[英]How to send file from linux server to windows server using Java?
我在使用 Java 将文件从 Linux 服务器发送到 windows 服务器时遇到问题。 我使用 jsch 库来发送文件。 当我从 linux 服务器对 windows 服务器的 990 端口进行远程登录时，一切正常。 这是它的外观：
我写了这段代码来发送文件：
protected boolean sendFileToRemoteServer() {
String fileName = redExpressConfigurationProperties.getUploadPath() + "test.txt";
JSch jsch = new JSch();
Session jschSession = null;
boolean returnedValue = false;
try {
jschSession = getSessionOfRemoteServer(jsch);
log.debug("Got Session!");
ChannelSftp channelSftp = getSftpChannelFromSession(jschSession);
channelSftp.put(fileName, redExpressConfigurationProperties.getRemoteServerFilePath());
channelSftp.exit();
log.debug("File sent!");
returnedValue = true;
} catch (JSchException | SftpException e) {
log.error("Exception: ", e);
} finally {
if (jschSession != null) {
jschSession.disconnect();
}
}
return returnedValue;
}
protected Session getSessionOfRemoteServer(JSch jsch) throws JSchException {
Properties properties = new Properties();
properties.put("StrictHostKeyChecking", "no");
Session session = jsch.getSession(redExpressConfigurationProperties.getRemoteServerUser(),
redExpressConfigurationProperties.getRemoteServerAddress(),
redExpressConfigurationProperties.getRemoteServerSshPort()); // port is 990
session.setConfig(properties);
session.setPassword(redExpressConfigurationProperties.getRemoteServerPassword());
log.debug("password: {}", redExpressConfigurationProperties.getRemoteServerPassword());
log.debug("server address: {}", redExpressConfigurationProperties.getRemoteServerAddress());
return session;
}
protected ChannelSftp getSftpChannelFromSession(Session jschSession) throws JSchException {
jschSession.connect(redExpressConfigurationProperties.getRemoteSessionTimeout()); // timeout is 10000
log.debug("Server Connected!");
Channel channel = jschSession.openChannel("sftp");
channel.connect(redExpressConfigurationProperties.getRemoteChannelTimeout());
log.debug("Got sftp channel for session!");
return (ChannelSftp) channel;
}
我的 gradle 依赖是这样的：
implementation 'com.jcraft:jsch:0.1.55'
这是我的 application.properties 文件的一部分：
但是当我运行代码时，我在尝试连接 windows 服务器时遇到异常。 这是日志：
2020-12-21 17:48:07:976 [main] ERROR c.e.d.DemoApplication:78 - Exception:
com.jcraft.jsch.JSchException: Session.connect: java.net.SocketTimeoutException: Read timed out
at com.jcraft.jsch.Session.connect(Session.java:565)
at com.example.demo.DemoApplication.getSftpChannelFromSession(DemoApplication.java:55)
at com.example.demo.DemoApplication.sendFileToRemoteServer(DemoApplication.java:71)
at com.example.demo.DemoApplication.test(DemoApplication.java:31)
at com.example.demo.DemoApplication$$EnhancerBySpringCGLIB$$a080bb04.CGLIB$test$3(<generated>)
at com.example.demo.DemoApplication$$EnhancerBySpringCGLIB$$a080bb04$$FastClassBySpringCGLIB$$22565bf1.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
at com.example.demo.DemoApplication$$EnhancerBySpringCGLIB$$a080bb04.test(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:486)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1179)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:571)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:531)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:923)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:588)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:767)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:426)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:326)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)
at com.example.demo.DemoApplication.main(DemoApplication.java:25)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:107)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
这是我遇到异常的行：
jschSession.connect(redExpressConfigurationProperties.getRemoteSessionTimeout());
我做错了什么？ 我是否选择了错误的图书馆来达到我的目的？ 是否有任何身份验证问题？或任何其他问题？
我没有通过谷歌搜索找到太多帮助。 所以贴在这里。 能得到帮助会很棒。 提前致谢。
