Not sure that I have understood your code correctly, but as expected I get the same error:
com.google.apphosting.api.ApiProxy$RequestTooLargeException: The request to API call datastore_v3.Put() was too large. at com.google.appengine.tools.development.ApiProxyLocalImpl $AsyncApiCall.call(ApiProxyLocalImpl.java:288) at com.google.appengine.tools.development.ApiProxyLocalImpl $AsyncApiCall.call(ApiProxyLocalImpl.java:264) ... Here is my code (local unit test): _ds = new MindashDatastoreServiceImpl(_testUtil.getDatastoreService(), new DatastoreHelperImpl()); @Test public void testSimplePersist() { int size = 10 * 1024 * 1000; byte[] buf = new byte[size]; _generator.nextBytes(buf); Key key = createEntity(buf); byte[] buf2 = readEntity(key); checkBuffersForEquality(buf, buf2); } private Key createEntity(byte[] buf) { Entity ent = new Entity(MY_KIND); Blob blob= new Blob(buf); ent.setProperty(MY_PROP, blob); Key key = _ds.put(ent); return key; } private byte[] readEntity(Key key) { Entity ent = null; try { ent = _ds.get(key); } catch (EntityNotFoundException e) { fail("Failed to read entity from key (EntityNotFoundException)" + key); } catch (EntityCorruptException e) { fail("Failed to read entity from key (EntityCorruptException)" + key); } Blob blob = (Blob) ent.getProperty(MY_PROP); return blob.getBytes(); } -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.