KB01854 - SRPClient Send Packet Pipe Full or Pipe Plugged

hdawg · #1 (**permalink**) 01-13-2009, 09:37 AM

KB01854 - SRPClient Send Packet Pipe Full or Pipe Plugged

Environment

BlackBerry® Enterprise Server

Overview

Some BlackBerry smartphone users associated with a BlackBerry Enterprise Server have reported experiencing the following issues:

Email messages are not received on the BlackBerry smartphone. The messages have a Pending status on the BlackBerry Enterprise Server.
BlackBerry smartphone users receive timeout errors when sending email messages from BlackBerry smartphones, even though the email messages have already been sent.

Additionally, the BlackBerry Enterprise Server debug log displays one of the following lines of code:

SRPClient::SendPacket: Pipe Full
[RELAY_SRP:[srp id]:reference number] Pipe_plugged

Cause

This issue can be caused by one of the following:

The TCP/IP connection to the Internet is not fast enough to handle the rate at which the BlackBerry Enterprise Server is trying to send data.
The BlackBerry Enterprise Server lost and re-established connection to the BlackBerry® Infrastructure. When the BlackBerry Enterprise Server re-establishes a connection to the BlackBerry Infrastructure, pending email messages are resubmitted to the BlackBerry Infrastructure. Depending on the number of pending email messages, this can cause a temporary pipe full message to occur in the BlackBerry Enterprise Server debug log files. Once the pending email messages have been re-submitted, the pipe full messages should stop. If a client's Server Routing Protocol (SRP) connection drops quite often, expect a lot of pipe full messages in the BlackBerry Enterprise Server debug log files. To check for SRP reconnections, search for the following string in the BlackBerry Dispatcher log:
[SRP] Connection established

Resolution

Complete the following steps to troubleshoot the Internet connection:

Confirm that there are no message delivery timeouts.
Verify that the connection is functioning.
Configure the connection to increase the amount of simultaneous data transfer.

Additional Information

This issue might also occur after the SRP connection has been disconnected for an extended period of time. When the connection is re-established, allow time for the queued data to be sent.

knottyrope · #2 (**permalink**) 01-13-2009, 10:46 AM

LOL, this happened to me recently.
But there was no issue on my side.
ISA reported very little activity during that time.
Exchange had little activity.
Our remote users did not report any issues with email.

Only I can think of is that between me and RIM there was a router/switch that was having an issue.

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