Oops, that was the python link.  Java link is
http://code.google.com/appengine/docs/java/datastore/transactions.html#What_Can_Be_Done_In_a_Transaction

On Mon, Mar 8, 2010 at 10:02 AM, Max Ross (Google) <
maxr+appeng...@google.com <maxr%2bappeng...@google.com>> wrote:

> Yes, the limit is 5:
>
> http://code.google.com/appengine/docs/python/datastore/transactions.html#What_Can_Be_Done_In_a_Transaction
>
>
> On Mon, Mar 8, 2010 at 4:10 AM, JD <liva...@gmail.com> wrote:
>
>> I am enqueuing tasks within a transaction.
>>
>>
>> tx.begin()
>>
>> for (int i=0;i<10;i++) {
>>  Queue queue = QueueFactory.getDefaultQueue();
>>  TaskOptions task = url("/taskurl");
>>  task.param("param", "value");
>>  queue.add(task);
>> }
>> tx.commit();
>>
>>
>> I constantly get TransactionalTaskException when enqueuing task number
>> #6  (everything until number 5 goes through without issues).
>>
>> Is there a limit on the number of tasks which can be enqueued within a
>> transaction ?
>>
>>
>> com.google.appengine.api.labs.taskqueue.TransactionalTaskException
>>        at
>>
>> com.google.appengine.api.labs.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java:
>> 50)
>>        at
>>
>> com.google.appengine.api.labs.taskqueue.QueueApiHelper.makeSyncCall(QueueApiHelper.java:
>> 32)
>>        at
>> com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java:
>> 241)
>>        at
>> com.google.appengine.api.labs.taskqueue.QueueImpl.add(QueueImpl.java:
>> 231)
>>
>> Caused by: java.lang.IllegalArgumentException:
>>        at
>>
>> com.google.appengine.api.datastore.DatastoreApiHelper.translateError(DatastoreApiHelper.java:
>> 33)
>>        at
>>
>> com.google.appengine.api.labs.taskqueue.QueueApiHelper.translateError(QueueApiHelper.java:
>> 51)
>>        ... 51 more
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Google App Engine for Java" group.
>> To post to this group, send email to
>> google-appengine-j...@googlegroups.com.
>> To unsubscribe from this group, send email to
>> google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com>
>> .
>> For more options, visit this group at
>> http://groups.google.com/group/google-appengine-java?hl=en.
>>
>>
>

-- 
You received this message because you are subscribed to the Google Groups 
"Google App Engine for Java" group.
To post to this group, send email to google-appengine-j...@googlegroups.com.
To unsubscribe from this group, send email to 
google-appengine-java+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/google-appengine-java?hl=en.

Reply via email to