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SAP Knowledge Base Article - PreviewSymptom
- Call to external parties from NetWeaver Java is using IPv6 address not IPv4 which is causing the connectivity problem.
- From the error log you could see errors similar to [Connection refused (Port:*** to address ::fff:***.***.***.***)]
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Environment
- SAP Application Server JAVA
- Release Independent
Product
SAP Composition Environment all versions ; SAP NetWeaver all versions
Keywords
-Djava.net.preferIPv4Stack=true, preferIPv4Stack, IPv6, ::fff: , KBA , BC-JVM , SAP Java Virtual Machine , Problem
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