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How to build (and use) ScoutRT from source? [message #1835554] Sun, 06 December 2020 19:46 Go to next message
Darth Bolek is currently offline Darth BolekFriend
Messages: 25
Registered: August 2019
Junior Member
I am having trouble with using ScoutRT that was built from source.

Build procedure:
1. git clone -b "releases/11.0" git://git.eclipse.org/gitroot/scout/org.eclipse.scout.rt.git
2. cd org.eclipse.scout.rt
3. rm ~/.m2/repository
4. mvn install 2>&1 | tee /tmp/mvn.txt
5. 20 min later BUILD SUCCESS

maven local repository has ScoutRT artifacts with 11.0-SNAPSHOT


I have a feeling there are more steps involved to use ScoutRT.*-SNAPSHOT version. Any tips are appreciated.

Test procedure:
1. in new workspace create helloworld
2. in helloworld/pom.xml edit:
<org.eclipse.scout.rt.version>11.0-SNAPSHOT</org.eclipse.scout.rt.version>
3. maven clean verify on helloworld/pom.xml
this ends with BUILD SUCCESS
4. start integrated jetty: server and ui.html

There is problem with tunnel service:

Exception in ui.html:
19:10:15.824 E [scout-thread-2 ClientNotificationPoller] org.eclipse.scout.rt.client.clientnotification.ClientNotificationPoller run(ClientNotificationPoller.java:117) - Error receiving client notifications - MDC[principal=notification-authenticator, jobName=ClientNotificationPoller]
org.eclipse.scout.rt.shared.servicetunnel.http.HttpServiceTunnelException: Service tunnel request failed with status code 500 [user=notification-authenticator, remote-service.name=org.eclipse.scout.rt.shared.clientnotification.IClientNotificationService, remote-service.operation=getNotifications]
	at org.eclipse.scout.rt.shared.servicetunnel.http.RemoteServiceInvocationCallable.call(RemoteServiceInvocationCallable.java:79)
	at org.eclipse.scout.rt.shared.servicetunnel.http.RemoteServiceInvocationCallable.call(RemoteServiceInvocationCallable.java:1)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:227)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:227)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxMandatory(TransactionProcessor.java:156)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxRequired(TransactionProcessor.java:139)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.intercept(TransactionProcessor.java:78)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain.call(CallableChain.java:170)
	at org.eclipse.scout.rt.platform.context.RunContext.call(RunContext.java:158)
	at org.eclipse.scout.rt.platform.context.RunContextRunner.intercept(RunContextRunner.java:38)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.job.internal.CallableChainExceptionHandler.intercept(CallableChainExceptionHandler.java:33)
	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$0(JobFutureTask.java:106)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.run(JobFutureTask.java:175)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)
	at org.eclipse.scout.rt.platform.job.internal.NamedThreadFactory$1.run(NamedThreadFactory.java:63)
	at org.eclipse.scout.rt.shared.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:64)
	at org.eclipse.scout.rt.shared.servicetunnel.AbstractServiceTunnel.invokeService(AbstractServiceTunnel.java:40)
	at org.eclipse.scout.rt.shared.servicetunnel.http.HttpServiceTunnel.invokeService(HttpServiceTunnel.java:192)
	at org.eclipse.scout.rt.shared.servicetunnel.ServiceTunnelProxyProducer.invoke(ServiceTunnelProxyProducer.java:51)
	at org.eclipse.scout.rt.platform.interceptor.DecoratingProxy.invokeImpl(DecoratingProxy.java:137)
	at org.eclipse.scout.rt.platform.interceptor.DecoratingProxy$P_InvocationHandler.invoke(DecoratingProxy.java:170)
	at com.sun.proxy.$Proxy22.getNotifications(Unknown Source)
	at org.eclipse.scout.rt.client.clientnotification.ClientNotificationPoller$P_NotificationPoller.lambda$0(ClientNotificationPoller.java:106)
	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:156)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxRequired(TransactionProcessor.java:139)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.intercept(TransactionProcessor.java:78)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain.call(CallableChain.java:170)
	at org.eclipse.scout.rt.platform.context.RunContext.call(RunContext.java:158)
	at org.eclipse.scout.rt.platform.context.RunContext.call(RunContext.java:139)
	at org.eclipse.scout.rt.platform.context.RunContext.run(RunContext.java:110)
	at org.eclipse.scout.rt.client.clientnotification.ClientNotificationPoller$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:113)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.runTxRequired(TransactionProcessor.java:142)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.intercept(TransactionProcessor.java:78)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
	at org.eclipse.scout.rt.platform.security.SubjectProcessor.intercept(SubjectProcessor.java:43)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$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:158)
	at org.eclipse.scout.rt.platform.context.RunContextRunner.intercept(RunContextRunner.java:38)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$Chain.continueChain(CallableChain.java:222)
	at org.eclipse.scout.rt.platform.job.internal.CallableChainExceptionHandler.intercept(CallableChainExceptionHandler.java:33)
	at org.eclipse.scout.rt.platform.chain.callable.CallableChain$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$0(JobFutureTask.java:106)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at org.eclipse.scout.rt.platform.job.internal.JobFutureTask.run(JobFutureTask.java:175)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)
	at org.eclipse.scout.rt.platform.job.internal.NamedThreadFactory$1.run(NamedThreadFactory.java:63)



