Great! For sure, would be nice see a public version of your project. Can you share a gist or a public git repo?
Thanks ;-) Em 26 de jul de 2017 1:04 AM, "Matthew Shaw" < [email protected]> escreveu: > Hi, > > For anyone that's interested I got a working solution integrating an ejb2 > running on a remote instance of weblogic10.3.6 using karaf and camel as my > client. > > The fundamental issue was that when using weblogic's t3 protocol (whatever > you do don't try this with CORBA), the jndi lookup and other jndi like > innvocations use the thread context class loader. So wherever you make jndi > innvocations you must set the thread context class loader to the bundle > class loader. > > This took me weeks to solve with a lot of pain in between. So if you are > experiencing similar reqs let me know and I'd be happy to share the source > code with you. > > I also removed bluerprint and use declarative services only, this made > debugging a heck a lot of easier rather than sifting through proxy stack > traces. > > Anyhow, hope it helps someone. My life and understanding of osgi are a lot > better now! :-) lol > > Cheers, > Matt. > > -----Original Message----- > From: Claus Ibsen [mailto:[email protected]] > Sent: Monday, 10 July 2017 5:07 PM > To: [email protected] > Subject: Re: camel route to remote EJB using karaf blueprint > > You can try from camelContext there is a getApplicationContextClassLoader > method you can try using. > > On Mon, Jul 10, 2017 at 1:37 AM, Matthew Shaw <[email protected]. > gov.au> wrote: > > Thanks Claus, I can't change the source system, so I have to consume the > ejb from osgi unfortunately. In the scenario below, I do have it working, > partially, as you say, I'm now battling classloader issues. Trawling the > posts I have read about setting the > Thread.currentThread().setClassContextLoader() > to the bundle context, but that does nothing to help me. > > > > Would I be correct in assuming that because I am loading the camel > context via a blueprint and apache aries that I would need to get a hold of > that classloader? I think my manifest looks pretty good below as I'm > referencing all the weblogic client stuff correctly through my imports. > > > > -----Original Message----- > > From: Claus Ibsen [mailto:[email protected]] > > Sent: Sunday, 9 July 2017 5:26 PM > > To: [email protected] > > Subject: Re: camel route to remote EJB using karaf blueprint > > > > Hi > > > > I think you are going on a path where nobody really goes - calling > remote EJBs (... from OSGi). > > Then classloading is much more problematic to setup. You would need to > install the WebLogic EJB client and also make sure to have all the right > package imports in your application bundle etc. > > > > I really don't recommend using remote EJB calls, you end up with a tight > coupling on Java, Java serialization etc. Are you not able to use another > protocol in the communication to WebLogic? > > > > If you really must, then try first to get a non OSGi example / unit test > etc up and running so you at least know that this part works. > > Then its "fighting" the OSGi classloading and get all that sorted. > > > > > > > > On Fri, Jul 7, 2017 at 3:51 AM, Matthew Shaw < > [email protected]> wrote: > >> As an addendum, I think the issue maybe that using jndi and the > weblogic initial context is outside the camel context, but the way I am > invoking it. Which in turn, will be trying to load the same classes > required again, through a completely separate class loader? > >> > >> -----Original Message----- > >> From: Matthew Shaw [mailto:[email protected]] > >> Sent: Friday, 7 July 2017 11:07 AM > >> To: [email protected] > >> Subject: camel route to remote EJB using karaf blueprint > >> > >> Hi All, > >> > >> I've been banging my head against the wall now for a week, trying to > get a camel route going which consumes a remote service on an EJB2 > container in weblogic 10.3. I keep getting class versioning issues between > my client and the server.I have the exact same versions of the server jars > in karaf as bundles and I import them through my manifest. My bundle > installs ok into karaf with a state of "Active" and the camel routes start > up. I'm a newbie in the osgi, camel world. > >> > >> I'm running camel 2.19.1 in apache karaf 4.1.1. > >> > >> My blueprint looks like this: > >> > >> <blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"; > >> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > >> xmlns:cm="http://aries.apache.org/blueprint/xmlns/blueprint- > cm/v1.0.0" > >> xmlns:jaxws="http://cxf.apache.org/blueprint/jaxws"; > >> xmlns:cxf="http://cxf.apache.org/blueprint/core"; > >> xmlns:camel="http://camel.apache.org/schema/blueprint"; > >> xmlns:camelcxf="http://camel.apache.org/schema/blueprint/cxf > " > >> xsi:schemaLocation=" > >> http://www.osgi.org/xmlns/blueprint/v1.0.0 > https://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd > >> http://cxf.apache.org/blueprint/jaxws > http://cxf.apache.org/schemas/blueprint/jaxws.xsd > >> http://cxf.apache.org/blueprint/core > http://cxf.apache.org/schemas/blueprint/core.xsd > >> "> > >> > >> <bean id="eTimesheetMediationRoutes" > >> class="au.gov.qld.ambulance.services.legacywrapper.eTimesheetMediatio > >> n > >> "/> > >> > >> <bean id="eTimesheetEJB2Bean" > >> class="au.gov.qld.ambulance.services.legacywrapper.eTimesheetEJB2Bean" > >> /> > >> > >> <camelContext id="camel" xmlns="http://camel.apache. > org/schema/blueprint"> > >> <routeBuilder ref="eTimesheetMediationRoutes"/> > >> </camelContext> > >> > >> </blueprint> > >> > >> My manifest is as follows: > >> > >> Manifest-Version: 1.0 > >> Bnd-LastModified: 1499385820689 > >> Build-Jdk: 1.8.0_131 > >> Built-By: mshaw > >> Bundle-Blueprint: OSGI-INF/blueprint/camel-context.xml > >> Bundle-ManifestVersion: 2 > >> Bundle-Name: legacywrapper > >> Bundle-SymbolicName: au.gov.qld.ambulance.tams.legacywrapper > >> Bundle-Version: 0.0.1.SNAPSHOT > >> Created-By: Apache Maven Bundle Plugin > >> Export-Package: > >> au.gov.qld.ambulance.services.legacywrapper;uses:="au.go > >> v.qld.des.aftimesheet.dto,javax.naming,org.apache.camel.builder";vers > >> i > >> o > >> n="0.0.1",au.gov.qld.ambulance.services.legacywrapper.domain;uses:="j > >> a v ax.xml.bind,javax.xml.bind.annotation";version="0.0.1" > >> Import-Package: > >> au.gov.qld.des.aftimesheet.dto;version="0.0.0",au.gov.ql > >> d.des.aftimesheet.ejb;version="0.0.0",au.gov.qld.des.aftimesheet.exce > >> p > >> t > >> ion;version="0.0.0",com.fasterxml.jackson.annotation;version="[2.8,3)" > >> , > >> com.fasterxml.jackson.databind;version="[2.8,3)",javax.ejb,javax.nami > >> n > >> g > >> ,javax.rmi,javax.xml.bind,javax.xml.bind.annotation,javax.xml.namespa > >> c > >> e > >> ,org.apache.camel;version="[2.19,3)",org.apache.camel.builder;version=" > >> [2.19,3)",org.apache.camel.model;version="[2.19,3)",org.apache.camel. > >> m > >> o > >> del.rest;version="[2.19,3)",org.osgi.service.blueprint;version="[1.0. > >> 0 > >> , > >> 2.0.0)",org.restlet.data,org.slf4j;version="[1.7,2)",au.gov.qld.des.a > >> f > >> t > >> imesheet.officer.dto;version="0.0.0",weblogic.jndi,javax.rmi.CORBA,org. > >> omg.CORBA,org.omg.CORBA.portable,org.omg.CORBA_2_3,org.omg.CORBA_2_3. > >> p > >> o > >> rtable > >> Require-Capability: osgi.ee;filter:="(&(osgi.ee=JavaSE)(version=1.8))" > >> Tool: Bnd-3.3.0.201609221906 > >> > >> My route builder impl class: > >> > >> > >> public class eTimesheetMediation extends RouteBuilder { > >> > >> Logger logger = > >> LoggerFactory.getLogger(eTimesheetMediation.class); > >> > >> @BeanInject("eTimesheetEJB2Bean") > >> eTimesheetEJB2Bean eTimesheetEJB2Bean; > >> > >> @Override > >> public void configure() throws Exception { > >> > >> > >> restConfiguration().component("restlet").host("localhost").port(8095). > >> bindingMode(RestBindingMode.json); > >> > >> rest("/services/legacywrapper/etimesheet") > >> .post() > >> .consumes(MediaType.APPLICATION_JSON.getName()) > >> .type(ETimesheetRequest.class) > >> .to("direct:extractTimesheetId"); > >> > >> from("direct:extractTimesheetId") > >> .process(new Processor() { > >> @Override > >> public void process(Exchange exchange) throws > Exception { > >> ETimesheetRequest eTimesheetRequest = > exchange.getIn().getBody(ETimesheetRequest.class); > >> exchange.getIn().setBody(eTimesheetRequest. > getTimesheetId()); > >> } > >> }) > >> .to("direct:etimesheetGet"); > >> > >> > >> from("direct:etimesheetGet") > >> .doTry() > >> .bean(eTimesheetEJB2Bean, "mediate") > >> .log(LoggingLevel.INFO,"Timesheet successfully > transformed") > >> .convertBodyTo(String.class, "UTF-8") > >> .doCatch(Exception.class) > >> .log(LoggingLevel.ERROR > ,exceptionMessage().toString()) > >> .throwException(new RuntimeException( > exceptionMessage().toString())) > >> .endDoTry(); > >> > >> > >> } > >> } > >> > >> > >> My ejb client code / bean: > >> > >> > >> public class eTimesheetEJB2Bean { > >> > >> public String mediate(Integer eTimesheetId) { > >> > >> Hashtable env = new Hashtable(); > >> env.