HCFS: bug fix for listEntries

fix https://github.com/chrislusf/seaweedfs/issues/797

other/java/client/pom.xml

@@ -67,6 +67,14 @@
             </extension>
         </extensions>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.xolstice.maven.plugins</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>

other/java/client/src/main/java/seaweedfs/client/FilerClient.java

@@ -150,6 +150,7 @@ public class FilerClient {
                 limit -= nSize;
                 lastFileName = t.get(nSize - 1).getName();
             }
+            results.addAll(t);
             if (t.size() < 1024) {
                 break;
             }