Hi,
I am trying synchronize the contacts created in some CRM system with
Google Contacts.
i.e. whenever a contact is getting added/deleted/modified in CRM it
should get reflected in GoogleContacts. I am using two legged
authentication for the same.
I was able to achieve addContact and UpdateContact functionality.
But when I am trying to delete a contact (i.e. Domain shared contact)
from Google its throws following exception.
java.lang.NullPointerException: No authentication header information
at
com.google.gdata.util.AuthenticationException.initFromAuthHeader(AuthenticationException.java:
96)
at
com.google.gdata.util.AuthenticationException.<init>(AuthenticationException.java:
67)
at
com.google.gdata.client.http.HttpGDataRequest.handleErrorResponse(HttpGDataRequest.java:
564)
at
com.google.gdata.client.http.GoogleGDataRequest.handleErrorResponse(GoogleGDataRequest.java:
543)
at
com.google.gdata.client.http.HttpGDataRequest.checkResponse(HttpGDataRequest.java:
536)
at
com.google.gdata.client.http.HttpGDataRequest.execute(HttpGDataRequest.java:
515)
at
com.google.gdata.client.http.GoogleGDataRequest.execute(GoogleGDataRequest.java:
515)
at com.google.gdata.client.Service.delete(Service.java:1560)
at com.google.gdata.client.GoogleService.delete(GoogleService.java:
691)
at com.google.gdata.data.BaseEntry.delete(BaseEntry.java:647)
at
com.visy.connector.synchronizer.impl.ContactSynchronizerImpl.deleteContact(ContactSynchronizerImpl.java:
160)
at com.visy.connector.TestServlet.doGet(TestServlet.java:58)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
511)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1166)
at
com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:
35)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:
58)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
43)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:
122)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:
97)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
388)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
418)
at
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:
70)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at com.google.appengine.tools.development.JettyContainerService
$ApiProxyHandler.handle(JettyContainerService.java:351)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
542)
at org.mortbay.jetty.HttpConnection
$RequestHandler.headerComplete(HttpConnection.java:923)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
409)
at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:582)
Below is the code I am using for deleteContact.
//For Two legged Authentication
GoogleOAuthParameters oauthParameters = new GoogleOAuthParameters();
oauthParameters.setScope(Scope);
oauthParameters.setOAuthConsumerKey(ConsumerKey);
oauthParameters.setOAuthConsumerSecret(secret);
OAuthSigner signer = new OAuthHmacSha1Signer();
ContactsService myService = new ContactsService(serviceName);
myService.setOAuthCredentials(oauthParameters, signer);
String FEED_URL = http://www.google.com/m8/feeds/contacts/domain/full;
String urlStr = FEED_URL + "/" + contactId + "?xoauth_requestor_id=" +
domainAdminEmail;
contact = myService.getEntry(new URL(urlStr), ContactEntry.class,
contactId);
contact.delete();
Kindly help me out to figure out what might have gone wrong with the
code.
Regards,
Nirzari
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