引起：org.apache.camel.ResolveEndpointFailedException：无法解析端点：sftp：

【问题标题】：Caused by: org.apache.camel.ResolveEndpointFailedException: Failed to resolve endpoint: sftp:引起：org.apache.camel.ResolveEndpointFailedException：无法解析端点：sftp：
【发布时间】：2020-07-31 01:02:09
【问题描述】：

我正在尝试使用 apache camel 将文件从我的服务器发送到远程邮箱。 我为用户生成了 ssh 密钥，并将公钥与远程主机上的邮箱相关联。我正在使用私钥连接到邮箱文件夹。当我使用像 Cyber​​Duck 这样的 sftp 客户端时，我能够连接到邮箱并传输文件。

@Override
    public void configure() throws Exception{
    from("file:/myfolder/")
            .to("sftp://remote_host//mailbox_folder?username=username&" +
                    "privateKeyFile=private_key_file")
            .log(LoggingLevel.INFO,"file transferred successfully")
            .end();
}

我在项目中有以下依赖：

compile group: 'org.apache.camel', name: 'camel-spring-boot-starter', version: "2.20.1"
compile group: 'org.apache.camel', name: 'camel-quartz', version: "2.20.1"
compile group: 'org.apache.camel', name: 'camel-ftp-starter', version: "2.20.1"
compile group: 'com.jcraft', name: 'jsch', version: '0.1.55'
compile group: 'org.apache.camel', name: 'camel-ftp', version: "2.20.1"

我收到以下错误：

2020-07-29 14:04:38.004  | ERROR  | SpringApplication | Application startup failed
org.apache.camel.RuntimeCamelException: org.apache.camel.FailedToCreateRouteException: Failed to create route route1 at: >>> To[sftp://remote_host//mailbox_folder?username=username&privateKeyFile=private_key_file] <<< in route: Route(route1)[[From[file:/my_folder/]] -> [O... because of Failed to resolve endpoint: sftp://remote_host//mailbox_folder?privateKeyFile=private_key_file&username=username due to: No component found with scheme: sftp
    at org.apache.camel.util.ObjectHelper.wrapRuntimeCamelException(ObjectHelper.java:1831) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.spring.SpringCamelContext.start(SpringCamelContext.java:136) ~[camel-spring-2.20.1.jar:2.20.1]
    at org.apache.camel.spring.SpringCamelContext.onApplicationEvent(SpringCamelContext.java:174) ~[camel-spring-2.20.1.jar:2.20.1]
    at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:393) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:347) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:883) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:144) ~[spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
    at com.example.apache-sftp.main(DataPublisher.java:24) [main/:?]
Caused by: org.apache.camel.FailedToCreateRouteException: Failed to create route route1 at: >>> To[sftp://remote_host//mailbox_folder?username=username&privateKeyFile=private_key_file] <<< in route: Route(route1)[[From[file:/my_folder/]] -> [O... because of Failed to resolve endpoint: sftp://remote_host//mailbox_folder?privateKeyFile=private_key_file&username=username due to: No component found with scheme: sftp
    at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:1298) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:204) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.startRoute(DefaultCamelContext.java:1148) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.startRouteDefinitions(DefaultCamelContext.java:3727) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.doStartCamel(DefaultCamelContext.java:3441) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.access$000(DefaultCamelContext.java:208) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext$2.call(DefaultCamelContext.java:3249) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext$2.call(DefaultCamelContext.java:3245) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.doWithDefinedClassLoader(DefaultCamelContext.java:3268) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:3245) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.start(DefaultCamelContext.java:3168) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.spring.SpringCamelContext.start(SpringCamelContext.java:133) ~[camel-spring-2.20.1.jar:2.20.1]
    ... 16 more
Caused by: org.apache.camel.ResolveEndpointFailedException: Failed to resolve endpoint: sftp://remote_host//mailbox_folder?privateKeyFile=private_key_file&username=username due to: No component found with scheme: sftp
    at org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:769) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.util.CamelContextHelper.getMandatoryEndpoint(CamelContextHelper.java:80) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.RouteDefinition.resolveEndpoint(RouteDefinition.java:219) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultRouteContext.resolveEndpoint(DefaultRouteContext.java:115) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultRouteContext.resolveEndpoint(DefaultRouteContext.java:121) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.SendDefinition.resolveEndpoint(SendDefinition.java:62) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.SendDefinition.createProcessor(SendDefinition.java:56) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.ProcessorDefinition.makeProcessorImpl(ProcessorDefinition.java:549) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.ProcessorDefinition.makeProcessor(ProcessorDefinition.java:510) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.ProcessorDefinition.addRoutes(ProcessorDefinition.java:226) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:1295) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:204) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.startRoute(DefaultCamelContext.java:1148) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.startRouteDefinitions(DefaultCamelContext.java:3727) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.doStartCamel(DefaultCamelContext.java:3441) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.access$000(DefaultCamelContext.java:208) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext$2.call(DefaultCamelContext.java:3249) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext$2.call(DefaultCamelContext.java:3245) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.doWithDefinedClassLoader(DefaultCamelContext.java:3268) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:3245) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.impl.DefaultCamelContext.start(DefaultCamelContext.java:3168) ~[camel-core-2.20.1.jar:2.20.1]
    at org.apache.camel.spring.SpringCamelContext.start(SpringCamelContext.java:133) ~[camel-spring-2.20.1.jar:2.20.1]
    ... 16 more
2020-07-29 14:04:38.004  | INFO   | AnnotationConfigEmbeddedWebApplicationContext | Closing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@3c947bc5: startup date [Wed Jul 29 14:04:33 CDT 2020]; root of context hierarchy

我在这里缺少什么？

【问题讨论】：

  • 你能做一个mvn clean install
  • 因为这个应用程序是一个 gradle 应用程序我做了./gradlew clean build 并且仍然是同样的问题。还有另一个应用程序实际上是使用 Apache Camel 从外部服务器执行 FTP 拉取。我确实从那个应用程序中尝试过，上面的代码仍然给我同样的错误
  • 对不起！我正是这个意思。 Mvn 在使用了这么多之后变得根深蒂固。您可以删除 camel-ftp 依赖项并检查吗？您已经拥有 camel-ftp-starter 依赖项。

标签： spring-boot apache-camel


【解决方案1】：

当我进行多次干净构建（使用 gradle）时问题得到了解决，并且由于某些奇怪的原因在重新启动我的机器后工作了

【讨论】：

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