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Showing content from http://cloud.google.com/appengine/docs/legacy/standard/java/sdk-gcloud-migration below:

Migrating to gcloud CLI | App Engine standard environment for Java 8

Migrating to gcloud CLI

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The standalone App Engine SDK was deprecated as of July 30, 2019, and it is now shut down. The following table lists features and their recommended alternatives:

July 30, 2019: The standalone App Engine SDK-based tooling is deprecated.

August 30, 2020: The standalone App Engine SDK is not available for download and might not work, if used.

August 30, 2020: Google shut down and removed support for the standalone App Engine SDK.

Backward non-compatible features

As a result of the shutdown of the appcfg tool and the standalone App Engine SDK, the following features are currently not supported in gcloud CLI:

Migrating XML to YAML file formats

gcloud CLI does not support the following file formats:

The following examples demonstrate how to migrate your xml files to yaml files.

Migrating your files automatically

Beta

This feature is subject to the "Pre-GA Offerings Terms" in the General Service Terms section of the Service Specific Terms. Pre-GA features are available "as is" and might have limited support. For more information, see the launch stage descriptions.

To migrate your xml files automatically:

  1. You must have gcloud CLI version 226.0.0 or later. To update to the latest version:

    gcloud components update
    
  2. For each file you'd like to migrate, specify one of the following subcommands (cron-xml-to-yaml, datastore-indexes-xml-to-yaml, dispatch-xml-to-yaml, queue-xml-to-yaml) and file name:

    gcloud beta app migrate-config queue-xml-to-yaml MY-QUEUE-XML-FILE.xml
    
  3. Manually double-check the converted file before deploying to production.

    For a successful sample xml to yaml file conversion, see the Migrating your files manually tabs.

Migrating your files manually

To manually migrate your xml files to yaml files:

cron.yaml

Create a cron.yaml file with a cron object containing a list of objects, each with fields that correspond to each of the <cron> tag attributes in your cron.xml file, as shown below.

Converted cron.yaml file:

cron:
- url: '/recache'
  schedule: 'every 2 minutes'
  description: 'Repopulate the cache every 2 minutes'
- url: '/weeklyreport'
  schedule: 'every monday 08:30'
  target: 'version-2'
  timezone: 'America/New_York'
  description: 'Mail out a weekly report'

Original cron.xml file:

<?xml version="1.0" encoding="UTF-8"?>
<cronentries>
  <cron>
    <url>/recache</url>
    <description>Repopulate the cache every 2 minutes</description>
    <schedule>every 2 minutes</schedule>
  </cron>
  <cron>
    <url>/weeklyreport</url>
    <description>Mail out a weekly report</description>
    <schedule>every monday 08:30</schedule>
    <timezone>America/New_York</timezone>
    <target>version-2</target>
  </cron>
</cronentries>

For more information, see the cron.yaml reference documentation.

dispatch.yaml

Create a dispatch.yaml file with a dispatch object containing a list of objects, each with fields that correspond to each of the <dispatch> tag attributes in your dispatch.xml file, as shown below.

Converted dispatch.yaml file:

dispatch:
- url: '*/favicon.ico'
  module: default
- url: 'simple-sample.uc.r.appspot.com/'
  module: default
- url: '*/mobile/*'
  module: mobile-frontend

Original dispatch.xml file

<?xml version="1.0" encoding="UTF-8"?>
<dispatch-entries>
  <dispatch>
      <url>*/favicon.ico</url>
      <module>default</module>
  </dispatch>
  <dispatch>
      <url>simple-sample.uc.r.appspot.com/</url>
      <module>default</module>
  </dispatch>
  <dispatch>
      <url>*/mobile/*</url>
      <module>mobile-frontend</module>
  </dispatch>
</dispatch-entries>

For more information, see the dispatch.yaml reference documentation

index.yaml

Create an index.yaml file with an indexes object containing a list of objects, each with fields that correspond to each of the <datastore-index> tag attributes in your datastore-indexes.xml file, as shown below.

Converted index.yaml file:

indexes:
- ancestor: false
  kind: Employee
  properties:
  - direction: asc
    name: lastName
  - direction: desc
    name: hireDate
- ancestor: false
  kind: Project
  properties:
  - direction: asc
    name: dueDate
  - direction: desc
    name: cost

Original datastore-index.xml file:

<?xml version="1.0" encoding="utf-8"?>
<datastore-indexes
 autoGenerate="true">
   <datastore-index kind="Employee" ancestor="false">
       <property name="lastName" direction="asc" />
       <property name="hireDate" direction="desc" />
   </datastore-index>
   <datastore-index kind="Project" ancestor="false">
       <property name="dueDate" direction="asc" />
       <property name="cost" direction="desc" />
   </datastore-index>
</datastore-indexes>

For more information, see the index.yaml reference documentation.

queue.yaml

Create a queue.yaml file with a queue object containing a list of objects, each with fields that correspond to each of the <queue> tag attributes in your queue.xml file, as shown below.

Converted queue.yaml file:

queue:
- name: fooqueue
  mode: push
  rate: 1/s
  retry_parameters:
    task_retry_limit: 7
    task_age_limit: 2d
- name: barqueue
  mode: push
  rate: 1/s
  retry_parameters:
    min_backoff_seconds: 10
    max_backoff_seconds: 200
    max_doublings: 0

Original queue.xml file:

<queue-entries>
  <queue>
    <name>fooqueue</name>
    <rate>1/s</rate>
    <retry-parameters>
      <task-retry-limit>7</task-retry-limit>
      <task-age-limit>2d</task-age-limit>
    </retry-parameters>
  </queue>
  <queue>
    <name>barqueue</name>
    <rate>1/s</rate>
    <retry-parameters>
      <min-backoff-seconds>10</min-backoff-seconds>
      <max-backoff-seconds>200</max-backoff-seconds>
      <max-doublings>0</max-doublings>
    </retry-parameters>
  </queue>
<queue-entries>
Caution: Queue creation for the task queue service can also be managed using Queue Management methods available through the Cloud Tasks API, but mixing the queue.yaml method with the Queue Management methods can produce unexpected results and is not recommended. For more information, see Using Queue Management versus queue.yaml.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-06-12 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-12 UTC."],[[["The standalone App Engine SDK was deprecated on July 30, 2019, and completely shut down by August 30, 2020, requiring users to migrate to the Google Cloud CLI."],["`appcfg` and `dev_appserver.sh` commands are no longer supported; instead, users should utilize the `gcloud` command-line interface and the `java_dev_appserver.sh` command, respectively, for local development."],["Legacy App Engine SDK-based Maven and Gradle plugins need to be replaced with the gcloud CLI-based plugins for continued support."],["The `cron.xml`, `datastore-index.xml`, `dispatch.xml`, and `queue.xml` file formats are deprecated and should be migrated to their respective `yaml` equivalents, either automatically with the `gcloud beta app migrate-config` tool or manually by restructuring the files."],["As of the shutdown, downloading applications files via `appcfg` is no longer supported by the gcloud CLI."]]],[]]


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