Hi Yannick, Do you recommend another library to take care of authentication in Java 8 - App Engine Standard ?
On Friday, July 14, 2017 at 3:47:54 PM UTC+2, Yannick (Cloud Platform Support) wrote: > > From what I've gathered it does appear that the status of these client > libraries hasn't changed and they are still incompatible with App Engine > Standard, though they should work on App Engine Flexible. You're also of > course free to use them on Compute Engine. > > On Thursday, July 13, 2017 at 10:13:06 PM UTC-4, Anand Srinivasan wrote: >> >> We have not used it before. We were attempting to use it now and while >> reading the documentation realized that we could try switching to java 8 at >> the same time. Did you manage to find out about the status of it being >> supported on Appengine standard? >> >> Thanks, >> Anand >> >> On Friday, July 14, 2017 at 2:30:40 AM UTC+5:30, Yannick (Cloud Platform >> Support) wrote: >>> >>> Hello Anand, >>> >>> Could you tell me if you were able to use the Natural Language API >>> before? If so how were you doing it? Did you ever use it on App Engine >>> standard? >>> >>> Also are you able to use the Natural Language API through REST on Java 8 >>> standard? >>> >>> On Thursday, July 13, 2017 at 1:03:48 PM UTC-4, Yannick (Cloud Platform >>> Support) wrote: >>>> >>>> Hello Anand, >>>> >>>> Whenever you find a reproducible error we strongly encourage that you >>>> report >>>> it to our Issue Tracker >>>> <https://cloud.google.com/support/docs/issue-trackers> to help us find >>>> and fix these issues. >>>> >>>> This being said in this particular scenario it appears that the >>>> Language API is not yet supported on App Engine Standard >>>> <https://www.google.com/url?q=https%3A%2F%2Fgithub.com%2FGoogleCloudPlatform%2Fjava-docs-samples%2Ftree%2Fmaster%2Flanguage%2Fanalysis&sa=D&sntz=1&usg=AFQjCNEXwDMvkdNVygr7Ye86sAvPqspObA>. >>>> >>>> I will attempt to find out if the release of Java 8 for App Engine >>>> standard >>>> was meant to change this state of affairs. >>>> >>>> >>>> On Wednesday, July 12, 2017 at 7:38:25 AM UTC-4, Anand Srinivasan wrote: >>>>> >>>>> We recently started looking into switching to java 8 so that we can >>>>> use the myriad benefits that it offers including grpc. We tried using >>>>> grpc >>>>> for the google cloud natural language API but we were unable to get that >>>>> to >>>>> work. Here is the stack trace that we hit when trying to make the >>>>> analyzeSentiment call. >>>>> >>>>> com.google.api.server.spi.SystemService invokeServiceMethod: exception >>>>> occurred while calling backend method (SystemService.java:398 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=SystemService.java&line=398&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> com.google.api.gax.grpc.ApiException: io.grpc.StatusRuntimeException: >>>>> UNAUTHENTICATED at >>>>> com.google.api.gax.grpc.ExceptionTransformingCallable$ExceptionTransformingFuture.onFailure( >>>>> ExceptionTransformingCallable.java:108 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fapi%2Fgax%2Fgrpc%2FExceptionTransformingCallable.java&line=108&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.api.core.ApiFutures$1.onFailure(ApiFutures.java:53 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fapi%2Fcore%2FApiFutures.java&line=53&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.common.util.concurrent.Futures$4.run(Futures.java:1123 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fcommon%2Futil%2Fconcurrent%2FFutures.java&line=1123&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute( >>>>> MoreExecutors.java:435 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fcommon%2Futil%2Fconcurrent%2FMoreExecutors.java&line=435&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.common.util.concurrent.AbstractFuture.executeListener( >>>>> AbstractFuture.java:900 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fcommon%2Futil%2Fconcurrent%2FAbstractFuture.java&line=900&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.common.util.concurrent.AbstractFuture.complete( >>>>> AbstractFuture.java:811 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fcommon%2Futil%2Fconcurrent%2FAbstractFuture.java&line=811&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.common.util.concurrent.AbstractFuture.setException( >>>>> AbstractFuture.java:675 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fcommon%2Futil%2Fconcurrent%2FAbstractFuture.java&line=675&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.stub.ClientCalls$GrpcFuture.setException( >>>>> ClientCalls.java:466 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Fstub%2FClientCalls.java&line=466&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose( >>>>> ClientCalls.java:442 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Fstub%2FClientCalls.java&line=442&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.internal.ClientCallImpl.closeObserver( >>>>> ClientCallImpl.java:426 