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Re: WOOutputPath causes launch hang
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Re: WOOutputPath causes launch hang

  • Subject: Re: WOOutputPath causes launch hang
  • From: Mike Schrag <email@hidden>
  • Date: Sun, 29 Oct 2006 21:16:59 -0500
Are all of the expected files inside of Main.wo?  .woo, .html, .wod?

On Oct 29, 2006, at 8:32 PM, Clark Mueller wrote:

I'm using the one out of dist, but Yes and No on the WebServerResources. To clarify, I HAD added the .wo as a WebServerResource to see if it made any difference. It searched for it there, and the same problem existed, but it does the same thing if it is only added as a Resource. In that case, the error message is the same, but with the Resources path instead of the WebServerResources path:

[2006-10-29 04:08:12 MST] <WorkerThread0> <com.webobjects.appserver._private.WOComponentDefinition> No template found for component Main at "file:/Users/clark/Code/ eclipse/RepairStatus/dist/RepairStatus.woa/Contents/Resources/ Main.wo".

So at this time, all of the .wos are in Resources, web server resources (two .gifs) are in WebServerResources, and the project jar contains all of the right classes, and lives in Resources/Java.

Clark

On 29 Oct 06, at 5:45 PM, Mike Schrag wrote:

Just to be sure, you're using the woa from the "dist" folder and not the woa from the "build" folder, right? And there's no Main.wo in dist/RepairStatus.woa/Contents/WebServerResources like the error message alludes to?

ms

On Oct 29, 2006, at 5:58 PM, Clark Mueller wrote:

I had added them to both to see if it made a difference, but it doesn't; if they're only added as resources, the same error occurs (for Resources instead of WSR).

resources.include.patternset:

**/*.eomodeld~/
**/*.woa/**
**/*.framework/**
**/src
**/components
**/*.wo

wsresources.include.patternset:

**/*.gif
**/*.xsl
**/*.css
**/*.png
**/*.jpg
**/*.js

classes.include.patternset:

**/*.class
*.properties
**/src
**/*.wo
**/*.java

Looking at the assembled .woa, it looks entirely normal... I've got three components and the Java dir in the Resources dir, a couple of images nested inside of WebServerResources, and the .jar contains all the right classes... Very confused!

Thanks,
Clark

On 29 Oct 06, at 8:06 AM, Mike Schrag wrote:

It's not necessarily the cause of your problem, but it's suspicious (depending on how your patterns are setup). *.wo files are not WebServerResources, they are Resources. It's suspicious that your Main.wo is in the WebServerResources folder. Where is Main.wo in your actual project? What do your resources.include.pattern and webserversources.include.pattern contain? (don't know if i have those filenames exactly right -- i don't have wolips open right now in front of me)

ms

On Oct 29, 2006, at 6:18 AM, Clark Mueller wrote:

Yeah, I'm confused too. I revisited this problem tonight, and while I'm not really much closer to a solution for it, I've got at least "better" activity on the development side. Somehow I've gotten from point A to point B, but I'm not exactly sure what happened in between. My development builds (using Ant only) are now spitting out this error when I visit the app in a browser, running from the Ant build on a dev box:

[2006-10-29 04:08:12 MST] <WorkerThread0> <com.webobjects.appserver._private.WOComponentDefinition> No template found for component Main at "file:/Users/clark/Code/ eclipse/RepairStatus/dist/RepairStatus.woa/Contents/ WebServerResources/Main.wo".

That error appeared out of nowhere the first time I tried building the app on the deployment box tonight, which is interesting, because I repeatedly cleaned the project the other night when I was originally having the problem. I found a couple of posts on the list that allude to checking the class name in the .api file. I don't have one... but I tried creating one and indicated the class name for the component as "package.Main". That didn't have any effect. I also found some very badly mangled character encoding in one of my components, but it was not the Main component (which is where ALL of the problems are).

Switching to incremental builds in Eclipse work perfectly... but don't leave me with anything I can deploy... I tried toggling the build type to incremental, deleting build.xml and cleaning the project, and then toggling it back to get a new build.xml file (although I hadn't changed mine), and that made no difference either. My working assumption is that the build.xml file I'm getting is bad in some way... but I'm not sure where to start looking.

? :-\

Thanks,
Clark

On 26 Oct 06, at 7:12 PM, Chuck Hill wrote:

Hi Clark,

On Oct 24, 2006, at 10:17 PM, Clark Mueller wrote:

Chuck,

Very odd! :-)

This is mostly a very, very simple application. There's probably less than 100 lines of controller code in total, and only three components. Nothing happens in the app constructor. It uses Axis as a client (not using WO web services), but not on launch. It has three models with no custom business logic. I'm not using Wonder for this project, and the frameworks are not even installed on the deployment server. Here are the "weird" things I can think of:

- I built it under JDK v1.5. Still runs fine on my development machine, and I certainly haven't had any problems at least with apps LAUNCHING using JDK 1.5. Building it under 1.4.2 doesn't seem to have made a difference. 

