Spike Arrest policy deployment error troubleshooting

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InvalidAllowedRate

Error message

Deployment of the API proxy through either the Apigee UI or API fails with this error message:

Error Saving Revision [revision_number]
Invalid spike arrest rate [invalid_rate].

Example error messages

Error Saving Revision 1
Invalid spike arrest rate 30s.

Error Saving Revision 1
Invalid spike arrest rate 30.1ps.

Example screenshots

Invalid spike arrest rate 30s error message.

Invalid spike arrest rate 30.1ps error message.

Cause

If the spike arrest rate specified in the <Rate> element of the Spike Arrest Policy is not an integer or if the rate does not have ps or pm as a suffix, then the deployment of the API proxy fails.

The valid values are [int]ps and [int]pm.

For example, if the spike arrest rate specified is 30.1ps in the <Rate> element of a Spike Arrest Policy, then the deployment of the API proxy fails. This is because 30.1 is not an integer.

Diagnosis

Identify the invalid spike arrest rate specified in the Spike Arrest policy. You can find this information from the error message. For example, in the following error, the invalid spike arrest is 30.1:
```
Error Saving Revision 1
Invalid spike arrest rate 30.1ps.
```
Examine all the Spike Arrest policies in the specific API proxy where the failure has occurred. If there is any Spike Arrest policy in which the spike arrest specified in the <Rate> element matches the invalid spike arrest rate identified in Step #1 above, then that's the cause of the error.

For example, the following policy specifies the value of <Rate> as 30.1ps, which matches what's in the error message:
```
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<SpikeArrest async="false" continueOnError="false" enabled="true" name="CheckRate">
    <DisplayName>CheckRate</DisplayName>
    <Properties/>
    <Identifier ref="request.header.some-header-name"/>
    <MessageWeight ref="request.header.weight"/>
    <Rate>30.1ps</Rate>
</SpikeArrest>
```
Since the spike arrest rate specified in the <Rate> element is not an integer, the deployment of the API Proxy fails with the error:
```
Invalid spike arrest rate 30.1ps.
```

Resolution

Ensure that the value of the spike arrest rate specified in the <Rate> element of the Spike Arrest Policy is an integer and has ps or pm as a suffix. For example:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<SpikeArrest async="false" continueOnError="false" enabled="true" name="CheckRate">
    <DisplayName>CheckRate</DisplayName>
    <Properties/>
    <Identifier ref="request.header.some-header-name"/>
    <MessageWeight ref="request.header.weight"/>
    <Rate>30ps</Rate>
</SpikeArrest>