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi. > WLInitialContextFactory"); > >> env.put(Context.PROVIDER_URL, "t3://poldesaps02:5013"); > >> env.put(Context.SECURITY_PRINCIPAL, "testuser4"); > >> env.put(Context.SECURITY_CREDENTIALS, "passw0rd"); > >> > >> Context ic = null; > >> > >> try { > >> ic = new InitialContext(env); > >> }catch (NamingException e) { > >> throw new RuntimeException(e); > >> } > >> > >> return marshallTimesheetToJSON(ic ,getTimesheet(ic, > >> eTimesheetId)); > >> > >> } > >> > >> > >> > >> public TimesheetTransferObject getTimesheet (Context ic, Integer > eTimesheetId) { > >> Object homeObject = null; > >> > >> try { > >> homeObject = ic.lookup(TimesheetSessionFacadeHome. > JNDI_NAME); > >> } catch (NamingException e) { > >> throw new RuntimeException(e); > >> } > >> > >> TimesheetSessionFacadeHome home = > >> (TimesheetSessionFacadeHome) PortableRemoteObject.narrow(homeObject, > >> TimesheetSessionFacadeHome.class); > >> > >> TimesheetSessionFacade remote = null; > >> try { > >> remote = (TimesheetSessionFacade) > PortableRemoteObject.narrow(home.create(), TimesheetSessionFacade.class); > >> TimesheetTransferObject result = remote.getTimesheet( > eTimesheetId); > >> // TimesheetTransferObject result = new > TimesheetTransferObject(); > >> > >> return result; > >> } catch (ClassCastException e) { > >> throw new RuntimeException(e); > >> } catch (RemoteException e) { > >> throw new RuntimeException(e); > >> } catch (CreateException e) { > >> throw new RuntimeException(e); > >> }catch (AFTimesheetException e) { > >> throw new RuntimeException(e); > >> } > >> } > >> > >> private String marshallTimesheet (Context ic, > >> TimesheetTransferObject timesheet) { > >> > >> String xml = ""; > >> ByteArrayOutputStream baos = new ByteArrayOutputStream(); > >> > >> try { > >> JAXBContext jc = JAXBContext.newInstance(String.class, > TimesheetTransferObject.class); > >> JAXBIntrospector introspector = jc.createJAXBIntrospector(); > >> Marshaller marshaller = jc.createMarshaller(); > >> marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true); > >> marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, > true); > >> if (null == introspector.getElementName(timesheet)) { > >> JAXBElement jaxbElement = new JAXBElement(new > >> QName("http://services.ambulance.qld.gov.au/data/services/corporate/h > >> r i/timeandattendance", "Timesheet", "ta"), timesheet.getClass(), > >> timesheet); > >> > >> marshaller.marshal(jaxbElement, baos); > >> } else { > >> marshaller.marshal(timesheet, baos); > >> } > >> xml += baos.toString(); > >> } catch (JAXBException e) { > >> throw new RuntimeException(e); > >> } > >> return xml; > >> } > >> > >> private String marshallTimesheetToJSON (Context ic, > >> TimesheetTransferObject timesheet) { > >> > >> try { > >> ObjectMapper objectMapper = new ObjectMapper(); > >> objectMapper.setSerializationInclusion( > JsonInclude.Include.NON_NULL); > >> objectMapper.addMixIn(MealBrokenTransferObject.class, > MealBrokenTransferObjectMixIn.class); > >> objectMapper.addMixIn(ShiftTransferObject.class, > ShiftTransferObjectMixIn.class); > >> objectMapper.addMixIn(TimesheetTransferObject.class, > TimesheetTransferObjectMixIn.class); > >> objectMapper.addMixIn(CallOutTransferObject.class, > CalloutTransferObjectMixIn.class); > >> objectMapper.addMixIn(CallOutCaseTransferObject.class, > CallOutCaseTransferObjectMixIn.class); > >> objectMapper.addMixIn(AllowanceTransferObject.class, > AllowanceTransferObjectMixIn.class); > >> return objectMapper.writeValueAsString(timesheet); > >> } catch (Exception e) { > >> throw new RuntimeException(e); > >> } > >> > >> } > >> > >> } > >> > >> > >> Any help / insight would be really appreciated. > >> > >> Cheers, > >> Matt. > >> > >> > >> > >> > >> > >> This email, including any attachments sent with it, is confidential and > for the sole use of the intended recipient(s). This confidentiality is not > waived or lost, if you receive it and you are not the intended > recipient(s), or if it is transmitted/received in error. > >> > >> Any unauthorised use, alteration, disclosure, distribution or review of > this email is strictly prohibited. The information contained in this email, > including any attachment sent with it, may be subject to a statutory duty > of confidentiality if it relates to health service matters. > >> > >> If you are not the intended recipient(s), or if you have received this > email in error, you are asked to immediately notify the sender. You should > also delete this email, and any copies, from your computer system network > and destroy