I can remember sometime back, when I accidentally used the servlet transport for a proxy service, requests started to fail under some load. When I rechecked and changed the ports to nio, everything went smoothly. So I think we have to do some load testing as well.
Thanks, ~Isuru On Sat, Jul 9, 2011 at 12:24 AM, Kasun Indrasiri <[email protected]> wrote: > > > On Sat, Jul 9, 2011 at 12:22 AM, Hiranya Jayathilaka <[email protected]>wrote: > >> >> >> On Sat, Jul 9, 2011 at 12:16 AM, Dimuthu Leelarathne >> <[email protected]>wrote: >> >>> Hi all, >>> >>> I am not an ESB expert but, shall we drop Aggregator mediator and go >>> ahead with servlet transport? We need to code freeze on Monday. >>> >> >> We can mention it as a known issue for this release. Not many users use >> the Aggregate mediator. So shouldn't be a big issue. After the release rush >> let's try and get the aggregate mediator to work with the blocking >> transport. >> >> > +1 > If there are no any other concerns, I will do the necessary changes and > commit them. > >> >>> WDYT? >>> >>> tx, >>> dimuthul >>> >>> >>> On Wed, Jul 6, 2011 at 11:09 AM, Afkham Azeez <[email protected]> wrote: >>> >>>> No. We agreed on me trying to look into multiple HTTP/S port support for >>>> a single member. I didn't have time to look into that, but will do so. The >>>> primary plan is to get ESB working with servlet transport. If not, ESB may >>>> not be fronted with LB. >>>> >>>> >>>> On Wed, Jul 6, 2011 at 10:54 AM, Supun Kamburugamuva <[email protected]>wrote: >>>> >>>>> I thought we agreed not to use the servlet transport. Are we going to >>>>> switch to servlet transport? >>>>> >>>>> Thanks, >>>>> Supun.. >>>>> >>>>> On Wed, Jul 6, 2011 at 8:38 AM, Hiranya Jayathilaka >>>>> <[email protected]>wrote: >>>>> >>>>>> >>>>>> >>>>>> On Wed, Jul 6, 2011 at 6:28 AM, Afkham Azeez <[email protected]> wrote: >>>>>> >>>>>>> Hiranya, can you please work on this? >>>>>>> >>>>>> >>>>>> I just ran a bunch of samples with the servlet transport and the >>>>>> situation looks fairly ok. I only encountered two issues: >>>>>> >>>>>> 1. Main sequence cannot be hit directly. Any request to >>>>>> http://server:9763 receives a 302 back. The request URL must contain >>>>>> the /services or some other registered context. I think this is due to >>>>>> the >>>>>> Carbon/Tomcat servlet configuration. >>>>>> >>>>>> 2. Aggregate mediator doesn't work. I get the following exception: >>>>>> >>>>>> [2011-07-06 08:29:30,976] ERROR - SynapseXPath Evaluation of the XPath >>>>>> expression //m0:getQuoteResponse resulted in an error >>>>>> org.apache.axiom.om.OMException: com.ctc.wstx.exc.WstxIOException: >>>>>> Attempted read on closed stream. >>>>>> at >>>>>> org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:296) >>>>>> at >>>>>> org.apache.axiom.om.impl.llom.OMDocumentImpl.buildNext(OMDocumentImpl.java:135) >>>>>> at >>>>>> org.apache.axiom.om.impl.llom.OMNodeImpl.getNextOMSibling(OMNodeImpl.java:122) >>>>>> at >>>>>> org.apache.axiom.om.impl.llom.OMElementImpl.getNextOMSibling(OMElementImpl.java:343) >>>>>> at >>>>>> org.apache.axiom.om.impl.traverse.OMChildrenIterator.getNextNode(OMChildrenIterator.java:36) >>>>>> at >>>>>> org.apache.axiom.om.impl.traverse.OMAbstractIterator.hasNext(OMAbstractIterator.java:58) >>>>>> at >>>>>> org.jaxen.util.DescendantAxisIterator.hasNext(DescendantAxisIterator.java:101) >>>>>> at org.jaxen.expr.DefaultStep.evaluate(DefaultStep.java:152) >>>>>> at >>>>>> org.jaxen.expr.DefaultLocationPath.evaluate(DefaultLocationPath.java:140) >>>>>> at >>>>>> org.jaxen.expr.DefaultAbsoluteLocationPath.evaluate(DefaultAbsoluteLocationPath.java:113) >>>>>> at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102) >>>>>> at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:674) >>>>>> at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:213) >>>>>> at org.jaxen.BaseXPath.evaluate(BaseXPath.java:172) >>>>>> at >>>>>> org.apache.synapse.util.xpath.SynapseXPath.evaluate(SynapseXPath.java:239) >>>>>> at >>>>>> org.apache.synapse.mediators.eip.EIPUtils.getMatchingElements(EIPUtils.java:66) >>>>>> at >>>>>> org.apache.synapse.mediators.eip.EIPUtils.enrichEnvelope(EIPUtils.java:117) >>>>>> at >>>>>> org.apache.synapse.mediators.eip.aggregator.AggregateMediator.getAggregatedMessage(AggregateMediator.java:367) >>>>>> at >>>>>> org.apache.synapse.mediators.eip.aggregator.AggregateMediator.completeAggregate(AggregateMediator.java:314) >>>>>> at >>>>>> org.apache.synapse.mediators.eip.aggregator.AggregateMediator.mediate(AggregateMediator.java:259) >>>>>> at >>>>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60) >>>>>> at >>>>>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114) >>>>>> at >>>>>> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:219) >>>>>> at >>>>>> org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:364) >>>>>> at >>>>>> org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:159) >>>>>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181) >>>>>> at >>>>>> org.apache.synapse.core.axis2.DynamicAxisOperation$DynamicOperationClient.send(DynamicAxisOperation.java:235) >>>>>> at >>>>>> org.apache.synapse.core.axis2.DynamicAxisOperation$DynamicOperationClient.executeImpl(DynamicAxisOperation.java:174) >>>>>> at >>>>>> org.apache.axis2.client.OperationClient.execute(OperationClient.java:165) >>>>>> at >>>>>> org.apache.synapse.core.axis2.Axis2FlexibleMEPClient.send(Axis2FlexibleMEPClient.java:411) >>>>>> at >>>>>> org.apache.synapse.core.axis2.Axis2Sender.sendOn(Axis2Sender.java:57) >>>>>> at >>>>>> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:271) >>>>>> at >>>>>> org.apache.synapse.endpoints.AbstractEndpoint.send(AbstractEndpoint.java:292) >>>>>> at >>>>>> org.apache.synapse.endpoints.AddressEndpoint.send(AddressEndpoint.java:59) >>>>>> at >>>>>> org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:87) >>>>>> at >>>>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60) >>>>>> at >>>>>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114) >>>>>> at >>>>>> org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:69) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>>>>> at >>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>>>>> at java.lang.Thread.run(Thread.java:619) >>>>>> Caused by: com.ctc.wstx.exc.WstxIOException: Attempted read on closed >>>>>> stream. >>>>>> at com.ctc.wstx.sr.StreamScanner.throwFromIOE(StreamScanner.java:708) >>>>>> at >>>>>> com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1086) >>>>>> at >>>>>> org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper.next(XMLStreamReaderWrapper.java:225) >>>>>> at >>>>>> org.apache.axiom.util.stax.dialect.DisallowDoctypeDeclStreamReaderWrapper.next(DisallowDoctypeDeclStreamReaderWrapper.java:34) >>>>>> at >>>>>> org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper.next(XMLStreamReaderWrapper.java:225) >>>>>> at >>>>>> org.apache.axiom.om.impl.builder.StAXOMBuilder.parserNext(StAXOMBuilder.java:681) >>>>>> at >>>>>> org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:214) >>>>>> ... 40 more >>>>>> >>>>>> This mediator is written assuming the non-blocking behavior. I'm not >>>>>> sure how easy to fix this. I remember a similar discussion on >>>>>> synapse-dev@regarding this. >>>>>> >>>>>> Other than that everything seems fine. I tested simple routing, >>>>>> filtering, transformations, script mediator, enrich mediator, security >>>>>> and >>>>>> RM. Will see what we can do about the aggregate mediator. >>>>>> >>>>>> Thanks, >>>>>> Hiranya >>>>>> >>>>>> >>>>>>> ---- >>>>>>> Sent from my phone >>>>>>> On Jul 6, 2011 1:19 AM, "Afkham Azeez" <[email protected]> wrote: >>>>>>> > ESB team, what is the status of this? >>>>>>> > >>>>>>> > ---- >>>>>>> > Sent from my phone >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Hiranya Jayathilaka >>>>>> Associate Technical Lead; >>>>>> WSO2 Inc.; http://wso2.org >>>>>> E-mail: [email protected]; Mobile: +94 77 633 3491 >>>>>> Blog: http://techfeast-hiranya.blogspot.com >>>>>> >>>>>> _______________________________________________ >>>>>> Carbon-dev mailing list >>>>>> [email protected] >>>>>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>>>>> >>>>>> >>>>> >>>> >>>> >>>> -- >>>> *Afkham Azeez* >>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>> Member; Apache Software Foundation; http://www.apache.org/ >>>> * <http://www.apache.org/>** >>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>> twitter: >>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>> * >>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>> * >>>> * >>>> *Lean . Enterprise . Middleware* >>>> >>>> >>>> _______________________________________________ >>>> Carbon-dev mailing list >>>> [email protected] >>>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>>> >>>> >>> >>> _______________________________________________ >>> Carbon-dev mailing list >>> [email protected] >>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>> >>> >> >> >> -- >> Hiranya Jayathilaka >> Associate Technical Lead; >> WSO2 Inc.; http://wso2.org >> E-mail: [email protected]; Mobile: +94 77 633 3491 >> Blog: http://techfeast-hiranya.blogspot.com >> >> _______________________________________________ >> Carbon-dev mailing list >> [email protected] >> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >> >> > > > -- > Kasun Indrasiri > Associate Technical Lead > WSO2, Inc.; http://wso2.com > lean.enterprise.middleware > > cell: +94 71 536 4128 > Blog : http://kasunpanorama.blogspot.com/ > > _______________________________________________ > Carbon-dev mailing list > [email protected] > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev > > -- Isuru Suriarachchi Technical Lead & Product Manager, WSO2 Application Server WSO2 Inc. http://wso2.com email : [email protected] blog : http://isurues.wordpress.com/ lean . enterprise . middleware
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