Add distributionManagement explicitly to prevent maven from using

default configuration. In default configuration, maven needs webdav for
deployment, which cannot be found in central repository.

java/pom.xml

@@ -191,6 +191,16 @@
   <profiles>
     <profile>
       <id>release</id>
+      <distributionManagement>
+        <snapshotRepository>
+          <id>sonatype-nexus-staging</id>
+          <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+          <id>sonatype-nexus-staging</id>
+          <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+      </distributionManagement>
       <build>
         <plugins>
           <plugin>

javanano/pom.xml

@@ -174,6 +174,16 @@
   <profiles>
     <profile>
       <id>release</id>
+      <distributionManagement>
+        <snapshotRepository>
+          <id>sonatype-nexus-staging</id>
+          <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+          <id>sonatype-nexus-staging</id>
+          <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+      </distributionManagement>
       <build>
         <plugins>
           <plugin>