reactor-core | Non-Blocking Reactive Foundation for the JVM | Reactive Programming library

 by   reactor Java Version: 3.6.4 License: Apache-2.0

kandi X-RAY | reactor-core Summary

kandi X-RAY | reactor-core Summary

reactor-core is a Java library typically used in Programming Style, Reactive Programming applications. reactor-core has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has medium support. You can download it from GitHub, Maven.

Non-Blocking Reactive Streams Foundation for the JVM both implementing a Reactive Extensions inspired API and efficient event streaming support. Since 3.3.x, this repository also contains reactor-tools, a java agent aimed at helping with debugging of Reactor code.
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            kandi-support Support

              reactor-core has a medium active ecosystem.
              It has 4551 star(s) with 1117 fork(s). There are 177 watchers for this library.
              There were 10 major release(s) in the last 6 months.
              There are 90 open issues and 1593 have been closed. On average issues are closed in 46 days. There are 30 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of reactor-core is 3.6.4

            kandi-Quality Quality

              reactor-core has 0 bugs and 0 code smells.

            kandi-Security Security

              reactor-core has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              reactor-core code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              reactor-core is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              reactor-core releases are available to install and integrate.
              Deployable package is available in Maven.
              Build file is available. You can build the component from source.
              Installation instructions, examples and code snippets are available.
              It has 182209 lines of code, 15442 functions and 920 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed reactor-core and discovered the below as its top functions. This is intended to give you an instant insight into reactor-core implemented functionality, and help decide if they suit your requirements.
            • Emit the next value
            • Emit an error event
            • Emits empty messages
            • Adds an entry to the queue
            • Returns a free item free from the queue
            • Emit the given value
            • Emit an empty emission
            • Scans the core subscriber interface
            • Subscribes the core subscriber
            • Inserts an element into the queue
            • Callback for onError
            • Subscribes to the given subscriber
            • Offer an item in the queue
            • If there is no subscriber return null
            • List the steps in the Scannable chain
            • Checks if there are any existing classes in the system
            • Convenience method for subclasses
            • Entry point for execution
            • Provides a convenience method for subclasses
            • Shortcut for subclasses
            • Create a deferred emit function that can be invoked once
            • Generate a companion with a single retry signal
            • Attempts to emit an event
            • Subscribes to the source
            Get all kandi verified functions for this library.

            reactor-core Key Features

            No Key Features are available at this moment for reactor-core.

            reactor-core Examples and Code Snippets

            copy iconCopy
            final ClientSecretCredential clientSecretCredential = new ClientSecretCredentialBuilder()
                .clientId()
                .clientSecret()
                .tenantId()
                .httpClient(new NettyAsyncHttpClientBuilder().proxy(
                    new ProxyOptions(ProxyOptions.Ty
            Conditional repeat or retry on Mono with webclient from Spring WebFlux
            Javadot img2Lines of Code : 28dot img2License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            // From reactor-core >= v3.3.4.RELEASE
            import reactor.util.retry.Retry;
            
            this.webClient
                    .post()
                    .uri(SERVICE_URL)
                    .body(BodyInserters.fromValue(docRequest))
                    .retrieve()
                    .bodyToMono(Document.class)

            Community Discussions

            QUESTION

            How to fix Non-resolvable import POM: com.google.cloud:spring-cloud-gcp-dependencies
            Asked 2022-Mar-24 at 20:44

            Trying to build spring-cloud-gcp from https://github.com/GoogleCloudPlatform/spring-cloud-gcp

            1. Many failed compile/install attempts due to failed tests (unit and checkstyle) - decided to just disable and/or not fail due to tests - great, that worked, entire build (all sub projects) compiled
            2. Wanted to deploy the spring-cloud-gcp-data-firestore-sample (pom is below) to Cloud run, so changed the parent reference in the pom (as suggested/documented in the pom).
            3. Now can't compile/install spring-cloud-gcp-data-firestore-sample and get this error "**Non-resolvable import POM: com.google.cloud:spring-cloud-gcp-dependencies:pom:2.3.12.RELEASE was not found in https://repo.maven.apache.org/maven2**"

            I've tried:

            1. Adding additional spring maven repos to the pom (see pom below) - no luck, and based on the error message maven doesn't even seem to be checking the added repo's
            2. referencing/using different versions of the spring-boot-starter-parent - no luck, nothing changed in the error
            3. mvn -U clean compile - no luck

            Anyone got any ideas? Any suggestions greatly appreciated.

