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  1. ,
    Expert tip

    If you're using wiremock, configure your code to accept wiremock self-signed certificate or create a keystore and certificate that are trusted by your HTTP client and configure wiremock to use that

  2. ,
    via Stack Overflow by carlos

    Set the mail.smtp.ssl.trust system property to an smtp host, like smtp.gmail.com.

Solutions on the web

via eclipse.org by Unknown author, 1 year ago
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via jetbrains.com by Unknown author, 11 months ago
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via Stack Overflow by user3622196
, 2 years ago
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via csdn.net by Unknown author, 1 year ago
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via ne.jp by Unknown author, 1 year ago
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via Stack Overflow by user3632940
, 2 years ago
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target	at sun.security.provider.certpath.SunCertPathBuilder.build(Unknown Source)	at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)	at java.security.cert.CertPathBuilder.build(Unknown Source)	at sun.security.validator.PKIXValidator.doBuild(Unknown Source)	at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)	at sun.security.validator.Validator.validate(Unknown Source)	at sun.security.ssl.X509TrustManagerImpl.validate(Unknown Source)	at sun.security.ssl.X509TrustManagerImpl.checkTrusted(Unknown Source)	at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)	at sun.security.ssl.ClientHandshaker.serverCertificate(Unknown Source)	at sun.security.ssl.ClientHandshaker.processMessage(Unknown Source)	at sun.security.ssl.Handshaker.processLoop(Unknown Source)	at sun.security.ssl.Handshaker.process_record(Unknown Source)	at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)	at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)	at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)	at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)	at org.apache.http.conn.ssl.SSLSocketFactory.createLayeredSocket(SSLSocketFactory.java:554)	at org.apache.http.conn.ssl.SSLSocketFactory.createLayeredSocket(SSLSocketFactory.java:435)	at org.apache.http.impl.conn.DefaultClientConnectionOperator.updateSecureConnection(DefaultClientConnectionOperator.java:216)	at org.apache.http.impl.conn.ManagedClientConnectionImpl.layerProtocol(ManagedClientConnectionImpl.java:394)	at org.apache.http.impl.client.DefaultRequestDirector.establishRoute(DefaultRequestDirector.java:814)	at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:615)	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:446)	at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)	at org.eclipse.ecf.provider.filetransfer.httpclient4.HttpClientFileSystemBrowser.runRequest(HttpClientFileSystemBrowser.java:263)	at org.eclipse.ecf.provider.filetransfer.browse.AbstractFileSystemBrowser$DirectoryJob.run(AbstractFileSystemBrowser.java:69)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)