密钥库中自签名证书无法工作。

如果密钥库中的自签名证书无法工作，则可以通过以下步骤解决：

1. 确保生成密钥库时使用了正确的密码，并将其保存在您的应用程序中。

2. 确保将自签名证书正确导入到密钥库中。如果您不确定如何导入证书，请参阅以下示例代码：

KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
InputStream is = new FileInputStream("path/to/keystore");
keyStore.load(is, "keystore_password".toCharArray());

// Load self-signed certificate
InputStream certIs = new FileInputStream("path/to/certificate");
CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
X509Certificate certificate = (X509Certificate) certificateFactory.generateCertificate(certIs);

// Add certificate to keystore
keyStore.setCertificateEntry("alias", certificate);

// Save updated keystore
OutputStream os = new FileOutputStream("path/to/keystore");
keyStore.store(os, "keystore_password".toCharArray());

3. 确保将正确的密钥库和密码用于SSL套接字工厂，如下所示：

KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
InputStream is = new FileInputStream("path/to/keystore");
keyStore.load(is, "keystore_password".toCharArray());

SSLContext sslContext = SSLContext.getInstance("TLS");
KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
keyManagerFactory.init(keyStore, "keystore_password".toCharArray());
sslContext.init(keyManagerFactory.getKeyManagers(), null, null);

SSLSocketFactory socketFactory = sslContext.getSocketFactory();

通过执行以上步骤，您应该能够成功使用密钥库中的自签名证书。