WSO2 ESB 中的 PKIX 路径构建失败

Question

当调用 REST API（假设调用后端 twitter API）时，我在 WSO2 ESB 中遇到以下异常。我正在按照这篇博文中给出的步骤进行操作。twitter 安全证书已成功导入到 wso2 密钥存储中。这会是什么原因呢？我正在使用 wso2 esb 4.8.1 版本。

ERROR - TargetHandler I/O error: General SSLEngine problem
javax.net.ssl.SSLHandshakeException: General SSLEngine problem
    at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1290)
    at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:513)
    at sun.security.ssl.SSLEngineImpl.writeAppRecord(SSLEngineImpl.java:1177)
    at sun.security.ssl.SSLEngineImpl.wrap(SSLEngineImpl.java:1149)
    at javax.net.ssl.SSLEngine.wrap(SSLEngine.java:469)
    at org.apache.http.nio.reactor.ssl.SSLIOSession.doWrap(SSLIOSession.java:220)
    at org.apache.http.nio.reactor.ssl.SSLIOSession.doHandshake(SSLIOSession.java:254)
    at org.apache.http.nio.reactor.ssl.SSLIOSession.isAppInputReady(SSLIOSession.java:380)
    at org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:118)
    at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:160)
    at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:342)
    at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:320)
    at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:280)
    at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:106)
    at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:604)
    at java.lang.Thread.run(Thread.java:745)
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
    at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1683)
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:278)
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:270)
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1341)
    at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153)
    at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868)
    at sun.security.ssl.Handshaker$1.run(Handshaker.java:808)
    at sun.security.ssl.Handshaker$1.run(Handshaker.java:806)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1227)
    at org.apache.http.nio.reactor.ssl.SSLIOSession.doRunTask(SSLIOSession.java:238)
    at org.apache.http.nio.reactor.ssl.SSLIOSession.doHandshake(SSLIOSession.java:270)
    ... 9 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:385)
    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:326)
    at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:283)
    at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:138)
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1328)
    ... 17 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:196)
    at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:268)
    at sun.security.validator.PKIXValidator.doB`enter code here`uild(PKIXValidator.java:380)
    ... 23 more

Answer 1

出口证书

转到https://YOUR_SERVER_HOST.com/，单击地址栏上的锁图标，单击“连接”选项卡，然后单击链接“证书信息”。从“证书查看器”中，选择“详细信息”选项卡，然后单击“导出”按钮并将证书 (YOUR_SERVER_HOST.com) 下载到首选位置。

使用以下命令导入到 wso2esb“client-truststore”

$ cd %WSO2_HOME%/存储库/资源/安全

$ keytool -importcert -file $path/YOUR_SERVER_HOST.com.cer -keystore client-truststore.jks -alias "YOUR_SERVER_HOST.com"

询问时使用密码“wso2carbon”