Hello Yannick, Can you confirm the status of Natural Language client library with java 8 standard?
On Monday, July 17, 2017 at 6:42:44 PM UTC+5:30, Yannick (Cloud Platform Support) wrote: > > Hello Emmanuel, it's not clear what kind of authentication you're talking > about? If you're not talking about using the Natural Language API on Java 8 > please create another discussion thread with context for what you want to > discuss. > > On Monday, July 17, 2017 at 8:25:47 AM UTC-4, Emmanuel Charon wrote: >> >> 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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