any hard copies produced. > >> > >> If not an intended recipient of this email, you must not copy, > distribute or take any action(s) that relies on it; any form of disclosure, > modification, distribution and/or publication of this email is also > prohibited. > >> > >> Although the Queensland Ambulance Service takes all reasonable steps to > ensure this email does not contain malicious software, the Queensland > Ambulance Service does not accept responsibility for the consequences if > any person's computer inadvertently suffers any disruption to services, > loss of information, harm or is infected with a virus, other malicious > computer programme or code that may occur as a consequence of receiving > this email. > >> > >> Unless stated otherwise, this email represents only the views of the > sender and not the views of the Queensland Government. > >> > >> ********************************************************************* > >> * > >> ********** > >> > >> The content presented in this publication is distributed by the > Queensland Government as an information source only. The State of > Queensland makes no statements, representations or warranties about the > accuracy, completeness or reliability of any information contained in this > publication. The State of Queensland disclaims all responsibility and all > liability (including without limitation for liability in negligence) for > all expenses, losses, damages and costs you might incur as a result of the > information being inaccurate or incomplete in any way, and for any reason > reliance was placed on such information. > >> This email, including any attachments sent with it, is confidential and > for the sole use of the intended recipient(s). This confidentiality is not > waived or lost, if you receive it and you are not the intended > recipient(s), or if it is transmitted/received in error. > >> > >> Any unauthorised use, alteration, disclosure, distribution or review of > this email is strictly prohibited. The information contained in this email, > including any attachment sent with it, may be subject to a statutory duty > of confidentiality if it relates to health service matters. > >> > >> If you are not the intended recipient(s), or if you have received this > email in error, you are asked to immediately notify the sender. You should > also delete this email, and any copies, from your computer system network > and destroy any hard copies produced. > >> > >> If not an intended recipient of this email, you must not copy, > distribute or take any action(s) that relies on it; any form of disclosure, > modification, distribution and/or publication of this email is also > prohibited. > >> > >> Although the Queensland Ambulance Service takes all reasonable steps to > ensure this email does not contain malicious software, the Queensland > Ambulance Service does not accept responsibility for the consequences if > any person's computer inadvertently suffers any disruption to services, > loss of information, harm or is infected with a virus, other malicious > computer programme or code that may occur as a consequence of receiving > this email. > >> > >> Unless stated otherwise, this email represents only the views of the > sender and not the views of the Queensland Government. > >> > >> ********************************************************************* > >> * > >> ********** > >> > >> The content presented in this publication is distributed by the > Queensland Government as an information source only. The State of > Queensland makes no statements, representations or warranties about the > accuracy, completeness or reliability of any information contained in this > publication. The State of Queensland disclaims all responsibility and all > liability (including without limitation for liability in negligence) for > all expenses, losses, damages and costs you might incur as a result of the > information being inaccurate or incomplete in any way, and for any reason > reliance was placed on such information. > >> > > > > > > > > -- > > Claus Ibsen > > ----------------- > > http://davsclaus.com @davsclaus > > Camel in Action 2: https://www.manning.com/ibsen2 > > > > This email, including any attachments sent with it, is confidential and > for the sole use of the intended recipient(s). This confidentiality is not > waived or lost, if you receive it and you are not the intended > recipient(s), or if it is transmitted/received in error. > > > > Any unauthorised use, alteration, disclosure, distribution or review of > this