Health Check Endpoint - Issue: Insufficient threads: max=3 < needed(acceptors=1 + selectors=2 + req

[Fenton Travers]

VERSION:
Datomic Version: datomic-pro-0.9.5561.62


CONFIG FILE SETTINGS:
protocol=dev
#host=transactor
host=localhost
port=4334

# Health Check
#ping-host=transactor
ping-host=localhost
ping-port=9999



ERROR:
╭─***@archlinux ~/Downloads/datomic-pro-0.9.5561.62 ‹master*›
╰─➀ bin/transactor
~/projects/abraxas/transactor/config/dev-transactor.properties
Launching with Java options -server -Xms1g -Xmx1g -XX:+UseG1GC
-XX:MaxGCPauseMillis=50
Critical failure, cannot continue: Error starting transactor
java.lang.RuntimeException: Unable to start ping endpoint localhost:9999
at
datomic.transactor_ext$start_ping_endpoint.invokeStatic(transactor_ext.clj:42)
at datomic.transactor_ext$start_ping_endpoint.invoke(transactor_ext.clj:25)
at datomic.transactor_ext$start_pro.invokeStatic(transactor_ext.clj:63)
at datomic.transactor_ext$start_pro.invoke(transactor_ext.clj:59)
at clojure.lang.Var.invoke(Var.java:379)
at datomic.transactor$run_STAR_.invokeStatic(transactor.clj:294)
at datomic.transactor$run_STAR_.invoke(transactor.clj:220)
at datomic.transactor$run$fn__23373.invoke(transactor.clj:347)
at clojure.core$binding_conveyor_fn$fn__6757.invoke(core.clj:2020)
at clojure.lang.AFn.call(AFn.java:18)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Insufficient threads: max=3 <
needed(acceptors=1 + selectors=2 + request=1)
at org.eclipse.jetty.server.Server.doStart(Server.java:368)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
at cognitect.http_endpoint.jetty$start.invokeStatic(jetty.clj:123)
at cognitect.http_endpoint.jetty$start.invoke(jetty.clj:120)
at cognitect.http_endpoint.jetty$server$fn__21184.invoke(jetty.clj:136)
at
cognitect.http_endpoint$create_endpoint.invokeStatic(http_endpoint.clj:292)
at cognitect.http_endpoint$create_endpoint.invoke(http_endpoint.clj:217)
at cognitect.nano_impl.server$create.invokeStatic(server.clj:172)
at cognitect.nano_impl.server$create.invoke(server.clj:141)
at cognitect.nano_impl$create.invokeStatic(nano_impl.clj:166)
at cognitect.nano_impl$create.invoke(nano_impl.clj:96)
at
datomic.transactor_ext$start_ping_endpoint.invokeStatic(transactor_ext.clj:33)
... 13 more



Thanks,

Fenton