2399822 - Blank Portal screen after upgrade due to java.io.IOException exception: The specified device does not exist. | SAP Knowledge Base Article

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2399822 - Blank Portal screen after upgrade due to java.io.IOException exception: The specified device does not exist.

Symptom

  • After a NetWeaver upgrade you can no longer access the Enterprise Portal and only receive a blank screen
  • Checking the server default trace log files you observe an error similar to the below where the .theming file cannot be accessed:
    "Didn't succeed to read file : /usr/sap/<SID>/<Inst. No>/j2ee/cluster/apps/sap.com/com.sap.portal.design.portaldesigndataless/servlet_jsp/com.sap.portal.design.portaldesigndataless/root/theming/Portal/AFP/sap_tradeshow_plus/.theming
    [EXCEPTION]
    java.io.IOException: The specified device does not exist.
     at sun.nio.ch.FileChannelImpl.map0(Native Method)
     at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:769)
     at com.sapportals.portal.prt.service.laf.util.less.FileSystemAccessor.readFile(FileSystemAccessor.java:417)"

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Environment

  • SAP NetWeaver Application Server for Java 7.3x and higher releases
  • Enterprise Portal with LESS mode enabled

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

aix, unix, ibm, hpux, unix, empty, login, iseries, linux, ibm, as, 400, windows , KBA , EP-PIN-PRT , Portal Runtime , EP-PIN-NAV , Navigation , EP-PIN-DESK , Portal Desktops , EP-PIN-PCD , Portal Content Directory , EP-PIN-TOL , Themes / Portal UI Theme Designer / Theme Editor , Problem

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