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我有问题也是here。 问题是我创建了一个证书并将其添加到tomcat的密钥库中，然后我将它复制到cacerts信任库。但是，不知何故，我仍然得到这个错误。PKIX路径建设失败，但证书是在cacerts
我做了什么：
1）密钥工具-genkey -alias CAS -keyalg RSA -keystore cas.keystore -storepass的changeit
2）密钥工具-exportcert -alias CAS - 文件cas.crt -keystore cas.keystore
步骤2），因为我希望把该证书在我的tomcat密钥存储和cacerts
3）的keytool -import -alias -file中科院-keystore cas.crt “C：\ PROGRAM 文件\的Java \ jdk1.8.0_77 \ JRE \ lib \ security中\ cacerts的”
4）密钥工具-import -alias cas -file“C：\ Program Files \ Java \ jdk1.8.0_7 \ jre \ bin \ cas.crt”-keystore “D：\ portal \ apache-tomcat-8.0.3 \ conf \ portal .keystore“
因此，现在使用步骤3和4，我在我的tomcat密钥库和信任库cacerts中添加了证书。
现在，我可以列出我的信任和密钥库
使用此命令..
的keytool -list -v -keystore“C：\ PROGRAM 文件\的Java \ jdk1.8.0_77 \ JRE \ lib \ security中\ cacerts的” -alias CAS
...我得到这个：
Keystore-Kennwort eingeben:
Aliasname: cas
Erstellungsdatum: 09.09.2016
Eintragstyp: trustedCertEntry
Eigentümer: CN=xxx, OU=xxx, O=xxx, L=xxx, ST=xxx, C=xxx
Aussteller: CN=xxx, OU=xxx, O=xxx, L=xxx, ST=xxx, C=xxx
Seriennummer: xxx
Gültig von: Fri Sep 09 10:40:55 CEST 2016 bis: Thu Dec 08 09:40:55 CET 2016
Zertifikat-Fingerprints:
MD5: ....
SHA1: ....
SHA256: ....
Signaturalgorithmusname: SHA256withRSA
Version: 3
Erweiterungen:
#1: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [...
]
]
而与此：
的keytool -list -v -keystore “d：\门户\ Apache的Tomcat的8.0.30 \的conf \ portal.keystore” -alias CAS
我得到这个：
Keystore-Kennwort eingeben:
Keystore-Typ: JKS
Keystore-Provider: SUN
Keystore enthält 1 Eintrag
Aliasname: cas
Erstellungsdatum: 09.09.2016
Eintragstyp: trustedCertEntry
Eigentümer: CN=xxx, OU=xxx, O=xxx, L=xxx, ST=xxx, C=xxx
Aussteller: CN=xxx, OU=xxx, O=xxx, L=xxx, ST=xxx, C=xxx
Seriennummer: ...
Gültig von: Fri Sep 09 10:40:55 CEST 2016 bis: Thu Dec 08 09:40:55 CET 2016
Zertifikat-Fingerprints:
MD5: ...
SHA1: ...
SHA256: ...
Signaturalgorithmusname: SHA256withRSA
Version: 3
Erweiterungen:
#1: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [
]
]
如果不明确：证书（cas）是相同的。
所以我的印象是证书现在在tomcat服务器和信任库cacerts的密钥库中。但不知何故，我仍然得到这个异常，当我进入CAS服务器上我的凭据和重定向（全堆栈跟踪波纹管）：
HTTP Status 500 - 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
这些都是我的连接器在我的雄猫server.xml：
<Connector port="8743" protocol="org.apache.coyote.http11.Http11Protocol" SSLEnabled="true"
maxThreads="150" scheme="https" keystoreFile="${catalina.base}/conf/portal.keystore" keystorePass="changeit"
secure="true" connectionTimeout="240000"
clientAuth="false" sslProtocol="TLS" allowUnsafeLegacyRenegotiation="true" />
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8309" protocol="AJP/1.3" redirectPort="8743" />
是什么我的问题的可能原因？像开头提到的其他所有线程都指出OP没有将证书导入cacerts文件，但是我做到了。
完整的堆栈跟踪：
09-Sep-2016 12:05:30.146 SEVERE [http-bio-8743-exec-4] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [default] in context with path [/cas-sample] threw exception
java.lang.RuntimeException: 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 org.jasig.cas.client.util.CommonUtils.getResponseFromServer(CommonUtils.java:443)
at org.jasig.cas.client.validation.AbstractCasProtocolUrlBasedTicketValidator.retrieveResponseFromServer(AbstractCasProtocolUrlBasedTicketValidator.java:41)
at org.jasig.cas.client.validation.AbstractUrlBasedTicketValidator.validate(AbstractUrlBasedTicketValidator.java:193)
at org.jasig.cas.client.validation.AbstractTicketValidationFilter.doFilter(AbstractTicketValidationFilter.java:204)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:521)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1096)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:674)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:279)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
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)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1949)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1509)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:979)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:914)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1062)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
at org.jasig.cas.client.util.CommonUtils.getResponseFromServer(CommonUtils.java:429)
... 20 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:387)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
at sun.security.validator.Validator.validate(Validator.java:260)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1491)
... 33 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
... 39 more
您可以更改密钥库文件位置以在连接器中使用cas.keystore吗？ – Veeram