Submitter is using SSL between OIM to OIM connector server,most of the times the handshake goes but after many requests it fails with "No X509TrustManager implementation available error" which is thrown from jdk.

We are using the custom trust store in this.Intermittently we are getting
Caused by: java.security.cert.CertificateException: No X509TrustManager
implementation available
at com.sun.net.ssl.internal.ssl.DummyX509TrustManager.checkServerTrusted(SSLContextImpl.java:232)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1201)