            ...

            ANSWER

            Answered 2022-Mar-24 at 20:44

            You are inheriting version for com.google.cloud:spring-cloud-gcp-dependencies from project.version, which is 2.3.12.RELEASE in your case.

            Source https://stackoverflow.com/questions/71607352

            QUESTION

            How do I increase the default timeout in the Cassandra Java driver using the DriverConfigLoader?
            Asked 2022-Mar-05 at 23:29

            Small question regarding a Spring Webflux Reactive Cassandra application please.

            On a setup Spring Boot 2.6.4 with Webflux and reactive Cassandra, I am using the app to insert some data in Cassandra tables.

            Things works fine, until when there is a higher load, I am seeing an issue (stack trace attached)

            The thing is, reading some documentation, I thought this piece of code would help solve the issue:

            ...

            ANSWER

            Answered 2022-Mar-05 at 23:29

            You have configured the wrong option on the driver. METADATA_SCHEMA_REQUEST_TIMEOUT is the timeout for the requests to retrieve the schema.

            The default request timeout for the Java driver is basic.request.timeout (see reference configuration):

            Source https://stackoverflow.com/questions/71366348

            QUESTION

            Spring Webflux: Extract a value from a Mono and save it into another variable
            Asked 2022-Mar-04 at 15:34

            The stack used in the API is: Spring-boot, Spring Webflux, Hibernate Reactive 1.1.3 and Postgresql.

            I'd like to extract a string value from a Mono called desiredField and add it to a hashmap. I'm showing the DB, model, repository and the util module where all this is happening.

            The JWTUtil is used to generate a JWT token for login purposes in the API. The JWTController is working fine, coming the token in response! The only thing is that a cannot extract de string value from a Mono.

            I've tried two approaches. The reactive way, using the subscribe method. And the blocking way using the block method. These two approches are shown below with their own console prints.

            In the first approach (the reactive way) I couldn't extract the desiredField from the Mono. The token comes in the response but without the desiredField in the token claims. The desiredField live only inside de stream (see console log prints), outside is null.

            In the second approach (blocking way) there are an infinite loop error without getting the token in the response.

            Could you help me to extract this value from the Mono?

            Thanks in advance!

            Postgres:

            ...

            ANSWER

            Answered 2022-Mar-04 at 15:34

            The main point here i think is the way you are organizing the code, it seems to me that you are using a reactive framework, but thinking and coding in an imperative way.

            If you change the generateToken and doGenerateToken to return a Mono, you can do something like the following:

            Source https://stackoverflow.com/questions/71326490

            QUESTION

            java.lang.NoSuchMethodError: 'com.microsoft.aad.msal4j.SilentParameters$SilentParametersBuilder using azure sdk for java service bus
            Asked 2022-Mar-02 at 15:16

            Im trying to send messages to my azure service bus topic using managed identity. None of the messages are sent to the topic. I have no problem when using connectionString instead of credential.

            ServiceBusSenderClient

            ...

            ANSWER

            Answered 2022-Mar-02 at 08:39

            Please check the below steps if they help to workaround -

            • java.lang.NoSuchMethodError majorly occurs due to version conflicts of dependencies.
            • There may be few methods or libraries not compatible or missing in the project.
            • To resolve this, try upgrading or even downgrading the dependent versions.
            • In some cases, removing the unnecessary dependencies also works.
            • Please check this official java doc of SilentParameter class and its related methods.
            • In general, NoSuchMethodError error happens if class A expects a method in class B which was compiled but at run time the other classes does not have that method. Here the method can be a third party jar library or normal method in the classes.
            • Sometimes it might be, you have complied the code against a version of some library that can also be the JDK itself, but your runtime is having other versions and it might be the case of one of the modules where you have added a method, forgot to compile, so at runtime it is using the old version.

            Source https://stackoverflow.com/questions/71293461

            QUESTION

            mongo java app Interrupted acquiring a permit to retrieve an item from the pool
            Asked 2022-Feb-21 at 02:48

            Anybody seen this error please advice , from time to time I get this and data not written to the collection: ( mongodb 4.0 , mongodb java driver 4.1 )

            ...

            ANSWER

            Answered 2022-Feb-21 at 02:48

            It looks like some other thread called MongoClient.close()

            Source https://stackoverflow.com/questions/71199380

            QUESTION

            Spring Boot Logging to a File
            Asked 2022-Feb-16 at 14:49

            In my application config i have defined the following properties:

            ...

