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com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Authentication required	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1515)	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1054)	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:634)	at org.jbpm.pvm.internal.email.impl.MailSessionImpl.send(MailSessionImpl.java:51)	at org.jbpm.jpdl.internal.activity.MailListener.notify(MailListener.java:59)	at org.jbpm.pvm.internal.model.op.ExecuteEventListener.perform(ExecuteEventListener.java:81)	at org.jbpm.pvm.internal.model.ExecutionImpl.performAtomicOperationSync(ExecutionImpl.java:672)	at org.jbpm.pvm.internal.model.ExecutionImpl.performAtomicOperation(ExecutionImpl.java:632)	at org.jbpm.pvm.internal.model.ExecutionImpl.start(ExecutionImpl.java:217)	at org.jbpm.pvm.internal.cmd.StartProcessInstanceInLatestCmd.execute(StartProcessInstanceInLatestCmd.java:63)	at org.jbpm.pvm.internal.cmd.StartProcessInstanceInLatestCmd.execute(StartProcessInstanceInLatestCmd.java:36)	at org.jbpm.pvm.internal.svc.DefaultCommandService.execute(DefaultCommandService.java:42)	at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:50)	at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)	at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)	at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:56)	at org.jbpm.pvm.internal.svc.SkipInterceptor.execute(SkipInterceptor.java:43)	at org.jbpm.pvm.internal.svc.ExecutionServiceImpl.startProcessInstanceByKey(ExecutionServiceImpl.java:71)	at com.everse.examples.task.notification.TaskNotificationTest2.testTaskNotification(TaskNotificationTest2.java:77)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at junit.framework.TestCase.runTest(TestCase.java:164)	at junit.framework.TestCase.runBare(TestCase.java:130)	at junit.framework.TestResult$1.protect(TestResult.java:106)	at junit.framework.TestResult.runProtected(TestResult.java:124)	at junit.framework.TestResult.run(TestResult.java:109)	at junit.framework.TestCase.run(TestCase.java:120)	at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)