Add tool chain stuff to use the correct SDK for compilation

Author: sbabcoc

pom.xml

@@ -28,15 +28,16 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>1.7</maven.compiler.source>
     <maven.compiler.target>1.7</maven.compiler.target>
-    <testng.version>6.11</testng.version>
+    <testng.version>6.10</testng.version>
+    <toolchains-plugin.version>1.1</toolchains-plugin.version>
     <surefire-plugin.version>2.19.1</surefire-plugin.version>
     <source-plugin.version>3.0.1</source-plugin.version>
     <javadoc-plugin.version>2.10.4</javadoc-plugin.version>
-    <guava.version>23.5-jre</guava.version>
+    <guava.version>19.0</guava.version>
     <gpg-plugin.version>1.6</gpg-plugin.version>
     <staging-plugin.version>1.6.7</staging-plugin.version>
     <release-plugin.version>2.5.3</release-plugin.version>
-    <apache-derby.version>10.14.1.0</apache-derby.version>
+    <apache-derby.version>10.12.1.1</apache-derby.version>
   </properties>
 
   <scm>
@@ -97,6 +98,11 @@
   <build>
     <pluginManagement>
       <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-toolchains-plugin</artifactId>
+          <version>${toolchains-plugin.version}</version>
+        </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
@@ -127,9 +133,52 @@
           <artifactId>maven-release-plugin</artifactId>
           <version>${release-plugin.version}</version>
         </plugin>
+        <plugin>
+          <groupId>org.eclipse.m2e</groupId>
+          <artifactId>lifecycle-mapping</artifactId>
+          <version>1.0.0</version>
+          <configuration>
+            <lifecycleMappingMetadata>
+              <pluginExecutions>
+                <pluginExecution>
+                  <pluginExecutionFilter>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-toolchains-plugin</artifactId>
+                    <versionRange>[1.0.0,)</versionRange>
+                    <goals>
+                      <goal>toolchain</goal>
+                    </goals>
+                  </pluginExecutionFilter>
+                  <action>
+                    <execute />
+                  </action>
+                </pluginExecution>
+              </pluginExecutions>
+            </lifecycleMappingMetadata>
+          </configuration>
+        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-toolchains-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>toolchain</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <toolchains>
+            <jdk>
+              <version>1.7</version>
+              <vendor>oracle</vendor>
+            </jdk>
+          </toolchains>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>