[英]Intermittent - SunCertPathBuilderException: unable to find valid certification path to requested target
I wrote a java client to connect to Ldap over ssl. 我编写了一个Java客户端以通过ssl连接到Ldap。 I imported CA certificates to my java key store and I am able to connect Ldap over ssl and pull information.
我将CA证书导入到我的Java密钥存储中,并且能够通过ssl连接Ldap并提取信息。 The problem is it is not working always.
问题是它并不总是工作。 Often it throws:CommunicationException:sun.security.validator.ValidatorException: PKIX path building failed.
通常会抛出:CommunicationException:sun.security.validator.ValidatorException:PKIX路径构建失败。 If I re run again (with out changing anything) it works.
如果我再次运行(不做任何更改),它将起作用。
This issue killing me for days, as a work around I am catching this exception and retrying. 这个问题使我丧命了好几天,作为一种解决方法,我正在捕获此异常并重试。 But I am looking for a permanent fix.
但我正在寻找永久性的解决方案。 Any help would be greatly appreciated.
任何帮助将不胜感激。
Below is the code where I get the context: 下面是获取上下文的代码:
Hashtable<String, String> env = new Hashtable<String, String>();
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, securityPrincipal);
env.put(Context.PROVIDER_URL, url);
env.put(Context.SECURITY_CREDENTIALS, securityCredential);
env.put("java.naming.provider.url", url);
return new InitialLdapContext(env, null);
Strack Trace: 跟踪跟踪:
javax.naming.CommunicationException: simple bind failed: adapps.nms.comm:636 [Root 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.jndi.ldap.LdapClient.authenticate(LdapClient.java:215)
at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2685)
at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:306)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:193)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:211)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:154)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:84)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:305)
at javax.naming.InitialContext.init(InitialContext.java:240)
at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:151)
at NMSLdapServiceDAOImpl.getLdapContext(NMSLdapServiceDAOImpl.java:149)
at NMSLdapServiceDAOImpl.getUserByNTID(NMSLdapServiceDAOImpl.java:97)
at NMSLdapServiceDAOImpl.main(NMSLdapServiceDAOImpl.java:287)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)
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:1682)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:257)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:251)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1168)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:609)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:545)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:930)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1175)
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:805)
at sun.security.ssl.AppInputStream.read(AppInputStream.java:94)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at com.sun.jndi.ldap.Connection.run(Connection.java:820)
at java.lang.Thread.run(Thread.java:679)
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:324)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:224)
at sun.security.validator.Validator.validate(Validator.java:235)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:147)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:230)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:270)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1147)
... 12 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:197)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:255)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:319)
... 18 more
CommunicationException:sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
javax.naming.CommunicationException: simple bind failed: adapps.nms.com:636 [Root 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.jndi.ldap.LdapClient.authenticate(LdapClient.java:215)
at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2685)
at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:306)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:193)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:211)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:154)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:84)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:305)
at javax.naming.InitialContext.init(InitialContext.java:240)
at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:151)
at NMSLdapServiceDAOImpl.getLdapContext(NMSLdapServiceDAOImpl.java:149)
at NMSLdapServiceDAOImpl.getUserByNTID(NMSLdapServiceDAOImpl.java:97)
at NMSLdapServiceDAOImpl.getUserByNTID(NMSLdapServiceDAOImpl.java:109)
at NMSLdapServiceDAOImpl.main(NMSLdapServiceDAOImpl.java:287)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)
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:1682)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:257)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:251)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1168)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:609)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:545)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:930)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1175)
at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:657)
at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:108)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at com.sun.jndi.ldap.Connection.writeRequest(Connection.java:409)
at com.sun.jndi.ldap.LdapClient.ldapBind(LdapClient.java:352)
at com.sun.jndi.ldap.LdapClient.authenticate(LdapClient.java:210)
... 19 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:324)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:224)
