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From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: JTA Commit Timing
Date Sat, 29 Apr 2017 07:55:47 GMT
Should be before. You can put breakpoint/logs in TxPolicy and your ejb

Le 29 avr. 2017 00:44, "Paul Carter-Brown" <paul.carter-brown@smilecoms.com>
a écrit :

> Hi Romain,
>
> A quick update. I put cxf logging on and for a typical message exchange for
> a JAX-WS service backed by an EJB.At the same time I ran a wireshark on the
> server to see the network traffic. This is for a single call under no
> concurrency so you can easily verify yourself with any SOAP service in
> TomEE:
>
> 1438 00:09:05.510294    10.0.1.57 -> 10.0.1.57    HTTP/XML 1223 POST
> /IM/IdentityManager HTTP/1.1
> 1439 00:09:05.510436    10.0.1.57 -> 10.0.1.57    TCP 68 mcreport > 40929
> [ACK] Seq=1721 Ack=7983 Win=323456 Len=0 TSval=70303912 TSecr=70303912
> 1440 00:09:05.527410    10.0.1.57 -> 10.0.1.57    HTTP/XML 1852 HTTP/1.1
> 200
> 1441 00:09:05.527453    10.0.1.57 -> 10.0.1.57    TCP 68 40929 > mcreport
> [ACK] Seq=7983 Ack=3505 Win=178944 Len=0 TSval=70303916 TSecr=70303916
>
> So at 00:09:05.510 the server got the request. Here are the server logs
> verifying this:
>
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.add]
> |Adding interceptor
> org.apache.cxf.transport.https.CertConstraintsInterceptor@64623f81 to
> phase
> pre-stream
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> outputChainToLog]
> |Chain org.apache.cxf.phase.PhaseInterceptorChain@713d71d3 was created.
> Current flow:
>   receive [PolicyInInterceptor, SaajInFaultInterceptor,
> AttachmentInInterceptor]
>   pre-stream [CertConstraintsInterceptor]
>   post-stream [StaxInInterceptor]
>   read [SAAJPreInInterceptor, WSDLGetInterceptor, ReadHeadersInterceptor,
> SoapActionInInterceptor, StartBodyInterceptor]
>   pre-protocol [SAAJInInterceptor]
>   post-protocol [CheckFaultInterceptor, JAXBAttachmentSchemaValidation
> Hack]
>   unmarshal [DocLiteralInInterceptor, SoapHeaderInterceptor]
>   pre-logical [OneWayProcessorInterceptor]
>   post-logical [WrapperClassInInterceptor]
>   pre-invoke [SwAInInterceptor, HolderInInterceptor]
>   invoke [ServiceInvokerInterceptor]
>   post-invoke [SaajInInterceptor, OutgoingChainInterceptor]
>
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.ws.policy.PolicyInInterceptor@1e78ace6
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.openejb.server.cxf.client.SaajInFaultInterceptor@1338d078
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.interceptor.AttachmentInInterceptor@5dea89fc
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.transport.https.CertConstraintsInterceptor@64623f81
> 2017/04/29 00:09:05.510 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.interceptor.StaxInInterceptor@647520af
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.add]
> |Adding interceptor
> org.apache.cxf.interceptor.StaxInEndingInterceptor@39dd4830 to phase
> pre-invoke
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> outputChainToLog]
> |Chain org.apache.cxf.phase.PhaseInterceptorChain@713d71d3 was modified.
> Current flow:
>   receive [PolicyInInterceptor, SaajInFaultInterceptor,
> AttachmentInInterceptor]
>   pre-stream [CertConstraintsInterceptor]
>   post-stream [StaxInInterceptor]
>   read [SAAJPreInInterceptor, WSDLGetInterceptor, ReadHeadersInterceptor,
> SoapActionInInterceptor, StartBodyInterceptor]
>   pre-protocol [SAAJInInterceptor]
>   post-protocol [CheckFaultInterceptor, JAXBAttachmentSchemaValidation
> Hack]
>   unmarshal [DocLiteralInInterceptor, SoapHeaderInterceptor]
>   pre-logical [OneWayProcessorInterceptor]
>   post-logical [WrapperClassInInterceptor]
>   pre-invoke [StaxInEndingInterceptor, SwAInInterceptor,
> HolderInInterceptor]
>   invoke [ServiceInvokerInterceptor]
>   post-invoke [SaajInInterceptor, OutgoingChainInterceptor]
>
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.saaj.SAAJInInterceptor$
> SAAJPreInInterceptor@6c33f463
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.frontend.WSDLGetInterceptor@11c0446f
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor@be15cc5
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.interceptor.SoapActionInInterceptor@79836009
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.interceptor.StartBodyInterceptor@70afa3ac
> 2017/04/29 00:09:05.511 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.saaj.SAAJInInterceptor@3d12954e
> .....
