[doc] update JDK requirements, and potential max filehandle limit issue

15 jobs for master in 0 seconds (queued for 114 minutes and 43 seconds)
Status Job ID Name Coverage
  Test
failed #19578
avrora

failed #19579
batik

failed #19580
eclipse

failed #19581
fop

failed #19582
h2

failed #19583
jython

failed #19584
luindex

failed #19585
lusearch

failed #19586
lusearch-fix

failed #19587
pmd

failed #19588
sunflow

failed #19589
tomcat

failed #19590
tradebeans

failed #19591
tradesoap

failed #19592
xalan

 
Name Stage Failure
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batik Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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fop Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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h2 Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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jython Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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luindex Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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lusearch-fix Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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pmd Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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tomcat Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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tradesoap Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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xalan Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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eclipse Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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sunflow Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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avrora Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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lusearch Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
tradebeans Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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