服务端注册用户的时候出错。

我的tomcat 的版本是：7.0.68， Java version: hel-2.6.5.0.el6_7-x86_64, 操作系统是 Centos. 请问这个是什么原因？
 
javax.net.ssl.SSLException: java.security.ProviderException: java.security.KeyException
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1916)
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1874)
        at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1857)
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1378)
        at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1355)
        at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1093)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250)
        at org.glassfish.jersey.client.HttpUrlConnector$3.getOutputStream(HttpUrlConnector.java:312)
        at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:200)
        am(CommittingOutputStream.java:200)
        at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:194)
        at org.glassfish.jersey.message.internal.CommittingOutputStream.commit(CommittingOutputStream.java:262)
        at org.glassfish.jersey.message.internal.OutboundMessageContext.commitStream(OutboundMessageContext.java:811)
        at org.glassfish.jersey.client.ClientRequest.writeEntity(ClientRequest.java:543)
        at org.glassfish.jersey.client.HttpUrlConnector._apply(HttpUrlConnector.java:315)
        at org.glassfish.jersey.client.HttpUrlConnector.apply(HttpUrlConnector.java:227)
        at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:224)
        at org.glassfish.jersey.client.JerseyInvocation$2.call(JerseyInvocation.java:671)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
               at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:424)