Getting IllegalArgumentException in logs , Looks like it's coming up when we try to attach a file to work object.

User isn't experienced any issue with object but still exception is being logged in logs

To recreate the issue in lower environment , I tried to attach file that has same name(2016-5Retailer.xlsx) ,but I didn't see any exception in logs in tracer as well.

I looked into below article which is saying it's a known issue , but I would like to recreate this issue in lower environment before apply Hotfix .

https://pdn.pega.com/support-articles/error-occurs-when-attachment-file-name-contains-ampersand#comment-232241

- Exception

java.lang.IllegalArgumentException: Trying to set a parameter with invalid name "2016-5Retailer.xlsx;"

at com.pega.pegarules.pub.runtime.ParameterPage.putString(ParameterPage.java:411)

at com.pega.pegarules.session.internal.mgmt.Executable.putParamValue(Executable.java:2446)

at com.pegarules.generated.activity.ra_action_reloadsection_da485226efeafad250cd6b7ad21ded26.step3_circum0(ra_action_reloadsection_da485226efeafad250cd6b7ad21ded26.java:509)

at com.pegarules.generated.activity.ra_action_reloadsection_da485226efeafad250cd6b7ad21ded26.perform(ra_action_reloadsection_da485226efeafad250cd6b7ad21ded26.java:103)

at com.pega.pegarules.session.internal.mgmt.Executable.doActivity(Executable.java:3500)

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

at com.pega.pegarules.session.internal.mgmt.PRThreadImpl.runActivitiesAlt(PRThreadImpl.java:461)

at com.pega.pegarules.session.internal.engineinterface.service.HttpAPI.runActivities(HttpAPI.java:3322)

at com.pega.pegarules.session.external.engineinterface.service.EngineAPI.processRequestInner(EngineAPI.java:385)

at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:483)

at com.pega.pegarules.session.internal.PRSessionProviderImpl.performTargetActionWithLock(PRSessionProviderImpl.java:1270)

at com.pega.pegarules.session.internal.PRSessionProviderImpl.doWithRequestorLocked(PRSessionProviderImpl.java:1008)

at com.pega.pegarules.session.internal.PRSessionProviderImpl.doWithRequestorLocked(PRSessionProviderImpl.java:841)

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:850)

at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl._invokeEngine_privact(EngineImpl.java:315)

at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl.invokeEngine(EngineImpl.java:263)

at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineImpl.invokeEngine(EngineImpl.java:240)

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.GeneratedMethodAccessor49.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:483)

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:754)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)

at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:420)

at org.jboss.as.web.session.ClusteredSessionValve.handleRequest(ClusteredSessionValve.java:134)

at org.jboss.as.web.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:99)

at org.jboss.as.web.session.JvmRouteValve.invoke(JvmRouteValve.java:92)

at org.jboss.as.web.session.LockingValve.invoke(LockingValve.java:64)

at org.jboss.web.rewrite.RewriteValve.invoke(RewriteValve.java:272)

at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)

at org.jboss.web.rewrite.RewriteValve.invoke(RewriteValve.java:466)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926)

at java.lang.Thread.run(Thread.java:745)