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Question

 Krishna Rai (KrishnaR2370)
Citigroup Inc
Technology Project Manager
Citigroup Inc
IN
KrishnaR2370 Member since 2017 9 posts
Citigroup Inc
Posted: Mar 23, 2018
Last activity: Mar 29, 2019
Posted: 23 Mar 2018 3:51 EDT
Last activity: 29 Mar 2019 1:38 EDT
Closed

Agent management without SMA

HI Team,

Since we have problem accessing the SMA could you please help suggest, if there is an option or channel available to stop/start Agent and monitor activity logs for a newly created Agent.

please suggest..

regards

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System Administration

Posted: 6 years ago
Posted: 23 Mar 2018 4:35 EDT
Ankur Das (@nkur.das_GCS) Principal Software Solutions Engineer
Pegasystems Inc.
US

You can connect to the remote PegaRULES server JVM using JDK's standard JConsole utility. Navigate to AgentManagement MBean under com.pega.PegaRULES tree under the "MBeans" tab once successfully connected. There are two operations "StopQueues" and "StopQueue" that you can execute for your specific application ruleset and agent queue number. See attached screenshot (Capture.jpg) for reference.

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Posted: 6 years ago
Posted: 26 Mar 2018 2:56 EDT
Krishna Rai (KrishnaR2370)
Citigroup Inc
Technology Project Manager
Citigroup Inc
IN

Thanks Imthiyaz,

We are on PRPC ver 7.2.1. somehow we are getting exception error while starting agent as highlighted below - 

2018-03-26 02:49:24,727 [ WebContainer : 0] (ctionWrapper._baseclass.Action) ERROR hostname.xx.xxxx.net|local_desktop.xxx.xxxxx.xxx operator_ID - Activity pzStartStopAgent failed to execute
java.lang.NullPointerException

at com.pega.pegarules.session.internal.async.Agent.getQueue(Agent.java:1065)

                at com.pega.pegarules.session.internal.async.Agent.restartQueue(Agent.java:2266)

                at com.pega.pegarules.session.internal.async.AgentUtilsImpl.startQueue(AgentUtilsImpl.java:630)

                at com.pega.pegarules.session.internal.async.AgentUtilsImpl.startQueue(AgentUtilsImpl.java:568)

                at com.pegarules.generated.activity.ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.step3_3_circum0(ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.java:599)

                at com.pegarules.generated.activity.ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.step3_0_circum0(ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.java:407)

                at com.pegarules.generated.activity.ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.perform(ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.java:115)

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Thanks Imthiyaz,

We are on PRPC ver 7.2.1. somehow we are getting exception error while starting agent as highlighted below - 

2018-03-26 02:49:24,727 [ WebContainer : 0] (ctionWrapper._baseclass.Action) ERROR hostname.xx.xxxx.net|local_desktop.xxx.xxxxx.xxx operator_ID - Activity pzStartStopAgent failed to execute
java.lang.NullPointerException

at com.pega.pegarules.session.internal.async.Agent.getQueue(Agent.java:1065)

                at com.pega.pegarules.session.internal.async.Agent.restartQueue(Agent.java:2266)

                at com.pega.pegarules.session.internal.async.AgentUtilsImpl.startQueue(AgentUtilsImpl.java:630)

                at com.pega.pegarules.session.internal.async.AgentUtilsImpl.startQueue(AgentUtilsImpl.java:568)

                at com.pegarules.generated.activity.ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.step3_3_circum0(ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.java:599)

                at com.pegarules.generated.activity.ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.step3_0_circum0(ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.java:407)

                at com.pegarules.generated.activity.ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.perform(ra_action_pzstartstopagent_e3215d923e16c3065e201e7c1fb37d9c.java:115)

                at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3510)

                at com.pegarules.generated.activity.ra_action_pzrunactionwrapper_056ec03796d8a13802f156886066036d.step1_circum0(ra_action_pzrunactionwrapper_056ec03796d8a13802f156886066036d.java:318)

                at com.pegarules.generated.activity.ra_action_pzrunactionwrapper_056ec03796d8a13802f156886066036d.perform(ra_action_pzrunactionwrapper_056ec03796d8a13802f156886066036d.java:69)

                at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3510)

                at com.pega.pegarules.session.internal.mgmt.base.ThreadRunner.runActivitiesAlt(ThreadRunner.java:646)

                at com.pega.pegarules.session.internal.mgmt.PRThreadImpl.runActivitiesAlt(PRThreadImpl.java:466)

                at com.pega.pegarules.session.internal.engineinterface.service.HttpAPI.runActivities(HttpAPI.java:3093)

                at com.pega.pegarules.session.external.engineinterface.service.EngineAPI.processRequestInner(EngineAPI.java:390)

                at sun.reflect.GeneratedMethodAccessor108.invoke(Unknown Source)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)

                at java.lang.reflect.Method.invoke(Method.java:611)

                at com.pega.pegarules.session.internal.PRSessionProviderImpl.performTargetActionWithLock(PRSessionProviderImpl.java:1277)

                at com.pega.pegarules.session.internal.PRSessionProviderImpl.doWithRequestorLocked(PRSessionProviderImpl.java:1015)

                at com.pega.pegarules.session.internal.PRSessionProviderImpl.doWithRequestorLocked(PRSessionProviderImpl.java:848)

                at com.pega.pegarules.session.external.engineinterface.service.EngineAPI.processRequest(EngineAPI.java:331)

                at com.pega.pegarules.session.internal.engineinterface.service.HttpAPI.invoke(HttpAPI.java:817)

                at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl._invokeEngine_privact(EngineImpl.java:327)

                at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl.invokeEngine(EngineImpl.java:270)

                at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl.invokeEngine(EngineImpl.java:247)

                at com.pega.pegarules.priv.context.JNDIEnvironment.invokeEngineInner(JNDIEnvironment.java:278)

                at com.pega.pegarules.priv.context.JNDIEnvironment.invokeEngine(JNDIEnvironment.java:223)

                at com.pega.pegarules.web.impl.WebStandardImpl.makeEtierRequest(WebStandardImpl.java:574)

                at com.pega.pegarules.web.impl.WebStandardImpl.doPost(WebStandardImpl.java:374)

                at sun.reflect.GeneratedMethodAccessor107.invoke(Unknown Source)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)

                at java.lang.reflect.Method.invoke(Method.java:611)

                at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:367)

                at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethodPropagatingThrowable(PRBootstrap.java:408)

                at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingThrowable(AppServerBridgeToPega.java:223)

                at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethod(AppServerBridgeToPega.java:272)

                at com.pega.pegarules.internal.web.servlet.WebStandardBoot.doPost(WebStandardBoot.java:121)

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:595)

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)

                at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1233)

                at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:782)

                at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:481)

                at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)

                at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1114)

                at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)

                at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:949)

                at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)

                at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)

                at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)

                at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)

                at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)

                at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)

                at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)

                at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

                at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

                at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)

                at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)

                at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)

                at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)

                at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)

 


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Posted: 5 years ago
Posted: 29 Mar 2019 1:38 EDT
Imthiyaz Basha Gounda (ImthiyazGounda)
Larsen & Toubro Ltd

Larsen & Toubro Ltd
IN

Hello Krishna, not very sure if any of the agent queues are corrupted. Can you delete the Data-Agent-Queue, and let the system re-create those instances. 

 

Also, do you have any other FW's installed on top of Pega V7.2.1 ? 

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