[英]How to solve my problem with kubernetes and soap. Client cannot reach server
i have a client and a server on a kubernetes cluster in the same namespace.我在同一命名空间中的 kubernetes 集群上有一个客户端和一个服务器。 I try to access the server with this code:我尝试使用以下代码访问服务器:
public GetDataResponse getData() throws JsonProcessingException {
GetDataResponseXML response = (GetDataResponseXML) getWebServiceTemplate()
.marshalSendAndReceive(REQUEST_PARAMETER, new SoapActionCallback(""));
log.info("Get response data: " + Mapper.objectMapper.writeValueAsString(response));
return mapper.dataResponseXMLToJPAEntity(response);
}
I connect to the endpoint with the DNS我使用 DNS 连接到端点
http://<serviceOfServer>.<namespace>.svc.cluster.local/data
But i get always this output:但我总是得到这个 output:
2020-06-25 07:44:36.128 ERROR 7 --- [ scheduling-1] o.s.s.s.TaskUtils$LoggingErrorHandler : Unexpected error occurred in scheduled task
java.lang.NullPointerException: null
at org.springframework.ws.transport.http.AbstractHttpWebServiceMessageSender.supports(AbstractHttpWebServiceMessageSender.java:63) ~[spring-ws-core-3.0.7.RELEASE.jar!/:na]
at org.springframework.ws.client.support.WebServiceAccessor.createConnection(WebServiceAccessor.java:107) ~[spring-ws-core-3.0.7.RELEASE.jar!/:na]
at org.springframework.ws.client.core.WebServiceTemplate.sendAndReceive(WebServiceTemplate.java:551) ~[spring-ws-core-3.0.7.RELEASE.jar!/:na]
at org.springframework.ws.client.core.WebServiceTemplate.marshalSendAndReceive(WebServiceTemplate.java:390) ~[spring-ws-core-3.0.7.RELEASE.jar!/:na]
at org.springframework.ws.client.core.WebServiceTemplate.marshalSendAndReceive(WebServiceTemplate.java:383) ~[spring-ws-core-3.0.7.RELEASE.jar!/:na]
at com.my.adapter.client.SOAPClient.getData(SOAPClient.java:40) ~[classes!/:0.0.1-SNAPSHOT]
at com.my.adapter.scheduler.Scheduler.consumeScheduler(Scheduler.java:33) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) ~[spring-context-5.2.0.RELEASE.jar!/:5.2.0.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) ~[spring-context-5.2.0.RELEASE.jar!/:5.2.0.RELEASE]
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na]
at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) ~[na:na]
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[na:na]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[na:na]
at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
I have this networkpolicy, so the np cannot be the reason我有这个网络政策,所以 np 不是原因
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-all-egress
spec:
podSelector: {}
egress:
- {}
ingress:
- {}
policyTypes:
- Egress
- Ingress
If i do port-forwarding to the server or service, i can access it with my local client.如果我将端口转发到服务器或服务,我可以使用我的本地客户端访问它。 So it should be ok.所以应该没问题。
I have absolut not a clue why i get a nullpointer exception.我绝对不知道为什么会出现空指针异常。
Have anyone an idea?有人有想法吗?
Thanks a lot for any help!非常感谢您的帮助!
I have the solution.我有解决办法。 I dont know why my DNS didn't work, but when i call it only with the service我不知道为什么我的 DNS 不起作用,但是当我只使用服务调用它时
http://<serviceOfServer>:<port>
It works.....有用.....
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.