SAP Knowledge Base Article - Preview

2647483 - REST Poller or Receiver channel fails - handshake failure

Symptom

You are trying to use a REST Poller or Receiver channel with TLS1.2, but the communcation fails with a handshake error. In the XPI Inspecor Traces, you can see the following details:

[…]
Catching javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174)
at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:136)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:1822)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1004)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1188)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:654)
at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:100)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
[…]
at com.sap.aii.adapter.rest.ejb.channel.HTTPWrapper.executeCall(HTTPWrapper.java:157)
at com.sap.aii.adapter.rest.ejb.poller.RESTPollerChannel.channel_poll(RESTPollerChannel.java:177)
at com.sap.aii.adapter.rest.ejb.common.channel.AbstractPollingChannel.poll(AbstractPollingChannel.java:66)
at com.sap.aii.adapter.rest.ejb.common.channel.AbstractPollingChannel.invoke(AbstractPollingChannel.java:48)
at com.sap.aii.af.lib.scheduler.JobBroker$Worker.run(JobBroker.java:529)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:185)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:302)
[…]


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Environment

  • SAP enhancement package 1 for SAP NetWeaver 7.3 > SP14
  • SAP NetWeaver 7.4 > SP09
  • SAP NetWeaver 7.5

Product

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

Keywords

REST, TLS, SSL, IAIK, JVM, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX , KBA , BC-XI-CON-RST , Rest Adapter , Problem

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