https://answers.axonivy.com/questions/3256/access-to-ivy-environment-outside-a-process-request-thread-is-not-possible-when-call-service-from-api-controller<p>My project has 2 parts.</p> <ul> <li>1st is web MVC with Primefaces.</li> <li>2nd is Rest API.</li> </ul> <p>When I call a service in the method, it work. Example:</p> <pre><code>@Singleton @RolesAllowed("OWNER") @Path("customers") public class CustomerController { @POST @Produces(MediaType.APPLICATION_JSON) public Response create(CustomerDetailModel customer) { CustomerService customerService = new CustomerServiceImpl(); try { String message = customerService.create(customer); return Response.status(Status.OK).entity(message).build(); } catch (NotFoundException nfe) { return Response.status(Status.NOT_FOUND).entity(nfe.getMessage()).build(); } } } </code></pre> <p>When I call the service outside method, it throw EnvironmentNotAvailableException. Example:</p> <pre><code>@Singleton @RolesAllowed("OWNER") @Path("customers") public class CustomerController { private CustomerService customerService = new CustomerServiceImpl(); @POST @Produces(MediaType.APPLICATION_JSON) public Response create(CustomerDetailModel customer) { try { String message = customerService.create(customer); return Response.status(Status.OK).entity(message).build(); } catch (NotFoundException nfe) { return Response.status(Status.NOT_FOUND).entity(nfe.getMessage()).build(); } } } </code></pre> <p>Exception:</p> <pre><code>javax.servlet.ServletException: A MultiException has 2 exceptions. They are: </code></pre> <ol> <li>ch.ivyteam.ivy.environment.EnvironmentNotAvailableException: Access to ivy environment outside a process request thread is not possible. Current thread: Thread[http-nio-8081-exec-2,5,main]</li> <li> <p>java.lang.IllegalStateException: Unable to perform operation: create on ch.axonivy.epilot.web.application.controllers.CustomerController</p> <p>at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489) at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427) at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388) at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341) at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at ch.ivyteam.ivy.webserver.internal.IvyFilter.doFilterInternal(IvyFilter.java:230) at ch.ivyteam.ivy.webserver.internal.IvyFilter.lambda$1(IvyFilter.java:160) at ch.ivyteam.util.callable.AbstractExecutionContext.lambda$0(AbstractExecutionContext.java:28) at ch.ivyteam.util.callable.AbstractExecutionContext.callInContext(AbstractExecutionContext.java:16) at ch.ivyteam.util.callable.AbstractExecutionContext.executeInContext(AbstractExecutionContext.java:26) at ch.ivyteam.ivy.webserver.internal.IvyFilter.doFilterInRemoteClientContext(IvyFilter.java:160) at ch.ivyteam.ivy.webserver.internal.IvyFilter.lambda$0(IvyFilter.java:122) at ch.ivyteam.util.callable.AbstractExecutionContext.lambda$0(AbstractExecutionContext.java:28) at ch.ivyteam.util.callable.AbstractExecutionContext.callInContext(AbstractExecutionContext.java:16) at ch.ivyteam.util.callable.AbstractExecutionContext.executeInContext(AbstractExecutionContext.java:26) at ch.ivyteam.ivy.webserver.internal.IvyFilter.doFilter(IvyFilter.java:122) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at ch.ivyteam.ivy.webserver.internal.IvyExecuteAsSystemFilter$1.call(IvyExecuteAsSystemFilter.java:45) at ch.ivyteam.ivy.webserver.internal.IvyExecuteAsSystemFilter$1.call(IvyExecuteAsSystemFilter.java:1) at ch.ivyteam.util.callable.AbstractExecutionContext.callInContext(AbstractExecutionContext.java:16) at ch.ivyteam.ivy.security.internal.SecurityManager.executeAsSystem(SecurityManager.java:1128) at ch.ivyteam.ivy.webserver.internal.IvyExecuteAsSystemFilter.doFilter(IvyExecuteAsSystemFilter.java:39) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:124) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at ch.ivyteam.ivy.webserver.internal.startup.IvyEngineUnavailableFilter.doFilter(IvyEngineUnavailableFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at ch.ivyteam.ivy.webserver.internal.filter.IvyCurrentHttpRequestFilter.doFilter(IvyCurrentHttpRequestFilter.java:39) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:120) at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:135) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at