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Posted to dev@tomcat.apache.org by bu...@apache.org on 2021/06/28 14:53:40 UTC
[Bug 65404] New: after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat
Manager Status page is unstable
https://bz.apache.org/bugzilla/show_bug.cgi?id=65404
Bug ID: 65404
Summary: after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat
Manager Status page is unstable
Product: Tomcat 8
Version: 8.5.66
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Manager
Assignee: dev@tomcat.apache.org
Reporter: jordan@ze.com
Target Milestone: ----
Unfortunately we use an APM that relies on the Tomcat Manager Status page.
This was working fine with Tomcat 8.5.57
Since upgrading to Tomcat 8.5.66 the Status page has become unstable.
After some time (could be a couple hours, could be days) it will eventually
start missing the info at the bottom of the page and an error will be logged:
22-Jun-2021 13:34:26.736 SEVERE [http-nio-8080-exec-7]
org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for
servlet [Status] in context with path [/manager] threw exception
[javax.management.AttributeNotFoundException: Cannot find attribute maxTime for
BaseModelMbean[null]] with root cause
javax.management.AttributeNotFoundException: Cannot find attribute
maxTime for BaseModelMbean[null]
at
org.apache.tomcat.util.modeler.ManagedBean.getGetter(ManagedBean.java:435)
at
org.apache.tomcat.util.modeler.BaseModelMBean.getAttribute(BaseModelMBean.java:166)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:647)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678)
at
org.apache.catalina.manager.StatusTransformer.writeConnectorState(StatusTransformer.java:357)
This is somewhat similar to a previous bug but intermittent
(https://bz.apache.org/bugzilla/show_bug.cgi?id=62918)
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[Bug 65404] after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat Manager
Status page is unstable
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65404
Mark Thomas <ma...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
--- Comment #1 from Mark Thomas <ma...@apache.org> ---
Once this starts, does it occur for every request or is it intermittent?
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[Bug 65404] after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat Manager
Status page is unstable
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65404
--- Comment #2 from Jordan <jo...@ze.com> ---
Once it starts it appears to keep happening for every request until server
restart.
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[Bug 65404] after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat Manager
Status page is unstable
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65404
--- Comment #4 from Mark Thomas <ma...@apache.org> ---
Yep, that is is. Making a WebSocket request is sufficient to trigger this. Now
to figure out a fix.
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[Bug 65404] after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat Manager
Status page is unstable
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65404
Mark Thomas <ma...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #5 from Mark Thomas <ma...@apache.org> ---
Fixed now. Thanks for reporting this.
Fixed in:
- 10.1.x for 10.1.0-M3 onwards
- 10.0.x for 10.0.9 onwards
- 9.0.x for 9.0.51 onwards
- 8.5.x for 8.5.69 onwards
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[Bug 65404] after upgrade Tomcat 8.5.57 to 8.5.66 the Tomcat Manager
Status page is unstable
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65404
--- Comment #3 from Mark Thomas <ma...@apache.org> ---
Thanks. That is helpful.
I am wondering if the fix for bug 63362 is responsible for this. It made
changes in this area and it was in 8.5.60 onwards. No evidence so support this
theory yet.
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