All Questions
440 questions
0
votes
1
answer
123
views
Appengine Memcache issue while using objectify 6.1.1 in Java 17
I'm currently in the process of updating an AppEngine Java 8 application to Java 17. For data storage, I'm using Objectify 6.1.1. While everything runs smoothly on my local machine, I've encountered ...
- 2,284
0
votes
1
answer
75
views
How do I get a entity from the datastore by filtering a string property?
I have few entities in the datastore.
This is the structure of the enitity.
public class YTLink {
@Id
String videoId;
@Index
String videoTitle;
@Index
String videoLink;
@...
- 1
1
vote
1
answer
88
views
Querying Stat tables using Objectify
I am trying to perform a low-level Datastore query on one of the Stat tables (Stat_Ns_Kind) using Objectify.
The operation I'm trying to run looks like this:
ofy()
.load()
.kind("__Stat_Ns_Kind__&...
- 103
0
votes
1
answer
90
views
Objectify - make error in transaction propagate to end user - don't retry, throw error
How can I make it so that if there is an error in a transaction (such as a ConcurrentModificationException error), the error is propagated to the end user? So instead of retrying, it will just throw ...
- 10.9k
0
votes
1
answer
178
views
If my datastore transaction fails, will code after the transaction run?
What happens if my datastore transaction fails and I have some more code that is supposed to run after it finishes? Does the application throw and error and end there? Will my second block of code run ...
- 10.9k
0
votes
1
answer
46
views
Datastore contention on new deployment with the same code
We're having some issue with our application that uses Datastore (not Firestore in Datastore mode) after redeploying the code. On the new AppEngine service deployment with the same code we get ...
- 1
2
votes
0
answers
148
views
Objectify 5 to connect the local datastore emulator in java project
I have to connect java appengine project with local datastore emulator in gcp.
ObjectifyService.init(new ObjectifyFactory(
DatastoreOptions.newBuilder()
.setHost("http://localhost:...
1
vote
0
answers
59
views
How to use Objectify of google app engine in servlet locally?
I am a beginner in using google app engine.
How can I use Objectify in this program for storing, locally? And also I want to edit and delete the data in the List.
I can't able to learn about "use ...
- 11
1
vote
2
answers
394
views
Objectify v5 and v6 at the same time in a google app engine java 8 standard project
We want to do a zero downtime migration of a google app engine java 8 standard project to another region.
Unfortunately google does not support this, so it has to be done manually.
One could export ...
- 588
0
votes
1
answer
80
views
Creating a reference can throw a ConcurrentModificationException inside of a transaction with objectify
I am making an ancestor query inside of a transaction like this:
Task task = OfyService.ofy().load().type(Task.class)
.ancestor(jobKey)
.filter("...
- 89
0
votes
1
answer
177
views
Is there any other Alternative for 'IN' and 'OR' operators in Objectify(The Cloud Datastore SDK does not currently support 'IN' filters). -java
Entity 1
@Cache
@Entity
public class EmployeeDO {
@Id
@Index
private Long employeeId;
@Index
@Load
private Ref<CompanyDO> companyId;
}
Entity 2
@Cache
@Entity
public class ...
- 1
0
votes
1
answer
441
views
Google App Engine exception when using objectify 6.0 - com.googlecode.objectify.LoadException
I am using objectify 6.0 to retrieve data from GAE datastore. The datastore table has 7 fields other than id, as below.
package org.skoonline.atl.dataservice.entities;
import com.google.appengine.api....
0
votes
1
answer
291
views
How do you configure a servlet filter in Google App Engine's app.yaml file?
I am writing a Kotlin app to be deployed on Google App Engine. I am using a Gradle plugin to do the actual deploy to GAE. Everything had been working fine; I successfully deployed a hello-world ...
- 1,700
0
votes
1
answer
84
views
How do I set up a transaction within a void function in Java GAE using Objectify?
I am trying to set up a transaction in a void function in Java using Objectify. This is the wiki documentation.
import static com.googlecode.objectify.ObjectifyService.ofy;
Thing th = ofy().transact((...
0
votes
1
answer
161
views
Embedded entity "with Text" reading from originaly stored as Blob
in addition to the first question with working answer
I was not able to deserialize the following
private @Serialize List<ProduktSprache> produktsprachen;
the new class looks like this stored ...
- 152