Fix the ssl protocol_version error #311

Author: kazuki43zoo

.mvn/wrapper/maven-wrapper.properties

@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.2.5/apache-maven-3.2.5-bin.zip
+# for gh-311 (modify url of maven central to http from https)
+distributionUrl=http://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.2.5/apache-maven-3.2.5-bin.zip

.travis.yml

@@ -13,6 +13,10 @@ jdk:
   - openjdk7
   - openjdk6
 
+before_install:
+  # for gh-311 (modify to use the TLSv1.2 on Java 7)
+  - export _JAVA_OPTIONS=-Dhttps.protocols=TLSv1,TLSv1.1,TLSv1.2
+
 after_success:
   - chmod -R 777 ./travis/after_success.sh
   - ./travis/after_success.sh

pom.xml

@@ -336,6 +336,30 @@
           </plugin>
         </plugins>
       </build>
+      <!-- for gh-311 (modify url of maven central to http from https) -->
+      <repositories>
+        <repository>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
+          <id>central</id>
+          <name>Central Repository</name>
+          <url>http://repo1.maven.org/maven2/</url>
+        </repository>
+      </repositories>
+      <pluginRepositories>
+        <pluginRepository>
+          <releases>
+            <updatePolicy>never</updatePolicy>
+          </releases>
+          <snapshots>
+            <enabled>false</enabled>
+          </snapshots>
+          <id>central</id>
+          <name>Central Repository</name>
+          <url>http://repo1.maven.org/maven2/</url>
+        </pluginRepository>
+      </pluginRepositories>
     </profile>
   </profiles>