Skip to main content
Technology areas
AI and ML
Application development
Application hosting
Compute
Data analytics and pipelines
Databases
Distributed, hybrid, and multicloud
Generative AI
Industry solutions
Networking
Observability and monitoring
Security
Storage
Cross-product tools
Access and resources management
Costs and usage management
Infrastructure as code
Migration
SDK, languages, frameworks, and tools
/
Console
English
Deutsch
Español
Español – América Latina
Français
Indonesia
Italiano
Português
Português – Brasil
中文 – 简体
中文 – 繁體
日本語
한국어
Sign in
App Engine
Standard environment
Java 8
Start free
Overview
Guides
Reference
Resources
App Engine environments
App Engine standard environment
Learn about the standard environment
App Engine flexible environment
Learn about the flexible environment
App Engine Migration Center
Learn how to migrate to the latest supported versions
Technology areas
More
Overview
Guides
Reference
Resources
App Engine environments
More
Cross-product tools
More
Console
Google App Engine
Product Overview
Choose a language and environment
Java 8 Standard Environment
Building an App
Overview
Setting Up Your Development Environment
Serving Static Files
Handling HTML Form Data
Using Cloud SQL
Executing Code Asynchronously
Migrate your App to Java 11/17
How-to Guides
All How-to Guides
Migrating to the Java 8 Runtime
Developing Java 8 Apps on App Engine
Development Tools
Cloud Code for IntelliJ IDEA
Apache Maven
Using the App Engine Plugin
App Engine Plugin Goals and Parameters
Gradle
Using the App Engine Plugin
Migrating to the gcloud CLI-based Gradle plugin
App Engine Tasks and Properties
Testing and Debugging
Using the Local Development Server
Local Unit Testing
Local Unit Testing Overview
Local Unit Testing Javadoc
Overview
com.google.appengine.api.appidentity.dev
com.google.appengine.api.blobstore.dev
com.google.appengine.api.capabilities.dev
com.google.appengine.api.datastore.dev
com.google.appengine.api.files.dev
com.google.appengine.api.images.dev
com.google.appengine.api.log.dev
com.google.appengine.api.mail.dev
com.google.appengine.api.memcache.dev
com.google.appengine.api.search.dev
com.google.appengine.api.taskqueue.dev
com.google.appengine.api.urlfetch.dev
com.google.appengine.api.users.dev
com.google.appengine.tools.development.testing
Class Hierarchy
Constant Values
Deprecated List
Index
All
AllMethodsRedirectHandler
AllMethodsRedirectStrategy
BaseDevAppServerTestConfig
BlobInfoStorage
BlobStorage
BlobStorageFactory
BlobUploadSessionStorage
BlobstoreFile
CreationCostAnalysis
DatastoreV3
DatastoreV3Impl
DefaultHighRepJobPolicy
DevAppServerTest
DevAppServerTestConfig
DevAppServerTestRunner
DevLogHandler
DevPullQueue
EvaluationException
Expression
Expression.Sorter
ExpressionBuilder
ExpressionBuilder.EmptyExpression
ExpressionBuilder.IntValueExpression
FieldExpression
FieldGenerator
FileMetadata
FileMetadata.LockState
FileMetadata.OpenState
FilesReservedKinds
GSFile
GenericScorer
GenericScorer.Result
HighRepJobPolicy
HttpPatch
ImagesReservedKinds
LocalAppIdentityService
LocalAppIdentityServiceTestConfig
LocalBasementServiceTestConfig
LocalBlobImageServlet
LocalBlobImageServlet.Image
LocalBlobImageServlet.ParsedUrl
LocalBlobstoreService
LocalBlobstoreServiceTestConfig
LocalCapabilitiesService
LocalCapabilitiesServiceTestConfig
LocalDatastoreCostAnalysis
LocalDatastoreService
LocalDatastoreService.AutoIdAllocationPolicy
LocalDatastoreServiceTestConfig
LocalDatastoreV3Service
LocalFileService
LocalFileServiceTestConfig
LocalImagesService
LocalImagesServiceTestConfig
LocalLogService
LocalLoginServlet
LocalLogoutServlet
LocalMailService
LocalMailServiceTestConfig
LocalMemcacheService
LocalMemcacheServiceTestConfig
LocalMemcacheServiceTestConfig.SizeUnit
LocalModulesServiceTestConfig
LocalOAuthAccessTokenServlet
LocalOAuthAuthorizeTokenServlet
LocalOAuthRequestTokenServlet
LocalRdbmsServiceTestConfig
LocalSearchService
LocalServiceTestConfig
LocalServiceTestHelper
LocalServiceTestHelper.RequestMillisTimer
LocalTaskQueue
LocalTaskQueueCallback
LocalTaskQueueTestConfig
LocalTaskQueueTestConfig.DeferredTaskCallback
LocalTaskQueueTestConfig.ServletInvokingTaskCallback
LocalTaskQueueTestConfig.TaskCountDownLatch
LocalURLFetchService
LocalURLFetchServiceTestConfig
LocalUserService
LocalUserServiceTestConfig
LoginCookieUtils
LoginCookieUtils.CookieData
LuceneUtils
MatchScorer
MatchScorer.Result
NumericDefaultExpression
ParsedFileName
QueueStateInfo
QueueStateInfo.HeaderWrapper
QueueStateInfo.TaskStateInfo
ReservedKinds
Scorer
Scorer.Result
Scorer.SearchResults
SearchException
ServeBlobFilter
ServeBlobFilter.ResponseWrapper
Session
SimpleScorer
SimpleScorer.Result
SnippetExpression
SnippetExpressionQueryParser
