Troubleshooting
Problem
When trying to send email to the SMTP server using EmailOutputNode, the following error is received:
Text com.ibm.broker.emailnodes.EmailOutputNode :
javax.mail.MessagingException: Could not convert socket to TLS;\n
nested exception is:\n\tjavax.net.ssl.SSLHandshakeException:
com.ibm.jsse2.util.h: PKIX path building failed:
com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target\n\tat
com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:2155)\n\tat
com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:752)\n\tat
javax.mail.Service.connect(Service.java:366)\n\tat
javax.mail.Service.connect(Service.java:246)\n\tat
com.ibm.broker.emailnodes.EmailOutputNode.sendMail(EmailOutputNode.java:463)\n\tat
com.ibm.broker.emailnodes.EmailOutputNode.sendBasicEmail(EmailOutputNode.java:503)\n\tat
com.ibm.broker.emailnodes.EmailOutputNode.sendData(EmailOutputNode.java:374)\n\tat
com.ibm.broker.plugin.MbOutputTemplateNode.sendData(MbOutputTemplateNode.java:53)\n\tat
com.ibm.broker.plugin.MbOutputTerminal._propagate(Native Method)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:133)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:88)\n\tat
com.ibm.broker.jdbcnodes.RouteNode.evaluate(RouteNode.java:263)\n\tat
com.ibm.broker.plugin.MbNode.evaluate(MbNode.java:1453)\n\tat
com.ibm.broker.plugin.MbOutputTerminal._propagate(Native Method)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:133)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:88)\n\tat
com.ibm.dnq.broker.runtime.nodes.ComIbmDnqTgNode.propagateTriggerMessage(ComIbmDnqTgNode.java:363)\n\tat
com.ibm.dnq.broker.runtime.nodes.ComIbmDnqTgNode.run(ComIbmDnqTgNode.java:202)\nCaused by: javax.net.ssl.SSLHandshakeException:
com.ibm.jsse2.util.h: PKIX path building failed:
com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target\n\tat
com.ibm.jsse2.k.a(k.java:43)\n\tat com.ibm.jsse2.av.a(av.java:722)\n\tat com.ibm.jsse2.D.a(D.java:121)\n\tat
com.ibm.jsse2.D.a(D.java:572)\n\tat com.ibm.jsse2.E.a(E.java:585)\n\tat com.ibm.jsse2.E.a(E.java:479)\n\tat com.ibm.jsse2.D.s(D.java:286)\n\tat
com.ibm.jsse2.D.a(D.java:251)\n\tat com.ibm.jsse2.av.a(av.java:788)\n\tat com.ibm.jsse2.av.i(av.java:45)\n\tat
com.ibm.jsse2.av.a(av.java:637)\n\tat com.ibm.jsse2.av.startHandshake(av.java:1020)\n\tat
com.sun.mail.util.SocketFetcher.configureSSLSocket(SocketFetcher.java:626)\n\tat
com.sun.mail.util.SocketFetcher.startTLS(SocketFetcher.java:553)\n\tat
com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:2150)\n\t...
17 more\nCaused by: com.ibm.jsse2.util.h: PKIX path building failed:
com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target\n\tat
com.ibm.jsse2.util.f.a(f.java:85)\n\tat com.ibm.jsse2.util.f.b(f.java:8)\n\tat com.ibm.jsse2.util.e.a(e.java:6)\n\tat
com.ibm.jsse2.aD.a(aD.java:75)\n\tat com.ibm.jsse2.aD.a(aD.java:181)\n\tat com.ibm.jsse2.aD.checkServerTrusted(aD.java:144)\n\tat
com.ibm.jsse2.E.a(E.java:145)\n\t... 27 more\nCaused by: com.ibm.security.cert.IBMCertPathBuilderException:
unable to find valid certification path to requested target\n\tat
com.ibm.security.cert.SunCertPathBuilder.build(SunCertPathBuilder.java:139)\n\tat
com.ibm.security.cert.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:124)\n\tat
java.security.cert.CertPathBuilder.build(CertPathBuilder.java:292)\n\tat com.ibm.jsse2.util.f.a(f.java:129)\n\t... 33 more\n
javax.mail.MessagingException: Could not convert socket to TLS;\n
nested exception is:\n\tjavax.net.ssl.SSLHandshakeException:
com.ibm.jsse2.util.h: PKIX path building failed:
com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target\n\tat
com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:2155)\n\tat
com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:752)\n\tat
javax.mail.Service.connect(Service.java:366)\n\tat
javax.mail.Service.connect(Service.java:246)\n\tat
com.ibm.broker.emailnodes.EmailOutputNode.sendMail(EmailOutputNode.java:463)\n\tat
com.ibm.broker.emailnodes.EmailOutputNode.sendBasicEmail(EmailOutputNode.java:503)\n\tat
com.ibm.broker.emailnodes.EmailOutputNode.sendData(EmailOutputNode.java:374)\n\tat
com.ibm.broker.plugin.MbOutputTemplateNode.sendData(MbOutputTemplateNode.java:53)\n\tat
com.ibm.broker.plugin.MbOutputTerminal._propagate(Native Method)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:133)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:88)\n\tat
com.ibm.broker.jdbcnodes.RouteNode.evaluate(RouteNode.java:263)\n\tat
com.ibm.broker.plugin.MbNode.evaluate(MbNode.java:1453)\n\tat
com.ibm.broker.plugin.MbOutputTerminal._propagate(Native Method)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:133)\n\tat
com.ibm.broker.plugin.MbOutputTerminal.propagate(MbOutputTerminal.java:88)\n\tat
com.ibm.dnq.broker.runtime.nodes.ComIbmDnqTgNode.propagateTriggerMessage(ComIbmDnqTgNode.java:363)\n\tat
com.ibm.dnq.broker.runtime.nodes.ComIbmDnqTgNode.run(ComIbmDnqTgNode.java:202)\nCaused by: javax.net.ssl.SSLHandshakeException:
com.ibm.jsse2.util.h: PKIX path building failed:
com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target\n\tat
com.ibm.jsse2.k.a(k.java:43)\n\tat com.ibm.jsse2.av.a(av.java:722)\n\tat com.ibm.jsse2.D.a(D.java:121)\n\tat
com.ibm.jsse2.D.a(D.java:572)\n\tat com.ibm.jsse2.E.a(E.java:585)\n\tat com.ibm.jsse2.E.a(E.java:479)\n\tat com.ibm.jsse2.D.s(D.java:286)\n\tat
com.ibm.jsse2.D.a(D.java:251)\n\tat com.ibm.jsse2.av.a(av.java:788)\n\tat com.ibm.jsse2.av.i(av.java:45)\n\tat
com.ibm.jsse2.av.a(av.java:637)\n\tat com.ibm.jsse2.av.startHandshake(av.java:1020)\n\tat
com.sun.mail.util.SocketFetcher.configureSSLSocket(SocketFetcher.java:626)\n\tat
com.sun.mail.util.SocketFetcher.startTLS(SocketFetcher.java:553)\n\tat
com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:2150)\n\t...
17 more\nCaused by: com.ibm.jsse2.util.h: PKIX path building failed:
com.ibm.security.cert.IBMCertPathBuilderException: unable to find valid certification path to requested target\n\tat
com.ibm.jsse2.util.f.a(f.java:85)\n\tat com.ibm.jsse2.util.f.b(f.java:8)\n\tat com.ibm.jsse2.util.e.a(e.java:6)\n\tat
com.ibm.jsse2.aD.a(aD.java:75)\n\tat com.ibm.jsse2.aD.a(aD.java:181)\n\tat com.ibm.jsse2.aD.checkServerTrusted(aD.java:144)\n\tat
com.ibm.jsse2.E.a(E.java:145)\n\t... 27 more\nCaused by: com.ibm.security.cert.IBMCertPathBuilderException:
unable to find valid certification path to requested target\n\tat
com.ibm.security.cert.SunCertPathBuilder.build(SunCertPathBuilder.java:139)\n\tat
com.ibm.security.cert.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:124)\n\tat
java.security.cert.CertPathBuilder.build(CertPathBuilder.java:292)\n\tat com.ibm.jsse2.util.f.a(f.java:129)\n\t... 33 more\n
Document Location
Worldwide
[{"Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSNQK6","label":"IBM Integration Bus"},"ARM Category":[{"code":"a8m50000000CiXCAA0","label":"IIB2-\u003ERuntime-\u003ENodes-\u003EEmail"}],"ARM Case Number":"TS004496324","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.0.0"}]
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Document Information
Modified date:
28 April 2025
UID
ibm16378332