AppEngine Java multi-modules sample error on gcloud preview app run

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Avanish Raju

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Feb 11, 2015, 5:07:45 PM2/11/15

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Hey all,

(NOTE: Also posted to Stack Overflow here: http://stackoverflow.com/questions/28441545/appengine-java-multi-modules-sample-error-on-gcloud-preview-app-run)

I'm trying to setup a multi-module Appengine app with one module as managed VM.

But for starters, I'm checking if I can run gcloud preview app run on the AppEngine Java multi-modules sample from here: https://github.com/GoogleCloudPlatform/appengine-modules-sample-java

When I import it in Android Studio, and run the appengineRun build rule, it builds fine. However, if I go to command prompt, and run the following:

E:\appengine-modules-sample-java-master>gcloud preview app run appengine-modules
-guestbook/src/main/webapp

Then I get the following error:

http://localhost:8000 Exception in thread "main" java.lang.RuntimeException: Unable to create a DevApp Server ERROR: bad runtime process port ['']
        at com.google.appengine.tools.development.devappserver2.DevAppServer2Fac tory.doCreateDevAppServer(DevAppServer2Factory.java:87)

...

... 10 more Caused by: java.io.IOException: Access is denied

What am I doing wrong?

Thanks!
Avanish

Robert Fischer

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Feb 11, 2015, 5:35:32 PM2/11/15

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Hi Avanish,

Have you tried specifying a port (host) explicitly [something like --host localhost:9999]? I see that it should run on :8080 by default though: https://cloud.google.com/sdk/gcloud-app

If that fails, does it work running as administrator?

Best,

Robert

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Avanish Raju

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Feb 11, 2015, 8:14:16 PM2/11/15

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Hi Robert,

Thanks for the suggestions! (And good to hear from you!)

Option 1) Specifying --host localhost:9999 didn't work. I got a different error:

"Unable to bind localhost:9999"

I tried --host localhost:9090 and a couple other ports instead, and ended up with the same error as above. (bad port, Access Denied)

Option 2) Try as administrator:

No error on initially running the command... but when I go to localhost:8080, after a long wait, I get a bunch of errors, including NullPointerException and ClassNotFoundException. but what I'm running is Google's sample code from GitHub, which runs fine, so it must be a configuration-related issue.

Option 3)

I tried one more thing:Just doing a "gcloud preview app deploy <module >" and got another error.

I'm going to see if I can run the gcloud properly on a Linux box on GCE. This does seem like it might be a Windows specific issue (I'm developing on Windows 8.1) so let me try to rule that out.

Regards,

Avanish

Detailed errors follow:

===============================================================================

Option 2) Error

===============================================================================

Java module found in [E:\appengine-modules-sample-java-master\appengine-modules-guestbook\src\main\webapp]

INFO: Skipping SDK update check.

INFO: Starting API server at: http://localhost:58743

INFO: Starting module "default" running at: http://localhost:8080

INFO: Starting admin server at: http://localhost:8000

Feb 11, 2015 5:03:12 PM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml

ERROR: bad runtime process port ['']

INFO: Successfully processed E:\appengine-modules-sample-java-master\appengine-modules-guestbook\src\main\webapp\WEB-INF/appengine-web.xml

Feb 11, 2015 5:03:12 PM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml

INFO: Successfully processed E:\appengine-modules-sample-java-master\appengine-modules-guestbook\src\main\webapp\WEB-INF/web.xml

Feb 11, 2015 5:03:12 PM com.google.appengine.tools.development.SystemPropertiesManager setSystemProperties

INFO: Overwriting system property key 'java.util.logging.config.file', value 'E:\Program Files\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\google\appengine\tools\java\config\sdk\logging.properties' with value 'WEB-INF/logging.properties' from 'E:\appengine-modules-sample-java-master\appengine-modules-guestbook\src\main\webapp\WEB-INF\appengine-web.xml'

Feb 11, 2015 5:03:12 PM com.google.appengine.tools.development.AbstractContainerService configure

WARNING: Null value for containerConfigProperties.get(devappserver.portMappingProvider)

Feb 11, 2015 5:03:12 PM com.google.apphosting.utils.jetty.JettyLogger info

INFO: Logging to JettyLogger(null) via com.google.apphosting.utils.jetty.JettyLogger

Feb 12, 2015 1:03:12 AM com.google.apphosting.utils.jetty.JettyLogger info

INFO: jetty-6.1.x

Feb 12, 2015 1:03:13 AM com.google.apphosting.utils.jetty.JettyLogger warn

WARNING: EXCEPTION

java.lang.ClassNotFoundException: com.google.appengine.demos.guestbook.SignGuestbookServlet

at java.net.URLClassLoader$1.run(URLClassLoader.java:366)

at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:216)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

at org.mortbay.util.Loader.loadClass(Loader.java:91)

at org.mortbay.util.Loader.loadClass(Loader.java:71)

at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)

at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:242)

at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)

at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)

at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)

at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)

at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)

at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)

at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)

at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)

at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)

at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)

at org.mortbay.jetty.Server.doStart(Server.java:224)

at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)

at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:255)

at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:288)

at com.google.appengine.tools.development.AutomaticInstanceHolder.startUp(AutomaticInstanceHolder.java:26)

at com.google.appengine.tools.development.AbstractModule.startup(AbstractModule.java:87)

at com.google.appengine.tools.development.Modules.startup(Modules.java:105)

at com.google.appengine.tools.development.devappserver2.DevAppServer2Impl.doStart(DevAppServer2Impl.java:242)

at com.google.appengine.tools.development.devappserver2.DevAppServer2Impl.access$000(DevAppServer2Impl.java:56)

at com.google.appengine.tools.development.devappserver2.DevAppServer2Impl$1.run(DevAppServer2Impl.java:208)

at com.google.appengine.tools.development.devappserver2.DevAppServer2Impl$1.run(DevAppServer2Impl.java:206)

at java.security.AccessController.doPrivileged(Native Method)

at com.google.appengine.tools.development.devappserver2.DevAppServer2Impl.start(DevAppServer2Impl.java:206)

at com.google.appengine.tools.development.devappserver2.StandaloneInstance$StartAction.apply(StandaloneInstance.java:128)

at com.google.appengine.tools.development.devappserver2.StandaloneInstance$StartAction.apply(StandaloneInstance.java:82)

at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)

at com.google.appengine.tools.development.devappserver2.StandaloneInstance.run(StandaloneInstance.java:66)

at com.google.appengine.tools.development.devappserver2.StandaloneInstance.main(StandaloneInstance.java:44)

Feb 12, 2015 1:04:15 AM com.google.appengine.tools.development.devappserver2.RemoteApiDelegate log

SEVERE: [1423703055222000] javax.servlet.ServletContext log: unavailable

javax.servlet.UnavailableException: com.google.appengine.demos.guestbook.SignGuestbookServlet

at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:79)