javax.mail.MessagingException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target;

You are trying to configure Email notification in soa suite.

You have imported the certificates to the keystore and have point the soa server to new keystore having the smtp and imap certificates

Now when you run the application you are getting following error in your soa_server.logs

equestInfo[sdpm/ReceivingQueuesInfo=OraSDPM/QueueConnectionFactory:OraSDPM/Queues/OraSDPMAppDefRcvQ1, Principal=, AppInstanceName=null, Delegate=null, AppName=default/UMSProject!1.0, ClientVersion=11.1.1.7.0, ClientType=POJO].
[2014-03-26T16:18:00.683+05:30] [soa_server1] [ERROR] [SDP-26123] [oracle.sdp.messaging.driver.email] [tid: [ACTIVE].ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [ecid: 0000KJxz2Hh7ECQ_y_p2iW1JCewX000002,1:28127] [APP: usermessagingdriver-email] Could not initialize Email Store for user tokenize@gmail.com
[2014-03-26T16:18:00.683+05:30] [soa_server1] [ERROR] [SDP-25700] [oracle.sdp.messaging.driver.email] [tid: [ACTIVE].ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: ] [ecid: 0000KJxz2Hh7ECQ_y_p2iW1JCewX000002,1:28127] [APP: usermessagingdriver-email] An unexpected exception was caught.[[
javax.mail.MessagingException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target;
nested exception is:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:571)
at javax.mail.Service.connect(Service.java:288)
at javax.mail.Service.connect(Service.java:169)
at oracle.sdpinternal.messaging.driver.email.ImapEmailStore.initStore(ImapEmailStore.java:183)
at oracle.sdpinternal.messaging.driver.email.ImapEmailStore.initStore(ImapEmailStore.java:132)
at oracle.sdpinternal.messaging.driver.email.EmailResourceAdapter.createEmailStore(EmailResourceAdapter.java:1290)
at oracle.sdpinternal.messaging.driver.email.MailboxPollingWorker.getInitializedEmailStore(MailboxPollingWorker.java:104)
at oracle.sdpinternal.messaging.driver.email.MailboxPollingWorker.run(MailboxPollingWorker.java:47)
at weblogic.connector.security.layer.WorkImpl.runIt(WorkImpl.java:108)
at weblogic.connector.security.layer.WorkImpl.run(WorkImpl.java:44)
at weblogic.connector.work.WorkRequest.run(WorkRequest.java:95)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1649)
at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:241)
at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:235)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1206)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:136)
at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:593)
at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:529)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:893)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1138)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:753)
at com.sun.net.ssl.internal.ssl.AppInputStream.read(AppInputStream.java:75)
at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:110)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
at com.sun.mail.iap.ResponseInputStream.readResponse(ResponseInputStream.java:97)
at com.sun.mail.iap.Response.(Response.java:96)
at com.sun.mail.imap.protocol.IMAPResponse.(IMAPResponse.java:61)
at com.sun.mail.imap.protocol.IMAPResponse.readResponse(IMAPResponse.java:135)
at com.sun.mail.imap.protocol.IMAPProtocol.readResponse(IMAPProtocol.java:261)
at com.sun.mail.iap.Protocol.(Protocol.java:114)
at com.sun.mail.imap.protocol.IMAPProtocol.(IMAPProtocol.java:104)
at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:538)
... 13 more
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:323)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:217)
at sun.security.validator.Validator.validate(Validator.java:218)
at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:126)
at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:209)
at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:249)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1185)
... 31 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:174)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:238)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:318)
... 37 more


This error comes when you import an old version of certificates.

Google keeps on changing its certificates to it is always better to download the latest certificate and import it in you keystore.

YOu can follow this link to configure the same.