>
> Now lets look at the server logs around the time the response goes back and
> also see where the commit was issued:
>
> 2017/04/29 00:09:05.523 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.jaxws.handler.logical.LogicalHandlerOutInterceptor@128bf90f
> 2017/04/29 00:09:05.523 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.wsdl.interceptors.BareOutInterceptor@62b3ecb1
> 2017/04/29 00:09:05.524 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.jaxws.handler.soap.SOAPHandlerInterceptor$1@900b115
> *2017/04/29 00:09:05.527 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor$
> SoapOutEndingInterceptor@10aa05f4*
> 2017/04/29 00:09:05.527 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.binding.soap.saaj.SAAJOutInterceptor$
> SAAJOutEndingInterceptor@66cac58b
> 2017/04/29 00:09:05.527 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.interceptor.StaxOutEndingInterceptor@3304ff7d
> 2017/04/29 00:09:05.527 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.interceptor.MessageSenderInterceptor$
> MessageSenderEndingInterceptor@674adcf8
> 2017/04/29 00:09:05.529 FINE
>  [TomEE-Exec-30][224][com.smilecoms.commons.base.lifecycle.
> SmileConnectionLifecycleInterceptor.commit]
> |Commit called on [com.mysql.jdbc.JDBC4Connection@314c8b4a]
> 2017/04/29 00:09:05.529 FINE
>  [TomEE-Exec-30][224][com.smilecoms.commons.base.lifecycle.
> SmileConnectionLifecycleInterceptor.commit]
> |Stack:
> java.lang.Exception
>         at
> com.smilecoms.commons.base.lifecycle.SmileConnectionLifecycleInterc
> eptor.commit(SmileConnectionLifecycleInterceptor.java:34)
>         at com.mysql.jdbc.ConnectionImpl$2.forEach(ConnectionImpl.java:
> 1593)
>         at com.mysql.jdbc.ConnectionImpl$2.forEach(ConnectionImpl.java:
> 1592)
>         at com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:61)
>         at com.mysql.jdbc.ConnectionImpl.commit(ConnectionImpl.java:1599)
>         at sun.reflect.GeneratedMethodAccessor138.invoke(Unknown Source)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(
> DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at
> org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(
> ProxyConnection.java:126)
>         at
> org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(
> JdbcInterceptor.java:108)
>         at
> org.apache.tomcat.jdbc.pool.DisposableConnectionFacade.invoke(
> DisposableConnectionFacade.java:81)
>         at com.sun.proxy.$Proxy58.commit(Unknown Source)
>         at
> org.apache.openejb.resource.jdbc.managed.local.LocalXAResource.commit(
> LocalXAResource.java:131)
>         at
> org.apache.geronimo.transaction.manager.TransactionImpl.commitResource(
> TransactionImpl.java:627)
>         at
> org.apache.geronimo.transaction.manager.TransactionImpl.commit(
> TransactionImpl.java:305)
>         at
> org.apache.geronimo.transaction.manager.TransactionManagerImpl.commit(
> TransactionManagerImpl.java:252)
>         at
> org.apache.openejb.core.transaction.JtaTransactionPolicy.
> completeTransaction(JtaTransactionPolicy.java:331)
>         at
> org.apache.openejb.core.transaction.TxRequired.commit(TxRequired.java:76)
>         at
> org.apache.openejb.core.transaction.EjbTransactionUtil.afterInvoke(
> EjbTransactionUtil.java:77)
>         at
> org.apache.openejb.core.stateless.StatelessContainer._
> invoke(StatelessContainer.java:271)
>         at
> org.apache.openejb.core.stateless.StatelessContainer.
> invoke(StatelessContainer.java:212)
>         at
> org.apache.openejb.server.cxf.ejb.EjbMethodInvoker.
> preEjbInvoke(EjbMethodInvoker.java:125)
>         at
> org.apache.openejb.server.cxf.ejb.EjbMethodInvoker.invoke(
> EjbMethodInvoker.java:82)
>         at
> org.apache.cxf.service.invoker.AbstractInvoker.
> invoke(AbstractInvoker.java:74)
>         at
> org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.
> run(ServiceInvokerInterceptor.java:59)
>         at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at
> org.apache.cxf.interceptor.ServiceInvokerInterceptor$2.
> run(ServiceInvokerInterceptor.java:126)
>         at
> org.apache.cxf.workqueue.SynchronousExecutor.execute(
> SynchronousExecutor.java:37)
>         at
> org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(
> ServiceInvokerInterceptor.java:131)
>         at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(
> PhaseInterceptorChain.java:308)
>         at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(
> ChainInitiationObserver.java:121)
>         at
> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(
> AbstractHTTPDestination.java:262)
>         at
> org.apache.openejb.server.cxf.CxfWsContainer.onMessage(
> CxfWsContainer.java:85)
>         at
> org.apache.openejb.server.webservices.WsServlet.service(WsServlet.java:98)
>         at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> ApplicationFilterChain.java:230)
>         at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(
> ApplicationFilterChain.java:165)
>         at
> org.apache.catalina.core.StandardWrapperValve.invoke(
> StandardWrapperValve.java:198)
>         at
> org.apache.catalina.core.StandardContextValve.invoke(
> StandardContextValve.java:96)
>         at
> org.apache.catalina.core.StandardHostValve.invoke(
> StandardHostValve.java:140)
>         at
> org.apache.catalina.valves.ErrorReportValve.invoke(
> ErrorReportValve.java:79)
>         at
> org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(
> OpenEJBSecurityListener.java:97)
>         at
> org.apache.catalina.core.StandardEngineValve.invoke(
> StandardEngineValve.java:87)
>         at
> org.apache.catalina.connector.CoyoteAdapter.service(
> CoyoteAdapter.java:349)
>         at
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
>         at
> org.apache.coyote.AbstractProcessorLight.process(
> AbstractProcessorLight.java:66)
>         at
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(
> AbstractProtocol.java:798)
>         at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.
