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Apex REST API - Unable to set StatusCode to 429

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1

I am trying to set the status code to 429 for Too many request using the code below:

if(Limits.getQueries() < Limits.getLimitQueries())
 upsert UpdateData;
 
 else if((Limits.getQueries() >= Limits.getLimitQueries()))
 
 RestContext.response.statusCode = 429;
 UpdateError[] err = new UpdateError[] 
 new UpdateReturnError(UpdateData.Id, 'Too many Requests', 'Error updating MessageID ' + msg.MessageId)
 ;
 RestContext.response.responseBody = Blob.valueOf(JSON.serialize(err));
 RestContext.response.addHeader('Content-Type', 'application/json');
 break;
 
 }

I am getting the following error in the raw response:

Can someone help me out with this?

apex rest-api apexrest rest-service

share|improve this question

asked 8 hours ago

John MJohn M

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1

I am trying to set the status code to 429 for Too many request using the code below:

if(Limits.getQueries() < Limits.getLimitQueries())
 upsert UpdateData;
 
 else if((Limits.getQueries() >= Limits.getLimitQueries()))
 
 RestContext.response.statusCode = 429;
 UpdateError[] err = new UpdateError[] 
 new UpdateReturnError(UpdateData.Id, 'Too many Requests', 'Error updating MessageID ' + msg.MessageId)
 ;
 RestContext.response.responseBody = Blob.valueOf(JSON.serialize(err));
 RestContext.response.addHeader('Content-Type', 'application/json');
 break;
 
 }

I am getting the following error in the raw response:

Can someone help me out with this?

apex rest-api apexrest rest-service

share|improve this question

asked 8 hours ago

John MJohn M

1333 bronze badges

New contributor

John M is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I am trying to set the status code to 429 for Too many request using the code below:

if(Limits.getQueries() < Limits.getLimitQueries())
 upsert UpdateData;
 
 else if((Limits.getQueries() >= Limits.getLimitQueries()))
 
 RestContext.response.statusCode = 429;
 UpdateError[] err = new UpdateError[] 
 new UpdateReturnError(UpdateData.Id, 'Too many Requests', 'Error updating MessageID ' + msg.MessageId)
 ;
 RestContext.response.responseBody = Blob.valueOf(JSON.serialize(err));
 RestContext.response.addHeader('Content-Type', 'application/json');
 break;
 
 }

I am getting the following error in the raw response:

Can someone help me out with this?

apex rest-api apexrest rest-service

share|improve this question

asked 8 hours ago

John MJohn M

1333 bronze badges

New contributor

John M is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

if(Limits.getQueries() < Limits.getLimitQueries())
 upsert UpdateData;
 
 else if((Limits.getQueries() >= Limits.getLimitQueries()))
 
 RestContext.response.statusCode = 429;
 UpdateError[] err = new UpdateError[] 
 new UpdateReturnError(UpdateData.Id, 'Too many Requests', 'Error updating MessageID ' + msg.MessageId)
 ;
 RestContext.response.responseBody = Blob.valueOf(JSON.serialize(err));
 RestContext.response.addHeader('Content-Type', 'application/json');
 break;
 
 }

share|improve this question

asked 8 hours ago

John MJohn M

1333 bronze badges

New contributor

John M is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 8 hours ago

John MJohn M

1333 bronze badges

New contributor

John M is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 8 hours ago

John MJohn M

1333 bronze badges

New contributor

John M is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 8 hours ago

John MJohn M

1333 bronze badges

1 Answer
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6

429 Too Many Requests is not an appropriate status to return from Apex that is processing a REST request, and so presumably that's why the server prevents you from doing so. The relevent RFC indicates that this response is for rate-limiting, ie, the number of HTTP requests received from a single client in a given amount of time:

The 429 status code indicates that the user has sent too many
requests in a given amount of time ("rate limiting").

The response representations SHOULD include details explaining the
condition, and MAY include a Retry-After header indicating how long
to wait before making a new request.

Each REST request will be a separate Apex transaction, and the # of SOQL queries issued is a per-transaction limit. So exceeding that limit would never be because too many calls to your endpoint had come from a single client in a given period of time.

