WSO2.0.0嘗試使用JDBC消息存儲實現存儲轉發模式。WSO2 ESB存儲和轉發 - 在發送消息期間發生意外錯誤
發送消息到目標端點拋出異常:
TID: [-1234] [] [2016-12-05 23:25:24,874] ERROR {org.apache.synapse.message.processor.impl.sampler.SamplingService} - Error occurred while executing the message {org.apache.synapse.message.processor.impl.sampler.SamplingService}
org.apache.synapse.SynapseException: Unexpected error during sending message out
at org.apache.synapse.core.axis2.Axis2Sender.handleException(Axis2Sender.java:257)
at org.apache.synapse.core.axis2.Axis2Sender.sendOn(Axis2Sender.java:84)
at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:548)
at org.apache.synapse.endpoints.AbstractEndpoint.send(AbstractEndpoint.java:382)
at org.apache.synapse.endpoints.AddressEndpoint.send(AddressEndpoint.java:65)
at org.apache.synapse.endpoints.IndirectEndpoint.send(IndirectEndpoint.java:55)
at org.apache.synapse.mediators.builtin.CallMediator.handleNonBlockingCall(CallMediator.java:221)
at org.apache.synapse.mediators.builtin.CallMediator.mediate(CallMediator.java:99)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:97)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:59)
at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:158)
at org.apache.synapse.message.processor.impl.sampler.SamplingService$1.run(SamplingService.java:211)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
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)
Caused by: java.lang.NullPointerException
at org.apache.synapse.core.axis2.Axis2FlexibleMEPClient.send(Axis2FlexibleMEPClient.java:538)
at org.apache.synapse.core.axis2.Axis2Sender.sendOn(Axis2Sender.java:78)
... 15 more
我相信我缺少一個重要的交通,Axis2的或突觸財產,但我無法找到是哪一個。
存儲和轉發的序列是here。
我試圖找出in the source codes什麼可能導致NullPointerException,但對我來說,它是沒有意義的,因爲httpMethod和messageType被定義。
謝謝大家的任何暗示
編輯: 基於註釋,使用的突觸源here。
的NPE是GET從拋出https://github.com/wso2/wso2-synapse/blob/release-2.1.7-wso2v6/modules/core/src/ main/java/org/apache/synapse/core/axis2/Axis2FlexibleMEPClient.java#L538 –
噢,感謝您的更新。什麼是解決這個問題的最好方法?它看起來像originalInMsgCtx或getOperationContext()可能爲null :( – gusto2
hmm。我想最有可能originalInMsgCtx.getOperationContext()爲null。如果originalInMsgCtx爲null你應該得到NPE之前來到那條線 –