> doRun(NioEndpoint.java:1434)
>         at
> org.apache.tomcat.util.net.SocketProcessorBase.run(
> SocketProcessorBase.java:49)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(
> ThreadPoolExecutor.java:1142)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:617)
>         at
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(
> TaskThread.java:61)
>         at java.lang.Thread.run(Thread.java:745)
>
> 2017/04/29 00:09:05.529 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.openejb.server.cxf.client.SaajInInterceptor@41aa4e75
> 2017/04/29 00:09:05.530 FINE
>  [TomEE-Exec-30][224][org.apache.cxf.phase.PhaseInterceptorChain.
> doIntercept]
> |Invoking handleMessage on interceptor
> org.apache.cxf.interceptor.OutgoingChainInterceptor@564ef482
>
>
> From what I can gather from the source, the SOAP document is flushed on the
> socket in SoapOutEndingInterceptor which I have put in bold. This also
> corresponds with the wireshark timing
>
> The class looks like this:
>
> public class SoapOutEndingInterceptor extends AbstractSoapInterceptor {
>   269           public SoapOutEndingInterceptor() {
>   270               super(SoapOutEndingInterceptor.class.getName(),
> Phase.WRITE_ENDING);  271           }
>   272
>   273           public void handleMessage(SoapMessage message) throws
> Fault {
>   274               SoapVersion soapVersion = message.getVersion();
>   275               try {
>   276                   XMLStreamWriter xtw =
> message.getContent(XMLStreamWriter.class);
>   277                   if (xtw != null) {
>   278                       xtw.writeEndElement();
>   279                       // Write Envelope end element
>   280                       xtw.writeEndElement();  281
>        xtw.writeEndDocument();
>   282
>   283                       xtw.flush();
>   284                   }
>   285               } catch (XMLStreamException e) {
>   286                   throw new SoapFault(new
> org.apache.cxf.common.i18n.Message("XML_WRITE_EXC", BUNDLE), e,
>   287                                       soapVersion.getSender());
>   288               }
>   289           }
>   290       }
>
>
> The commit is only called via MessageSenderInterceptor but from the stack
> trace I can't quite work out how ServiceInvokerInterceptor is called from
> MessageSenderInterceptor so I can't explain the stack trace of the commit
> call unless it's some fancy context switching and use of completable
> futures
>
> Any ideas what's going on?
>
>
> Paul
>
> On 27 April 2017 at 10:39, Paul Carter-Brown <
> paul.carter-brown@smilecoms.com> wrote:
>
> > For sure. I will start by pulling openejb source and digging in for
> > possible causes. A few log lines here and there and im sure i can find it
> >
> > Paul
> >
> > Sent from my phone. Message may be brief and contain typos.
> >
> >
> > On 27 Apr 2017 10:25 a.m., "Romain Manni-Bucau" <rmannibucau@gmail.com>
> > wrote:
> >
> > ant / gradle are other options but something not IDE related please (or
> you
> > take the risk noone will be able to run it ;))
> >
> >
> > Romain Manni-Bucau
> > @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> > <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > <http://rmannibucau.wordpress.com> | Github <
> https://github.com/rmannibuca
> > u> |
> > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE Factory
> > <https://javaeefactory-rmannibucau.rhcloud.com>
> >
> > 2017-04-27 9:48 GMT+02:00 Paul Carter-Brown
> <paul.carter-brown@smilecoms.c
> > om
> > >:
> >
> > > Will see what I can do to reproduce for you. Maven and I do not get one
> > > well :-(
> > >
> > >
> > >
> > > On 27 April 2017 at 09:30, Romain Manni-Bucau <rmannibucau@gmail.com>
> > > wrote:
> > >
> > > > Ok, at that point maybe try to reproduce it on a small sample on
> > github -
> > > > goal is to share with us your setup more or less but not confidential
> > > data.
> > > >
> > > > You can use:
> > > >
> > > > <dependency>
> > > >   <groupId>com.wix</groupId>
> > > >   <artifactId>wix-embedded-mysql</artifactId>
> > > >   <version>2.1.4</version>
> > > > </dependency>
> > > >
> > > > And in java:
> > > >
> > > >
> > > > EmbeddedMysql.anEmbeddedMysql(MysqldConfig
> > > >         .aMysqldConfig(Version.v5_7_17)
> > > >         .withPort(Integer.parseInt(port))
> > > >         .withUser("user", "pass")
> > > >         .build());
> > > > final EmbeddedMysql mysql = builder.start()
> > > >         .addSchema(SchemaConfig.aSchemaConfig("test").build());
> > > >
> > > >
> > > > To write a test with a running MySQL (first time you launch it
> > downloads
> > > > mysql so it can be a bit long but then it is cached.
