java.lang.RuntimeException

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    • java.lang.RuntimeException: java.io.NotSerializableException: org.springframework.social.connect.support.OAuth2Connection at com.google.appengine.tools.development.SerializableObjectsOnlyHashSessionManager$SerializableObjectsOnlyHttpSession.checkCanSerialize(SerializableObjectsOnlyHashSessionManager.java:66) at com.google.appengine.tools.development.SerializableObjectsOnlyHashSessionManager$SerializableObjectsOnlyHttpSession.setAttribute(SerializableObjectsOnlyHashSessionManager.java:43) at org.springframework.security.web.context.HttpSessionSecurityContextRepository$SaveToSessionResponseWrapper.saveContext(HttpSessionSecurityContextRepository.java:289) at org.springframework.security.web.context.HttpSessionSecurityContextRepository.saveContext(HttpSessionSecurityContextRepository.java:104) at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:93)
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