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https://issues.apache.org/jira/browse/CAMEL-15841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17229458#comment-17229458
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Andrea Cosentino commented on CAMEL-15841:
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And have a look at streamcaching.
> logging empties message body?
> -----------------------------
>
> Key: CAMEL-15841
> URL: https://issues.apache.org/jira/browse/CAMEL-15841
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 3.5.0
> Environment: my project is attached
> Reporter: Vyacheslav Boyko
> Priority: Major
> Attachments: egais-connector.7z
>
>
> my build.gradle is
> {code}
> plugins {
> id 'org.springframework.boot' version '2.3.5.RELEASE'
> id 'io.spring.dependency-management' version '1.0.10.RELEASE'
> id 'java'
> }
> group = 'com.bvn13'
> version = '0.0.1-SNAPSHOT'
> sourceCompatibility = '11'
> configurations {
> compileOnly {
> extendsFrom annotationProcessor
> }
> }
> repositories {
> mavenCentral()
> }
> dependencies {
> //implementation
> 'org.springframework.boot:spring-boot-starter-thymeleaf'
> //implementation 'org.springframework.boot:spring-boot-starter-web'
> implementation
> 'org.apache.camel.springboot:camel-spring-boot-starter:3.5.0'
> implementation 'org.apache.camel:camel-http:3.5.0'
> implementation 'org.apache.camel:camel-jetty:3.5.0'
> implementation 'org.apache.camel:camel-gson:3.5.0'
>
> compileOnly 'org.projectlombok:lombok'
> annotationProcessor 'org.projectlombok:lombok'
> testImplementation('org.springframework.boot:spring-boot-starter-test')
> {
> exclude group: 'org.junit.vintage', module:
> 'junit-vintage-engine'
> }
> }
> test {
> useJUnitPlatform()
> }
> {code}
> my route builder is:
> {code:java}
> import org.apache.camel.builder.RouteBuilder;
> import org.apache.camel.model.dataformat.JsonLibrary;
> import org.springframework.beans.factory.annotation.Value;
> import org.springframework.stereotype.Component;
> import lombok.extern.slf4j.Slf4j;
> @Slf4j
> @Component
> public class EgaisExpirationDateSearcher extends RouteBuilder {
> private final String host;
> private final int port;
>
> private final String searchEndpoint;
> public EgaisExpirationDateSearcher(
> @Value("${app.listen.host}") String host,
> @Value("${app.listen.port}") int port) {
> this.host = host;
> this.port = port;
> searchEndpoint = "jetty:http://"+host+":"+port+"/expire";;
>
> log.info("Listening at: {}", searchEndpoint);
> }
> @Override
> public void configure() throws Exception {
>
> from(searchEndpoint+"?httpMethodRestrict=POST")
> .log("${body}") // <-----------------
> .unmarshal().json(JsonLibrary.Gson, SearchRequest.class)
> .log("${body}")
> .process((exchange) -> {
> exchange.getMessage().setBody("HI!");
> })
> ;
>
>
> }
> }
> {code}
> my application properties are:
> {code}
> app:
> listen:
> host: localhost
> port: 9091
> {code}
> I have an object as request body:
> {code:java}
> import lombok.Value;
> @Value
> public class SearchRequest {
> String contraInn;
> String alcoGoodName;
> }
> {code}
> I perform POST HTTP request like
> {code:bash}
> curl -X POST -H "Content-Type: application/json" -d
> '{"contraInn":123,"alcoGoodName":"name"}' http://localhost:9091/expire
> {code}
> now take a look at pointed line in route builder:
> {code:java}
> .log("${body}") // <-----------------
> {code}
> if I comment this line (disable logging) the log has following lines:
> {code}
> 2020-11-10 22:07:52.172 INFO 1344 --- [ main]
> c.b.b.e.EgaisConnectorApplication : Started EgaisConnectorApplication
> in 2.003 seconds (JVM running for 2.982)
> 2020-11-10 22:11:05.575 INFO 1344 --- [tp1753113235-31] route2
> : com.bvn13.beerspot.egaisconnector.SearchRequest@2d34001a
> {code}
> but when I uncomment pointed line the body seems become empty right after
> logging:
> {code}
> 2020-11-10 22:12:40.284 INFO 10924 --- [ main]
> c.b.b.e.EgaisConnectorApplication : Started EgaisConnectorApplication
> in 1.932 seconds (JVM running for 2.78)
> 2020-11-10 22:12:46.854 INFO 10924 --- [qtp216919586-31] route2
> : {"contraInn":123,"alcoGoodName":"name"}
> 2020-11-10 22:12:46.857 INFO 10924 --- [qtp216919586-31] route2
> : null
> {code}
> First log message is logged as arrived, then emptied (?), unmarshalled to
> null and logged out as null.
> Is it normal?
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