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26 votes
Accepted

Too many callouts: 1 in Salesforce Batch

For the first line of your class, use this: global class ClassName implements Database.Batchable, Schedulable, Database.AllowsCallouts {
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  • 5,598
24 votes
Accepted

How to test a scheduler which runs a batch?

I had a similar problem before which I solved by explicitly calling the execute method of my Schedulable class. Try something like this: Test.startTest(); AccountBatchScheduler abs= new ...
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  • 5,213
22 votes

How can I query the class which the schedule job will call

Ok, found what I was looking for select ApexClassId, Id, JobItemsProcessed, JobType, Status, NumberOfErrors, MethodName from AsyncApexJob where JobType in ('BatchApexWorker','ScheduledApex'...
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  • 2,082
15 votes
Accepted

Does Test.stopTest() ensure a System.Schedule/Database.Batchable completes in a test?

Here's the problem from the docs: When testing your batch Apex, you can test only one execution of the execute method. You can use the scope parameter of the executeBatch method to limit the number ...
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  • 366
15 votes

How to test a scheduler which runs a batch?

Thanks for posting the question, this is a weird one. As the Salesforce documention says, Test.stopTest() should force asynchronous processes to run. It works for Apex Batch on its own, and it works ...
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  • 1,080
14 votes
Accepted

CRON to schedule batch class to run everyday at 10PM

For daily 10 PM 0 0 22 * * ? * first 0 for seconds second 0 for min third 22 for hours i.e. 10 PM you can use http://www.cronmaker.com/ for generating cron expression for more detail check ...
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13 votes
Accepted

Find Apex batch status programmatically

You can check the AsyncApexJob.Status using the JobId from the Database.BatchableContext. E.g. global void finish(Database.batchablecontext bc) { // Check batch status - IF COMPLETED then ...
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13 votes
Accepted

System.LimitException: Too many queueable jobs added to the queue

As you are chaining the jobs you have limit of 1 on child jobs. When chaining jobs, you can add only one job from an executing job with System.enqueueJob, which means that only one child job can exist ...
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12 votes
Accepted

Apex Batch - Is execute method called if start returns 0 results?

No. Execute will not be called unless at least one non-null item is available for processing. You'll have to come up with an alternative method. As a corollary to this statement, "scope" will never be ...
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  • 430k
10 votes

CRON to schedule batch class to run everyday at 10PM

Adding an answer because I always end up here and then have to look through the docs to remember the syntax: Cron Format: second minute hour day_of_month month day_of_week optional_year Format ...
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  • 9,446
8 votes

Too many callouts: 1 in Salesforce Batch

You have to implement Database.AllowsCallouts
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  • 337
8 votes
Accepted

Can a class implementing Database.Batchable also implement Schedulable and schedule itself to run?

Yes. In general, you can combine as many interfaces as you want within a single class, so long as they are all compatible. Using the scheduable and batchable interface within the same class just means ...
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  • 430k
8 votes
Accepted

Scheduling a Batch job at a particular time

You need to transform your datetime to the schedule format. More info here Example String day = string.valueOf(system.now().day()); String month = string.valueOf(system.now().month()); String hour =...
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  • 5,478
8 votes

Ghost processes / batch processes (NA34 and NA39)

Not sure this is worthy of an answer, but too much to put as a comment. The only time I have seen anything remotely similar was with this and I was able to prove to support that a job had run and ...
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8 votes
Accepted

Ghost processes / batch processes (NA34 and NA39)

Seems I got some attention after submitting a case or this post or whatever, just got this notification: A bit late but at least I know the cause On March 16, 2017, Salesforce identified a ...
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  • 53.1k
8 votes
Accepted

Scheduled Apex with one-time execution not being executed

FURTHER UPDATE: It seems that, whilst there is some sympathy from within Salesforce, the Salesforce PM and R&D team responsible believe this is a "feature enhancement", not the reporting ...
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  • 26.7k
8 votes
Accepted

executeBatch method returning invalid id 000000000000000

This error seems to occur when a batch job is moved to the flex queue. When it enters the flex queue, it tries to acquire a flex queue token. If it fails to receive the token, this error is thrown and ...
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  • 2,471
7 votes
Accepted

How to re schedule a batch if already 5 apex batch jobs are running

I use this pattern, i've seen lots of others but all do something similar: private static Integer getCurrentJobCount() { return (Integer)[Select count() From AsyncApexJob Where JobType = '...
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7 votes
Accepted

Scheduling Batch class

You can do that with the following cron string. apexScheduledJob myJob = new apexScheduledJob (); String sch = '0 0 0,2,4,6,8,10,12,14,16,18,20,22 ? * *'; System.schedule('My Job', sch, myJob); ...
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7 votes
Accepted

Cron Schedule Mondays 6AM

Add the Schedulable interface, then you can schedule the class in the Setup screen or by writing some execute anonymous code: public class BatchCount implements Database.Batchable<SObject>, ...
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  • 430k
7 votes
Accepted

Testing a batch job which is scheduled through Handler class

It's not going to run the batch. You should test the batch actions separately. In this case, you just need to query for the CronTrigger and verify that it did, indeed, get scheduled. static ...
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  • 142k
7 votes
Accepted

Scheduling a batch process using UI- Which timezone does it schedule on?

The apex developer guide shows that scheduled jobs follow users time zone The System.Schedule method uses the user's timezone for the basis of all schedules. The easisest way would be to use a ...
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7 votes
Accepted

Delete Old Scheduled Jobs from Batch Class

To clean up the list, you can purge the old jobs: global void finish(Database.BatchableContext BC) System.purgeOldAsyncJobs(Date.today()); You should only be calling System.abortJob to cancel jobs ...
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  • 430k
6 votes

how to write test class for batch class?

I think you need to read below link it helps you http://www.salesforce.com/us/developer/docs/apex_workbook/Content/apex_batch_2.htm
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  • 1,905
6 votes
Accepted

How to overcome the 2000 row limit for analytic snapshot entry?

I had to build opportunity snapshots for a client whose typical monthly data load was around 6500 records. I created a formula field that took the opportunity number (a serial number) and then ...
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  • 96
6 votes

How to test a scheduler which runs a batch?

It's not going to run the batch. Since you have already tested the batch actions separately, you just need to query for the CronTrigger and verify it got scheduled. That's all that Test.stopTest() ...
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  • 142k
6 votes
Accepted

Too many DML rows: 10000

That limit is for the entire transaction. So if you have one DML Operation with 10,000 rows, you cannot perform any other operations in that transaction. In your first example: Database.insert(...
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  • 142k
6 votes
Accepted

Schedule deployment change set

You can use the Force.com Migration Tool (ant) and write a small script to do this. The steps would be: ant retrieve from the source org ant deploy to the target org You would need somewhere to run ...
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  • 1,271
6 votes

batch class is failing due to time while processing SOQL due to timeout error

There are a number of things you can do to improve the performance of your SOQL query. The most effective will be to understand how to diagnose it yourself, because how to solve your issue depends on ...
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  • 5,459
6 votes

Scheduling a Batch job at a particular time

I usually include a few helper methods in any Schedulable class that needs to run at a given time as determined by Apex logic that's more complex than a simple cron expression. You can then call ...
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  • 3,289

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