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 >>> >> -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/9dab09f4-59d3-4b8f-99ad-1a3126d95315%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.