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Pega application stopped responding for 10-15 min



Pega application stopped responding for 10-15 min and thread dump was generated.

Error Messages

Offending thread with thread stack below,

"a-thread-id" Id=242 in RUNNABLE (running in native)

BlockedCount : 43114, BlockedTime : -1, WaitedCount : 47897, WaitedTime : -1

    at Method)




      - locked java.lang.Object@1cd65913




    at com.pega.pegarules.exec.internal.util.PRRandom.reseedGenerator(

    at com.pega.pegarules.exec.internal.util.PRRandom.checkToReseed(

    at com.pega.pegarules.exec.internal.util.PRRandom.nextInt(

    at com.pegarules.generated.activity.ra_action_retrievevolumemetrics_48ebd747d706912ee8a1358d0caa7251.step2_0_circum0_Embed_PegaCA_ServiceVolume(

    at com.pegarules.generated.activity.ra_action_retrievevolumemetrics_48ebd747d706912ee8a1358d0caa7251.perform(

    at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(

    at com.pega.pegarules.session.internal.mgmt.Executable.invokeActivity(

   at com.pegarules.generated.activity.ra_action_getcontactcentervolume_41e3e84bca768cc9b56e5b90a4604382.step1_circum0(

at com.pegarules.generated.activity.ra_action_getcontactcentervolume_41e3e84bca768cc9b56e5b90a4604382.perform(


Steps to Reproduce


Root Cause

Possible defect with Oracle JDK running on Red Hat.



Per Red Hat, include additional JVM argument

Suggest Edit

Published July 23, 2018 - Updated October 8, 2020

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