Check


- The .woa shows up as a folder in the Finder on the deployment machine... which is odd only because the other apps don't.

That is odd. I am not sure why that would happen. I don't know if it matters as it starts to launch.


The best I can figure is that it IS a WOLips specific problem of some sort - but I don't know nearly enough about what WOLips does differently in terms of building the application bundle to figure out where to start troubleshooting it. This is literally the first time I've actually dealt with a woa built by WOLips, but the bundle contents look correct... 

I've never seen this happen before either.


The only other interesting thing I noticed is that while it is hung, Monitor recognizes it as running, and if I go to the app in a browser, it shows a blank page. Here is the thread dump.

That sounds more like the app is throwing an exception when a request arrives and the log output is being redirected (perhaps to /dev/null). It will be hard to debug without log output.


Full thread dump Java HotSpot(TM) Client VM (1.5.0_06-64 mixed mode, sharing):

"WorkerThread15" prio=5 tid=0x0051d0e0 nid=0x187fc00 waiting for monitor entry [0xf151a000..0xf151aab0]
at java.net.PlainSocketImpl.accept (PlainSocketImpl.java:382)
- waiting to lock <0x268b0120> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept (ServerSocket.java:450)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:238)
at java.lang.Thread.run(Thread.java:613) 

These threads are just waiting for an incoming request.


"Thread-0" daemon prio=5 tid=0x00518260 nid=0x185e600 waiting on condition [0xf0d0a000..0xf0d0aab0]
at java.lang.Thread.sleep(Native Method)
at com.webobjects.appserver.WOApplication $_LifebeatThread.run(WOApplication.java:1233)

"Session Timeout Thread" daemon prio=5 tid=0x00517b60 nid=0x1867000 waiting on condition [0xf0c89000..0xf0c89ab0]
at java.lang.Thread.sleep(Native Method)
at com.webobjects.appserver.WOSessionStore $_SessionTimeoutManager.run(WOSessionStore.java:110)
at java.lang.Thread.run(Thread.java:613)

"Low Memory Detector" daemon prio=5 tid=0x0050a880 nid=0x1810800 runnable [0x00000000..0x00000000]

"CompilerThread0" daemon prio=9 tid=0x00509f30 nid=0x1810400 waiting on condition [0x00000000..0xf0b06358]

"Signal Dispatcher" daemon prio=9 tid=0x00509b30 nid=0x1815800 waiting on condition [0x00000000..0x00000000]

"Finalizer" daemon prio=8 tid=0x00509280 nid=0x1810000 in Object.wait() [0xf0a04000..0xf0a04ab0]
at java.lang.Object.wait(Native Method)
- waiting on <0x26ce7000> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove (ReferenceQueue.java:116)
- locked <0x26ce7000> (a java.lang.ref.ReferenceQueue $Lock)
at java.lang.ref.ReferenceQueue.remove (ReferenceQueue.java:132)
at java.lang.ref.Finalizer$FinalizerThread.run (Finalizer.java:159)

"Reference Handler" daemon prio=10 tid=0x00508e90 nid=0x180f000 in Object.wait() [0xf0983000..0xf0983ab0]
at java.lang.Object.wait(Native Method)
- waiting on <0x26ce7080> (a java.lang.ref.Reference $Lock)
at java.lang.Object.wait(Object.java:474)
at java.lang.ref.Reference$ReferenceHandler.run (Reference.java:116)
- locked <0x26ce7080> (a java.lang.ref.Reference$Lock)

"main" prio=5 tid=0x00501610 nid=0x1804600 in Object.wait() [0xf07ff000..0xf08002c0]
at java.lang.Object.wait(Native Method)
- waiting on <0x268b1000> (a com.webobjects.appserver._WORunLoop)
at com.webobjects.appserver._WORunLoop._acceptInputBeforeDate (_WORunLoop.java:217)
at com.webobjects.appserver._WORunLoop.runBeforeDate (_WORunLoop.java:71)
- locked <0x268b1000> (a com.webobjects.appserver._WORunLoop)
at com.webobjects.appserver.WOApplication._runOnce (WOApplication.java:775)
at com.webobjects.appserver.WOApplication.run (WOApplication.java:900)
at com.webobjects.appserver.WOApplication.main (WOApplication.java:324)
at com.macxprts.repairstatus.Application.main (Application.java:34)
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:585)
at com.webobjects._bootstrap.WOBootstrap.main (WOBootstrap.java:71)

"VM Thread" prio=9 tid=0x005086b0 nid=0x1803c00 runnable

"VM Periodic Task Thread" prio=9 tid=0x0050bf30 nid=0x181a000 waiting on condition

"Exception Catcher Thread" prio=10 tid=0x00501820 nid=0x1804e00 runnable

Nothing looks hung there, just a WO app waiting for something to do.

