[jetty-dev] Concurrency issue causing EnvConfiguration.configure to throw a NameNotFoundException; remaining name 'env'

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[jetty-dev] Concurrency issue causing EnvConfiguration.configure to throw a NameNotFoundException; remaining name 'env'

Matthew Sheppard-2
Hi Jan,

I was able to reproduce that OOM by dropping the number of threads to 1 and letting it run for a while - Embarrassingly I wasn't shutting down the ExecutorService I was using to start the two servers in parallel. I've just pushed a change to github that addresses that and I now seem to be able to run it with one server-starting-thread indefinitely and still see the NameNotFoundException when starting the servers with multiple threads, so please give it another try if you can.

(I saw your subsequent message with the link to https://github.com/eclipse/jetty.project/issues/3729 - Thanks for raising that - I'll post this over there too)

Many thanks,


Thanks for the repro test case!

I've let it run for nearly 3mins and didn't get the problem, however I did
get an OutOfMemoryException, so there's something not quite right with the

Caused by: java.util.concurrent.ExecutionException:
java.lang.OutOfMemoryError: unable to create native thread: possibly out of
memory or process/resource limits reached
    at java.util.concurrent.FutureTask.report (FutureTask.java:122)
    at java.util.concurrent.FutureTask.get (FutureTask.java:191)
    at Main.main (Main.java:61)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
    at java.lang.reflect.Method.invoke (Method.java:566)
    at org.codehaus.mojo.exec.ExecJavaMojo$1.run (ExecJavaMojo.java:297)
    at java.lang.Thread.run (Thread.java:834)

I think you should open an issue in the jetty issue tracker, and link to
your repro on github and we'll take it from there. Be good if you took
another look at the repro and fixed the OOM issue so we aren't muddying the


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