I am facing issue in running a servlet to fetch data from DFP Java API,
Here is the complete code...
**********************************************************************************************************************
package com.lin.web.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.google.api.ads.common.lib.exception.ValidationException;
import com.google.api.ads.dfp.appengine.oauth.CredentialException;
import com.google.api.ads.dfp.jaxws.factory.DfpServices;
import com.google.api.ads.dfp.jaxws.v201302.ApiException_Exception;
import com.google.api.ads.dfp.jaxws.v201302.Network;
import com.google.api.ads.dfp.jaxws.v201302.NetworkServiceInterface;
import com.google.api.ads.dfp.lib.client.DfpSession;
import com.lin.web.util.ClientLoginAuth;
import com.lin.web.util.LinMobiileProperties;
import com.lin.web.util.LinMobileConstants;
@SuppressWarnings("serial")
public class DfpV302Servlet extends HttpServlet {
private static final Logger log =
Logger.getLogger(DfpV302Servlet.class.getName());
private String clientLoginToken = null;
public void init(ServletConfig config) throws ServletException {
super.init(config);
try {
clientLoginToken = regenerateAuthToken();
log.info(" clientLoginToken : "+clientLoginToken);
} catch (Exception exception) {
log.severe("init(), Exception.."+exception);
exception.printStackTrace();
}
}
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws
ServletException,IOException {
log.info("started.......");
PrintWriter out=resp.getWriter();
resp.setContentType("text/plain");
out.println("============================================================");
try {
log.info("going to make DfpSession instance...");
DfpSession session = new DfpSession.Builder()
.withClientLoginToken(clientLoginToken)
.withNetworkCode(LinMobileConstants.DFP_NETWORK_CODE)
.build();
log.info("going to make DfpServices instance...");
DfpServices dfpServices = new DfpServices();
log.info("loading networks.......");
List<Network> networks = loadNetworks(dfpServices,
session);
for (Network network : networks) {
out.println(
"Network with network
code"+network.getNetworkCode()+" and display name "+
network.getDisplayName());
}
log.warning("done....");
} catch (ValidationException e) {
log.severe("ValidationException :"+e.getMessage());
e.printStackTrace();
} catch (ApiException_Exception e) {
log.severe("ApiException_Exception:"+e.getMessage());
e.printStackTrace();
} catch (CredentialException e) {
log.severe("CredentialException:"+e.getMessage());
e.printStackTrace();
}
out.println("============================================================");
}
private List<Network> loadNetworks(DfpServices dfpServices,DfpSession
session) throws ValidationException, ApiException_Exception,
CredentialException{
NetworkServiceInterface networkService =
dfpServices.get(session, NetworkServiceInterface.class);
log.info("Fetching networks.......");
List<Network> networks = networkService.getAllNetworks();
return networks;
}
public String regenerateAuthToken() throws Exception {
String clientLoginToken=LinMobiileProperties.getAuthToken();
if(clientLoginToken ==null){
ClientLoginAuth clientLoginAuth = new
ClientLoginAuth(LinMobileConstants.EMAIL_ADDRESS,
LinMobileConstants.EMAIL_PASSWORD);
clientLoginToken =clientLoginAuth.getAuthToken();
LinMobiileProperties.setAuthToken(clientLoginToken);
}
return clientLoginToken;
}
}
***********************************************************************************************************************
Here is the following exception: (comes at List<Network> networks =
networkService.getAllNetworks(); )
INFO: Fetching networks.......
Jun 26, 2013 10:51:04 AM com.google.apphosting.utils.jetty.JettyLogger warn
WARNING: Error for /dfpLatest.do
java.lang.AbstractMethodError:
com.google.api.ads.common.lib.soap.jaxws.JaxWsHandler.putAllHttpHeaders(Ljava/lang/Object;Ljava/util/Map;)V
at
com.google.api.ads.dfp.lib.soap.DfpHttpHeaderHandler.setHttpHeaders(DfpHttpHeaderHandler.java:53)
at
com.google.api.ads.dfp.jaxws.DfpJaxWsHeaderHandler.setHeaders(DfpJaxWsHeaderHandler.java:86)
at
com.google.api.ads.dfp.jaxws.DfpJaxWsHeaderHandler.setHeaders(DfpJaxWsHeaderHandler.java:1)
at
com.google.api.ads.common.lib.client.AdsServiceClient.setHeaders(AdsServiceClient.java:111)
at
com.google.api.ads.common.lib.soap.SoapServiceClient.invoke(SoapServiceClient.java:92)
at $Proxy55.getAllNetworks(Unknown Source)
at
com.lin.web.servlet.DfpV302Servlet.loadNetworks(DfpV302Servlet.java:112)
at com.lin.web.servlet.DfpV302Servlet.doGet(DfpV302Servlet.java:83)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
at
com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:123)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:63)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.DevAppServerServersFilter.doDirectRequest(DevAppServerServersFilter.java:369)
at
com.google.appengine.tools.development.DevAppServerServersFilter.doDirectServerRequest(DevAppServerServersFilter.java:352)
at
com.google.appengine.tools.development.DevAppServerServersFilter.doFilter(DevAppServerServersFilter.java:115)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at
com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:97)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at
com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:438)
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)
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