我在使用 Java 将文件从 Linux 服务器发送到 windows 服务器时遇到问题。 我使用 jsch 库来发送文件。 当我从 linux 服务器对 windows 服务器的 990 端口进行远程登录时，一切正常。 这是它的外观：
我写了这段代码来发送文件：
protected boolean sendFileToRemoteServer() {
String fileName = redExpressConfigurationProperties.getUploadPath() + "test.txt";
JSch jsch = new JSch();
Session jschSession = null;
boolean returnedValue = false;
try {
jschSession = getSessionOfRemoteServer(jsch);
log.debug("Got Session!");
ChannelSftp channelSftp = getSftpChannelFromSession(jschSession);
channelSftp.put(fileName, redExpressConfigurationProperties.getRemoteServerFilePath());
channelSftp.exit();
log.debug("File sent!");
returnedValue = true;
} catch (JSchException | SftpException e) {
log.error("Exception: ", e);
} finally {
if (jschSession != null) {
jschSession.disconnect();
}
}
return returnedValue;
}
protected Session getSessionOfRemoteServer(JSch jsch) throws JSchException {
Properties properties = new Properties();
properties.put("StrictHostKeyChecking", "no");
Session session = jsch.getSession(redExpressConfigurationProperties.getRemoteServerUser(),
redExpressConfigurationProperties.getRemoteServerAddress(),
redExpressConfigurationProperties.getRemoteServerSshPort()); // port is 990
session.setConfig(properties);
session.setPassword(redExpressConfigurationProperties.getRemoteServerPassword());
log.debug("password: {}", redExpressConfigurationProperties.getRemoteServerPassword());
log.debug("server address: {}", redExpressConfigurationProperties.getRemoteServerAddress());
return session;
}
protected ChannelSftp getSftpChannelFromSession(Session jschSession) throws JSchException {
jschSession.connect(redExpressConfigurationProperties.getRemoteSessionTimeout()); // timeout is 10000
log.debug("Server Connected!");
Channel channel = jschSession.openChannel("sftp");
channel.connect(redExpressConfigurationProperties.getRemoteChannelTimeout());
log.debug("Got sftp channel for session!");
return (ChannelSftp) channel;
}
我的 gradle 依赖是这样的：
implementation 'com.jcraft:jsch:0.1.55'
这是我的 application.properties 文件的一部分：
但是当我运行代码时，我在尝试连接 windows 服务器时遇到异常。 这是日志：
2020-12-21 17:48:07:976 [main] ERROR c.e.d.DemoApplication:78 - Exception:
com.jcraft.jsch.JSchException: Session.connect: java.net.SocketTimeoutException: Read timed out
at com.jcraft.jsch.Session.connect(Session.java:565)
at com.example.demo.DemoApplication.getSftpChannelFromSession(DemoApplication.java:55)
at com.example.demo.DemoApplication.sendFileToRemoteServer(DemoApplication.java:71)
at com.example.demo.DemoApplication.test(DemoApplication.java:31)
at com.example.demo.DemoApplication$$EnhancerBySpringCGLIB$$a080bb04.CGLIB$test$3(<generated>)
at com.example.demo.DemoApplication$$EnhancerBySpringCGLIB$$a080bb04$$FastClassBySpringCGLIB$$22565bf1.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
at com.example.demo.DemoApplication$$EnhancerBySpringCGLIB$$a080bb04.test(<generated>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:486)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1179)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:571)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:531)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:923)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:588)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:767)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:426)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:326)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)
at com.example.demo.DemoApplication.main(DemoApplication.java:25)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:107)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
这是我遇到异常的行：
jschSession.connect(redExpressConfigurationProperties.getRemoteSessionTimeout());
我做错了什么？ 我是否选择了错误的图书馆来达到我的目的？ 是否有任何身份验证问题？或任何其他问题？
我没有通过谷歌搜索找到太多帮助。 所以贴在这里。 能得到帮助会很棒。 提前致谢。
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