Branko Peshevski created NIFI-8630:
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Summary: PutEmail fails to negotiate TLS1.2 with latest JDK.
Key: NIFI-8630
URL: https://issues.apache.org/jira/browse/NIFI-8630
Project: Apache NiFi
Issue Type: Bug
Reporter: Branko Peshevski
On April 20, 2021 with the latest JDK the support for TLS 1.0 and 1.1 was
removed/disabled. Using the PutEmail processor with the latest OpenJdk and TLS
set to true is failing with:
{code:java}
Failed to send email for
StandardFlowFileRecord[uuid=7e8d3482-59ac-4993-a9ea-fa9089ced554,claim=,offset=0,name=7e8d3482-59ac-4993-a9ea-fa9089ced554,size=0]:
Could not convert socket to TLS; routing to failure:
javax.mail.MessagingException: Could not convert socket to TLS;
nested exception is:
javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol
is disabled or cipher suites are inappropriate)
javax.mail.MessagingException: Could not convert socket to TLS
at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1907)
at
com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:666)
at javax.mail.Service.connect(Service.java:317)
at javax.mail.Service.connect(Service.java:176)
at javax.mail.Service.connect(Service.java:125)
at javax.mail.Transport.send0(Transport.java:194)
at javax.mail.Transport.send(Transport.java:124)
at org.apache.nifi.processors.standard.PutEmail.send(PutEmail.java:541)
at
org.apache.nifi.processors.standard.PutEmail.onTrigger(PutEmail.java:395)
at
org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
at
org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1173)
at
org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:214)
at
org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117)
at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110)
{code}
>From my research the javax.mail version is quite old and it is known that
>1.4.x fails to renegotiate with better tls algorithm. But I think it would be
>better to add new Property Descriptor to the PutEmail processor that will
>default the ssl protocol to TLS1.2.
* Update the javax.mail dependency.
* Add PropertyDescriptor for setting the ssl algorithm that will default to
TLS 1.2
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