fix issue #1289 bug in zero length put

core/src/main/java/org/jclouds/http/internal/JavaUrlHttpCommandExecutorService.java

@@ -222,8 +222,10 @@ public class JavaUrlHttpCommandExecutorService extends BaseHttpCommandExecutorSe
       } else {
          connection.setRequestProperty(CONTENT_LENGTH, "0");
          // for some reason POST/PUT undoes the content length header above.
-         if (ImmutableSet.of("POST", "PUT").contains(connection.getRequestMethod()))
+         if (ImmutableSet.of("POST", "PUT").contains(connection.getRequestMethod())) {
             connection.setFixedLengthStreamingMode(0);
+            connection.setDoOutput(true);
+         }
       }
       return connection;
    }

core/src/test/java/org/jclouds/http/BaseHttpCommandExecutorServiceIntegrationTest.java

@@ -262,4 +262,9 @@ public abstract class BaseHttpCommandExecutorServiceIntegrationTest extends Base
    public void testGetAndParseSax() {
       assertEquals(client.downloadAndParse(""), "whoppers");
    }
+
+   @Test(invocationCount = 5, timeOut = 5000)
+   public void testZeroLengthPut() {
+     client.putNothing("");
+   }
 }

core/src/test/java/org/jclouds/http/BaseJettyTest.java

@@ -127,7 +127,7 @@ public abstract class BaseJettyTest {
                   response.setStatus(SC_OK);
                   response.getWriter().println(toStringAndClose(request.getInputStream()) + "PUT");
                } else {
-                  response.sendError(500, "no content");
+                  response.setStatus(SC_OK);
                }
             } else if (request.getMethod().equals("POST")) {
                // don't redirect large objects

core/src/test/java/org/jclouds/http/IntegrationTestAsyncClient.java

@@ -58,6 +58,7 @@ import com.google.inject.Provides;
 /**
  * Sample test for the behaviour of our Integration Test jetty server.
  * 
+ * @see IntegrationTestClient
  * @author Adrian Cole
  */
 public interface IntegrationTestAsyncClient {
@@ -196,6 +197,10 @@ public interface IntegrationTestAsyncClient {
 
    }
 
+   @PUT
+   @Path("/objects/{id}")
+   ListenableFuture<Void> putNothing(@PathParam("id") String id);
+
    @Provides
    StringBuilder newStringBuilder();
 

core/src/test/java/org/jclouds/http/IntegrationTestClient.java

@@ -60,6 +60,8 @@ public interface IntegrationTestClient {
 
    String downloadAndParse(String id);
 
+   void putNothing(String id);
+
    @Provides
    StringBuilder newStringBuilder();
 }