[cas-user] CAS 5.3.2 ConcurrentModificationException when creating TGT

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Chris Luczkow

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Jan 28, 2020, 10:07:26 AM1/28/20
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Hi -

We're seeing this intermittent exception when running under heavy load:

java.util.ConcurrentModificationException: null
at java.util.ArrayList.sort(ArrayList.java:1464) ~[?:1.8.0_201]
at java.util.Collections.sort(Collections.java:175) ~[?:1.8.0_201]
at org.springframework.core.OrderComparator.sort(OrderComparator.java:167) ~[spring-core-4.3.18.RELEASE.jar:4.3.18.RELEASE]
at org.apereo.cas.rest.factory.ChainingRestHttpRequestCredentialFactory.fromRequestBody(ChainingRestHttpRequestCredentialFactory.java:41) ~[cas-server-core-rest-5.3.2.jar:5.3.2]
at org.apereo.cas.support.rest.resources.TicketGrantingTicketResource.createTicketGrantingTicketForRequest(TicketGrantingTicketResource.java:114) ~[cas-server-support-rest-5.3.2.jar:5.3.2]
at org.apereo.cas.support.rest.resources.TicketGrantingTicketResource.createTicketGrantingTicket(TicketGrantingTicketResource.java:66) ~[cas-server-support-rest-5.3.2.jar:5.3.2]

Wondering if this is a known issue or how to troubleshoot further.

Thanks
Chris

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Kartik Mehta

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Oct 5, 2021, 5:23:41 AMOct 5
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Hi Chris,
We are facing the same problem with CAS 6.3.3. Did you find a solution for this ?

thanks and regards,
Kartik
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