我正在尝试使用提供的示例“SendEventX509.java”发送消息，但我遇到问题。下面提到的堆栈跟踪

Question

我正在尝试使用提供的示例“SendEventX509.java”发送消息，但我面临问题。下面提到的堆栈跟踪操作系统-Windows 10

使用的Java运行时：JDK 11.0.3

使用的SDK版本：物联网中心Java设备SDK 1.17.5

“中提供的样本”https://github.com/Azure/azure-iot-sdk-java/blob/master/device/iot-device-samples/send-event-x509/src/main/java/samples/com/microsoft/azure/sdk/iot/SendEventX509.java"

证书是从“预配 X509CertGen.java”生成的，并且设备已成功注册并通过 X509 证明在 IoTHub 中预配。

问题的控制台日志：

Exception in thread "main" java.io.IOException: Could not open the connection
at com.microsoft.azure.sdk.iot.device.DeviceIO.open(DeviceIO.java:164)
at com.microsoft.azure.sdk.iot.device.InternalClient.open(InternalClient.java:130)
at com.microsoft.azure.sdk.iot.device.DeviceClient.open(DeviceClient.java:317)
at samples.com.microsoft.azure.sdk.iot.SendEventX509.main(SendEventX509.java:136)
Caused by: com.microsoft.azure.sdk.iot.device.exceptions.TransportException: java.io.IOException: java.security.KeyStoreException: Key protection algorithm not found: java.security.UnrecoverableKeyException: Encrypt Private Key failed: password has been cleared
at com.microsoft.azure.sdk.iot.device.transport.mqtt.MqttIotHubConnection.open(MqttIotHubConnection.java:204)
at com.microsoft.azure.sdk.iot.device.transport.IotHubTransport.openConnection(IotHubTransport.java:700)
at com.microsoft.azure.sdk.iot.device.transport.IotHubTransport.open(IotHubTransport.java:280)
at com.microsoft.azure.sdk.iot.device.DeviceIO.open(DeviceIO.java:160)
... 3 more
Caused by: java.io.IOException: java.security.KeyStoreException: Key protection algorithm not found: java.security.UnrecoverableKeyException: Encrypt Private Key failed: password has been cleared
at com.microsoft.azure.sdk.iot.device.auth.IotHubX509SoftwareAuthenticationProvider.getSSLContext(IotHubX509SoftwareAuthenticationProvider.java:66)
at com.microsoft.azure.sdk.iot.device.transport.mqtt.MqttIotHubConnection.open(MqttIotHubConnection.java:125)
... 6 more
Caused by: java.security.KeyStoreException: Key protection algorithm not found: java.security.UnrecoverableKeyException: Encrypt Private Key failed: password has been cleared
at java.base/sun.security.pkcs12.PKCS12KeyStore.setKeyEntry(PKCS12KeyStore.java:704)
at java.base/sun.security.pkcs12.PKCS12KeyStore.engineSetKeyEntry(PKCS12KeyStore.java:601)
at java.base/sun.security.util.KeyStoreDelegator.engineSetKeyEntry(KeyStoreDelegator.java:111)
at java.base/java.security.KeyStore.setKeyEntry(KeyStore.java:1174)
at com.microsoft.azure.sdk.iot.deps.auth.IotHubSSLContext.generateSSLContextWithKeys(IotHubSSLContext.java:208)
at com.microsoft.azure.sdk.iot.deps.auth.IotHubSSLContext.(IotHubSSLContext.java:168)
at com.microsoft.azure.sdk.iot.device.auth.IotHubX509SoftwareAuthenticationProvider.generateSSLContext(IotHubX509SoftwareAuthenticationProvider.java:96)
at com.microsoft.azure.sdk.iot.device.auth.IotHubX509SoftwareAuthenticationProvider.getSSLContext(IotHubX509SoftwareAuthenticationProvider.java:56)
... 7 more
Caused by: java.security.UnrecoverableKeyException: Encrypt Private Key failed: password has been cleared
at java.base/sun.security.pkcs12.PKCS12KeyStore.encryptPrivateKey(PKCS12KeyStore.java:951)
at java.base/sun.security.pkcs12.PKCS12KeyStore.setKeyEntry(PKCS12KeyStore.java:641)
... 14 more
Caused by: java.lang.IllegalStateException: password has been cleared
at java.base/javax.crypto.spec.PBEKeySpec.getPassword(PBEKeySpec.java:196)
at org.bouncycastle.jcajce.provider.symmetric.util.BCPBEKey.getPassword(Unknown Source)
at java.base/com.sun.crypto.provider.PKCS12PBECipherCore.implInit(PKCS12PBECipherCore.java:268)
at java.base/com.sun.crypto.provider.PKCS12PBECipherCore.implInit(PKCS12PBECipherCore.java:379)
at java.base/com.sun.crypto.provider.PKCS12PBECipherCore.implInit(PKCS12PBECipherCore.java:364)
at java.base/com.sun.crypto.provider.PKCS12PBECipherCore$PBEWithSHA1AndDESede.engineInit(PKCS12PBECipherCore.java:473)
at java.base/javax.crypto.Cipher.implInit(Cipher.java:847)
at java.base/javax.crypto.Cipher.chooseProvider(Cipher.java:901)
at java.base/javax.crypto.Cipher.init(Cipher.java:1576)
at java.base/javax.crypto.Cipher.init(Cipher.java:1507)
at java.base/sun.security.pkcs12.PKCS12KeyStore.encryptPrivateKey(PKCS12KeyStore.java:934)
... 15 more

请帮助解决此问题

Answer 1

从Java 9开始，默认的密钥库类型已经从jks更改为pkcs12。看起来上面的azure SDK代码可以与JKS密钥库一起正常工作。你有两个选择:

>

在 Java 11 jdk/jre 安装中将密钥库类型更改为 java.安全性文件中的 jks。这将对所有应用程序产生更广泛的影响。所以要小心。

如果已从 github 克隆了 Azure 样本的完整存储库，请更改“”，并获取 JKS 密钥库的实例，而不是默认密钥库。所以改变：

KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());

到

KeyStore keystore = KeyStore.getInstance("jks");

希望这会对你有帮助。