> > > >
> > > > This way we could grab it locally and investigate a bit more.
> > > >
> > > > Romain Manni-Bucau
> > > > @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> > > > <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > > > <http://rmannibucau.wordpress.com> | Github <
> > > https://github.com/rmannibuca
> > > > u> |
> > > > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE Factory
> > > > <https://javaeefactory-rmannibucau.rhcloud.com>
> > > >
> > > > 2017-04-27 6:06 GMT+02:00 Paul Carter-Brown
> > > <paul.carter-brown@smilecoms.c
> > > > om
> > > > >:
> > > >
> > > > > No. Autocommit is off
> > > > >
> > > > > Paul
> > > > >
> > > > > Sent from my phone. Message may be brief and contain typos.
> > > > >
> > > > >
> > > > > On 27 Apr 2017 12:47 a.m., "Romain Manni-Bucau" <
> > rmannibucau@gmail.com
> > > >
> > > > > wrote:
> > > > >
> > > > > > Are you in autocommit mode?
> > > > > >
> > > > > > Le 26 avr. 2017 22:37, "Paul Carter-Brown"
> > > > <paul.carter-brown@smilecoms.
> > > > > > com>
> > > > > > a écrit :
> > > > > >
> > > > > > > Hi,
> > > > > > >
> > > > > > > Unfortunately, the same result with dbcp2. I also turned on
> mysql
> > > > > general
> > > > > > > query log and can see the commit come through after the select
> > > comes
> > > > in
> > > > > > on
> > > > > > > another connection:
> > > > > > >
> > > > > > >
> > > > > > > 2017-04-26T19:46:22.243742Z 20038 Query INSERT INTO
> > > > > > > SmileDB.customer_profile ... <removed>
> > > > > > > 2017-04-26T19:46:22.245984Z 20038 Query SELECT LAST_INSERT_ID()
> > > > > > > 2017-04-26T19:46:22.291193Z 20038 Query select
> > > @@session.tx_read_only
> > > > > > > 2017-04-26T19:46:22.317914Z      20031 Query     SET
> autocommit=0
> > > > > > > 2017-04-26T19:46:22.318088Z      20031 Query     SELECT * FROM
> > > > > > > SmileDB.customer_profile WHERE CUSTOMER_PROFILE_ID=1267253 AND
> > > > > > STATUS='AC'
> > > > > > > 2017-04-26T19:46:22.372481Z 20038 Query commit
> > > > > > >
> > > > > > >
> > > > > > > And here is the log of the lifecycle listener getting commit
> > > called:
> > > > > > >
> > > > > > > 2017/04/26 21:46:22.293 FINE    [TomEE-Exec-31][301][com.
> > > > > > > smilecoms.commons.base.lifecycle.
> SmileConnectionLifecycleInterc
> > > > > > > eptor.commit]
> > > > > > > |Commit called
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > On 26 April 2017 at 17:12, Romain Manni-Bucau <
> > > rmannibucau@gmail.com
> > > > >
> > > > > > > wrote:
> > > > > > >
> > > > > > > > maybe switch to dbcp pool to see if it behaves the same, if
> not
> > > can
> > > > > be
> > > > > > an
> > > > > > > > equals/hashcode issue
> > > > > > > >
> > > > > > > >
> > > > > > > > Romain Manni-Bucau
> > > > > > > > @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> > > > > > > > <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > > > > > > > <http://rmannibucau.wordpress.com> | Github <
> > > > > > > https://github.com/rmannibuca
> > > > > > > > u> |
> > > > > > > > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE
> > > > Factory
> > > > > > > > <https://javaeefactory-rmannibucau.rhcloud.com>
> > > > > > > >
> > > > > > > > 2017-04-26 16:45 GMT+02:00 Paul Carter-Brown <
> > > > > > > > paul.carter-brown@smilecoms.com>:
> > > > > > > >
> > > > > > > > > Hi Romain,
> > > > > > > > >
> > > > > > > > > In order to better understand the commit timing, I have put
> > > some
> > > > > > > logging
> > > > > > > > in
> > > > > > > > > a custom MySQL ConnectionLifecycleInterceptor so that I can
> > do
> > > a
> > > > > > stack
> > > > > > > > > trace when commit is called and see where it's called
> > relative
> > > to
> > > > > the
> > > > > > > > SOAP
> > > > > > > > > service invocation. I also put a Thread.sleep(1000) in the
> > > commit
> > > > > > > method
> > > > > > > > of
> > > > > > > > > my ConnectionLifecycleInterceptor to see how it influenced
> > the
> > > > > > response
> > > > > > > > > going back to the client. Whats very strange is that the
> > 1000ms
> > > > > sleep
> > > > > > > > does
> > > > > > > > > result in the response taking almost 1000ms longer. I say
> > > almost,
> > > > > > > because
> > > > > > > > > again when running with multiple threads, I can get a
> > situation
> > > > > where
> > > > > > > the
> > > > > > > > > response beats the completion of the commit. I cannot
> create
> > > this
> > > > > > when
> > > > > > > > the
> > > > > > > > > client has only one thread. Here is a log snippet showing
> the
> > > > > > scenario:
> > > > > > > > >
> > > > > > > > > 1) Here is our ConnectionLifecycleInterceptor getting the
> > > commit
> > > > > call
> > > > > > > and
> > > > > > > > > logging the stack before sleeping for 1000ms. Its
> committing
> > a
> > > > new
> > > > > > row
> > > > > > > > with
> > > > > > > > > ID 615867
> > > > > > > > > 2017/04/26 16:22:50.592 FINE
> > > > > > > > >  [TomEE-Exec-15][207][com.smilecoms.commons.base.
