Failed to obtain client registration lock, cannot update potential client message seen after startup
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*Except Fisheye and Crucible
Summary
After first starting Confluence, a "Failed to obtain client registration lock, cannot update potential client" message is observed in atlassian-confluence.log
Environment
7.4.0
Diagnosis
The following will be seeing in atlassian-confluence.log:
020-06-26 17:25:45,124 INFO [Catalina-utility-1] [com.atlassian.confluence.lifecycle] init Confluence is ready to serve
2020-06-26 17:26:00,446 ERROR [http-nio-8090-exec-2] [mywork.host.rest.ExceptionLogger] toResponse Exception thrown from REST resource
-- url: /rest/mywork/1/client | traceId: f08081e11ef49611 | userName: anonymous
java.lang.IllegalStateException: Failed to obtain client registration lock, cannot update potential client 35b45543-5488-3a1f-xxxxxxxxx
at com.atlassian.mywork.host.service.ClientServiceImpl.updatePotentialClient(ClientServiceImpl.java:362)
at com.atlassian.mywork.host.service.ClientServiceImpl.updatePotentialClient(ClientServiceImpl.java:310)
at com.atlassian.mywork.host.rest.ClientResource.clientRegistration(ClientResource.java:50)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker$1.invoke(DispatchProviderHelper.java:192)
at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$1.intercept(DispatchProviderHelper.java:83)
at com.atlassian.plugins.rest.common.interceptor.impl.DefaultMethodInvocation.invoke(DefaultMethodInvocation.java:53)
at com.atlassian.plugins.rest.common.expand.interceptor.ExpandInterceptor.intercept(ExpandInterceptor.java:42)
at com.atlassian.plugins.rest.common.interceptor.impl.DefaultMethodInvocation.invoke(DefaultMethodInvocation.java:53)
at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper.invokeMethodWithInterceptors(DispatchProviderHelper.java:110)
at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker._dispatch(DispatchProviderHelper.java:190)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)Cause
If this message only shows up once after startup then it can be safely disregarded, the MyWork module (Notifications) has not fully stated yet when the message is logged. Once it fully initializes the message does not repeat.