NPE when running quick start sample app for java

[mron0210]

java.lang.NullPointerException

        at net.oauth.jsontoken.crypto.AsciiStringVerifier.verifySignature(AsciiS

tringVerifier.java:47)

        at net.oauth.jsontoken.JsonTokenParser.signatureIsValid(JsonTokenParser.

java:177)

        at net.oauth.jsontoken.JsonTokenParser.verify(JsonTokenParser.java:130)

        at net.oauth.jsontoken.JsonTokenParser.verify(JsonTokenParser.java:103)

        at net.oauth.jsontoken.JsonTokenParser.verifyAndDeserialize(JsonTokenPar

ser.java:116)

        at com.google.identitytoolkit.JsonTokenHelper.verifyAndDeserialize(JsonT

okenHelper.java:54)

        at com.google.identitytoolkit.GitkitClient.validateTokenToJson(GitkitCli

ent.java:170)

        at com.google.identitytoolkit.GitkitClient.validateToken(GitkitClient.ja

va:184)

        at com.google.identitytoolkit.GitkitClient.validateTokenInRequest(Gitkit

Client.java:218)

        at com.google.gitkit.samples.GitkitExample$LoginServlet.doGet(GitkitExam

ple.java:76)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)

        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511

)

        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:4

01)

        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:1

82)

        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:1

52)

        at org.mortbay.jetty.Server.handle(Server.java:326)

        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:54

2)

        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpCo

nnection.java:928)

        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)

        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)

        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)

        at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.

java:228)

        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.j

ava:582)

Any suggestions ? 

thanks 

[Jin Liu]

It seems the public cert of Identity Toolkit is not properly retrieved. Are you running the web server on your local development machine? If you can send your server-config.json (downloaded from Google Developers Console) to me in private email, that will be helpful for diagnose.

Thanks,

Jin

[Fabini]

I m having the same issue with my implementation, did you solve this issue? cheers!