> lifecycle.
> > > > > > > > > SmileConnectionLifecycleInterceptor.commit]
> > > > > > > > > |Commit called
> > > > > > > > > 2017/04/26 16:22:50.593 FINE
> > > > > > > > >  [TomEE-Exec-15][207][com.smilecoms.commons.base.
> lifecycle.
> > > > > > > > > SmileConnectionLifecycleInterceptor.commit]
> > > > > > > > > |Stack in commit. Sleeping now:
> > > > > > > > > java.lang.Exception
> > > > > > > > >         at
> > > > > > > > > com.smilecoms.commons.base.lifecycle.
> > > > > SmileConnectionLifecycleInterc
> > > > > > > > > eptor.commit(SmileConnectionLifecycleInterceptor.java:32)
> > > > > > > > >         at com.mysql.jdbc.ConnectionImpl$
> > > > > > > 2.forEach(ConnectionImpl.java:
> > > > > > > > > 1593)
> > > > > > > > >         at com.mysql.jdbc.ConnectionImpl$
> > > > > > > 2.forEach(ConnectionImpl.java:
> > > > > > > > > 1592)
> > > > > > > > >         at com.mysql.jdbc.IterateBlock.
> > > > > > doForAll(IterateBlock.java:61)
> > > > > > > > >         at com.mysql.jdbc.ConnectionImpl.
> > > > > > > commit(ConnectionImpl.java:159
> > > > > > > > 9)
> > > > > > > > >         at sun.reflect.GeneratedMethodAccessor137.
> > > invoke(Unknown
> > > > > > > Source)
> > > > > > > > >         at
> > > > > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(
> > > > > > > > > DelegatingMethodAccessorImpl.java:43)
> > > > > > > > >         at java.lang.reflect.Method.
> invoke(Method.java:498)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(
> > > > > > > > > ProxyConnection.java:126)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(
> > > > > > > > > JdbcInterceptor.java:108)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomcat.jdbc.pool.DisposableConnectionFacade.
> invok
> > e(
> > > > > > > > > DisposableConnectionFacade.java:81)
> > > > > > > > >         at com.sun.proxy.$Proxy58.commit(Unknown Source)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.resource.jdbc.managed.local.
> > > > > > LocalXAResource.commit(
> > > > > > > > > LocalXAResource.java:131)
> > > > > > > > >         at
> > > > > > > > > org.apache.geronimo.transaction.manager.TransactionImpl.
> > > > > > > commitResource(
> > > > > > > > > TransactionImpl.java:627)
> > > > > > > > >         at
> > > > > > > > > org.apache.geronimo.transaction.manager.
> > > TransactionImpl.commit(
> > > > > > > > > TransactionImpl.java:305)
> > > > > > > > >         at
> > > > > > > > > org.apache.geronimo.transaction.manager.
> > > > > > TransactionManagerImpl.commit(
> > > > > > > > > TransactionManagerImpl.java:252)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.core.transaction.JtaTransactionPolicy.
> > > > > > > > > completeTransaction(JtaTransactionPolicy.java:331)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.core.transaction.TxRequired.commit(
> TxRequ
> > > > > > > > ired.java:76)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.core.transaction.EjbTransactionUtil.
> > > > > afterInvoke(
> > > > > > > > > EjbTransactionUtil.java:77)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.core.stateless.StatelessContainer._
> > > > > > > > > invoke(StatelessContainer.java:271)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.core.stateless.StatelessContainer.
> > > > > > > > > invoke(StatelessContainer.java:212)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.server.cxf.ejb.EjbMethodInvoker.
> > > > > > > > > preEjbInvoke(EjbMethodInvoker.java:125)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.server.cxf.ejb.EjbMethodInvoker.invoke(
> > > > > > > > > EjbMethodInvoker.java:82)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.service.invoker.AbstractInvoker.
> > > > > > > > > invoke(AbstractInvoker.java:74)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.
> > > > > > > > > run(ServiceInvokerInterceptor.java:59)
> > > > > > > > >         at
> > > > > > > > > java.util.concurrent.Executors$RunnableAdapter.
> > > > > > > call(Executors.java:511)
> > > > > > > > >         at java.util.concurrent.FutureTask.run(FutureTask.
> > > > > java:266)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.interceptor.ServiceInvokerInterceptor$2.