The documentation for the RestResponse class lists the acceptable values for the statusCode property, and 429 is not included.

This should probably be a 200 response, or perhaps a 500. You're successfully receiving and processing the HTTP request. It's just that the result of that request exceeded a limit, but that limit is at a layer much further down than the HTTP server.

share|improve this answer

edited 7 hours ago

answered 7 hours ago

Thomas TaylorThomas Taylor

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6

429 Too Many Requests is not an appropriate status to return from Apex that is processing a REST request, and so presumably that's why the server prevents you from doing so. The relevent RFC indicates that this response is for rate-limiting, ie, the number of HTTP requests received from a single client in a given amount of time:

The 429 status code indicates that the user has sent too many
requests in a given amount of time ("rate limiting").

The response representations SHOULD include details explaining the
condition, and MAY include a Retry-After header indicating how long
to wait before making a new request.

Each REST request will be a separate Apex transaction, and the # of SOQL queries issued is a per-transaction limit. So exceeding that limit would never be because too many calls to your endpoint had come from a single client in a given period of time.

The documentation for the RestResponse class lists the acceptable values for the statusCode property, and 429 is not included.

This should probably be a 200 response, or perhaps a 500. You're successfully receiving and processing the HTTP request. It's just that the result of that request exceeded a limit, but that limit is at a layer much further down than the HTTP server.

share|improve this answer

edited 7 hours ago

answered 7 hours ago

Thomas TaylorThomas Taylor

2,8731313 silver badges3333 bronze badges

add a comment | 

6

429 Too Many Requests is not an appropriate status to return from Apex that is processing a REST request, and so presumably that's why the server prevents you from doing so. The relevent RFC indicates that this response is for rate-limiting, ie, the number of HTTP requests received from a single client in a given amount of time:

The 429 status code indicates that the user has sent too many
requests in a given amount of time ("rate limiting").

The response representations SHOULD include details explaining the
condition, and MAY include a Retry-After header indicating how long
to wait before making a new request.

Each REST request will be a separate Apex transaction, and the # of SOQL queries issued is a per-transaction limit. So exceeding that limit would never be because too many calls to your endpoint had come from a single client in a given period of time.

The documentation for the RestResponse class lists the acceptable values for the statusCode property, and 429 is not included.

This should probably be a 200 response, or perhaps a 500. You're successfully receiving and processing the HTTP request. It's just that the result of that request exceeded a limit, but that limit is at a layer much further down than the HTTP server.

share|improve this answer

edited 7 hours ago

answered 7 hours ago

Thomas TaylorThomas Taylor

2,8731313 silver badges3333 bronze badges

add a comment | 

429 Too Many Requests is not an appropriate status to return from Apex that is processing a REST request, and so presumably that's why the server prevents you from doing so. The relevent RFC indicates that this response is for rate-limiting, ie, the number of HTTP requests received from a single client in a given amount of time:

The 429 status code indicates that the user has sent too many
requests in a given amount of time ("rate limiting").

The response representations SHOULD include details explaining the
condition, and MAY include a Retry-After header indicating how long
to wait before making a new request.

Each REST request will be a separate Apex transaction, and the # of SOQL queries issued is a per-transaction limit. So exceeding that limit would never be because too many calls to your endpoint had come from a single client in a given period of time.

The documentation for the RestResponse class lists the acceptable values for the statusCode property, and 429 is not included.

This should probably be a 200 response, or perhaps a 500. You're successfully receiving and processing the HTTP request. It's just that the result of that request exceeded a limit, but that limit is at a layer much further down than the HTTP server.

share|improve this answer

edited 7 hours ago

answered 7 hours ago

Thomas TaylorThomas Taylor

2,8731313 silver badges3333 bronze badges

share|improve this answer

edited 7 hours ago

answered 7 hours ago

Thomas TaylorThomas Taylor

2,8731313 silver badges3333 bronze badges

answered 7 hours ago

Thomas TaylorThomas Taylor

2,8731313 silver badges3333 bronze badges

answered 7 hours ago

Thomas TaylorThomas Taylor

2,8731313 silver badges3333 bronze badges