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1520520 - Could not write to read-only file: Java Model Exception


  • Unable to create a project for a Development Component (DC) in NetWeaver Developer Studio (NWDS).
  • Receiving internal error .classpath is read-only for the corresponding DC.
  • For example, error msg "Java Model Exception: Core Exception [code 4] File /JID_TSTTRACK_D~DC_name~com.example/.classpath is read-only." written in NWDS log.          

class_read_only error.png



  • SAP release independent
  • NetWeaver Developer Studio NWDS, NetWeaver Development Infrastructure NWDI, Webdynpro


SAP Composition Environment all versions ; SAP NetWeaver all versions ; SAP Process Integration all versions


DTR console tool run.bat connect nwdi_cmsadm sap.com_SAP_ESS,SAP Production ABAP R/3 ERP SRM CRM ERP PPM SEM APO XI PI PORTAL Test development QA, dev/active, cons/inactive and cons/active workspaces. , KBA , BC-DWB-JAV , CE Developer Studio - Please read SAP note 1179668 , PA-PA-US , USA , Problem

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