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FClientCallImpl.java&line=426&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.internal.ClientCallImpl.access$100(ClientCallImpl.java:76 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FClientCallImpl.java&line=76&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close( >>>>> ClientCallImpl.java:512 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FClientCallImpl.java&line=512&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$700( >>>>> ClientCallImpl.java:429 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FClientCallImpl.java&line=429&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at >>>>> io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext( >>>>> ClientCallImpl.java:544 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FClientCallImpl.java&line=544&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:52 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FContextRunnable.java&line=52&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.internal.SerializingExecutor.run( >>>>> SerializingExecutor.java:117 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Finternal%2FSerializingExecutor.java&line=117&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at >>>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) at >>>>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) >>>>> >>>>> at >>>>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:295) >>>>> >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) >>>>> >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) >>>>> >>>>> at java.lang.Thread.run(Thread.java:745) Caused by: >>>>> io.grpc.StatusRuntimeException: UNAUTHENTICATED at >>>>> io.grpc.Status.asRuntimeException(Status.java:543 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2FStatus.java&line=543&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> ... 15 more Caused by: java.io.IOException: Could not get the access >>>>> token. >>>>> at com.google.auth.oauth2.AppEngineCredentials.refreshAccessToken( >>>>> AppEngineCredentials.java:136 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fauth%2Foauth2%2FAppEngineCredentials.java&line=136&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.auth.oauth2.OAuth2Credentials.refresh( >>>>> OAuth2Credentials.java:149 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fauth%2Foauth2%2FOAuth2Credentials.java&line=149&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at com.google.auth.oauth2.OAuth2Credentials.getRequestMetadata( >>>>> OAuth2Credentials.java:135 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fauth%2Foauth2%2FOAuth2Credentials.java&line=135&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> at io.grpc.auth.GoogleAuthLibraryCallCredentials$1.run( >>>>> GoogleAuthLibraryCallCredentials.java:110 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=io%2Fgrpc%2Fauth%2FGoogleAuthLibraryCallCredentials.java&line=110&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> ... 7 more Caused by: java.lang.reflect.InvocationTargetException at >>>>> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at >>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >>>>> >>>>> at >>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>>>> >>>>> at java.lang.reflect.Method.invoke(Method.java:498) at >>>>> com.google.auth.oauth2.AppEngineCredentials.refreshAccessToken( >>>>> AppEngineCredentials.java:131 >>>>> <https://console.cloud.google.com/debug/fromlog?appModule=default&appVersion=aniruddha2&file=com%2Fgoogle%2Fauth%2Foauth2%2FAppEngineCredentials.java&line=131&logInsertId=5965ffa200005d6159bb2c7b&logNanos=1499856800011609000&nestedLogIndex=45&project=village-test>) >>>>> >>>>> ... 10 more Caused by: >>>>> com.google.apphosting.api.ApiProxy$CallNotFoundException: Can't make API >>>>> call memcache.Get in a thread that is neither the original request thread >>>>> nor a thread created by ThreadManager at >>>>> com.google.apphosting.api.ApiProxy$CallNotFoundException.foreignThread(ApiProxy.java:844) >>>>> >>>>> at com.google.apphosting.api.ApiProxy$1.get(ApiProxy.java:183) at >>>>> com.google.apphosting.api.ApiProxy$1.get(ApiProxy.java:180) at >>>>> com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:93) >>>>> at >>>>> com.google.appengine.api.memcache.MemcacheServiceImpl.quietGet(MemcacheServiceImpl.java:28) >>>>> >>>>> at >>>>> com.google.appengine.api.memcache.MemcacheServiceImpl.get(MemcacheServiceImpl.java:51) >>>>> >>>>> at >>>>> com.google.appengine.api.appidentity.AppIdentityServiceImpl.getAccessToken(AppIdentityServiceImpl.java:300) >>>>> >>>>> ... 15 more >>>>> >>>>> The stack trace looks similar to the one posted in this link: >>>>> https://github.com/GoogleCloudPlatform/google-cloud-java/issues/1918#issuecomment-299004772. >>>>> >>>>> It's unclear from the discussion there whether this issue was ever fixed. >>>>> In either case, what can we do to get around this? >>>>> >>>>> Thanks, >>>>> Anand >>>>> >>>> -- *"This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. 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