updated private cloud jdk version

server/.idea/compiler.xml

@@ -10,7 +10,6 @@
       </profile>
     </annotationProcessing>
     <bytecodeTargetLevel>
-      <module name="private-server" target="1.8" />
       <module name="wrapper" target="1.5" />
     </bytecodeTargetLevel>
   </component>

server/pom.xml

@@ -99,6 +99,14 @@
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
         </plugins>
     </build>