email is strictly prohibited. The information contained in this email, > including any attachment sent with it, may be subject to a statutory duty > of confidentiality if it relates to health service matters. > > > > If you are not the intended recipient(s), or if you have received this > email in error, you are asked to immediately notify the sender. You should > also delete this email, and any copies, from your computer system network > and destroy any hard copies produced. > > > > If not an intended recipient of this email, you must not copy, > distribute or take any action(s) that relies on it; any form of disclosure, > modification, distribution and/or publication of this email is also > prohibited. > > > > Although the Queensland Ambulance Service takes all reasonable steps to > ensure this email does not contain malicious software, the Queensland > Ambulance Service does not accept responsibility for the consequences if > any person's computer inadvertently suffers any disruption to services, > loss of information, harm or is infected with a virus, other malicious > computer programme or code that may occur as a consequence of receiving > this email. > > > > Unless stated otherwise, this email represents only the views of the > sender and not the views of the Queensland Government. > > > > ********************************************************************** > > ********** > > > > The content presented in this publication is distributed by the > Queensland Government as an information source only. The State of > Queensland makes no statements, representations or warranties about the > accuracy, completeness or reliability of any information contained in this > publication. The State of Queensland disclaims all responsibility and all > liability (including without limitation for liability in negligence) for > all expenses, losses, damages and costs you might incur as a result of the > information being inaccurate or incomplete in any way, and for any reason > reliance was placed on such information. > > > > -- > Claus Ibsen > ----------------- > http://davsclaus.com @davsclaus > Camel in Action 2: https://www.manning.com/ibsen2 > > This email, including any attachments sent with it, is confidential and > for the sole use of the intended recipient(s). This confidentiality is not > waived or lost, if you receive it and you are not the intended > recipient(s), or if it is transmitted/received in error. > > Any unauthorised use, alteration, disclosure, distribution or review of > this email is strictly prohibited. The information contained in this email, > including any attachment sent with it, may be subject to a statutory duty > of confidentiality if it relates to health service matters. > > If you are not the intended recipient(s), or if you have received this > email in error, you are asked to immediately notify the sender. You should > also delete this email, and any copies, from your computer system network > and destroy any hard copies produced. > > If not an intended recipient of this email, you must not copy, distribute > or take any action(s) that relies on it; any form of disclosure, > modification, distribution and/or publication of this email is also > prohibited. > > Although the Queensland Ambulance Service takes all reasonable steps to > ensure this email does not contain malicious software, the Queensland > Ambulance Service does not accept responsibility for the consequences if > any person's computer inadvertently suffers any disruption to services, > loss of information, harm or is infected with a virus, other malicious > computer programme or code that may occur as a consequence of receiving > this email. > > Unless stated otherwise, this email represents only the views of the > sender and not the views of the Queensland Government. > > ************************************************************ > ******************** > > The content presented in this publication is distributed by the Queensland > Government as an information source only. The State of Queensland makes no > statements, representations or warranties about the accuracy, completeness > or reliability of any information contained in this publication. The State > of Queensland disclaims all responsibility and all liability (including > without limitation for liability in negligence) for all expenses, losses, > damages and costs you might incur as a result of the information being > inaccurate or incomplete in any way, and for any reason reliance was placed > on such information. >
