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Updating GAE cron.xml with maven for an application with Java modules

I have a gae application which is written in java and split into two different modules. One of these modules has a cron.xml that was installed during the initial deployment. The cron tasks are working fine and performing as expected.

Now my problem is that when I redistribute my application using maven (> mvm appengine: update), if I make changes to the cron.xml, those changes will not show up on the server when deployed. I. This is using the old cron.xml.

If I try to update the cron.xml manually (mvn appengine: cron_update), I get an error:

Bad argument: The requested action does not support EAR configurations

Basically my question is, how do I update the cron.xml?

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2 answers


Try running mvn appengine: cron_update after changing your appengine-maven-plugin from

    <plugin>
        <groupId>com.google.cloud.tools</groupId>
        <artifactId>appengine-maven-plugin</artifactId>
        <version>1.3.2</version>
    </plugin>

taken from appengine-maven-plugin git

into this link from Description of Apache-Maven and Appengine



    <plugin>
       <groupId>com.google.appengine</groupId>
       <artifactId>appengine-maven-plugin</artifactId>
       <version>1.9.63</version>
    </plugin>

Oh and you may also need to describe your application and version on appengine-web.xml as per this explanation using these tags

    <application>_your_app_id_</application><!-- unused for Cloud SDK based tooling -->
    <version>alpha-001</version><!-- unused for Cloud SDK based tooling -->

Good luck!

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Run a command mvn appengine:cron_update

( not update_cron as the previous responder suggested) in the folder where yours is pom.xml

.

Here is the relevant section of mine pom.xml

:

<build>
<outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
<plugins>
  <plugin>
    <groupId>com.google.appengine</groupId>
    <artifactId>appengine-maven-plugin</artifactId>
    <version>1.9.63</version>
    <configuration>
      <appId>{PUT YOUR APP ID HERE}</appId>
      <version>{PUT YOUR APP VERSION HERE}</version>
    </configuration>
  </plugin>


And this is what mine looks like cron.xml

:

<?xml version="1.0" encoding="UTF-8"?>
<cronentries>
    <cron>
        <url>/hello</url>
        <description>test cron</description>
        <schedule>every 6 hours</schedule>
    </cron>
</cronentries>
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