在android studio代码中，我们使用密钥和信任，根据我们创建的bks（emmtruststore.bks）文件并粘贴在原始文件夹中的文档
我们在设备注册过程中遇到以下错误
安卓工作室的错误日志
03-30 11:36:11.930 2200-2817/org.wso2.em.agent I/System.out:URL:https://192.168.4.216:9443/dynamic-客户端web/注册
03-30 11:36:12.135 2200-2817/org.wso2.emm.agent E/ServerUtilities: Error occurred while sending 'Post' request due to failure of server connection
03-30 11:36:12.135 2200-2817/org.wso2.emm.agent E/DynamicClientManager: Failed to contact server
org.wso2.emm.agent.proxy.IDPTokenManagerException: Error occurred while sending 'Post' request due to failure of server connection
at org.wso2.emm.agent.proxy.utils.ServerUtilities.sendPostRequest(ServerUtilities.java:325)
at org.wso2.emm.agent.proxy.utils.ServerUtilities.postData(ServerUtilities.java:151)
at org.wso2.emm.agent.services.DynamicClientManager$SendRequest.doInBackground(DynamicClientManager.java:144)
at org.wso2.emm.agent.services.DynamicClientManager$SendRequest.doInBackground(DynamicClientManager.java:132)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: javax.net.ssl.SSLPeerUnverifiedException: No peer certificate
at com.android.org.conscrypt.SSLSessionImpl.getPeerCertificates(SSLSessionImpl.java:146)
at org.apache.http.conn.ssl.AbstractVerifier.verify(AbstractVerifier.java:93)
at org.apache.http.conn.ssl.SSLSocketFactory.createSocket(SSLSocketFactory.java:388)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:165)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:670)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:509)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
at org.wso2.emm.agent.proxy.utils.ServerUtilities.sendPostRequest(ServerUtilities.java:307)
at org.wso2.emm.agent.proxy.utils.ServerUtilities.postData(ServerUtilities.java:151)
at org.wso2.emm.agent.services.DynamicClientManager$SendRequest.doInBackground(DynamicClientManager.java:144)
at org.wso2.emm.agent.services.DynamicClientManager$SendRequest.doInBackground(DynamicClientManager.java:132)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
03-30 11:36:12.135 2200-2200/org.wso2.emm.agent E/AuthenticationActivity: error occurred while retrieving client credentials
由于您通过HTTPS访问API，因此您的客户端必须拥有自己的信任库。为此，您可以使用EMM的密钥库作为信任库。或者，您可以创建自己的信任库。
System.setProperty("javax.net.ssl.trustStore", "$EMM_HOME/repository/resources/security/wso2carbon.jks");
System.setProperty("javax.net.ssl.trustStorePassword", "wso2carbon");
System.setProperty("javax.net.ssl.trustStoreType", "JKS");