Troubleshooting
Problem
Error on Last-Modified HTTP header when testing Virtual viewer after installation
Symptom
From virtual.log:
WebContainer : 5 Sep 28, 2016 2:54:58 PM (000034525/000000001): ji.streamer.splitter.f: Unable to generate page due to repository access error.
at ji.streamer.servlet.jiAbstractStreamerServlet.w(Unknown Source)
at ji.streamer.servlet.jiAbstractStreamerServlet.cb(Unknown Source)
at ji.streamer.servlet.jiAbstractStreamerServlet.ca(Unknown Source)
at ji.streamer.servlet.jiAbstractStreamerServlet.b9(Unknown Source)
at ji.streamer.servlet.jiAbstractStreamerServlet.ck(Unknown Source)
at ji.streamer.servlet.TileStreamerServlet.v(Unknown Source)
at ji.streamer.servlet.jiAbstractHTMLViewerServlet.ao(Unknown Source)
at ji.streamer.servlet.jiInternalDefaultStreamerServlet.e(Unknown Source)
at ji.streamer.servlet.jiInternalDefaultStreamerServlet.doGet(Unknown Source)
at ji.streamer.servlet.TileStreamerServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:575)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
at ji.server.control.h.c(Unknown Source)
at com.ibm.dv.server.ViewOnePlatformService.f(Unknown Source)
at com.ibm.dv.server.ViewOnePlatformService.doPost(Unknown Source)
at com.ibm.dv.server.ViewOnePlatformService.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:575)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:613)
at jibs.j$a.service(Unknown Source)
at jibs.j.service(Unknown Source)
at com.ibm.dv.server.Platform.service(Unknown Source)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1227)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:776)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:458)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1032)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:909)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:459)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:526)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:312)
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:1862)
Caused by: java.io.IOException: Unable to retrieve document modified date using Last-Modified HTTP header
at ji.server.repository.g.e(Unknown Source)
at ji.server.repository.f._(Unknown Source)
at ji.server.repository.f.z(Unknown Source)
at ji.server.repository.f.<init>(Unknown Source)
at ji.server.repository.f.<init>(Unknown Source)
at ji.server.repository.g.a(Unknown Source)
at ji.server.repository.g.aa(Unknown Source)
... 46 more
Cause
missing parameter: modifiedDocumentCheckMethod from the viewone.properties file
Environment
Daeja ViewONE Virtual stand alone
Diagnosing The Problem
Enabled logging in <servlet_name>.properties file to see the full error stack in the virtual.log. Note on Windows systems, you'll need to escape the backslashes.
Example: virtual.logfile=WEB-INF/c:\\temp\\virtual.log
Resolving The Problem
Add the property modifiedDocumentCheckMethod=uniqueid to ...WEB-INF/ <servlet_name>.properties file and restart.
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Document Information
Modified date:
28 January 2021
UID
swg21991551