Add maven implicit plugin group ID

Add previously implicit <groupId>org.apache.maven.plugins</groupId>
to plugin declarations.

pom.xml

@@ -53,6 +53,7 @@
 		<pluginManagement>
 			<plugins>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-antrun-plugin</artifactId>
 					<version>1.7</version>
 				</plugin>
@@ -97,6 +98,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-antrun-plugin</artifactId>
 						<dependencies>
 							<dependency>
@@ -202,6 +204,7 @@
 						</executions>
 					</plugin>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-surefire-plugin</artifactId>
 						<configuration>
 							<skip>true</skip>

spring-boot-cli/pom.xml

@@ -132,9 +132,11 @@
 	<build>
 		<plugins>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-failsafe-plugin</artifactId>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
 				<configuration>
 					<additionalClasspathElements>
@@ -183,6 +185,7 @@
 				</executions>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
 				<executions>
 					<execution>
@@ -222,6 +225,7 @@
 				</executions>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-antrun-plugin</artifactId>
 				<dependencies>
 					<dependency>

spring-boot-dependencies/pom.xml

@@ -718,74 +718,92 @@
 		<pluginManagement>
 			<plugins>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-antrun-plugin</artifactId>
 					<version>1.7</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-assembly-plugin</artifactId>
 					<version>2.4</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-clean-plugin</artifactId>
 					<version>2.5</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-compiler-plugin</artifactId>
 					<version>3.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-deploy-plugin</artifactId>
 					<version>2.8.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-dependency-plugin</artifactId>
 					<version>2.8</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-eclipse-plugin</artifactId>
 					<version>2.9</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-failsafe-plugin</artifactId>
 					<version>2.16</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-install-plugin</artifactId>
 					<version>2.5.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-help-plugin</artifactId>
 					<version>2.2</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-jar-plugin</artifactId>
 					<version>2.4</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-javadoc-plugin</artifactId>
 					<version>2.9.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-resources-plugin</artifactId>
 					<version>2.6</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-shade-plugin</artifactId>
 					<version>2.2</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-site-plugin</artifactId>
 					<version>3.3</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-source-plugin</artifactId>
 					<version>2.2.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-surefire-plugin</artifactId>
 					<version>2.16</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-war-plugin</artifactId>
 					<version>2.4</version>
 				</plugin>

spring-boot-docs/pom.xml

@@ -51,6 +51,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
 						<executions>
 							<execution>

spring-boot-integration-tests/pom.xml

@@ -30,6 +30,7 @@
 					<plugin>
 						<!-- Invoke integration tests in the install phase, after the maven-plugin
 							is available -->
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-invoker-plugin</artifactId>
 						<configuration>
 							<settingsFile>src/it/settings.xml</settingsFile>

spring-boot-parent/pom.xml

@@ -230,14 +230,17 @@
 		<pluginManagement>
 			<plugins>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-invoker-plugin</artifactId>
 					<version>1.8</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-enforcer-plugin</artifactId>
 					<version>1.3.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-failsafe-plugin</artifactId>
 					<executions>
 						<execution>
@@ -323,6 +326,7 @@
 		</pluginManagement>
 		<plugins>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
 				<configuration>
 					<source>${java.version}</source>
@@ -330,6 +334,7 @@
 				</configuration>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-eclipse-plugin</artifactId>
 				<configuration>
 					<useProjectReferences>false</useProjectReferences>
@@ -346,6 +351,7 @@
 				</configuration>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-enforcer-plugin</artifactId>
 				<executions>
 					<execution>
@@ -364,6 +370,7 @@
 				</executions>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
 				<configuration>
 					<archive>
@@ -375,6 +382,7 @@
 				</configuration>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
 				<configuration>
 					<includes>
@@ -391,6 +399,7 @@
 				</configuration>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-war-plugin</artifactId>
 				<configuration>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
@@ -446,6 +455,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
 						<executions>
 							<execution>
@@ -458,6 +468,7 @@
 						</executions>
 					</plugin>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-source-plugin</artifactId>
 						<executions>
 							<execution>
@@ -547,6 +558,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-enforcer-plugin</artifactId>
 						<executions>
 							<execution>
@@ -575,6 +587,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-enforcer-plugin</artifactId>
 						<executions>
 							<execution>

spring-boot-samples/pom.xml

@@ -57,6 +57,7 @@
 	<build>
 		<plugins>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-eclipse-plugin</artifactId>
 				<configuration>
 					<useProjectReferences>false</useProjectReferences>
@@ -73,6 +74,7 @@
 				</configuration>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
 				<configuration>
 					<includes>

spring-boot-starters/spring-boot-starter-parent/pom.xml

@@ -201,6 +201,7 @@
 			<plugins>
 				<!-- Apply more sensible defaults for user projects -->
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-compiler-plugin</artifactId>
 					<version>3.1</version>
 					<configuration>
@@ -209,6 +210,7 @@
 					</configuration>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-jar-plugin</artifactId>
 					<configuration>
 						<archive>
@@ -219,6 +221,7 @@
 					</configuration>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-surefire-plugin</artifactId>
 					<version>2.15</version>
 					<configuration>
@@ -232,6 +235,7 @@
 					</configuration>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-war-plugin</artifactId>
 					<configuration>
 						<failOnMissingWebXml>false</failOnMissingWebXml>

spring-boot-tools/spring-boot-dependency-tools/pom.xml

@@ -44,6 +44,7 @@
 				</executions>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-help-plugin</artifactId>
 				<executions>
 					<execution>

spring-boot-tools/spring-boot-gradle-plugin/pom.xml

@@ -60,6 +60,7 @@
 		<sourceDirectory>src/main/groovy</sourceDirectory>
 		<plugins>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
 				<configuration>
 					<compilerId>groovy-eclipse-compiler</compilerId>

spring-boot-tools/spring-boot-loader-tools/pom.xml

@@ -109,6 +109,7 @@
 				</executions>
 			</plugin>
 			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
 				<configuration>
 					<archive>

spring-boot-tools/spring-boot-loader/pom.xml

@@ -47,6 +47,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-invoker-plugin</artifactId>
 						<configuration>
 							<cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>

spring-boot-tools/spring-boot-maven-plugin/pom.xml

@@ -27,6 +27,7 @@
 			<build>
 				<plugins>
 					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-invoker-plugin</artifactId>
 						<configuration>
 							<cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>