Regarding Email Module

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Hello team, I'm encountering an issue while working on the Email Module. Specifically, I'm unable to send emails from one user to another. I'd appreciate it if someone could help identify the cause of this error. Thank you in advance.
asked
2 answers
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Hi Prashanth,

Error you are getting because of conflicting jars, logic wise you are correct 

to resolve this jar issue, you can check in your userlib folder if you have duplicate jars with different version , you can delete lower version jar.

In such scenario what i personally do is create a branchline , empty my userlib folder and download each module from marketplace again and then check if my app is working properly then i copy all jars from branchline to main branch.

 

Hope it helps!

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java.util.ServiceConfigurationError: jakarta.mail.Provider: com.sun.mail.imap.IMAPProvider not a subtype    at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:589)    at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1237)    at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1265)    at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1300)    at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1385)    at jakarta.mail.Session.loadProviders(Session.java:964)    at jakarta.mail.Session.<init>(Session.java:254)    at jakarta.mail.Session.getInstance(Session.java:281)    at org.simplejavamail.mailer.internal.MailerImpl.createMailSession(MailerImpl.java:198)    at org.simplejavamail.mailer.internal.MailerImpl.<init>(MailerImpl.java:138)    at org.simplejavamail.mailer.internal.MailerImpl.<init>(MailerImpl.java:123)    at org.simplejavamail.mailer.internal.MailerRegularBuilderImpl.buildMailer(MailerRegularBuilderImpl.java:212)    at com.mendix.datahub.connector.email.service.SendEmailHandler.setConnectionInfo(SendEmailHandler.java:236)    at com.mendix.datahub.connector.email.service.SMTPEmail.isConnected(SMTPEmail.java:22)    at com.mendix.datahub.connector.email.service.EmailServiceWorker.isConnected(EmailServiceWorker.java:97)    at email_connector.actions.CheckServerConnection.checkOutgoingServerConnection(CheckServerConnection.java:122)    at email_connector.actions.CheckServerConnection.executeAction(CheckServerConnection.java:56)    at email_connector.actions.CheckServerConnection.executeAction(CheckServerConnection.java:29)    at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:58)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:71)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:48)    at com.mendix.core.actionmanagement.internal.InternalCoreAction.call(InternalCoreAction.java:57)    at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:104)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:103)    at com.mendix.basis.actionmanagement.UserActionCallBuilderImpl.execute(UserActionCallBuilderImpl.scala:57)    at com.mendix.modules.microflowengine.actions.actioncall.ForegroundJavaAction.doExecute(ForegroundJavaAction.scala:35)    at com.mendix.modules.microflowengine.actions.actioncall.ForegroundJavaAction.doExecute(ForegroundJavaAction.scala:11)    at com.mendix.modules.microflowengine.actions.actioncall.JavaAction.execute(JavaAction.scala:38)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.$anonfun$execute$1(MicroflowObject.scala:32)    at scala.Option.flatMap(Option.scala:283)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.scala:29)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.scala:176)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.scala:116)    at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:58)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:71)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:48)    at com.mendix.core.actionmanagement.internal.InternalCoreAction.call(InternalCoreAction.java:57)    at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:104)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:103)    at com.mendix.basis.component.ExecutionCore.doExecuteSync(ExecutionCore.scala:148)    at com.mendix.basis.component.ExecutionCore.doExecuteSync$(ExecutionCore.scala:147)    at com.mendix.basis.component.InternalCore.doExecuteSync(InternalCore.scala:24)    at com.mendix.basis.component.ExecutionCore.executeSync(ExecutionCore.scala:97)    at com.mendix.basis.component.ExecutionCore.executeSync$(ExecutionCore.scala:94)    at com.mendix.basis.component.InternalCore.executeSync(InternalCore.scala:24)    at com.mendix.modules.microflowengine.MicroflowExecuter$.executeSync(MicroflowExecuter.scala:19)    at com.mendix.modules.microflowengine.actions.SubMicroflowAction.execute(SubMicroflowAction.scala:37)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.$anonfun$execute$1(MicroflowObject.scala:32)    at scala.Option.flatMap(Option.scala:283)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowObject.execute(MicroflowObject.scala:29)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAfterBreakingIfNecessary(MicroflowImpl.scala:176)    at com.mendix.modules.microflowengine.microflow.impl.MicroflowImpl.executeAction(MicroflowImpl.scala:116)    at com.mendix.systemwideinterfaces.core.UserAction.execute(UserAction.java:58)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.doCall(CoreActionHandlerImpl.scala:71)    at com.mendix.basis.actionmanagement.CoreActionHandlerImpl.call(CoreActionHandlerImpl.scala:48)    at com.mendix.core.actionmanagement.internal.InternalCoreAction.call(InternalCoreAction.java:57)    at com.mendix.basis.actionmanagement.ActionManager.