Issue
When accessing graphs on a Build History Trend page cause Jenkins to become unresponsive
This is being manifested on:
* At Browser, it can been seen at HTTP 503 Service unavailable
.
* Jenkins is unresponsive but still running and cannot login via browser.
* At Thread Dumps, it can been seen Requests containing /timeline/data/ as BLOCKED
. For instance something similar to:
"Handling POST /view/Builds/timeline/data/ from example.com : ajp-bio-127.0.0.1-9009-exec-57" Id=7549 BLOCKED on hudson.model.RunMap@197b81f7 owned by "Handling POST /view/Builds/timeline/data/ from example.com : ajp-bio-127.0.0.1-9009-exec-28" Id=203
at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:356)
- blocked on hudson.model.RunMap@197b81f7
at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:332)
at jenkins.model.lazy.AbstractLazyLoadRunMap.newestBuild(AbstractLazyLoadRunMap.java:274)
at jenkins.model.lazy.LazyLoadRunMapEntrySet$1.<init>(LazyLoadRunMapEntrySet.java:65)
at jenkins.model.lazy.LazyLoadRunMapEntrySet.iterator(LazyLoadRunMapEntrySet.java:63)
at java.util.AbstractMap$2$1.<init>(AbstractMap.java:389)
at java.util.AbstractMap$2.iterator(AbstractMap.java:388)
at hudson.util.RunList.iterator(RunList.java:97)
...
Environment
- CloudBees Jenkins Enterprise (CJE)
- CloudBees Request Filter plugin
Resolution
Install the CloudBees Request Filter plugin >= 1.1 and block .*/timeline/data/
requests.
Please have a look at How Do I Use The CloudBees Request Filter Plugin.
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