无法发布限制事件的 WSO2 APIM GW 错误消息

WSO2 APIM GW error message for not able to publish throttle event

运行 WSO2 APIM v2.0 作为 2 个集群节点和一个 WSO2 DAS 作为独立节点。

每次在 WSO2 APIM 中发生限制时,我都会在网关错误日志中看到以下错误消息

2016-11-04 06:23:59,927 [-] [PassThroughMessageProcessor-27] ERROR APIMgtThrottleUsageHandler Cannot publish throttling event. null
java.lang.NullPointerException
        at org.wso2.carbon.utils.multitenancy.MultitenantUtils.getTenantDomain(MultitenantUtils.java:90)
        at org.wso2.carbon.apimgt.usage.publisher.APIMgtThrottleUsageHandler.mediate(APIMgtThrottleUsageHandler.java:71)
        at org.apache.synapse.mediators.ext.ClassMediator.mediate(ClassMediator.java:84)
        at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:95)
        at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:57)
        at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:158)
        at org.wso2.carbon.apimgt.gateway.handlers.throttling.ThrottleHandler.handleThrottleOut(ThrottleHandler.java:612)
        at org.wso2.carbon.apimgt.gateway.handlers.throttling.ThrottleHandler.doThrottle(ThrottleHandler.java:504)
        at org.wso2.carbon.apimgt.gateway.handlers.throttling.ThrottleHandler.handleRequest(ThrottleHandler.java:445)
        at org.apache.synapse.rest.API.process(API.java:325)
        at org.apache.synapse.rest.RESTRequestHandler.dispatchToAPI(RESTRequestHandler.java:90)
        at org.apache.synapse.rest.RESTRequestHandler.process(RESTRequestHandler.java:69)
        at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:300)
        at org.apache.synapse.core.axis2.SynapseMessageReceiver.receive(SynapseMessageReceiver.java:75)
        at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
        at org.apache.synapse.transport.passthru.ServerWorker.processNonEntityEnclosingRESTHandler(ServerWorker.java:319)
        at org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:152)
        at org.apache.axis2.transport.base.threads.NativeWorkerPool.run(NativeWorkerPool.java:172)
        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:745)

我也看不到 API Throttled Out Requests 来自 WSO2 APIM 统计的报告。

请指教

当您有 Authentication:none 资源时,这是一个已知问题。据报道 here,将在未来的版本中修复。