Skip to main content

This content has been archived and is no longer being updated. Links may not function; however, this content may be relevant to outdated versions of the product.

Support Article

Classes do not display on the App Explorer

SA-102582

Summary

Classes do not display on the App Explorer.


Error Messages

788 [WebContainer:9] [STANDARD] [ ] (terface.service.NonBlockingAPI) ERROR  - Error occurred while creating response
com.pega.pegarules.pub.PRRuntimeException: Received non blocking service request but AsyncServiceManager is not initialized. Check if prconfig setting 'asyncservices/enable' is set to 'true'.
at com.pega.pegarules.session.internal.engineinterface.service.NonBlockingAPI.registerServiceRequestsAndWait(NonBlockingAPI.java:658) ~[prprivate.jar:?]
at com.pega.pegarules.session.internal.engineinterface.service.NonBlockingAPI.processRequest(NonBlockingAPI.java:160) ~[prprivate.jar:?]
at com.pega.pegarules.session.internal.engineinterface.service.HttpAPI.invoke(HttpAPI.java:889) ~[prprivate.jar:?]
at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl._invokeEngine_privact(EngineImpl.java:331) ~[prprivate.jar:?]
at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl.invokeEngine(EngineImpl.java:274) ~[prprivate.jar:?]
at com.pega.pegarules.session.internal.engineinterface.etier.ejb.EngineBean.invokeEngine(EngineBean.java:225) ~[prprivate.jar:?]
at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55) ~[?:127.0.0.1]
at java.lang.reflect.Method.invoke(Method.java:508) ~[?:127.0.0.1]
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:370) ~[prbootstrap.jar:127.0.0.1]
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethodPropagatingThrowable(PRBootstrap.java:411) ~[prbootstrap.jar:127.0.0.1]
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingThrowable(AppServerBridgeToPega.java:224) ~[prbootstrap-api.jar:127.0.0.1]
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingException(AppServerBridgeToPega.java:246) ~[prbootstrap-api.jar:127.0.0.1]
at com.pega.pegarules.internal.etier.ejb.EngineBeanBoot.invokeEngine(EngineBeanBoot.java:168) ~[prbeans.jar:127.0.0.1]
com.pega.pegarules.internal.etier.interfaces.EJSLocalStatelessEngineBMT_f2439d86.invokeEngine(EJSLocalStatelessEngineBMT_f2439d86.java) ~[?:127.0.0.1]
at com.pega.pegarules.priv.context.JNDIEnvironment.invokeEngineInner(JNDIEnvironment.java:275) ~[prpublic.jar:?]
at com.pega.pegarules.priv.context.JNDIEnvironment.invokeEngine(JNDIEnvironment.java:220) ~[prpublic.jar:?]
at com.pega.pegarules.web.impl.WebStandardImpl.makeEtierRequest(WebStandardImpl.java:749) ~[prwebj2ee.jar:?]
at com.pega.pegarules.web.impl.WebStandardImpl.doPost(WebStandardImpl.java:413) ~[prwebj2ee.jar:?]
at sun.reflect.GeneratedMethodAccessor204.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55) ~[?:127.0.0.1]
at java.lang.reflect.Method.invoke(Method.java:508) ~[?:127.0.0.1
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:370) ~[prbootstrap.jar:127.0.0.1]



Steps to Reproduce

  1. Log in to the Dev Studio
  2. Click the App Explorer. Classes do not display, instead, 'Loading' message displays 


Root Cause



A defect or configuration issue in the operating environment. The prconfig/ayncservices/enable/default and prconfig/server-push/enabled/default Dynamic System Setting (DSS) values are set to False. 

Resolution



Perform the following local-change:
  1. Set the prconfig/ayncservices/enable/default and prconfig/server-push/enabled/default Dynamic System Setting (DSS) values to True
  2. Restart the server by clearing the Pega Temp folder content
Suggest Edit

Published July 30, 2020 - Updated December 2, 2021

Did you find this content helpful? Yes No

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.

We'd prefer it if you saw us at our best.

Pega Community has detected you are using a browser which may prevent you from experiencing the site as intended. To improve your experience, please update your browser.

Close Deprecation Notice
Contact us