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SpringBoot: server.tomcat.connection-timeout NOT WORKING

Time:12-07

I need to Timeout the request if no response is received in 5s. I tried server.tomcat.connection-timeout, but No Luck.

I am aware of spring.mvc.async.request-timeout property using Callable<?>, but server.tomcat.connection-timeout should work ,right?

application.properties

server.tomcat.connection-timeout=5s

Rest Controller

@PostMapping("/getdata")
public String call() throws Exception {

    Thread.sleep(10000);

    return "Hello";

}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.1</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.revise</groupId>
    <artifactId>database</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>database</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

CodePudding user response:

There is no setting in Spring MVC to control the timeout of request handled by Controller unless of-course you are using Async processing which basically means you need to return a Callable<> if you want spring.mvc.async.request-timeout to work. The property you are mentioning server.tomcat.connection-timeout is actually a tomcat property ( which is set up by Spring Boot) which basically refers to timeout if the client opens a connection but is not sending or it's very slow to send the request ( uri, headers etc. as per http protocol)

The number of milliseconds this Connector will wait, after accepting a connection, for the request URI line to be presented. Use a value of -1 to indicate no (i.e. infinite) timeout.

You can check this for an issue reported in Spring Boot and the comments by Spring team.

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