エラーメッセージ「AH01762: Failed to create shared memory segment on file $EWS_HOME/httpd/run/authdigest_shm.11230」が表示される

Solution Unverified - Updated -

Issue

  • 複数の httpd インスタンスを開始すると、一部のインスタンスで以下のようなエラーメッセージが表示されます。
(17)File exists: AH01762: Failed to create shared memory segment on file $EWS_HOME/httpd/run/authdigest_shm.11230
[auth_digest:error] [pid 11230:tid 139671784441824] (17)File exists: AH01760: failed to initialize shm - all nonce-count checking, one-time nonces, and MD5-sess algorithm disabled
[:emerg] [pid 11230:tid 139671784441824] AH00020: Configuration Failed, exiting

Environment

  • JBoss Enterprise Web Server (JWS) 3.x
  • JBoss Core Services (JBCS) httpd 2.4.6
  • Apache httpd 2.4.x
    • mod_auth_digest

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