我已经注意到我的应用程序中的一些命令失败了,因为
Caused by: ! com.netflix.hystrix.exception.HystrixRuntimeException: GetAPICommand timed-out and no fallback available.
out: ! at com.netflix.hystrix.HystrixCommand.getFallbackOrThrowException(HystrixCommand.java:1631)
out: ! at com.netflix.hystrix.HystrixCommand.access$2000(
我们的代码有几个@Async方法和ApplicationListeners。这些类和方法最终调用带有@Hystrix注释的API服务。这些调用抛出以下异常:
java.lang.IllegalStateException: HystrixRequestContext.initializeContext() must be called at the beginning of each request before RequestVariable functionality can be used.
at com.netflix.hystrix.strategy.concurrency.Hyst
我使用的是hystrix 1.3.7,我的hystrix命令也定义了回退方法。因此,它的设置如下:
public final Optional<ImageData> run() throws Exception {
// does api call to get resized image from a service
}
@Override
public final Optional<ImageData> getFallback() {
// falls back to processing the image locally.
}
然而,我已经意识到当H
我试图为zuul version 1.1.2做负载测试。
但是,在运行负载测试几分钟后,我就会继续收到以下问题。
Caused by: com.netflix.hystrix.exception.HystrixRuntimeException: book could not acquire a semaphore for execution and no fallback available.
at com.netflix.hystrix.AbstractCommand$21.call(AbstractCommand.java:783) ~[hystrix-core-1.5.3.jar
我正在尝试创建一个简单的Hystrix应用程序,我已经添加了maven依赖项,它抛出了下面的错误。
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/boot/Banner$Mode
at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:162)
at
最近,我开始在netflix库工作。我创建了一个HystrixCommand对象,但得到了一个NPE。理想情况下,这种情况不应该发生。任何帮助都将不胜感激。这是一个众所周知的问题吗?
请查找堆栈跟踪:
Exception in thread "main" java.lang.NullPointerException
at com.netflix.config.ConcurrentMapConfiguration.clearConfigurationListeners(ConcurrentMapConfiguration.java:330)
at org.apac