Ok, i think that connecting with protocol imap (IMAP without SSL) does not work because isn't supported by GMail. I need to use imaps (IMAP with SSL). But in that case i still have a problem:
Consumer Consumer[imaps://imap.gmail.com?consumer.delay=60000&delete=false&password=******&unseen=true&username=myusername%40gmail.com] could not poll endpoint: Endpoint[imaps://imap.gmail.com?consumer.delay=60000&delete=false&password=******&unseen=true&username=myusername%40gmail.com] caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target 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 at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:571) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at javax.mail.Service.connect(Service.java:288) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at org.apache.camel.component.mail.MailConsumer.ensureIsConnected(MailConsumer.java:376) ~[camel-mail-2.10.1.jar:2.10.1] at org.apache.camel.component.mail.MailConsumer.poll(MailConsumer.java:82) ~[camel-mail-2.10.1.jar:2.10.1] at org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:139) [camel-core-2.10.1.jar:2.10.1] at org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:91) [camel-core-2.10.1.jar:2.10.1] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_11] at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351) [na:1.7.0_11] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) [na:1.7.0_11] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) [na:1.7.0_11] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.7.0_11] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [na:1.7.0_11] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [na:1.7.0_11] at java.lang.Thread.run(Thread.java:722) [na:1.7.0_11] 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 sun.security.ssl.Alerts.getSSLException(Alerts.java:192) ~[na:1.7.0_11] at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1902) ~[na:1.7.0_11] at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:276) ~[na:1.7.0_11] at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:270) ~[na:1.7.0_11] at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1338) ~[na:1.7.0_11] at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:154) ~[na:1.7.0_11] at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868) ~[na:1.7.0_11] at sun.security.ssl.Handshaker.process_record(Handshaker.java:804) ~[na:1.7.0_11] at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1032) ~[na:1.7.0_11] at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1328) ~[na:1.7.0_11] at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:882) ~[na:1.7.0_11] at sun.security.ssl.AppInputStream.read(AppInputStream.java:102) ~[na:1.7.0_11] at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:110) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at java.io.BufferedInputStream.fill(BufferedInputStream.java:235) ~[na:1.7.0_11] at java.io.BufferedInputStream.read(BufferedInputStream.java:254) ~[na:1.7.0_11] at com.sun.mail.iap.ResponseInputStream.readResponse(ResponseInputStream.java:97) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.iap.Response.<init>(Response.java:96) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.imap.protocol.IMAPResponse.<init>(IMAPResponse.java:61) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.imap.protocol.IMAPResponse.readResponse(IMAPResponse.java:135) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.imap.protocol.IMAPProtocol.readResponse(IMAPProtocol.java:261) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.iap.Protocol.<init>(Protocol.java:114) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.imap.protocol.IMAPProtocol.<init>(IMAPProtocol.java:104) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:538) ~[javax.mail_1.1.0.0_1-4-1.jar:1.4.1] ... 13 common frames omitted 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:385) ~[na:1.7.0_11] at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292) ~[na:1.7.0_11] at sun.security.validator.Validator.validate(Validator.java:260) ~[na:1.7.0_11] at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:326) ~[na:1.7.0_11] at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231) ~[na:1.7.0_11] at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:126) ~[na:1.7.0_11] at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1320) ~[na:1.7.0_11] ... 31 common frames omitted 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:196) ~[na:1.7.0_11] at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:268) ~[na:1.7.0_11] at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:380) ~[na:1.7.0_11] ... 37 common frames omitted -- View this message in context: 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