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Webgate for Apache 2.4 on Windows 2012 R2 Cannot Contact Access Server in SIMPLE Mode (Doc ID 2174483.1)

Last updated on JANUARY 31, 2019

Applies to:

Oracle Access Manager - Version and later
Information in this document applies to any platform.

Symptoms Webgate for Apache 2.4 was installed on a Windows 2012 R2 server (with KB2919355 update). The webgate was registered with OAM and configured in SIMPLE mode. 

When trying to access a protected resource the browser showed 500 Internal Server Error message and in oblog.log we could see:

 ACCESS_GATE FATAL 0x00001520 ..\src\apache2entry_web_gate.cpp:743 "Exception thrown during WebGate initialization"
 ACCESS_GATE FATAL 0x0000182C ..\src\apache2entry_web_gate.cpp:744 "The AccessGate is unable to contact any Access Servers." raw_code^301
 CONN_MGMT ERROR 0x00001C08 ..\src\watcher_thread.cpp:119 "NAP initialization failed"


 The Webgate was working fine if switched to OPEN security mode but not in SIMPLE mode. Uninstalling update KB2919355 did not make any difference.


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