> > > > > > > > > run(ServiceInvokerInterceptor.java:126)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.workqueue.SynchronousExecutor.execute(
> > > > > > > > > SynchronousExecutor.java:37)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.interceptor.ServiceInvokerInterceptor.
> > > > > handleMessage(
> > > > > > > > > ServiceInvokerInterceptor.java:131)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(
> > > > > > > > > PhaseInterceptorChain.java:308)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.transport.ChainInitiationObserver.
> onMessage(
> > > > > > > > > ChainInitiationObserver.java:121)
> > > > > > > > >         at
> > > > > > > > > org.apache.cxf.transport.http.
> AbstractHTTPDestination.invoke
> > (
> > > > > > > > > AbstractHTTPDestination.java:262)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.server.cxf.CxfWsContainer.onMessage(
> > > > > > > > > CxfWsContainer.java:85)
> > > > > > > > >         at
> > > > > > > > > org.apache.openejb.server.webservices.WsServlet.service(
> WsSe
> > > > > > > > rvlet.java:98)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.core.ApplicationFilterChain.
> internalDoFi
> > > > lter(
> > > > > > > > > ApplicationFilterChain.java:230)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(
> > > > > > > > > ApplicationFilterChain.java:165)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.core.StandardWrapperValve.invoke(
> > > > > > > > > StandardWrapperValve.java:198)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.core.StandardContextValve.invoke(
> > > > > > > > > StandardContextValve.java:96)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.core.StandardHostValve.invoke(
> > > > > > > > > StandardHostValve.java:140)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.valves.ErrorReportValve.invoke(
> > > > > > > > > ErrorReportValve.java:79)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomee.catalina.OpenEJBSecurityListener$
> RequestCap
> > > > > > > > turer.invoke(
> > > > > > > > > OpenEJBSecurityListener.java:97)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.core.StandardEngineValve.invoke(
> > > > > > > > > StandardEngineValve.java:87)
> > > > > > > > >         at
> > > > > > > > > org.apache.catalina.connector.CoyoteAdapter.service(
> > > > > > > > > CoyoteAdapter.java:349)
> > > > > > > > >         at
> > > > > > > > > org.apache.coyote.http11.Http11Processor.service(
> Http11Proce
> > > > > > > > ssor.java:783)
> > > > > > > > >         at
> > > > > > > > > org.apache.coyote.AbstractProcessorLight.process(
> > > > > > > > > AbstractProcessorLight.java:66)
> > > > > > > > >         at
> > > > > > > > > org.apache.coyote.AbstractProtocol$ConnectionHandler.
> > process(
> > > > > > > > > AbstractProtocol.java:798)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.
> > > > > > > > > doRun(NioEndpoint.java:1434)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomcat.util.net.SocketProcessorBase.run(
> > > > > > > > > SocketProcessorBase.java:49)
> > > > > > > > >         at
> > > > > > > > > java.util.concurrent.ThreadPoolExecutor.runWorker(
> > > > > > > > > ThreadPoolExecutor.java:1142)
> > > > > > > > >         at
> > > > > > > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(
> > > > > > > > > ThreadPoolExecutor.java:617)
> > > > > > > > >         at
> > > > > > > > > org.apache.tomcat.util.threads.TaskThread$
> > > WrappingRunnable.run(
> > > > > > > > > TaskThread.java:61)
> > > > > > > > >         at java.lang.Thread.run(Thread.java:745)
> > > > > > > > >
> > > > > > > > > 2) Now here is the clients request being processed in our
> EJB
> > > > > looking
> > > > > > > for
> > > > > > > > > the row that was created above but is not finished
> committing
> > > > yet.
> > > > > > The
> > > > > > > > row
> > > > > > > > > with ID 615867 is not found.
> > > > > > > > > 2017/04/26 16:22:51.588 FINE
> > > > > > > > >  [TomEE-Exec-10][202][com.smilecoms.im.IdentityManager.
> > > > > getCustomers]
> > > > > > > > > |Looking up a single customer with ID [615867]
> > > > > > > > > 3) Here is the sleep having finished.
> > > > > > > > > 2017/04/26 16:22:51.594 FINE
> > > > > > > > >  [TomEE-Exec-15][207][com.smilecoms.commons.base.
> lifecycle.
> > > > > > > > > SmileConnectionLifecycleInterceptor.commit]
> > > > > > > > > |Commit sleep finished
> > > > > > > > >
> > > > > > > > > I would expect that only after 2017/04/26 16:22:51.594
> would
> > > the
> > > > > > client
> > > > > > > > > receive the SOAP response to the insert but clearly that is
> > not
> > > > the
> > > > > > > case.
> > > > > > > > > It is slowed down by the sleep but there still seems to be
> > some
> > > > > race
> > > > > > > > > condition where it somehow can still beat the commit
> > returning.
> > > > If
> > > > > > the
> > > > > > > > > commit were called after sending the response or in
> parallel
> > to
> > > > > doing
> > > > > > > so
> > > > > > > > > then I would have expected the 1000ms sleep to not impact
> the
> > > > > > response
> > > > > > > > time
> > > > > > > > > of the service. Very very strange....
