Upgraded versions for various plugins.

changes #revert back 1.8 to 1.7 due to groovy compatibility.

pom.xml

@@ -57,8 +57,8 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.build.timestamp.format>yyyyMMddhhmm</maven.build.timestamp.format>
-    <maven.version>3.0</maven.version>
-    <bnd.version>5.3.0</bnd.version>
+    <maven.version>3.9.0</maven.version>
+    <bnd.version>6.4.0</bnd.version>
     <javacpp.platform.root></javacpp.platform.root>
     <javacpp.platform.suffix></javacpp.platform.suffix>
     <javacpp.platform.compiler></javacpp.platform.compiler>
@@ -93,7 +93,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.36</version>
+      <version>2.0.9</version>
       <optional>true</optional>
     </dependency>
     <!--
@@ -103,7 +103,7 @@
     <dependency>
       <groupId>org.osgi</groupId>
       <artifactId>osgi.annotation</artifactId>
-      <version>7.0.0</version>
+      <version>8.1.0</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>
@@ -128,7 +128,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-plugin-plugin</artifactId>
-        <version>3.6.2</version>
+        <version>3.9.0</version>
         <configuration>
           <packagingTypes>
             <packagingType>jar</packagingType>
@@ -146,15 +146,15 @@
       </plugin>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.8.1</version>
+        <version>3.12.1</version>
         <configuration>
           <source>1.7</source>
           <target>1.7</target>
         </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.22.2</version>
+        <version>3.2.3</version>
         <configuration>
           <systemProperties>
             <property>
@@ -187,7 +187,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>3.2.0</version>
+        <version>3.3.0</version>
         <configuration>
           <archive>
             <!-- Pull in the bnd generated manifest -->
@@ -218,7 +218,7 @@
       <plugin>
         <groupId>org.moditect</groupId>
         <artifactId>moditect-maven-plugin</artifactId>
-        <version>1.0.0.RC2</version>
+        <version>1.1.0</version>
         <configuration>
           <jvmVersion>9</jvmVersion>
           <overwriteExistingFiles>true</overwriteExistingFiles>
@@ -244,14 +244,14 @@
       </plugin>
       <plugin>
         <artifactId>maven-install-plugin</artifactId>
-        <version>3.0.0-M1</version>
+        <version>3.1.1</version>
         <configuration>
           <createChecksum>true</createChecksum>
         </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <configuration>
           <attach>false</attach>
           <descriptors>
@@ -270,7 +270,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-source-plugin</artifactId>
-        <version>3.2.1</version>
+        <version>3.3.0</version>
         <executions>
           <execution>
             <id>attach-source</id>
@@ -282,7 +282,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.3.1</version>
+        <version>3.6.3</version>
         <executions>
           <execution>
             <id>attach-javadocs</id>
@@ -312,7 +312,7 @@
       <plugin>
         <groupId>org.sonatype.plugins</groupId>
         <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.8</version>
+        <version>1.6.13</version>
         <extensions>true</extensions>
         <configuration>
           <serverId>sonatype-nexus-staging</serverId>
@@ -406,7 +406,7 @@ Import-Package: \
         <plugins>
           <plugin>
             <artifactId>maven-gpg-plugin</artifactId>
-            <version>3.0.1</version>
+            <version>3.1.0</version>
             <executions>
               <execution>
                 <id>sign-artifacts</id>
@@ -438,7 +438,7 @@ Import-Package: \
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>3.0.0</version>
+            <version>3.1.1</version>
             <executions>
               <execution>
                 <phase>process-classes</phase>
@@ -553,7 +553,7 @@ Import-Package: \
           </plugin>
           <plugin>
             <artifactId>maven-invoker-plugin</artifactId>
-            <version>3.2.2</version>
+            <version>3.6.0</version>
               <configuration>
                 <cloneProjectsTo>${project.build.directory}/integration-test/projects</cloneProjectsTo>
                 <cloneClean>true</cloneClean>