MFT Servers Goes To Warning State Frequently With Stuck LDAP Thread
(Doc ID 2246822.1)
Last updated on AUGUST 12, 2024
Applies to:
Oracle Managed File Transfer - Version 12.2.1.1.0 and laterInformation in this document applies to any platform.
Goal
It was noticed Managed Servers and Admin Servers going to warning state and restoring back to normal Health. This was occurring sporadically and frequently (in an interval of 30 minutes).
While verifying thread dump, stuck threads were observed in following stack:
"[STUCK] ExecuteThread: '84' for queue: 'weblogic.kernel.Default (self-tuning)'" Id=222 WAITING on netscape.ldap.LDAPSearchListener@708ab362
at java.lang.Object.wait(Native Method)
- waiting on netscape.ldap.LDAPSearchListener@708ab362
at java.lang.Object.wait(Object.java:502)
at netscape.ldap.LDAPMessageQueue.waitForMessage(Unknown Source)
at netscape.ldap.LDAPMessageQueue.waitFirstMessage(Unknown Source)
at netscape.ldap.LDAPConnection.sendRequest(Unknown Source)
- locked netscape.ldap.LDAPConnection@470042a8
at netscape.ldap.LDAPConnection.search(Unknown Source)
at weblogic.security.providers.authentication.LDAPAtnDelegate.getDNForUser(LDAPAtnDelegate.java:4028)
at weblogic.security.providers.authentication.LDAPAtnDelegate.authenticate(LDAPAtnDelegate.java:3836)
at weblogic.security.providers.authentication.LDAPAtnLoginModuleImpl.login(LDAPAtnLoginModuleImpl.java:339)
at com.bea.common.security.internal.service.LoginModuleWrapper$1.run(LoginModuleWrapper.java:117)
at java.security.AccessController.doPrivileged(Native Method)
at com.bea.common.security.internal.service.LoginModuleWrapper.login(LoginModuleWrapper.java:114)
at sun.reflect.GeneratedMethodAccessor558.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
...
"[STANDBY] ExecuteThread: '83' for queue: 'weblogic.kernel.Default (self-tuning)'" Id=221 WAITING on weblogic.work.ExecuteThread@42d509a2
at java.lang.Object.wait(Native Method)
- waiting on weblogic.work.ExecuteThread@42d509a2
at java.lang.Object.wait(Object.java:502)
at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:314)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:365)
"[STANDBY] ExecuteThread: '82' for queue: 'weblogic.kernel.Default (self-tuning)'" Id=220 WAITING on weblogic.work.ExecuteThread@1f242672
at java.lang.Object.wait(Native Method)
- waiting on weblogic.work.ExecuteThread@1f242672
at java.lang.Object.wait(Object.java:502)
at weblogic.work.ExecuteThread.waitForRequest(ExecuteThread.java:314)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:365)
Solution
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In this Document
Goal |
Solution |