SAP Knowledge Base Article - Preview

1874519 - Network exception during remote installation


When attempting to perform remote installation with sapinst, the installer crashes with the following error:

[Error]: Network input/output exception has
occurred:; local
class incompatible: stream classdesc serialVersionUID =
2114821536813725271, local class serialVersionUID = 292039230207479778

The error happens when trying to connect the remote sapinst GUI to the backend sapinst process in the remote host.



  • SAP system release independent
  • Database release independent
  • Sapinst GUI and server started are in different hosts
  • Normally this error is observed when the two involved hosts run different OS platforms
  • The OS types are usually Unix in the backend, and Windows in the frontend (SAPINSTGUI)


SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Keywords, Java, Bug, JVM, Java Virtual Machine, Version, Serial number, Remotely, Background, Installer, Tool, System copy, Split, Execution, Separate, GUI, nogui, SWPM, Software Provisioning Manager , KBA , BC-INS , Installation Tools (SAP Note 1669327) , BC-INS-NT , SAP Netweaver based Solutions on Windows , BC-INS-UNX , Installation Unix , BC-INS-FWK , sapinst and slplugin/slcb , Problem

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