Question

HI我在我的项目中广泛使用spring集成，并且在当前情况下使用spring动态流注册动态创建我的ftp，sftp适配器。另外，为了提供会话工厂，我根据每个唯一连接的持久配置动态创建它们。

这很好但有时我需要动态修改现有的会话配置，在这种情况下我需要会话工厂用新的会话配置刷新。这可能是由于动态改变信用卡而发生的。

为了做同样的事情，我正在寻找两个方法

通过flowcontext.remove（flowid）删除动态流。但这并没有以某种方式杀死流量，我仍然看到旧的会话工厂和流程正在运行。
如果有办法将正在运行的适配器与新的Sessionfactory动态关联，这也可以。但仍然没有找到实现这一目标的方法。

请帮忙

更新

我的动态注册码

 CachingSessionFactory<FTPFile> csf = cache.get(feed.getConnectionId());
    IntegrationFlow flow = IntegrationFlows
                .from(inboundAdapter(csf).preserveTimestamp(true)//
                      .remoteDirectory(feed.getRemoteDirectory())//
                      .regexFilter(feed.getRegexFilter())//
                      .deleteRemoteFiles(feed.getDeleteRemoteFiles())
                      .autoCreateLocalDirectory(feed.getAutoCreateLocalDirectory())
                      .localFilenameExpression(feed.getLocalFilenameExpression())//
                      .localFilter(localFileFilter)//
                      .localDirectory(new File(feed.getLocalDirectory())),
                      e -> e.id(inboundAdapter.get(feed.getId())).autoStartup(false)
                            .poller(Pollers//
                                  .cron(feed.getPollingFreq())//
                                  .maxMessagesPerPoll(1)//
                                  .advice(retryAdvice)))
                .enrichHeaders(s -> s.header(HEADER.feed.name(), feed))//
                .filter(selector)//
                .handle(fcHandler)//
                .handle(fileValidationHandler)//
                .channel(ftbSubscriber)//
                .get();

          this.flowContext.registration(flow).addBean(csf).//
                id(inboundFlow.get(feed.getId())).//
                autoStartup(false).register();

我正在尝试删除相同的通过

flowContext.remove(flowId);

关于删除轮询器和适配器看起来仍然是活动的

java.lang.IllegalStateException: failed to create FTPClient
at org.springframework.integration.file.remote.synchronizer.AbstractInboundFileSynchronizer.synchronizeToLocalDirectory(AbstractInboundFileSynchronizer.java:275)
at org.springframework.integration.file.remote.synchronizer.AbstractInboundFileSynchronizingMessageSource.doReceive(AbstractInboundFileSynchronizingMessageSource.java:200)
at org.springframework.integration.file.remote.synchronizer.AbstractInboundFileSynchronizingMessageSource.doReceive(AbstractInboundFileSynchronizingMessageSource.java:62)
at org.springframework.integration.endpoint.AbstractMessageSource.receive(AbstractMessageSource.java:134)
at org.springframework.integration.endpoint.SourcePollingChannelAdapter.receiveMessage(SourcePollingChannelAdapter.java:224)
at org.springframework.integration.endpoint.AbstractPollingEndpoint.doPoll(AbstractPollingEndpoint.java:245)
at org.springframework.integration.endpoint.AbstractPollingEndpoint.access$000(AbstractPollingEndpoint.java:58)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$1.call(AbstractPollingEndpoint.java:190)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$1.call(AbstractPollingEndpoint.java:186)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.integration.handler.advice.AbstractRequestHandlerAdvice.invoke(AbstractRequestHandlerAdvice.java:65)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy188.call(Unknown Source)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$Poller$1.run(AbstractPollingEndpoint.java:353)
at org.springframework.integration.util.ErrorHandlingTaskExecutor$1.run(ErrorHandlingTaskExecutor.java:55)
at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:50)
at org.springframework.integration.util.ErrorHandlingTaskExecutor.execute(ErrorHandlingTaskExecutor.java:51)
at org.springframework.integration.endpoint.AbstractPollingEndpoint$Poller.run(AbstractPollingEndpoint.java:344)
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

* POST Gary comments * 改变了链的顺序并删除了他的示例中定义的autostartup，现在轮询适配器看起来就像被移除了。

更改了与Gary相匹配的顺序，并从flowcontext链中删除了autostartup。如果autstrtup为真，看起来像bug仍然存在。

   this.flowContext.registration(flow).//
        id(inboundFlow.get(feed.getId()))//
        .addBean(sessionFactory.get(feed.getId()), csf)//
        .register();

*研究更多* 无论自动启动状态如何，standardIntegrationFlow.start都会启动流程中的所有组件。我想我们确实需要为这些检查isAutostartup，并且只有在启动IntegrationFlow时autostartup为True时才启动它们。标准IF下面的现有代码。我有办法覆盖这个，或者这需要PR或修复。

if (!this.running) {
            ListIterator<Object> iterator = this.integrationComponents.listIterator(this.integrationComponents.size());
            this.lifecycles.clear();
            while (iterator.hasPrevious()) {
                Object component = iterator.previous();
                if (component instanceof SmartLifecycle) {
                    this.lifecycles.add((SmartLifecycle) component);
                    ((SmartLifecycle) component).start();
                }
            }
            this.running = true;
        }

Answer 1

remove()应该关闭所有内容。如果您使用的是CachingSessionFactory，我们需要destroy()，因此会关闭缓存的会话。

如果您将bean添加到注册（使用destroy()），流将自动addBean()。

如果您可以编辑问题以显示动态注册码，我可以看看。

修改

一切都适合我......

