Appscale cannot read queue.xml?

[xybrek]

Our GAE application uses a lof of queue, and we have added custom queue, originally the default it this:

<queue-entries>

    <queue>

        <name>default</name>

        <rate>5/s</rate>

    </queue>

</queue-entries>

In our case, we added more <queue> entires

You can add more queue as needed here, but it seems Appscale is unable to pick up the added entries since we are getting this error:

Mar 26 18:09:48 appscale-image0 #011at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

Mar 26 18:09:48 appscale-image0 Caused by: java.lang.IllegalStateException: The specified queue is unknown : null

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java:104)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.taskqueue.QueueImpl$2.wrap(QueueImpl.java:547)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.taskqueue.QueueImpl$2.wrap(QueueImpl.java:519)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.utils.FutureWrapper.wrapAndCache(FutureWrapper.java:53)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:86)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.taskqueue.QueueApiHelper.getInternal(QueueApiHelper.java:72)

Mar 26 18:09:48 appscale-image0 #011at com.google.appengine.api.taskqueue.QueueImpl.add(QueueImpl.java:411)

Note that our application is working with GAE and we have not modified anything in the Java codes that we have that we deployed in Appscale, so I think this is a bug or missing feature? 

[Chris Donati]

What does the structure of the war you are deploying look like? For example, I just tested a war directory with the queue.xml in the war/WEB-INF directory. The appscale-tools should detect this file and run an update_queues call after the deploy operation.

$ appscale deploy /path/to/war
...

Your app can be reached at the following URL: ...

Updating queues

You can confirm that the custom queues are configured with

$ echo "get /appscale/projects/hawkeyejava/queues" | /usr/share/zookeeper/bin/zkCli.sh
Connecting to localhost:2181
Welcome to ZooKeeper!
...
{"queue": {"hawkeyejava-PullQueue-0": {"mode": "pull"}, "default": {"rate": "5/s", "mode": "push"}, "queue-for-module-a": {"rate": "50/s", "target": "module-a"}...

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[Xybrek Zybrek]

Is there a command in appscale-tools to force update the queue? 

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[Chris Donati]

Not yet, but you could redeploy the war directory.