解决jdk证书问题-生成jssecacerts PKIX path building failed

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错误日志

2021-06-1 16:14:53.590 ERROR 20224 --- [nio-8768-exec-4] org.jasig.cas.client.util.CommonUtils    : SSL error getting response from host: iot.conet.com : Error Message: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
 
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:1937)
    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:1478)
    at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:212)
    at sun.security.ssl.Handshaker.processLoop(Handshaker.java:957)
    at sun.security.ssl.Handshaker.process_record(Handshaker.java:892)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1050)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
    at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:563)
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1512)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1440)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
    at org.jasig.cas.client.util.CommonUtils.getResponseFromServer(CommonUtils.java:442)
    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:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:92)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:92)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    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: 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:1460)
    ... 56 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.build(SunCertPathBuilder.java:145)
    at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:131)
    at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
    at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
    ... 62 common frames omitted

因为没有接入站点的证书


解决

生成证书

新建InstallCert.java文件

/* 
 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 
 *   - Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer. 
 * 
 *   - Redistributions in binary form must reproduce the above copyright 
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution. 
 * 
 *   - Neither the name of Sun Microsystems nor the names of its 
 *     contributors may be used to endorse or promote products derived 
 *     from this software without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */  
  
import java.io.BufferedReader;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.InputStream;  
import java.io.InputStreamReader;  
import java.io.OutputStream;  
import java.security.KeyStore;  
import java.security.MessageDigest;  
import java.security.cert.CertificateException;  
import java.security.cert.X509Certificate;  
  
import javax.net.ssl.SSLContext;  
import javax.net.ssl.SSLException;  
import javax.net.ssl.SSLSocket;  
import javax.net.ssl.SSLSocketFactory;  
import javax.net.ssl.TrustManager;  
import javax.net.ssl.TrustManagerFactory;  
import javax.net.ssl.X509TrustManager;  
  
public class InstallCert {  
  
    public static void main(String[] args) throws Exception {  
        String host;  
        int port;  
        char[] passphrase;  
        if ((args.length == 1) || (args.length == 2)) {  
            String[] c = args[0].split(":");  
            host = c[0];  
            port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);  
            String p = (args.length == 1) ? "changeit" : args[1];  
            passphrase = p.toCharArray();  
        } else {  
            System.out  
                    .println("Usage: java InstallCert <host>[:port] [passphrase]");  
            return;  
        }  
  
        File file = new File("jssecacerts");  
        if (file.isFile() == false) {  
            char SEP = File.separatorChar;  
            File dir = new File(System.getProperty("java.home") + SEP + "lib"  
                    + SEP + "security");  
            file = new File(dir, "jssecacerts");  
            if (file.isFile() == false) {  
                file = new File(dir, "cacerts");  
            }  
        }  
        System.out.println("Loading KeyStore " + file + "...");  
        InputStream in = new FileInputStream(file);  
        KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());  
        ks.load(in, passphrase);  
        in.close();  
  
        SSLContext context = SSLContext.getInstance("TLS");  
        TrustManagerFactory tmf = TrustManagerFactory  
                .getInstance(TrustManagerFactory.getDefaultAlgorithm());  
        tmf.init(ks);  
        X509TrustManager defaultTrustManager = (X509TrustManager) tmf  
                .getTrustManagers()[0];  
        SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);  
        context.init(null, new TrustManager[] { tm }, null);  
        SSLSocketFactory factory = context.getSocketFactory();  
  
        System.out  
                .println("Opening connection to " + host + ":" + port + "...");  
        SSLSocket socket = (SSLSocket) factory.createSocket(host, port);  
        socket.setSoTimeout(10000);  
        try {  
            System.out.println("Starting SSL handshake...");  
            socket.startHandshake();  
            socket.close();  
            System.out.println();  
            System.out.println("No errors, certificate is already trusted");  
        } catch (SSLException e) {  
            System.out.println();  
            e.printStackTrace(System.out);  
        }  
  
        X509Certificate[] chain = tm.chain;  
        if (chain == null) {  
            System.out.println("Could not obtain server certificate chain");  
            return;  
        }  
  
        BufferedReader reader = new BufferedReader(new InputStreamReader(  
                System.in));  
  
        System.out.println();  
        System.out.println("Server sent " + chain.length + " certificate(s):");  
        System.out.println();  
        MessageDigest sha1 = MessageDigest.getInstance("SHA1");  
        MessageDigest md5 = MessageDigest.getInstance("MD5");  
        for (int i = 0; i < chain.length; i++) {  
            X509Certificate cert = chain[i];  
            System.out.println(" " + (i + 1) + " Subject "  
                    + cert.getSubjectDN());  
            System.out.println("   Issuer  " + cert.getIssuerDN());  
            sha1.update(cert.getEncoded());  
            System.out.println("   sha1    " + toHexString(sha1.digest()));  
            md5.update(cert.getEncoded());  
            System.out.println("   md5     " + toHexString(md5.digest()));  
            System.out.println();  
        }  
  
        System.out  
                .println("Enter certificate to add to trusted keystore or 'q' to quit: [1]");  
        String line = reader.readLine().trim();  
        int k;  
        try {  
            k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;  
        } catch (NumberFormatException e) {  
            System.out.println("KeyStore not changed");  
            return;  
        }  
  
        X509Certificate cert = chain[k];  
        String alias = host + "-" + (k + 1);  
        ks.setCertificateEntry(alias, cert);  
  
        OutputStream out = new FileOutputStream("jssecacerts");  
        ks.store(out, passphrase);  
        out.close();  
  
        System.out.println();  
        System.out.println(cert);  
        System.out.println();  
        System.out  
                .println("Added certificate to keystore 'jssecacerts' using alias '"  
                        + alias + "'");  
    }  
  
    private static final char[] HEXDIGITS = "0123456789abcdef".toCharArray();  
  
    private static String toHexString(byte[] bytes) {  
        StringBuilder sb = new StringBuilder(bytes.length * 3);  
        for (int b : bytes) {  
            b &= 0xff;  
            sb.append(HEXDIGITS[b >> 4]);  
            sb.append(HEXDIGITS[b & 15]);  
            sb.append(' ');  
        }  
        return sb.toString();  
    }  
  
    private static class SavingTrustManager implements X509TrustManager {  
  
        private final X509TrustManager tm;  
        private X509Certificate[] chain;  
  
        SavingTrustManager(X509TrustManager tm) {  
            this.tm = tm;  
        }  
  
        public X509Certificate[] getAcceptedIssuers() {  
            throw new UnsupportedOperationException();  
        }  
  
        public void checkClientTrusted(X509Certificate[] chain, String authType)  
                throws CertificateException {  
            throw new UnsupportedOperationException();  
        }  
  
        public void checkServerTrusted(X509Certificate[] chain, String authType)  
                throws CertificateException {  
            this.chain = chain;  
            tm.checkServerTrusted(chain, authType);  
        }  
    }  
  
}

编译并运行

javac InstallCert.java

java InstallCert iot.conet.com

输入1,回车

当前的目下生成 jssecacerts 文件

导入证书

复制证书文件jssecacerts到Java安装路径\\jre\\lib\\security下

重启项目

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