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vinsguru-blog-code-samples's Issues

java.nio.file.NoSuchFileException: C:\Users\pc\Documents\workspace-JavaProgram-Techie\webflux-file-upload\.\src\main\resources\upload\IMG_20171124_140559.jpg at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85) ~[na:na]

I am getting below error for the example - webflux-file-upload

user : Michael
Received File : IMG_20171124_140559.jpg
�[2m2021-05-26 15:52:38.512�[0;39m �[31mERROR�[0;39m �[35m14408�[0;39m �[2m---�[0;39m �[2m[oundedElastic-1]�[0;39m �[36ma.w.r.e.AbstractErrorWebExceptionHandler�[0;39m �[2m:�[0;39m [09da3102-3]  500 Server Error for HTTP POST "/upload/file/single"

java.nio.file.NoSuchFileException: C:\Users\pc\Documents\workspace-JavaProgram-Techie\webflux-file-upload\.\src\main\resources\upload\IMG_20171124_140559.jpg
	at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85) ~[na:na]
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
Error has been observed at the following site(s):
	|_ checkpoint ⇢ Handler com.example.demo.controller.UploadController#upload(String, Mono) [DispatcherHandler]
	|_ checkpoint ⇢ HTTP POST "/upload/file/single" [ExceptionHandlingWebHandler]
Stack trace:
		at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85) ~[na:na]
		at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:96) ~[na:na]
		at java.base/sun.nio.fs.WindowsChannelFactory.newAsynchronousFileChannel(WindowsChannelFactory.java:209) ~[na:na]
		at java.base/sun.nio.fs.WindowsFileSystemProvider.newAsynchronousFileChannel(WindowsFileSystemProvider.java:145) ~[na:na]
		at java.base/java.nio.channels.AsynchronousFileChannel.open(AsynchronousFileChannel.java:253) ~[na:na]
		at org.springframework.core.io.buffer.DataBufferUtils.lambda$write$10(DataBufferUtils.java:364) ~[spring-core-5.3.6.jar:5.3.6]
		at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:57) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:157) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxPeek$PeekSubscriber.onNext(FluxPeek.java:199) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoNext$NextSubscriber.onNext(MonoNext.java:82) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber.drainAsync(FluxFlattenIterable.java:421) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber.drain(FluxFlattenIterable.java:686) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber.onNext(FluxFlattenIterable.java:250) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1797) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoCacheTime.subscribeOrReturn(MonoCacheTime.java:151) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:57) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:157) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1815) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap$FlatMapInner.onNext(MonoFlatMap.java:249) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:79) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxPeek$PeekSubscriber.onNext(FluxPeek.java:199) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxPeek$PeekSubscriber.onNext(FluxPeek.java:199) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.complete(MonoIgnoreThen.java:284) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.onNext(MonoIgnoreThen.java:187) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1815) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:151) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1815) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoZip$ZipCoordinator.signal(MonoZip.java:251) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoZip$ZipInner.onNext(MonoZip.java:336) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onNext(MonoPeekTerminal.java:180) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxDefaultIfEmpty$DefaultIfEmptySubscriber.onNext(FluxDefaultIfEmpty.java:100) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1815) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap$FlatMapInner.onNext(MonoFlatMap.java:249) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:73) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:79) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:127) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxContextWrite$ContextWriteSubscriber.onNext(FluxContextWrite.java:107) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxMapFuseable$MapFuseableConditionalSubscriber.onNext(FluxMapFuseable.java:295) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFilterFuseable$FilterFuseableConditionalSubscriber.onNext(FluxFilterFuseable.java:337) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1815) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoCollect$CollectSubscriber.onComplete(MonoCollect.java:159) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:2399) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoCollect$CollectSubscriber.onSubscribe(MonoCollect.java:103) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxJust.subscribe(FluxJust.java:68) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxDefer.subscribe(FluxDefer.java:54) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:64) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:157) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoNext$NextSubscriber.onNext(MonoNext.java:82) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber.drainAsync(FluxFlattenIterable.java:421) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber.drain(FluxFlattenIterable.java:686) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlattenIterable$FlattenIterableSubscriber.onNext(FluxFlattenIterable.java:250) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1797) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoCacheTime$CoordinatorSubscriber.signalCached(MonoCacheTime.java:337) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoCacheTime$CoordinatorSubscriber.onNext(MonoCacheTime.java:354) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:73) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:127) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onNext(FluxPeekFuseable.java:210) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1815) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoCollect$CollectSubscriber.onComplete(MonoCollect.java:159) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxCreate$BaseSink.complete(FluxCreate.java:439) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxCreate$BufferAsyncSink.drain(FluxCreate.java:784) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxCreate$BufferAsyncSink.complete(FluxCreate.java:732) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxCreate$SerializedFluxSink.drainLoop(FluxCreate.java:240) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxCreate$SerializedFluxSink.drain(FluxCreate.java:206) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxCreate$SerializedFluxSink.complete(FluxCreate.java:197) ~[reactor-core-3.4.5.jar:3.4.5]
		at org.springframework.http.codec.multipart.PartGenerator.emitComplete(PartGenerator.java:213) ~[spring-web-5.3.6.jar:5.3.6]
		at org.springframework.http.codec.multipart.PartGenerator$IdleFileState.partComplete(PartGenerator.java:677) ~[spring-web-5.3.6.jar:5.3.6]
		at org.springframework.http.codec.multipart.PartGenerator$WritingFileState.writeComplete(PartGenerator.java:768) ~[spring-web-5.3.6.jar:5.3.6]
		at reactor.core.publisher.LambdaMonoSubscriber.onComplete(LambdaMonoSubscriber.java:135) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.onComplete(MonoSubscribeOn.java:162) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Operators.complete(Operators.java:136) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.FluxFlatMap.trySubscribeScalarMap(FluxFlatMap.java:195) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoFlatMap.subscribeOrReturn(MonoFlatMap.java:53) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.Mono.subscribe(Mono.java:4135) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.4.5.jar:3.4.5]
		at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.4.5.jar:3.4.5]
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na]
		at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na]
		at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) ~[na:na]
		at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) ~[na:na]
		at java.base/java.lang.Thread.run(Thread.java:832) ~[na:na]

