I get following error on PegaRules.log often time, and I cannot figure out what cause this errors. I checked a folder shows on error logs, such as, "/StaticContent/common/9aac84b8a3684eb3ac14faa4d8a10516", but no files there.

Does anybody have similar experience?

2016-04-04 17:22:30,102 [http-bio-8080-exec-4] [          ] [                    ] [                    ] (     priv.storage.StorageUtils) ERROR   - Unable to serve file

java.lang.IllegalArgumentException: Illegal characters detected in the path "/StaticContent/common/9aac84b8a3684eb3ac14faa4d8a10516/invalid name attribute: file name missing file extension .jpg". You may not use ", ?, *, <, >, |, :

  at com.pega.pegarules.priv.storage.StorageUtils.normalizeRelativePath(StorageUtils.java:233)

  at com.pega.pegarules.storage.FileStorageManager.getFile(FileStorageManager.java:332)

  at sun.reflect.GeneratedMethodAccessor78.invoke(Unknown Source)

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

  at java.lang.reflect.Method.invoke(Method.java:498)

  at com.pega.pegarules.priv.storage.StorageUtils.getFile(StorageUtils.java:105)

  at com.pega.pegarules.pub.util.PRFile.<init>(PRFile.java:92)

  at com.pega.pegarules.web.staticcontent.StaticContentClient.serveFiles(StaticContentClient.java:1070)

  at com.pega.pegarules.web.staticcontent.StaticContentClient.readFile(StaticContentClient.java:1571)

  at com.pega.pegarules.web.staticcontent.StaticContentClient.retrieveFile(StaticContentClient.java:659)

  at com.pega.pegarules.web.impl.WebStandardImpl.runStaticContentRequest(WebStandardImpl.java:1265)

  at com.pega.pegarules.web.impl.WebStandardImpl.doPost(WebStandardImpl.java:344)

  at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)

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

  at java.lang.reflect.Method.invoke(Method.java:498)

  at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:370)

  at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethodPropagatingThrowable(PRBootstrap.java:411)

  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 com.pega.pegarules.internal.web.servlet.WebStandardBoot.doGet(WebStandardBoot.java:92)

  at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)

  at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

  at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)

  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)

  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

  at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:957)

  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)

  at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)

  at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)

  at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)

  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

  at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

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

Message was edited by: Lochan to add Category