Exception in server:
19:10:15.779 E [qtp2045766957-21] org.eclipse.scout.rt.server.ServiceTunnelServlet doPost(ServiceTunnelServlet.java:175) - Client=notification-authenticator@127.0.0.1/127.0.0.1 - MDC[]
java.lang.NullPointerException: null
	at org.eclipse.scout.rt.server.ServiceTunnelServlet.doPost(ServiceTunnelServlet.java:191)
	at org.eclipse.scout.rt.server.ServiceTunnelServlet.lambda$2(ServiceTunnelServlet.java:132)
	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.runTxRequiresNew(TransactionProcessor.java:113)
	at org.eclipse.scout.rt.platform.transaction.TransactionProcessor.intercept(TransactionProcessor.java:76)
	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:158)
	at org.eclipse.scout.rt.platform.context.RunContext.run(RunContext.java:125)
	at org.eclipse.scout.rt.server.ServiceTunnelServlet.doPost(ServiceTunnelServlet.java:130)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:517)
	at org.eclipse.scout.rt.server.commons.servlet.AbstractHttpServlet.access$0(AbstractHttpServlet.java:1)
	at org.eclipse.scout.rt.server.commons.servlet.AbstractHttpServlet.wrap(AbstractHttpServlet.java:49)
	at org.eclipse.scout.rt.server.commons.servlet.AbstractHttpServlet.service(AbstractHttpServlet.java:38)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:584)
	at org.eclipse.jetty.servlet.ServletHolder$NotAsyncServlet.service(ServletHolder.java:1411)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:763)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1651)
	at org.eclipse.scout.rt.server.commons.authentication.ServletFilterHelper.lambda$0(ServletFilterHelper.java:205)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
	at org.eclipse.scout.rt.server.commons.authentication.ServletFilterHelper.continueChainAsSubject(ServletFilterHelper.java:201)
	at org.eclipse.scout.rt.server.commons.authentication.ServiceTunnelAccessTokenAccessController.handle(ServiceTunnelAccessTokenAccessController.java:75)
	at org.eclipse.scout.apps.helloworld.server.ServerServletFilter.doFilter(ServerServletFilter.java:49)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1630)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:567)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1377)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:507)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1292)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
	at org.eclipse.jetty.server.Server.handle(Server.java:501)
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
	at java.base/java.lang.Thread.run(Thread.java:834)


Origin of NullPointerException:

serverRunContext.getClientNotificationCollector() returns null

package org.eclipse.scout.rt.server;

...

public class ServiceTunnelServlet extends AbstractHttpServlet {

...

  protected ServiceTunnelResponse doPost(ServiceTunnelRequest serviceRequest) {
    if (LOG.isDebugEnabled()) {
      LOG.debug("requestSequence {} {}.{}", serviceRequest.getRequestSequence(), serviceRequest.getServiceInterfaceClassName(), serviceRequest.getOperation());
    }

    final ServerRunContext serverRunContext = createServiceTunnelRunContext(serviceRequest);
    final IRegistrationHandle registrationHandle = registerForCancellation(serverRunContext, serviceRequest);
    try {
      ServiceTunnelResponse serviceResponse = invokeService(serverRunContext, serviceRequest);
      // include client notifications in response (piggyback)
      serviceResponse.setNotifications(serverRunContext.getClientNotificationCollector().consume());
      return serviceResponse;
    }
    finally {
      registrationHandle.unregister();
    }
  }

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Re: How to build (and use) ScoutRT from source? [message #1835883 is a reply to message #1835554] Tue, 15 December 2020 18:10 Go to previous message
Matthias Villiger is currently offline Matthias VilligerFriend
Messages: 235
Registered: September 2011
Senior Member
Hi Darth

Which version of the archetype did you use to create the helloworld application? If it is created in Eclipse having Scout SDK 10 installed, it will use the helloworld archetype 10.x which works together with the Scout RT 10.0.

To create a helloworld for Scout 11 you have to use the version 11.x of the archetype. So either you could use an 11.0 alpha build or you have to build and install the 11 snapshot version of the archetype locally. Then you could create the helloworld project from the command line using the archetype having version 11.x.

Another hint: To speedup the Scout RT build you could add "-DskipTests=true" to your maven command.

However: I don't think that is is the root cause of the problem. If serverRunContext.getClientNotificationCollector() returns null something seems to be strange. Because this collector should always be present unless it is explicitly removed (which Scout never does as far as I can see)
Are there no other exceptions before?

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