$anonfun$executeSync$2(ActionManager.scala:104)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.scala:103)    at com.mendix.basis.actionmanagement.MicroflowCallBuilderImpl.execute(MicroflowCallBuilderImpl.scala:62)    at com.mendix.webui.actions.client.MicroflowRuntimeOperationExecutor.runMicroflow(MicroflowRuntimeOperationExecutor.scala:97)    at com.mendix.webui.actions.client.MicroflowRuntimeOperationExecutor.$anonfun$apply$5(MicroflowRuntimeOperationExecutor.scala:57)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$.$anonfun$liftEither$1(RegularClientAction.scala:30)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.$anonfun$apply$4(RegularClientAction.scala:56)    at com.mendix.webui.requesthandling.helpers.StateHandling.withState(StateHandling.scala:46)    at com.mendix.webui.requesthandling.helpers.StateHandling.withState$(StateHandling.scala:43)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.withState(RegularClientAction.scala:46)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:54)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$StateHandler.apply(RegularClientAction.scala:46)    at com.mendix.webui.actions.client.MicroflowRuntimeOperationExecutor.apply(MicroflowRuntimeOperationExecutor.scala:58)    at com.mendix.webui.actions.client.RuntimeOperationAction.$anonfun$apply$1(RuntimeOperationAction.scala:49)    at scala.util.Either.flatMap(Either.scala:352)    at com.mendix.webui.actions.client.RuntimeOperationAction.apply(RuntimeOperationAction.scala:33)    at com.mendix.webui.actions.client.RuntimeOperationAction.apply(RuntimeOperationAction.scala:22)    at com.mendix.webui.actions.client.RegularClientAction$Helpers$.$anonfun$liftEither$1(RegularClientAction.scala:30)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$3(RegularClientAction.scala:120)    at scala.util.Try$.apply(Try.scala:210)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2(RegularClientAction.scala:120)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$2$adapted(RegularClientAction.scala:118)    at com.mendix.webui.requesthandling.helpers.ContextHandling.$anonfun$inContext$7(ContextHandling.scala:59)    at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)    at com.mendix.basis.actionmanagement.ActionMonitoring$.$anonfun$monitor$1(ActionMonitoring.scala:52)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.basis.actionmanagement.ActionMonitoring$.monitor(ActionMonitoring.scala:52)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:59)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:33)    at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:94)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext(ContextHandling.scala:30)    at com.mendix.webui.requesthandling.helpers.ContextHandling.inContext$(ContextHandling.scala:22)    at com.mendix.webui.actions.client.RegularClientAction.inContext(RegularClientAction.scala:94)    at com.mendix.webui.actions.client.RegularClientAction.$anonfun$execute$1(RegularClientAction.scala:118)    at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)    at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest(ProfileHandling.scala:14)    at com.mendix.webui.requesthandling.helpers.ProfileHandling.profileRequest$(ProfileHandling.scala:10)    at com.mendix.webui.actions.client.RegularClientAction.profileRequest(RegularClientAction.scala:94)    at com.mendix.webui.actions.client.RegularClientAction.execute(RegularClientAction.scala:115)    at com.mendix.webui.requesthandling.ClientRequestHandler.handleAction(ClientRequestHandler.scala:96)    at com.mendix.webui.requesthandling.ClientRequestHandler.processRequest(ClientRequestHandler.scala:69)    at com.mendix.externalinterface.connector.RequestHandler.doProcessRequest(RequestHandler.java:37)    at com.mendix.external.connector.MxRuntimeConnector.$anonfun$processRequest$1(MxRuntimeConnector.scala:54)    at com.mendix.external.connector.MxRuntimeConnector.$anonfun$processRequest$1$adapted(MxRuntimeConnector.scala:54)    at com.mendix.util.classloading.Runner$.withContextClassLoader(Runner.scala:20)    at com.mendix.external.connector.MxRuntimeConnector.processRequest(MxRuntimeConnector.scala:54)    at com.mendix.basis.impl.MxRuntimeImpl.processRequest(MxRuntimeImpl.scala:218)    at com.mendix.m2ee.appcontainer.server.handler.RuntimeServlet.service(RuntimeServlet.scala:40)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)    at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)    at org.eclipse.jetty.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:170)    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1570)    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1543)    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)    at org.eclipse.jetty.server.Server.handle(Server.java:563)    at org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)    at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)    at java.base/java.lang.Thread.run(Thread.java:829)

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