spring.boot.dependencies>2.1.8.RELEASE</spring.boot.dependencies>
     </properties>
 
 </project>

persistence-modules/spring-data-geode/pom.xml

@@ -18,7 +18,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
-            <version>2.1.9.RELEASE</version>
+            <version>${spring.boot.starter.version}</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.springframework.boot</groupId>
@@ -89,6 +89,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <start-class>com.baeldung.springdatageode.app.ClientCacheApp</start-class>
         <spring-geode-starter-version>1.1.1.RELEASE</spring-geode-starter-version>
+        <spring.boot.starter.version>2.1.9.RELEASE</spring.boot.starter.version>
     </properties>
 
 </project>

quarkus-extension/quarkus-liquibase/deployment/pom.xml

@@ -40,7 +40,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
                     <annotationProcessorPaths>
                         <path>
@@ -54,4 +54,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <compiler.plugin.version>3.8.1</compiler.plugin.version>
+    </properties>
+
 </project>

quarkus-extension/quarkus-liquibase/runtime/pom.xml

@@ -26,7 +26,7 @@
         <dependency>
             <groupId>org.liquibase</groupId>
             <artifactId>liquibase-core</artifactId>
-            <version>3.8.1</version>
+            <version>${liquibase.version}</version>
         </dependency>
     </dependencies>
 
@@ -51,7 +51,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
                     <annotationProcessorPaths>
                         <path>
@@ -65,4 +65,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <compiler.plugin.version>3.8.1</compiler.plugin.version>
+        <liquibase.version>3.8.1</liquibase.version>
+    </properties>
 </project>

spf4j/spf4j-aspects-app/pom.xml

@@ -39,16 +39,16 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.0</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
-                    <source>1.8</source>
+                    <source>${source.version}</source>
-                    <target>1.8</target>
+                    <target>${target.version}</target>
                 </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-dependency-plugin</artifactId>
-                <version>3.1.1</version>
+                <version>${dependency.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>copy-dependencies</id>
@@ -84,6 +84,10 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spf4j.version>8.6.10</spf4j.version>
         <org.slf4j.version>1.7.21</org.slf4j.version>
+        <compiler.plugin.version>3.8.0</compiler.plugin.version>
+        <source.version>1.8</source.version>
+        <target.version>1.8</target.version>
+        <dependency.plugin.version>3.1.1</dependency.plugin.version>
     </properties>
 
 </project>

spf4j/spf4j-core-app/pom.xml

@@ -39,16 +39,16 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.0</version>
+                <version>${compiler.plugin.version}</version>
                 <configuration>
-                    <source>1.8</source>
+                    <source>${source.version}</source>
-                    <target>1.8</target>
+                    <target>${target.version}</target>
                 </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-dependency-plugin</artifactId>
-                <version>3.1.1</version>
+                <version>${dependency.plugin.version}</version>
                 <executions>
                     <execution>
                         <id>copy-dependencies</id>
@@ -84,6 +84,10 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spf4j.version>8.6.10</spf4j.version>
         <org.slf4j.version>1.7.21</org.slf4j.version>
+        <compiler.plugin.version>3.8.0</compiler.plugin.version>
+        <source.version>1.8</source.version>
+        <target.version>1.8</target.version>
+        <dependency.plugin.version>3.1.1</dependency.plugin.version>
     </properties>
 
 </project>