| From dev-return-1206-apmail-johnzon-dev-archive=johnzon.apache.org@johnzon.apache.org Wed Nov 23 22:37:31 2016 |
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| Message-ID: <1479940647.31291.1.camel@apache.org> |
| Subject: Using johnzon-core in an OSGi container |
| From: Robert Munteanu <rombert@apache.org> |
| To: dev@johnzon.apache.org |
| Date: Thu, 24 Nov 2016 00:37:27 +0200 |
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| |
| Hi, |
| |
| I noticed that Johnzon has OSGi headers, which is nice :-) |
| |
| I am trying to setup Johnzon in a minimal OSGi container. I have a |
| bundle which performs a very simple JSON rendering: |
| |
| try ( JsonGenerator g = |
| Json.createGenerator(resp.getOutputStream())) { |
| resp.setContentType("application/json"); |
| g.writeStartObject() |
| .write("enabled", routerAdmin.isWlanEnabled() ) |
| .writeEnd(); |
| } catch (AuthException e) { |
| resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR |
| ); |
| } |
| |
| I am deploying the following bundles to my container: |
| |
| - Johnzon :: Core (0.9.4) - org.apache.johnzon:johnzon-core:0.9.4 |
| - Apache Geronimo JSon Spec 1.0 (1.0.0.alpha-1) - |
| org.apache.geronimo.specs:geronimo-json_1.0_spec:1.0-alpha-1 |
| |
| The code fails with |
| |
| javax.json.JsonException: org.apache.johnzon.core.JsonProviderImpl |
| not found |
| |
| (full stack trace at the end ). |
| |
| My question is - is this a supported scenario? Looking at the bundle |
| headers I don't see how the wiring could happen between these the JSON |
| API and Johnzon Core bundles, as they know nothing about each other. |
| |
| (Please keep me in CC, I am not subscribed). |
| |
| Thanks, |
| |
| Robert |
| |
| javax.json.JsonException: org.apache.johnzon.core.JsonProviderImpl not |
| found |
| at |
| javax.json.spi.JsonProvider.doLoadProvider(JsonProvider.java:132) |
| at javax.json.spi.JsonProvider.provider(JsonProvider.java:64) |
| at javax.json.Json.createGenerator(Json.java:48) |
| at |
| ro.lmn.routeradmin.web.impl.AdminServlet.doGet(AdminServlet.java:33) |
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:618) |
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) |
| at |
| org.apache.felix.http.base.internal.handler.ServletHandler.handle(Servl |
| etHandler.java:85) |
| at |
| org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(I |
| nvocationChain.java:79) |
| at |
| org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispat |
| cher.java:124) |
| at |
| org.apache.felix.http.base.internal.DispatcherServlet.service(Dispatche |
| rServlet.java:61) |
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) |
| at |
| org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:845) |
| at |
| org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:5 |
| 83) |
| at |
| org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler |
| .java:224) |
| at |
| org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler |
| .java:1174) |
| at |
| org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:51 |
| 1) |
| at |
| org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler. |
| java:185) |
| at |
| org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler. |
| java:1106) |
| at |
| org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.jav |
| a:141) |
| at |
| org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(Contex |
| tHandlerCollection.java:213) |
| at |
| org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.j |
| ava:134) |
| at org.eclipse.jetty.server.Server.handle(Server.java:524) |
| at |
| org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:319) |
| at |
| org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java: |
| 253) |
| at |
| org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(Abstract |
| Connection.java:273) |
| at |
| org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) |
| at |
| org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint. |
| java:93) |
| at |
| org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executePro |
| duceConsume(ExecuteProduceConsume.java:303) |
| at |
| org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceCon |
| sume(ExecuteProduceConsume.java:148) |
| at |
| org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(Execut |
| eProduceConsume.java:136) |
| at |
| org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool. |
| java:671) |
| at |
| org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.j |
| ava:589) |
| at java.lang.Thread.run(Thread.java:745) |
| Caused by: java.lang.ClassNotFoundException: |
| org.apache.johnzon.core.JsonProviderImpl |
| at java.net.URLClassLoader.findClass(URLClassLoader.java:381) |
| at java.lang.ClassLoader.loadClass(ClassLoader.java:424) |
| at |
| sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) |
| at java.lang.ClassLoader.loadClass(ClassLoader.java:357) |
| at |
| javax.json.spi.JsonProvider.doLoadProvider(JsonProvider.java:129) |
| ... 32 more |
| |