UploadBlobServlet
UrlFetchJob
WordSeparatorAnalyzer
WriteLatencyAdjuster
com.google.appengine.api.appidentity.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.blobstore.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.capabilities.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.datastore.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.files.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.images.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.log.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.mail.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.memcache.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.search.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.taskqueue.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.urlfetch.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.api.users.dev
Interfaces and Classes
Package Hierarchy
com.google.appengine.tools.development.testing
Interfaces and Classes
Package Hierarchy
API Help
Serialized Form
Appstats
Monitoring and Logging
Reading and Writing Logs
Downloading Logs
Monitoring and alerting latency
Understanding Performance with Cloud Profiler
Detecting Outages
Configuring Dashboards and Alerts
Integrating with Google Analytics
Accessing Instance Metadata
Configuring Warmup Requests
Developing Microservice Apps
Developer Environment
Contracts, Addressing, and APIs
Best Practices for Performance
Migrate an Existing App
Securing Your App
Overview of App Security
Access Control
Setting Up Access Control
Roles that Grant Access to App Engine
Using the Default Service Account
App Engine Standard Environment Service Agent
User-managed Service Accounts
App Engine Firewalls
Understanding Firewalls
Creating Firewalls
Accessing App Engine Audit Logs
Managing and Configuring Your App
Deploying Your App
Splitting Traffic
Migrating Traffic
Mapping Custom Domains
Securing Custom Domains with SSL
Managing App Resources
Storing Data
Understanding Data and File Storage
Using Cloud Firestore in Datastore Mode
Google Cloud SQL
Using Cloud SQL for MySQL
Using Cloud SQL for PostgreSQL
Using Cloud Storage
User Authentication
User Authentication Options
Authenticating Google Accounts
Caching data with Memorystore
Connecting to and from Your App
Communicating Between Your Services
Request Handling in App Engine
Request Routing in App Engine
Outbound Requests Overview
Issuing Outbound HTTP(S) Requests
VPC networks
Connecting to a VPC network
Connecting to a Shared VPC network
Overview
Shared VPC with connectors in service projects
Shared VPC with connectors in the host project
Outbound IP Addresses
Sending Messages with Third-Party Services
Scheduling Work Outside of User Requests
Scheduling Cron Jobs
Cloud Tasks REST API
Writing and Responding to Pub/Sub Messages
Automating Tasks with the Admin API
Using the Admin API
Overview
Getting Started
Accessing the API
Controlling Access
Creating App Engine Applications
Deploying Versions to Your App
Migrating and Splitting Traffic
REST and RPC API Reference
Trying Out the Admin API
Using Client Libraries
Migrating to gcloud CLI
Legacy Bundled Services
Overview
App Identity API
Blobstore
Cloud Datastore with App Engine APIs
Google Cloud Datastore Overview
Creating, Retrieving, Updating, and Deleting Entities
Entity Property Reference
Creating and Using Entity Keys
Retrieving Query Results
Configuring Datastore Indexes with index.yaml
Datastore API Overview
Entities, Properties, and Keys
Datastore Queries
Query Cursors
Query Data Consistency
Query Restrictions
Projection Queries
Datastore Indexes
Datastore Transactions
Structuring Data for Strong Consistency
Metadata
Datastore Statistics
Async Datastore API Overview
Datastore Callbacks
Images API
JDO for Cloud Datastore
Overview (JDO 2.3)
Overview (JDO 3.0)
Defining Data Classes with JDO
Creating, Getting, and Deleting Data in JDO
Entity Relationships in JDO
Queries in JDO
JPA for Cloud Datastore
Overview (JPA 1.0)
Overview (JPA 2.0)
Mail API
Mail API Overview
Bulk Mail Guidelines
Sending Mail
Receiving Mail
Receiving Bounce Notification
Mail with Headers or Attachments
Memcache
Memcache Overview
Using Memcache
Memcache Examples
Memcache Audit Logs
Modules API
Namespaces API
Namespaces API Overview
Multitenancy with Namespaces
Remote API
Remote API Overview
Remote API Javadoc
com.google.appengine.tools.remoteapi
Class Hierarchy
Constant Values
Deprecated List
Index
All
HostedClientLogin
LoginException
RemoteApiException
RemoteApiInstaller
RemoteApiOptions
com.google.appengine.tools.remoteapi
Interfaces and Classes
Package Hierarchy
API Help
Serialized Form
Search API
Documents and Indexes
Query Strings
Query and Sorting Options
Handling Search Results
Faceted Search
