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WebCenter Content/UCM Socket SSL Connection Does Not Support Keepalive Connections (Doc ID 1513753.1)

Last updated on JULY 28, 2023

Applies to:

Oracle WebCenter Portal - Version and later
Information in this document applies to any platform.


The following error is logged many times in the WebCenter Content (WCC) logs:

<Error> <oracle.ucm.idccs> <UCM-CS-000001> <general exception
intradoc.common.ServiceException: !csUnableToCheckOut,UCM_CLUSTER1-003147!csRevIsCheckedOut,<USERNAME>
    at intradoc.server.ServiceRequestImplementor.buildServiceException(
    at intradoc.server.Service.buildServiceException(
    at intradoc.server.Service.createServiceExceptionEx(
    at intradoc.server.DocServiceHandler.canCheckout(
    at intradoc.server.DocServiceHandler.checkDocRules(
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(
    at java.lang.reflect.Method.invoke(
   ...... Stream in error
    at Stream in error
    at Stream in error

The RIDC connection uses SSL Socket connection with Keepalive enabled:
WCC Configuration shows the following:

Incoming Provider:

Provider Name: SystemServerSocketSSL
Provider Class: idc.provider.ssl.SSLSocketIncomingProvider
Connection Class: idc.provider.KeepaliveSocketIncomingConnection
Server Thread Class: idc.server.KeepaliveIdcServerThread
Server Port: <PORT>
Request Client Authentication: Checked
Require Client Authentication: Checked

WebCenter UCM COnnection Details:

Content Admin: sysman
Root Folder: /Webcenter
Application Name: <MY_APPLICATION>
RIDC Socket Type: Socket SSL
Server Host: <MY_WCC_CLUSTER_LB>
Server Port: <PORT>
Connection Timeout: 30000
Authentication Method: Identity Propagation
Web Server Context Root: /cs
Admin User Name: sysadmin

Key Store Location: <MY_CUSTOM_KEYSTORE>
Private Key Alias: <WC_SPACES_ALIAS>

Steps to Reproduce:

  1. Set up SSL for the RIDC Socket connection between Spaces and UCM as explained in the documentation:
    Oracle® Fusion Middleware Administrator's Guide for Oracle WebCenter Portal11g Release 1 (
    33.7 Securing the Spaces Connection to Content Server with SSL


    Oracle® Fusion Middleware Administrator's Guide for Oracle WebCenter 11g Release 1 (11.1.1) Configuring Secure Sockets Layer (SSL)
  2. Notice the exception in the UCM logs when you navigate in Spaces.





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