Failed to execute queries to CUCM via AXL at same time (503 service unavailable)

mataxl — Wed, 15 May 2019 11:16:51 GMT

Hi all,

i have a problem with Call Manager version 11.5, when i try to execute a lot of simple select query at the same time through java code.

In the attachments you can see the error log that printed my application server.

I'm using java as client and the cxf to open the connection (if you need i can attach the code) and linux as os.

This errors happens sometimes, not always, only when i try to execute a lot of query at the same time in my application.

(As workaround i implemented some re-try to handle this error but is not the best idea honestly)

Can someone help me and give me any ideas please??

Thanks

Mattia

Re: Failed to execute queries to CUCM via AXL at same time (503 service unavailable)

dstaudt — Wed, 15 May 2019 18:02:37 GMT

503 seems to indicate AXL is applying a throttle due to a too-busy situation. This section in the developer guide may provide some insight: https://developer.cisco.com/docs/axl/#!axl-developer-guide/data-throttling-and-performance

Note the AXL API can be serving requests from other applications (including Cisco apps like IM&P), and throttling is globally. Even if your application is fairly lightweight, it is good to implement a sane 503/retry mechanism to handle transient situations.

topic Re: Failed to execute queries to CUCM via AXL at same time (503 service unavailable) in Management

Failed to execute queries to CUCM via AXL at same time (503 service unavailable)

Re: Failed to execute queries to CUCM via AXL at same time (503 service unavailable)