dev@glassfish.java.net

Re: Deploying a Rails app throws NPE

From: Arun Gupta <Arun.Gupta_at_Sun.COM>
Date: Thu, 07 Aug 2008 10:15:30 -0700

> The new ContainerMapper endpoint registration API requires a
> collection of virtual server names ("vs"), which defaults to an
> empty collection (which may be a problem in that an endpoint
> registered using the version of GrizzlyService.registerEndpoint()
> that does not take any "vsServers" argument will not be registered
> at all), so you should never be getting an NPE here:
>
> for (String host : vs) {
>
> unless you were explicitly passing a "null" collection to
> GrizzlyService.registerEndpoint().
>
> Can you check the args you are passing to
>
> GrizzlyService.registerEndpoint()?
The arguments are:

contextRoot, null, adapter, adapter

The second argument is explicitly and that may be causing the NPE. What
is the proper value instead of "null" ?

-Arun
>
> Thanks,
>
>
> Jan
>
>
>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.ContainerMapper.register(ContainerMapper.java:119)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyEmbeddedHttp.registerEndpoint(GrizzlyEmbeddedHttp.java:333)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyProxy.registerEndpoint(GrizzlyProxy.java:197)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyProxy.registerEndpoint(GrizzlyProxy.java:58)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyService.registerEndpoint(GrizzlyService.java:344)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyService.registerEndpoint(GrizzlyService.java:329)
>>>>
>>>> at
>>>> org.glassfish.scripting.rails.RailsDeployer.load(RailsDeployer.java:87)
>>>> at
>>>> org.glassfish.scripting.rails.RailsDeployer.load(RailsDeployer.java:45)
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle.load(ApplicationLifecycle.java:641)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:280)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.deployment.DeployCommand.execute(DeployCommand.java:279)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:286)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:114)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:94)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:230)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:156)
>>>> at
>>>> com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:148)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:621)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:552)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProcessorTask.process(DefaultProcessorTask.java:800)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:152)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GlassfishProtocolChain.executeProtocolFilter(GlassfishProtocolChain.java:70)
>>>>
>>>> at
>>>> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
>>>>
>>>> at
>>>> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
>>>>
>>>> at
>>>> com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
>>>>
>>>> at
>>>> com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:56)
>>>>
>>>> at
>>>> com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:169)
>>>> Aug 6, 2008 9:19:04 PM org.glassfish.api.ActionReport failure
>>>> SEVERE: Exception while deploying the app
>>>> java.lang.NullPointerException
>>>> at
>>>> com.sun.enterprise.v3.services.impl.ContainerMapper.register(ContainerMapper.java:119)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyEmbeddedHttp.registerEndpoint(GrizzlyEmbeddedHttp.java:333)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyProxy.registerEndpoint(GrizzlyProxy.java:197)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyProxy.registerEndpoint(GrizzlyProxy.java:58)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyService.registerEndpoint(GrizzlyService.java:344)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GrizzlyService.registerEndpoint(GrizzlyService.java:329)
>>>>
>>>> at
>>>> org.glassfish.scripting.rails.RailsDeployer.load(RailsDeployer.java:87)
>>>> at
>>>> org.glassfish.scripting.rails.RailsDeployer.load(RailsDeployer.java:45)
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle.load(ApplicationLifecycle.java:641)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:280)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.deployment.DeployCommand.execute(DeployCommand.java:279)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:286)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:114)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:94)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:230)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:156)
>>>> at
>>>> com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:148)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:621)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:552)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProcessorTask.process(DefaultProcessorTask.java:800)
>>>>
>>>> at
>>>> com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:152)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.services.impl.GlassfishProtocolChain.executeProtocolFilter(GlassfishProtocolChain.java:70)
>>>>
>>>> at
>>>> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
>>>>
>>>> at
>>>> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
>>>>
>>>> at
>>>> com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
>>>>
>>>> at
>>>> com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:56)
>>>>
>>>> at
>>>> com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:169)
>>>> Aug 6, 2008 9:19:04 PM
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle unload
>>>> SEVERE: Failed to unload from container type : jruby
>>>> java.lang.NullPointerException
>>>> at
>>>> org.glassfish.scripting.rails.RailsDeployer.unload(RailsDeployer.java:96)
>>>>
>>>> at
>>>> org.glassfish.scripting.rails.RailsDeployer.unload(RailsDeployer.java:45)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle.unload(ApplicationLifecycle.java:763)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle$1.actOn(ApplicationLifecycle.java:263)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:300)
>>>>
>>>> at
>>>> com.sun.enterprise.v3.deployment.DeployCommand.execute(DeployCommand.java:279)
>>>>
>>>>
>>>> Peter is waiting for a fix from GlassFish Scripting workspace and
>>>> I'd rather see a working build (at least from JRuby perspective)
>>>> before I integrate any further changes.
>>>>
>>>> Thanks,
>>>> -Arun
>>>
>>>
>>>
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-- 
Application Platform, Sun Microsystems, Inc.
Blog: http://blogs.sun.com/arungupta