at sun.security.validator.Validator.validate(Validator.java:235)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:147)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:230)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:270)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1147)
... 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:197)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:255)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:319)
... 37 more
CommunicationException:sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
javax.naming.CommunicationException: simple bind failed: adapps.nms.com:636 [Root 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.jndi.ldap.LdapClient.authenticate(LdapClient.java:215)
at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2685)
at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:306)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:193)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:211)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:154)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:84)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:305)
at javax.naming.InitialContext.init(InitialContext.java:240)
at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:151)
at NMSLdapServiceDAOImpl.getLdapContext(NMSLdapServiceDAOImpl.java:149)
at NMSLdapServiceDAOImpl.getUserByNTID(NMSLdapServiceDAOImpl.java:97)
at NMSLdapServiceDAOImpl.getUserByNTID(NMSLdapServiceDAOImpl.java:109)
at NMSLdapServiceDAOImpl.getUserByNTID(NMSLdapServiceDAOImpl.java:109)
at NMSLdapServiceDAOImpl.main(NMSLdapServiceDAOImpl.java:287)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)
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:1682)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:257)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:251)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1168)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:609)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:545)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:930)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1175)
at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:657)
at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:108)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at com.sun.jndi.ldap.Connection.writeRequest(Connection.java:409)
at com.sun.jndi.ldap.LdapClient.ldapBind(LdapClient.java:352)
at com.sun.jndi.ldap.LdapClient.authenticate(LdapClient.java:210)
... 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:324)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:224)
at sun.security.validator.Validator.validate(Validator.java:235)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:147)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:230)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:270)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1147)
... 32 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:197)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:255)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:319)
... 38 more
You should import certificate of the server:port to java JRE keystore for example for following server and port: 您应该将server:port的证书导入到Java JRE密钥库,例如以下服务器和端口:
serverAddress: myserver.mydomain.com serverPort: 443 keystore password is default: changeit
First of all, check $JAVA_HOME and java executable before continue, you should be sure about the choosing correct JAVA_HOME for importing , if you have different ones: 首先,在继续之前检查$ JAVA_HOME和java可执行文件,如果您有不同的选择,则应该确定选择正确的JAVA_HOME进行导入:
$ ~/bin$ echo $JAVA_HOME /opt/jdk $ ~/bin$ which java /usr/bin/java $ ~/bin$ ls -l /usr/bin/java lrwxrwxrwx 1 root root 22 May 10 2014 /usr/bin/java -> /etc/alternatives/java $ ~/bin$ ls -l /etc/alternatives/java lrwxrwxrwx 1 root root 17 Jun 6 2014 /etc/alternatives/java -> /opt/jdk/bin/java $ ~/bin$ java -version java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode) $ ~/bin$ `which java` -version java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode) $ ~/bin$ $JAVA_HOME/bin/java -version java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode)
Extracting certificate from the server: 从服务器提取证书:
$ openssl s_client -connect <serverAddress:serverPort> 2>&1 < "/" | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /tmp/myserver.crt
For this example <serverAddress:serverPort>
should be replaced with myserver.mydomain.com:443
对于此示例,
<serverAddress:serverPort>
应该替换为myserver.mydomain.com:443
The extracted file should be look like as follows: 提取的文件应如下所示:
$ cat /tmp/myserver.crt -----BEGIN CERTIFICATE----- blahblahblahaC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCd ME22AKpyBPIRbTwTBedJz/KFtwCAxO2jXIcIob99LXv8W4KMOJgazn2UUBm/azZ1 z+9qhq3UeIy8Z58WK2N5l/SI7s3+bkii/dnpW3Akw8OyXABnN1EyfwnL607POqXm blahblahblah ...Certificate Data is variable for each server address... blahblahblah blahblahblahT9p1jar2vxoHv3/dSwKoeLL8XpkmVx9oVUZ3XuICPvEmu8eBfOEm ZXNlYXJjaC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCd4I7L ME22AKpyBPIRbTwTBedJz/KFtwCAxO2jXIcIob99LXv8W4KMOJgazn2UUBm/azZ1 -----END CERTIFICATE-----
You need to import the extracted certificate into JRE keystore: 您需要将提取的证书导入到JRE密钥库中:
$ keytool -import -alias myserverCert -file /tmp/myserver.crt -keystore $JAVA_HOME/jre/lib/security/cacerts
You can check that the certification existence in java JRE keystore or not after the import: 您可以在导入后检查Java JRE密钥库中是否存在认证:
$ keytool -list -keystore $JAVA_HOME/jre/lib/security/cacerts
Default password for java JRE keystore is Java JRE密钥库的默认密码是
changeit 更改
For applying the changes you need to restart the java JVM. 为了应用更改,您需要重新启动 Java JVM。
After finish you can remove the temporary file if you had created it in a non temporary place: 完成后,如果您在非临时位置创建了临时文件,则可以将其删除:
$ rm /tmp/myserver.crt
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