Oracle iPlanet Web Server Fronting WebLogic Server 10.3 Connections Fail Intermittently: HALF_OPEN_SOCKET_RETRY and WRITE_ERROR_TO_SERVER Errors in Proxy Logs
(Doc ID 1497317.1)
Last updated on OCTOBER 18, 2018
Applies to:Oracle Weblogic Server - Version 10.3 and later
Information in this document applies to any platform.
In iPlanet proxy logs multiple occurances of HALF_OPEN_SOCKET_RETRY exception, WRITE_ERROR_TO_SERVER exceptions and READ_ERROR_FROM_SERVER were observed while using iPlanet as the front end server with WebLogic Plugin 1.0 and backend as WebLogic 10.3
Thu Aug 2 14:46:55 2012 <2214913439332152499747> got HALF_OPEN_SOCKET_RETRY exception in sendRequest phase at line 1366; Msg: HALF_OPEN_SOCKET_RETRY: [os error=0, line 860 of URL.cpp]: Unexpected EOF reading HTTP status - request retry
The following errors can also occur:
Wed Aug 8 11:48:23 2012 <107031344440903338902> failure on sendRequest() w/ recycled connection to 127.x.x.x:8003, numfailures=1
Wed Aug 8 11:48:23 2012 <107031344440903338902> Marking 127.x.x.x:8xxx as bad
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