            ANSWER

            Answered 2022-Feb-16 at 13:12

            Acording to this answer: https://stackoverflow.com/a/51236918/16651073 tomcat falls back to default logging if it can resolve the location

            Can you try to save the properties without the spaces.

            Like this: logging.file.name=application.logs

            Source https://stackoverflow.com/questions/71142413

            QUESTION

            Platform types and jsr-305 annotations when using kotlin with project reactor
            Asked 2022-Feb-11 at 15:38

            I am using project reactor with kotlin. As expected, since i am writing kotlin code that calls java code, all type signatures from project reactor's operators are showing up as platform types. e.g.

            ...

            ANSWER

            Answered 2022-Feb-11 at 15:38

            Actually the behaviour is by design because @NonNullApi which is applied to a package from where you are calling the method (map), doesn't have type use default qualifier, but only METHOD and PARAMETER. In particular, it means that the Kotlin compiler doesn't enhance types inside type argument positions, but only whole types in return type and value parameter positions.

            It can be proved with the following code:

            Source https://stackoverflow.com/questions/71067717

            QUESTION

            Error while passing the variable for a graphql query in Spring boot client
            Asked 2022-Feb-03 at 22:23

            I am working on a project and trying to use the GraphQL backend server in my SpringBoot application. I have written a client which connects to graphQL backend and creates/fetches the data but when I am trying to pass the variable from the application and pass with a query then it's throwing an error. But it's working fine if I just comment the variable part and hardcode the value directly in query.

            Mutation Query- mutation($names: String!) { createList (name: $names){ updated listId name } }

            Variable - { "names" : "bagName" }

            Java Client -

            '''

            ...

            ANSWER

            Answered 2022-Feb-03 at 22:23

            It got resolved. There were two issues - 1) with the graphQL schema ad 2) with the WebClient.

            I corrected the schema and using the HttpClient instead of WebClient.

            Source https://stackoverflow.com/questions/70823707

            QUESTION

            Global jackson ObjectMapper not registering custom serializer
            Asked 2022-Jan-30 at 20:06

            I am using Java 17, spring-boot 2.6.3 with spring-webflux and spring-consul dependencies and I have the following class:

            ...

            ANSWER

            Answered 2022-Jan-30 at 20:06

            You have annotated your application with @EnableWebFlux. This indicates that you want to take complete control of WebFlux's configuration. This causes Spring Boot's auto-configuration of WebFlux to back off. Among other things, this means that it won't configure WebFlux to use the context's ObjectMapper.

            You should either remove @EnableWebFlux to allow Spring Boot to auto-configure WebFlux or you should configure its codecs manually so that they use your ObjectMapper.

            Source https://stackoverflow.com/questions/70912151

            QUESTION

            Loop redirect when login OAuth2.0 Login + Webflux Security
            Asked 2022-Jan-27 at 11:39

            I am developing authentication and authorisation in an environment where I use Spring Cloud Gateway Webflux + OAuth 2.0 the structure to achieve is the following:

            As Authorization Server I have my own OAuth server that contains the /login page where I perform the authentication and it is also in charge of generating JWT and as Resource Server I have a WebFlux module that is also in charge of being the Gateway.

            The Resource Server configuration is as follows:

            application.yml

            ...

            ANSWER

            Answered 2022-Jan-16 at 05:05

            You have specified a redirect-uri for your client of /login. The page that says "Login with OAuth 2.0" is an auto-generated login page that Spring Security makes available by default under the /login endpoint. I don't think you intended to redirect there, but you currently have configured your client to do so.

            The docs for OAuth 2.0 Login with WebFlux (Reactive) have recently been rewritten to align with the Servlet version, and are worth reading in their entirety.

            Read the section of the docs on the Redirection Endpoint. Until you have a basic flow working, I'd recommend setting your redirect-uri to the default value of "{baseUrl}/login/oauth2/code/{registrationId}". Once things work, you can begin exploring how to customize this value. As the docs state, keep in mind that changing your redirect-uri property for a client also requires customizing the Redirection Endpoint in Spring Security to match.

            If you also wish to customize the default Login Page, see the previous section of the docs, OAuth 2.0 Login Page.

            Source https://stackoverflow.com/questions/70710939

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

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