ch.ivyteam.ivy.webserver.internal.PerformanceLogValve.invoke(PerformanceLogValve.java:55) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: A MultiException has 2 exceptions. They are: 1. ch.ivyteam.ivy.environment.EnvironmentNotAvailableException: Access to ivy environment outside a process request thread is not possible. Current thread: Thread[http-nio-8081-exec-2,5,main] 2. java.lang.IllegalStateException: Unable to perform operation: create on ch.axonivy.epilot.web.application.controllers.CustomerController</p> <p>at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:392) at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:487) at org.jvnet.hk2.internal.SingletonContext$1.compute(SingletonContext.java:83) at org.jvnet.hk2.internal.SingletonContext$1.compute(SingletonContext.java:71) at org.glassfish.hk2.utilities.cache.Cache$OriginThreadAwareFuture$1.call(Cache.java:97) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.glassfish.hk2.utilities.cache.Cache$OriginThreadAwareFuture.run(Cache.java:154) at org.glassfish.hk2.utilities.cache.Cache.compute(Cache.java:199) at org.jvnet.hk2.internal.SingletonContext.findOrCreate(SingletonContext.java:122) at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2022) at org.jvnet.hk2.internal.ServiceLocatorImpl.internalGetService(ServiceLocatorImpl.java:774) at org.jvnet.hk2.internal.ServiceLocatorImpl.internalGetService(ServiceLocatorImpl.java:737) at org.jvnet.hk2.internal.ServiceLocatorImpl.getService(ServiceLocatorImpl.java:707) at org.glassfish.jersey.internal.inject.Injections.getOrCreate(Injections.java:172) at org.glassfish.jersey.server.model.MethodHandler$ClassBasedMethodHandler.getInstance(MethodHandler.java:284) at org.glassfish.jersey.server.internal.routing.PushMethodHandlerRouter.apply(PushMethodHandlerRouter.java:74) at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:109) at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:112) at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:112) at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:112) at org.glassfish.jersey.server.internal.routing.RoutingStage.apply(RoutingStage.java:92) at org.glassfish.jersey.server.internal.routing.RoutingStage.apply(RoutingStage.java:61) at org.glassfish.jersey.process.internal.Stages.process(Stages.java:197) at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:318) at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) at org.glassfish.jersey.internal.Errors.process(Errors.java:315) at org.glassfish.jersey.internal.Errors.process(Errors.java:297) at org.glassfish.jersey.internal.Errors.process(Errors.java:267) at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317) at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305) at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154) at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473) ... 56 more Caused by: ch.ivyteam.ivy.environment.EnvironmentNotAvailableException: Access to ivy environment outside a process request thread is not possible. Current thread: Thread[http-nio-8081-exec-2,5,main] at ch.ivyteam.ivy.environment.Ivy.getIvy(Ivy.java:576) at ch.ivyteam.ivy.environment.Ivy.get(Ivy.java:479) at ch.axonivy.epilot.web.application.controllers.CustomerController.&lt;init&gt;(CustomerController.java:26) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.glassfish.hk2.utilities.reflection.ReflectionHelper.makeMe(ReflectionHelper.java:1375) at org.jvnet.hk2.internal.ClazzCreator.createMe(ClazzCreator.java:272) at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:366) ... 88 more</p> </li> </ol>enMon, 14 May 2018 05:13:12 -0400https://answers.axonivy.com/questions/3256/access-to-ivy-environment-outside-a-process-request-thread-is-not-possible-when-call-service-from-api-controller/3269<p>You can avoid the <code>IvyEnvironmentNotAvailableException</code> by postboning the access to the ivy environment. So do not initialize static or class variables during construction if they require <code>ivy.XYZ</code> API. But use lazy initialized getters instead...</p>Reguel WermelingerMon, 14 May 2018 05:13:12 -0400https://answers.axonivy.com/questions/3256/access-to-ivy-environment-outside-a-process-request-thread-is-not-possible-when-call-service-from-api-controller/3269