Dont find refresh_mat_view() function signature

Hi,
Please add missing refresh_mat_view(); function signature in the code.

OrchestratorService::orderProduct() is not getting called

Hi vinsguru,

OrchestratorService::orderProduct() is not getting called. Below are the steps I am following:

I run inventory-service, payment-service, order-service, order-orchestrator
Using a breakpoint, I see that OrchestratorConfig::processor() correctly gets called
Then I run http://localhost:8080/order/create. This correctly returns “status”:”ORDER_CREATED”
However, the problem is OrchestratorService::orderProduct(), which is called by OrchestratorConfig::processor(), is not getting called.

Is there a problem with flux subscription in OrchestratorConfig::processor()?

Could you please add more tutorials on reactive kafka?

Looks like this code not working well.

grpc-vs-rest project fails to build

Running
mvn clean install
in vinsguru-blog-code-samples/grpc/grpc-vs-rest results in the following errors

[INFO] 8 errors 
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for grpc-vs-rest 1.0-SNAPSHOT:
[INFO] 
[INFO] grpc-vs-rest ....................................... SUCCESS [  0.442 s]
[INFO] proto .............................................. SUCCESS [  2.200 s]
[INFO] rest-service ....................................... SUCCESS [  0.772 s]
[INFO] grpc-service ....................................... FAILURE [  0.314 s]
[INFO] aggregator-service ................................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  4.045 s
[INFO] Finished at: 2020-12-21T12:08:21+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project grpc-service: Compilation failure: Compilation failure: 
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[15,52] package CPUIOServiceGrpc does not exist
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[69,26] cannot find symbol
[ERROR]   symbol:   class ReadRequest
[ERROR]   location: class com.vinsguru.square.service.MyGrpcService
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[69,62] cannot find symbol
[ERROR]   symbol:   class ReadResponse
[ERROR]   location: class com.vinsguru.square.service.MyGrpcService
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[20,5] method does not override or implement a method from a supertype
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[30,5] method does not override or implement a method from a supertype
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[44,5] method does not override or implement a method from a supertype
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[68,5] method does not override or implement a method from a supertype
[ERROR] /Users/troup/tmp/vinsguru-blog-code-samples/grpc/grpc-vs-rest/grpc-service/src/main/java/com/vinsguru/square/service/MyGrpcService.java:[77,37] cannot find symbol
[ERROR]   symbol:   variable ReadResponse
[ERROR]   location: class com.vinsguru.square.service.MyGrpcService

Can you please add detailed readme for each project to better understand your project?

How to Run Projects

It would be good and helpful if there is any project execution steps/ information available. There is no any information as such which project execute first then so on.

doubt

Is this solution with filters and interceptor being used in any project in production?

How to Update Cascade Object

Spring boot application is not able to connect to Postgres using docker-compose

https://stackoverflow.com/questions/70708126/org-postgresql-util-psqlexception-fatal-password-authentication-failed-for-use

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