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Home » Eclipse Projects » scout » Exception Permission denied(Installation in Tomcat in Azure Cloud throws Exceptions)
Exception Permission denied [message #1796931] Mon, 22 October 2018 14:23 Go to next message
Hans-Jürgen Labrador is currently offline Hans-Jürgen LabradorFriend
Messages: 4
Registered: October 2018
Junior Member
Hello,
I am a newbie to eclipse scout, I thought I may give it a try and created an empty Project (with HelloWorld). I can build the 2 war files and locally it runs fine. However I deployed the 2 war file in azure cloud (Tomcat 8.5, Java 8) and so far its deployed fine without an error. But as soon as I call the url from client I got a login page, I authorize with admin/admin and got an error Initialization failed. In the tomcat log I found "Permission denied" (see above). Does anybody has a glue where to search? I suspect the 
scout.backendUrl=http://localhost:8080
but I cant set it properly.

Thx in advance
Juergen

2018-10-22 13:19:43,274 ERROR [scout-thread-25] org.eclipse.scout.rt.client.clientnotification.ClientNotificationPoller - Error receiving client notifications - MDC[principal=notification-authenticator, jobName=ClientNotificationPoller]
org.eclipse.scout.rt.platform.exception.PlatformException: Permission denied: connect [translator=org.eclipse.scout.rt.platform.exception.DefaultRuntimeExceptionTranslator, user=notification-authenticator, calling-thread=scout-thread-25, job=Tunneling service request [seq=55, submitter=ClientNotificationPoller]]
	at org.eclipse.scout.rt.platform.exception.DefaultRuntimeExceptionTranslator.translateInternal(DefaultRuntimeExceptionTranslator.java:54)
	at org.eclipse.scout.rt.platform.exception.DefaultRuntimeExceptionTranslator.translate(DefaultRuntimeExceptionTranslator.java:37)
	at org.eclipse.scout.rt.platform.exception.DefaultRuntimeExceptionTranslator.translate(DefaultRuntimeExceptionTranslator.java:1)
	at org.eclipse.scout.rt.platform.job.internal.JobExceptionTranslator.translateExecutionException(JobExceptionTranslator.java:65)
	at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.awaitDoneAndGet(JobFutureTask.java:398)
	at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.awaitDoneAndGet(JobFutureTask.java:387)
	at org.eclipse.scout.rt.shared.servicetunnel.http.HttpServiceTunnel.tunnel(HttpServiceTunnel.java:226)
	at org.eclipse.scout.rt.shared.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:48)
	at org.eclipse.scout.rt.shared.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:40)
	at org.eclipse.scout.rt.shared.servicetunnel.http.HttpServiceTunnel.invokeService(HttpServiceTunnel.java:191)
	at org.eclipse.scout.rt.shared.servicetunnel.ServiceTunnelProxyProducer.invoke(ServiceTunnelProxyProducer.java:51)
	at org.eclipse.scout.rt.platform.interceptor.DecoratingProxy.invokeImpl(DecoratingProxy.java:137)
	at org.eclipse.scout.rt.platform.interceptor.DecoratingProxy$P_InvocationHandler.invoke(DecoratingProxy.java:170)
	at com.sun.proxy.$Proxy34.getNotifications(Unknown Source)
	at org.eclipse.scout.rt.client.clientnotification.ClientNotificationPoller$P_NotificationPoller$1.run(ClientNotificationPoller.java:109)
	at org.eclipse.scout.rt.platform.util.concurrent.Callables.lambda$0(Callables.java:31)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:227)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxMandatory(TransactionProcessor.java:143)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxRequired(TransactionProcessor.java:126)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.intercept(TransactionProcessor.java:71)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain.call(CallableChain.java:170)
	at org.eclipse.scout.rt.platform.context.RunContext.call(RunContext.java:156)
	at org.eclipse.scout.rt.platform.context.RunContext.call(RunContext.java:137)
	at org.eclipse.scout.rt.platform.context.RunContext.run(RunContext.java:108)
	at org.eclipse.scout.rt.client.clientnotification.ClientNotificationPoller$P_NotificationPoller.run(ClientNotificationPoller.java:104)
	at org.eclipse.scout.rt.platform.util.concurrent.Callables.lambda$0(Callables.java:31)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:227)
	at org.eclipse.scout.rt.platform.job.internal.ExceptionProcessor.intercept(ExceptionProcessor.java:41)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:227)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxRequiresNew(TransactionProcessor.java:100)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxRequired(TransactionProcessor.java:129)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.intercept(TransactionProcessor.java:71)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.eclipse.scout.rt.platform.security.SubjectProcessor.intercept(SubjectProcessor.java:43)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain.call(CallableChain.java:170)
	at org.eclipse.scout.rt.platform.context.RunContext.call(RunContext.java:156)
	at org.eclipse.scout.rt.platform.context.RunContextRunner.intercept(RunContextRunner.java:38)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.job.internal.CallableChainExceptionHandler.intercept(CallableChainExceptionHandler.java:31)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain.call(CallableChain.java:170)
	at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.lambda$0(JobFutureTask.java:97)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.run(JobFutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
	at org.eclipse.scout.rt.platform.job.internal.NamedThreadFactory$1.run(NamedThreadFactory.java:63)
Caused by: java.net.SocketException: Permission denied: connect

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Re: Exception Permission denied [message #1796937 is a reply to message #1796931] Mon, 22 October 2018 15:00 Go to previous message
Matthias OtterbachFriend
Messages: 29
Registered: August 2015
Location: Munich
Junior Member
Apparently you are not allowed to connect from the frontend to the backend server, so the scout.backendUrl might be a good choice to take a further look at.

Unfortunately I also do not know what would be the right URL (or if it is the right one). With Azure, do you have any option do verify the URL, e.g. access the http://localhost:8080 using wget or something similar? Just to verify if it is the right URL?

Doing a really short Google search I also ran across a couple of Stackoverflow and other forum posts like https://stackoverflow.com/questions/48387708/azure-java-function-failing-while-making-outbound-rest-call-socketexception-p which describe similar exceptions using Azure and suggest setting a java.net.preferIPv4Stack (even though I really do not know if this is just another clue or an actual solution).

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