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Support Article

Issue in Connect-SOAP execution



The user is seeing the exception below related to execution of services.

Error Messages

Caused by: com.pega.apache.commons.httpclient.ConnectionPoolTimeoutException: Timeout waiting for connection
at com.pega.apache.commons.httpclient.MultiThreadedHttpConnectionManager.doGetConnection(
at com.pega.apache.commons.httpclient.MultiThreadedHttpConnectionManager.getConnectionWithTimeout(
at com.pega.apache.commons.httpclient.HttpMethodDirector.executeMethod(

Steps to Reproduce

Not Applicable

Root Cause

A defect or configuration issue in the operating environment. This may be due to too many connections/objects in the axis2 cache.


Make the following change to the operating environment: 

Tune the Dyanmic System Settings based on the system load:

Pega-IntegrationEngine Axis2_Max_Connections 200 (default is 1000)

Pega-IntegrationEngine Axis2_Max_HostConnections 20 (default is 100)

Published October 16, 2016 - Updated October 8, 2020

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