@SpringBootApplication public class So43916317Application implements CommandLineRunner { public static void main(String[] args) { SpringApplication.run(So43916317Application.class, args).close(); } @Autowired private IntegrationFlowContext context; @Override public void run(String... args) throws Exception { CSF csf = new CSF(sf()); IntegrationFlow flow = IntegrationFlows.from(Ftp.inboundAdapter(csf) .localDirectory(new File("/tmp/foo")) .remoteDirectory("bar"), e -> e.poller(Pollers.fixedDelay(1_000))) .handle(System.out::println) .get(); this.context.registration(flow) .id("foo") .addBean(csf) .register(); Thread.sleep(10_000); System.out.println("removing flow"); this.context.remove("foo"); System.out.println("destroying csf"); csf.destroy(); Thread.sleep(10_000); System.out.println("exiting"); Assert.state(csf.destroyCalled, "destroy not called"); } @Bean public DefaultFtpSessionFactory sf() { DefaultFtpSessionFactory sf = new DefaultFtpSessionFactory(); sf.setHost("10.0.0.3"); sf.setUsername("ftptest"); sf.setPassword("ftptest"); return sf; } public static class CSF extends CachingSessionFactory<FTPFile> { private boolean destroyCalled; public CSF(SessionFactory<FTPFile> sessionFactory) { super(sessionFactory); } @Override public void destroy() { this.destroyCalled = true; super.destroy(); } } }

...登录

16:15:38.898 [task-scheduler-5] DEBUG o.s.i.f.i.FtpInboundFileSynchronizer - 0 files transferred 16:15:38.898 [task-scheduler-5] DEBUG o.s.i.e.SourcePollingChannelAdapter - Received no Message during the poll, returning 'false' 16:15:39.900 [task-scheduler-3] DEBUG o.s.integration.util.SimplePool - Obtained org.springframework.integration.ftp.session.FtpSession@149a806 from pool. 16:15:39.903 [task-scheduler-3] DEBUG o.s.i.f.r.s.CachingSessionFactory - Releasing Session org.springframework.integration.ftp.session.FtpSession@149a806 back to the pool. 16:15:39.903 [task-scheduler-3] DEBUG o.s.integration.util.SimplePool - Releasing org.springframework.integration.ftp.session.FtpSession@149a806 back to the pool 16:15:39.903 [task-scheduler-3] DEBUG o.s.i.f.i.FtpInboundFileSynchronizer - 0 files transferred 16:15:39.903 [task-scheduler-3] DEBUG o.s.i.e.SourcePollingChannelAdapter - Received no Message during the poll, returning 'false' removing flow 16:15:40.756 [main] INFO o.s.i.e.SourcePollingChannelAdapter - stopped org.springframework.integration.config.SourcePollingChannelAdapterFactoryBean#0 16:15:40.757 [main] INFO o.s.i.channel.DirectChannel - Channel 'application.foo.channel#0' has 0 subscriber(s). 16:15:40.757 [main] INFO o.s.i.endpoint.EventDrivenConsumer - stopped org.springframework.integration.config.ConsumerEndpointFactoryBean#0 16:15:40.757 [main] DEBUG o.s.b.f.s.DefaultListableBeanFactory - Retrieved dependent beans for bean 'foo': [org.springframework.integration.ftp.inbound.FtpInboundFileSynchronizer#0, org.springframework.integration.config.SourcePollingChannelAdapterFactoryBean#0, org.springframework.integration.config.SourcePollingChannelAdapterFactoryBean#0.source, foo.channel#0, com.example.So43916317Application$$Lambda$12/962287291#0, org.springframework.integration.config.ConsumerEndpointFactoryBean#0, foocom.example.So43916317Application$CSF#0] destroying csf 16:15:40.757 [main] DEBUG o.s.integration.util.SimplePool - Removing org.springframework.integration.ftp.session.FtpSession@149a806 from the pool exiting 16:15:50.761 [main] TRACE o.s.c.a.AnnotationConfigApplicationContext - Publishing event in org.springframework.context.annotation.AnnotationConfigApplicationContext@27c86f2d: org.springframework.boot.context.event.ApplicationReadyEvent[source=org.springframework.boot.SpringApplication@5c18016b]

如您所见，remove()之后轮询停止，destroy()会话关闭。

<强> EDIT2

如果您已关闭自动启动，则必须通过注册开始...

IntegrationFlowRegistration registration = this.context.registration(flow) .id("foo") .addBean(csf) .autoStartup(false) .register(); ... registration.start();

在Spring集成中刷新/更新SessionFactory的策略

1 个答案: