2522165 - java.net.NoRouteToHostException: Host unreachable (port X to address ::ffff:X.X.X.X) | SAP Knowledge Base Article

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2522165 - java.net.NoRouteToHostException: Host unreachable (port X to address ::ffff:X.X.X.X)

Symptom

In channel monitoring or in message audit log, you find the following error is thrown:

java.net.NoRouteToHostException: Host unreachable (port X to address ::ffff:X.X.X.X)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:382)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:241)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:228)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:365)
at java.net.Socket.connect(Socket.java:529)
......


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Environment

  • SAP NetWeaver Process Integration 7.1
  • SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1
  • SAP NetWeaver 7.3
  • SAP enhancement package 1 for SAP NetWeaver 7.3
  • SAP NetWeaver 7.4
  • SAP NetWeaver 7.5

Product

SAP NetWeaver 7.1 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

-Djava.net.preferIPv4Stack=true, preferIPv4Stack, IPv6, ::fff: , host unreachable, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI , KBA , BC-XI-CON-FIL , File Adapter , Problem

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