Running a buildflow that looks like this (all steps are calling the same project with different parameters):

buid("jobname", PARAM: "value")
parallel (

{build("jobname", PARAM: "value2") }

,

{build("jobname", PARAM: "value3") }

,

{build("jobname", PARAM: "value4") }

,

{build("jobname", PARAM: "value5") }

,

{build("jobname", PARAM: "value6") }

,

{build("jobname", PARAM: "value7") }

,

{build("jobname", PARAM: "value8") }

,

{build("jobname", PARAM: "value9") }

,

{build("jobname", PARAM: "value10") }

}

Occasionally the buildflow will get stuck after the very first step. The first step succeeds in a few minutes, but the buildflow task never moves on to the parallel steps even if left for days. The build flow task is set to run every 15 minutes and this issue only crops up once every day or two, but when it does it requires manually stopping the task to fix it.