我正在尝试使用Camel Java DSL将文件路由到SFTP服务器,如下所示:
.recipientList(simple("sftp://{{hostname}}:{{port}}/" + exchangeProperty(destinationDir) + "?username={{username}}&preferredAuthentications=publickey&privateKeyFile={{pkfilelocation}}&privateKeyPassphrase={{pkPassphrase}}"))
但是当消息到达此端点时,Camel会抛出以下异常:
org.apache.camel.component.file.GenericFileOperationFailedException: Cannot change directory to: exchangeProperty{destinationDir}
at org.apache.camel.component.file.remote.SftpOperations.doChangeDirectory(SftpOperations.java:596)
at org.apache.camel.component.file.remote.SftpOperations.changeCurrentDirectory(SftpOperations.java:584)
at org.apache.camel.component.file.remote.SftpOperations.storeFile(SftpOperations.java:830)
at org.apache.camel.component.file.GenericFileProducer.writeFile(GenericFileProducer.java:277)
at org.apache.camel.component.file.GenericFileProducer.processExchange(GenericFileProducer.java:165)
at org.apache.camel.component.file.remote.RemoteFileProducer.process(RemoteFileProducer.java:58)
at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:110)
at org.apache.camel.builder.NoErrorHandlerBuilder$1.process(NoErrorHandlerBuilder.java:40)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:695)
at org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:623)
at org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:247)
at org.apache.camel.processor.RecipientList.sendToRecipientList(RecipientList.java:172)
at org.apache.camel.processor.RecipientList.process(RecipientList.java:132)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:120)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)
at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)
at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:110)
at org.apache.camel.builder.NoErrorHandlerBuilder$1.process(NoErrorHandlerBuilder.java:40)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:120)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62)
at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145)
at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:695)
at org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:623)
at org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:247)
at org.apache.camel.processor.Splitter.process(Splitter.java:114)
at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:541)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:120)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:198)
at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97)
at org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:112)
at org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:721)
at org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:681)
at org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:651)
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:317)
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:255)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1166)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1158)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1055)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: 2: No such file
at com.jcraft.jsch.ChannelSftp.throwStatusError(ChannelSftp.java:2873)
at com.jcraft.jsch.ChannelSftp._realpath(ChannelSftp.java:2367)
at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:342)
at org.apache.camel.component.file.remote.SftpOperations.doChangeDirectory(SftpOperations.java:594)
... 53 more
我可以看到在stacktrace中打印的交换机上设置了destinationDir属性 。如果我更换
- exchangeProperty(destinationDir)+
在具有实际目标目录(tmp / destination / dir1 /)的路由中,它可以正常工作。问题是,我需要目标目录是动态的。我尝试在路线(> 2.16.0)和路线${exchangeProperty.destinationDir}
中使用${property.destinationDir}
而不是无效。 "非交换"财产占位符一切都很好。
调试Camel SFTP库时,我可以看到at SftpOperations.class:594,路径设置为exchangeProperty{destinationDir}
。
这不会被取代,这就是它失败的原因。
注意:我在{{port}}后面有 / (而不是在destinationDir属性中),否则,Camel SFTP组件会抛出一个异常,说明主机没有被定义。< / p>
有没有人有任何建议如何让财产占位符和交换属性与SFTP动态协作?我也试过D(&#34; ..&#34;)但没有运气。
Camelv 2.19.0
答案 0 :(得分:0)
我尝试过很多变种.toD,.inOnly,.to,.recipientList等没有运气。对于那些遭受同样挫折的人,我确实为此找到了一个简单的解决方法:
.process(new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
exchange.setProperty("myHackProperty", String.format("sftp://{{hostname}}:{{port}}/%s)", exchange.getProperty("destinationDir"))
}
}
.recipientList(exchangeProperty("myHackProperty"))
简单的手动动态字符串替换。奇迹般有效。有时编码驼峰的最佳方法是避免骆驼:)