> > > > > > > > >
> > > > > > > > > Here is the code snippet of my
> SmileConnectionLifecycleInterc
> > > > > eptor:
> > > > > > > > >
> > > > > > > > > public class SmileConnectionLifecycleInterceptor
> implements
> > > > > > > > > ConnectionLifecycleInterceptor {
> > > > > > > > >
> > > > > > > > >     private static final Logger log =
> > > > > > > > > LoggerFactory.getLogger(SmileConnectionLifecycleInterc
> > > > > eptor.class);
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >     @Override
> > > > > > > > >     public boolean commit() throws SQLException {
> > > > > > > > >         log.debug("Commit called");
> > > > > > > > >         log.debug("Stack in commit. Sleeping now: ", new
> > > > > > Exception());
> > > > > > > > >         try {
> > > > > > > > >             Thread.sleep(1000);
> > > > > > > > >         } catch (Exception e) {
> > > > > > > > >
> > > > > > > > >         }
> > > > > > > > >         log.debug("Commit sleep finished");
> > > > > > > > >         return true;
> > > > > > > > >     }
> > > > > > > > > ...
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Any thoughts?
> > > > > > > > >
> > > > > > > > > Paul
> > > > > > > > >
> > > > > > > > > On 26 April 2017 at 13:50, Paul Carter-Brown <
> > > > > > > > > paul.carter-brown@smilecoms.com> wrote:
> > > > > > > > >
> > > > > > > > > > Thought so. Let me try and create a reproducable test
> case
> > > and
> > > > > let
> > > > > > > you
> > > > > > > > > > know what i find
> > > > > > > > > >
> > > > > > > > > > Paul
> > > > > > > > > >
> > > > > > > > > > Sent from my phone. Message may be brief and contain
> typos.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On 26 Apr 2017 13:35, "Romain Manni-Bucau" <
> > > > > rmannibucau@gmail.com>
> > > > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > >> Hi
> > > > > > > > > >>
> > > > > > > > > >> Shouldn't be possible since it would assume this flow:
> > > > > > > > > >>
> > > > > > > > > >> thread1. start tx                  | thread2. -
> > > > > > > > > >> thread1. create the entry    | thread2. -
> > > > > > > > > >> thread1. serialize the entry | thread2. -
> > > > > > > > > >> thread1. commit tx              | thread2. - find the
> > entry
> > > > > > > > > >> thread1.                              | thread2. - fails
> > > > > > > > > >>
> > > > > > > > > >> The commit will happen
> > > > > > > > > >> in org.apache.openejb.server.cxf.
> > > ejb.EjbMethodInvoker#invoke
> > > > > > where
> > > > > > > > the
> > > > > > > > > >> serialization happens after
> > > > > > > > > >> in org.apache.cxf.jaxb.io.DataWriterImpl#write(java.
> > > > > lang.Object,
> > > > > > > > > >> org.apache.cxf.service.model.MessagePartInfo, T)
> > > > > > > > > >>
> > > > > > > > > >> Only case it should be possible to happen is if you
> > wrapped
> > > > > jaxws
> > > > > > > > > >> servlet/layer with a custom transaction management
> > (through
> > > a
> > > > > > filter
> > > > > > > > for
> > > > > > > > > >> instance) which would start/commit outside default JAXWS
> > > > > handling.
> > > > > > > > > >>
> > > > > > > > > >>
> > > > > > > > > >> Romain Manni-Bucau
> > > > > > > > > >> @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> > > > > > > > > >> <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > > > > > > > > >> <http://rmannibucau.wordpress.com> | Github <
> > > > > > > > > >> https://github.com/rmannibucau> |
> > > > > > > > > >> LinkedIn <https://www.linkedin.com/in/rmannibucau> |
> > JavaEE
> > > > > > Factory
> > > > > > > > > >> <https://javaeefactory-rmannibucau.rhcloud.com>
> > > > > > > > > >>
> > > > > > > > > >> 2017-04-26 12:59 GMT+02:00 Paul Carter-Brown <
> > > > > > > > > >> paul.carter-brown@smilecoms.com>:
> > > > > > > > > >>
> > > > > > > > > >> > Hi
> > > > > > > > > >> >
> > > > > > > > > >> > I have a call flow as follows in tomee:
> > > > > > > > > >> >
> > > > > > > > > >> > 1. Client calls jaxws service that adds a row into
> mysql
> > > > > table.
> > > > > > > EJB
> > > > > > > > is
> > > > > > > > > >> > using JTA with eclipselink JPA entity bean. Seevice
> > > returns
> > > > > the
> > > > > > > > > primary
> > > > > > > > > >> key
> > > > > > > > > >> > of the row just added.
> > > > > > > > > >> > 2. Client uses returned soap message that contains the
> > > > primary
> > > > > > key
> > > > > > > > and
> > > > > > > > > >> > calls a second service that does a select for the row
> in
> > > > > > question.
