Continue deleting and ignore failure when file already hidden.

Author: dkocher

backblaze/src/main/java/ch/cyberduck/core/b2/B2DeleteFeature.java

@@ -84,7 +84,17 @@ else if(file.isFile()) {
                             if(log.isDebugEnabled()) {
                                 log.debug(String.format("Add hide marker %s of %s", file.attributes().getVersionId(), file));
                             }
-                            session.getClient().hideFile(fileid.getVersionId(containerService.getContainer(file)), containerService.getKey(file));
+                            try {
+                                session.getClient().hideFile(fileid.getVersionId(containerService.getContainer(file)), containerService.getKey(file));
+                            }
+                            catch(B2ApiException e) {
+                                if("already_hidden".equalsIgnoreCase(e.getCode())) {
+                                    log.warn(String.format("Ignore failure %s hiding file %s already hidden", e.getMessage(), file));
+                                }
+                                else {
+                                    throw e;
+                                }
+                            }
                         }
                         else {
                             // Delete specific version

backblaze/src/main/java/ch/cyberduck/core/b2/B2ExceptionMappingService.java

@@ -79,6 +79,9 @@ public BackgroundException map(final B2ApiException e) {
                 if("bad_bucket_id".equalsIgnoreCase(e.getCode())) {
                     return new NotfoundException(buffer.toString(), e);
                 }
+                if("already_hidden".equalsIgnoreCase(e.getCode())) {
+                    return new NotfoundException(buffer.toString(), e);
+                }
                 if("cap_exceeded".equalsIgnoreCase(e.getCode())) {// Reached the storage cap that you set
                     return new QuotaException(buffer.toString(), e);
                 }