Hi Buddhimala, By looking at the error log it seem like the JSON conversion is not working properly. Have you enabled the JSONStreamBuilder in axis2.xml?
Thanks & Regards, Mushthaq On Fri, Nov 24, 2017 at 4:23 PM, Krishan Wijesena <[email protected]> wrote: > Hi buddhimala, > > Can you check your payload of put method again, refer [1] > > [1] https://docs.wso2.com/display/AM210/Configuring+ > Caching#ConfiguringCaching-Responsecache > > Thanks, > krishan. > > On Fri, Nov 24, 2017 at 2:18 PM, Buddhimala Ranasinghe < > [email protected]> wrote: > >> Hi All, >> >> I'm trying a scenario where I need to have caching enabled to improve >> perfomance at API level.So I enabled response caching from my API. The API >> contains resources to perform CRUD operations. >> >> My problem is, when I try to invoke PUT method in my API after enabling >> response caching, it gives me the following error. >> >> [2017-11-24 14:16:39,969] ERROR - JsonUtil #writeAsJson. Payload could >> not be written as JSON. MessageID: urn:uuid:ccc5fb5c-ec7b-4e51-87 >> 9f-345cd8a54804 >> [2017-11-24 14:16:39,972] ERROR - PassThroughHttpSSLSender Failed to >> submit the response >> org.apache.axis2.AxisFault: Payload could not be written as JSON. >> at org.apache.synapse.commons.json.JsonUtil.writeAsJson(JsonUti >> l.java:276) >> at org.apache.synapse.commons.json.JsonFormatter.writeTo(JsonFo >> rmatter.java:62) >> at org.apache.synapse.transport.passthru.PassThroughHttpSender. >> submitResponse(PassThroughHttpSender.java:573) >> at org.apache.synapse.transport.passthru.PassThroughHttpSender. >> invoke(PassThroughHttpSender.java:264) >> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442) >> at org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Send >> er.java:230) >> at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(A >> xis2SynapseEnvironment.java:531) >> at org.apache.synapse.mediators.builtin.SendMediator.mediate(Se >> ndMediator.java:118) >> at org.apache.synapse.mediators.AbstractListMediator.mediate(Ab >> stractListMediator.java:97) >> at org.apache.synapse.mediators.AbstractListMediator.mediate(Ab >> stractListMediator.java:59) >> at org.apache.synapse.mediators.base.SequenceMediator.mediate(S >> equenceMediator.java:158) >> at org.apache.synapse.rest.Resource.process(Resource.java:343) >> at org.apache.synapse.rest.API.process(API.java:338) >> at org.apache.synapse.rest.RESTRequestHandler.dispatchToAPI(RES >> TRequestHandler.java:90) >> at org.apache.synapse.rest.RESTRequestHandler.process(RESTReque >> stHandler.java:56) >> at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.inject >> Message(Axis2SynapseEnvironment.java:304) >> at org.apache.synapse.core.axis2.SynapseCallbackReceiver.handle >> Message(SynapseCallbackReceiver.java:554) >> at org.apache.synapse.core.axis2.SynapseCallbackReceiver.receiv >> e(SynapseCallbackReceiver.java:188) >> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) >> at org.apache.synapse.transport.passthru.ClientWorker.run(Clien >> tWorker.java:262) >> at org.apache.axis2.transport.base.threads.NativeWorkerPool$1. >> run(NativeWorkerPool.java:172) >> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool >> Executor.java:1142) >> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo >> lExecutor.java:617) >> at java.lang.Thread.run(Thread.java:748) >> [2017-11-24 14:16:39,972] ERROR - Axis2Sender >> Access-Control-Allow-Headers:authorization,Access-Control-Al >> low-Origin,Content-Type,SOAPAction,Access-Control-Allow- >> Methods:PUT,Access-Control-Allow-Origin:*,Content-Type:application/json; >> charset=UTF-8,<?xml version='1.0' encoding='utf-8'?><soapenv:Envelope >> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";><s >> oapenv:Body/></soapenv:Envelope> Unexpected error sending message back >> org.apache.axis2.AxisFault: Failed to submit the response >> at org.apache.synapse.transport.passthru.PassThroughHttpSender. >> handleException(PassThroughHttpSender.java:632) >> at org.apache.synapse.transport.passthru.PassThroughHttpSender. >> invoke(PassThroughHttpSender.java:266) >> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442) >> at org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Send >> er.java:230) >> at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(A >> xis2SynapseEnvironment.java:531) >> at org.apache.synapse.mediators.builtin.SendMediator.mediate(Se >> ndMediator.java:118) >> at org.apache.synapse.mediators.AbstractListMediator.mediate(Ab >> stractListMediator.java:97) >> at org.apache.synapse.mediators.AbstractListMediator.mediate(Ab >> stractListMediator.java:59) >> at org.apache.synapse.mediators.base.SequenceMediator.mediate(S >> equenceMediator.java:158) >> at org.apache.synapse.rest.Resource.process(Resource.java:343) >> at org.apache.synapse.rest.API.process(API.java:338) >> at org.apache.synapse.rest.RESTRequestHandler.dispatchToAPI(RES >> TRequestHandler.java:90) >> at org.apache.synapse.rest.RESTRequestHandler.process(RESTReque >> stHandler.java:56) >> at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.inject >> Message(Axis2SynapseEnvironment.java:304) >> at org.apache.synapse.core.axis2.SynapseCallbackReceiver.handle >> Message(SynapseCallbackReceiver.java:554) >> at org.apache.synapse.core.axis2.SynapseCallbackReceiver.receiv >> e(SynapseCallbackReceiver.java:188) >> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) >> at org.apache.synapse.transport.passthru.ClientWorker.run(Clien >> tWorker.java:262) >> at org.apache.axis2.transport.base.threads.NativeWorkerPool$1. >> run(NativeWorkerPool.java:172) >> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool >> Executor.java:1142) >> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo >> lExecutor.java:617) >> at java.lang.Thread.run(Thread.java:748) >> Caused by: org.apache.axis2.AxisFault: Payload could not be written as >> JSON. >> at org.apache.synapse.commons.json.JsonUtil.writeAsJson(JsonUti >> l.java:276) >> at org.apache.synapse.commons.json.JsonFormatter.writeTo(JsonFo >> rmatter.java:62) >> at org.apache.synapse.transport.passthru.PassThroughHttpSender. >> submitResponse(PassThroughHttpSender.java:573) >> at org.apache.synapse.transport.passthru.PassThroughHttpSender. >> invoke(PassThroughHttpSender.java:264) >> >> Can you please help me to solve this problem? >> >> Thanks >> >> -- >> >> >> *Buddhimala Ranasinghe* >> Software Engineer-Support Team | WSO2 >> Emil: [email protected] >> Mobile:+94771563138 <+94%2077%20156%203138> >> Web:http://wso2.com >> [image: https://wso2.com/signature] <https://wso2.com/signature> >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > > *Krishan Wijesena* > Software Engineer | WSO2 > > Email : [email protected] > Mobile : +94776219923 <+94%2077%20621%209923> > WSO2 Inc : http://wso2.com > [image: http://wso2.com/signature] <http://wso2.com/signature> > > _______________________________________________ > Dev mailing list > [email protected] > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Mushthaq Rumy *Software Engineer* Mobile : +94 (0) 779 492140 <%2B94%20%280%29%20773%20451194> Email : [email protected] WSO2, Inc.; 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