> > > > > > > > > >> >
> > > > > > > > > >> > The service in 1 and 2 is in the same tomee instance
> and
> > > > > caching
> > > > > > > in
> > > > > > > > > jpa
> > > > > > > > > >> is
> > > > > > > > > >> > disabled. Tx isolation isread committed.
> > > > > > > > > >> >
> > > > > > > > > >> > Under high load and concurrency doing about 1000 tps i
> > get
> > > > > > about a
> > > > > > > > 20%
> > > > > > > > > >> > failure rate where the service at stage 2 cannot find
> > the
> > > > row
> > > > > > > > inserted
> > > > > > > > > >> at
> > > > > > > > > >> > stage 1. The row is inserted at some stage as i do see
> > it
> > > in
> > > > > the
> > > > > > > db.
> > > > > > > > > >> Its as
> > > > > > > > > >> > though service 1 is returning prior to the database
> > having
> > > > > > > committed
> > > > > > > > > the
> > > > > > > > > >> > data. My understanding is that this should not be
> > possible
> > > > as
> > > > > it
> > > > > > > > would
> > > > > > > > > >> > create all sorts of inconsistencies. Is what i am
> > > observing
> > > > > > > expected
> > > > > > > > > >> > behaviour?
> > > > > > > > > >> >
> > > > > > > > > >> > Paul
> > > > > > > > > >> >
> > > > > > > > > >> > Sent from my phone. Message may be brief and contain
> > > typos.
> > > > > > > > > >> >
> > > > > > > > > >> > --
> > > > > > > > > >> >
> > > > > > > > > >> >
> > > > > > > > > >> > This email is subject to the disclaimer of Smile
> > > > > Communications
> > > > > > at
> > > > > > > > > >> > http://www.smilecoms.com/home/email-disclaimer/ <
> > > > > > > > > >> http://www.smilecoms.com/
> > > > > > > > > >> > disclaimer>
> > > > > > > > > >> >
> > > > > > > > > >> >
> > > > > > > > > >>
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > >
> > > > > > > > > *Paul Carter-Brown*
> > > > > > > > >
> > > > > > > > > *Group Chief Information Officer*
> > > > > > > > >
> > > > > > > > > *Smile Communications Pty (Ltd)       *
> > > > > > > > > Smile +234 (0) 702 000 1234
> > > > > > > > > Mobile +27 (0) 83 4427 179
> > > > > > > > > Skype PaulC-B
> > > > > > > > > paul.carter-brown@smilecoms.com
> > > > > > > > > www.smilecoms.com
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > This email is subject to the disclaimer of Smile
> > Communications
> > > > at
> > > > > > > > > http://www.smilecoms.com/home/email-disclaimer/ <
> > > > > > > > http://www.smilecoms.com/
> > > > > > > > > disclaimer>
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > >
> > > > > > > *Paul Carter-Brown*
> > > > > > >
> > > > > > > *Group Chief Information Officer*
> > > > > > >
> > > > > > > *Smile Communications Pty (Ltd)       *
> > > > > > > Smile +234 (0) 702 000 1234 <+234%20702%20000%201234>
> > > > > > > Mobile +27 (0) 83 4427 179
> > > > > > > Skype PaulC-B
> > > > > > > paul.carter-brown@smilecoms.com
> > > > > > > www.smilecoms.com
> > > > > > >
> > > > > > > --
> > > > > > >
> > > > > > >
> > > > > > > This email is subject to the disclaimer of Smile Communications
> > at
> > > > > > > http://www.smilecoms.com/home/email-disclaimer/ <
> > > > > > http://www.smilecoms.com/
> > > > > > > disclaimer>
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > > > --
> > > > >
> > > > >
> > > > > This email is subject to the disclaimer of Smile Communications at
> > > > > http://www.smilecoms.com/home/email-disclaimer/ <
> > > > http://www.smilecoms.com/
> > > > > disclaimer>
> > > > >
> > > > >
> > > >
> > >
> > >
> > >
> > > --
> > >
> > > *Paul Carter-Brown*
> > >
> > > *Group Chief Information Officer*
> > >
> > > *Smile Communications Pty (Ltd)       *
> > > Smile +234 (0) 702 000 1234 <+234%20702%20000%201234>
> > > Mobile +27 (0) 83 4427 179
> > > Skype PaulC-B
> > > paul.carter-brown@smilecoms.com
> > > www.smilecoms.com
> > >
> > > --
> > >
> > >
> > > This email is subject to the disclaimer of Smile Communications at
> > > http://www.smilecoms.com/home/email-disclaimer/ <
> > http://www.smilecoms.com/
> > > disclaimer>
> > >
> > >
> >
> >
> >
>
>
> --
>
> *Paul Carter-Brown*
>
> *Group Chief Information Officer*
>
> *Smile Communications Pty (Ltd)       *
> Smile +234 (0) 702 000 1234
> Mobile +27 (0) 83 4427 179
> Skype PaulC-B
> paul.carter-brown@smilecoms.com
> www.smilecoms.com
>
> --
>
>
> This email is subject to the disclaimer of Smile Communications at
> http://www.smilecoms.com/home/email-disclaimer/ <http://www.smilecoms.com/
> disclaimer>
>
>

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