Don't fail build if volume-clean fails.

doc/changelog.md

@@ -8,6 +8,7 @@
   - Preserve leading whitespace in logs (#875)
   - Maven property interpolation in Dockerfiles (#877)
   - Allow parameters for the log prefix (#890)
+  - When removing a volume don't error if the volume does not exist (#788)
   - Fix warning when COPY and/or ADD with parameters are used (#884)
 
 * **0.22.1** (2017-08-28)

samples/log/pom.xml

@@ -0,0 +1,56 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <!--
+  Sample project for demonstrating the custom network mode
+
+  Call it with 'mvn install'.
+  It will automatically create the custom network "test-network" and create two automatically named containers that can
+  talk to each other via their netAlias names.
+  -->
+
+  <groupId>io.fabric8</groupId>
+  <artifactId>dmp-log</artifactId>
+  <version>0.21-SNAPSHOT</version>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>io.fabric8</groupId>
+        <artifactId>docker-maven-plugin</artifactId>
+        <version>0.21.0</version>
+        <configuration>
+          <verbose>true</verbose>
+          <autoPull>always</autoPull>
+          <startParallel>true</startParallel>
+          <images>
+            <image>
+              <alias>jetty1</alias>
+              <name>jetty</name>
+              <run>
+                <wait>
+                  <log>.*Server:main: Started @\d+ms.*</log>
+                  <time>60000</time>
+                </wait>
+              <log><enabled>true</enabled></log>
+              </run>
+            </image>
+            <image>
+              <alias>jetty2</alias>
+              <name>jetty</name>
+              <run>
+                <wait>
+                  <log>.*Server:main: Started @\d+ms.*</log>
+                  <time>60000</time>
+                </wait>
+              <log><enabled>true</enabled></log>
+              </run>
+            </image>
+          </images>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

src/main/java/io/fabric8/maven/docker/access/DockerAccess.java

@@ -272,7 +272,7 @@ void copyArchive(String containerId, File archive, String targetPath)
    String createVolume(VolumeCreateConfig configuration) throws DockerAccessException;
 
    /**
-    * removes a volume
+    * Removes a volume. It is a no-op if the volume does not exist.
     * @param name volume name to remove
     * @throws DockerAccessException if the volume could not be removed
     */

src/main/java/io/fabric8/maven/docker/access/hc/DockerAccessWithHcClient.java

@@ -524,7 +524,7 @@ public String createVolume(VolumeCreateConfig containerConfig)
     public void removeVolume(String name) throws DockerAccessException {
         try {
             String url = urlBuilder.removeVolume(name);
-            delegate.delete(url, HTTP_NO_CONTENT);
+            delegate.delete(url, HTTP_NO_CONTENT, HTTP_NOT_FOUND);
         } catch (IOException e) {
             throw new DockerAccessException(e, "Unable to remove volume [%s]", name);
         }