Chuck


On 24 Oct 06, at 10:27 PM, Chuck Hill wrote:

Clark,

This is rather odd! I can't think of what it might be. Let's try getting a thread dump when it hangs and see where it is stuck, maybe that will suggest something. Are you using Log4J or anything else unusual? Are you using Wonder?

If you need help getting a thread dump, this should help: http://www.gvcsitemaker.com/gvc.webobjects/ faq&mode=single&recordID=41413


Chuck


On Oct 24, 2006, at 9:01 PM, Clark Mueller wrote:

Chuck,

It doesn't appear to be. The appserver user has write access to the /Library/WebObjects/Logs/RepairStatus directory, and the files underneath it. I've tried running from the CLI as both the appserver user and root, with the same results. Here's an example of the full output:

This command hangs (with the -WOOutputPath flag, in this case set to /dev/null):

root# /Library/WebObjects/Applications/RepairStatus.woa/ RepairStatus -WOPort 5001 -WOOutputPath /dev/null - WOCachingEnabled NO -WODebuggingEnabled NO - WOAutoOpenInBrowser NO -WOAutoOpenClientApplication NO - WOLifebeatInterval 30 -WOLifebeatEnabled YES - WOLifebeatDestinationPort 1085 -WOAdaptor WODefaultAdaptor -WOWorkerThreadCount 8 -WOListenQueueSize 128 - WOWorkerThreadCountMin 16 -WOWorkerThreadCountMax 256 - NSProjectSearchPath "()" -WOSessionTimeOut 3600 - WOApplicationName RepairStatus -WOMonitorEnabled YES - WONoPause YES


Reading MacOSClassPath.txt ...
Launching RepairStatus.woa ...
java -XX:NewSize=2m -Xmx64m -Xms32m -DWORootDirectory="/ System" -DWOLocalRootDirectory="" -DWOUserDirectory="/ library/webobjects/applications" -DWOEnvClassPath="" - DWOApplicationClass=com.macxprts.repairstatus.Application - DWOPlatform=MacOS -Dcom.webobjects.pid=739 -classpath WOBootstrap.jar com.webobjects._bootstrap.WOBootstrap - WOPort 5001 -WOOutputPath /dev/null -WOCachingEnabled NO - WODebuggingEnabled NO -WOAutoOpenInBrowser NO - WOAutoOpenClientApplication NO -WOLifebeatInterval 30 - WOLifebeatEnabled YES -WOLifebeatDestinationPort 1085 - WOAdaptor WODefaultAdaptor -WOWorkerThreadCount 8 - WOListenQueueSize 128 -WOWorkerThreadCountMin 16 - WOWorkerThreadCountMax 256 -NSProjectSearchPath "()" - WOSessionTimeOut 3600 -WOApplicationName RepairStatus - WOMonitorEnabled YES -WONoPause YES
appRoot is /Library/WebObjects/Applications/ RepairStatus.woa/Contents
Loading /Library/WebObjects/Applications/RepairStatus.woa/ Contents/MacOS/MacOSClassPath.txt
Generated classpath:
/Library/WebObjects/Applications/RepairStatus.woa/ Contents/Resources/Java/
/Library/WebObjects/Applications/RepairStatus.woa/ Contents/Resources/Java/repairstatus.jar
/System/Library/Frameworks/JavaWebObjects.framework/ Resources/Java/javawebobjects.jar
/System/Library/Frameworks/JavaFoundation.framework/ Resources/Java/javafoundation.jar
/System/Library/Frameworks/JavaXML.framework/Resources/ Java/javaxml.jar
/System/Library/Frameworks/JavaEOAccess.framework/ Resources/Java/javaeoaccess.jar
/System/Library/Frameworks/JavaEOControl.framework/ Resources/Java/javaeocontrol.jar
/System/Library/Frameworks/JavaJDBCAdaptor.framework/ Resources/Java/javajdbcadaptor.jar
/Library/Frameworks/JavaWOExtensions.framework/Resources/ Java/JavaWOExtensions.jar
^C^C^C 


This command works (no -WOOutputPath flag at all):

# sudo -u appserver /Library/WebObjects/Applications/ RepairStatus.woa/RepairStatus -WOPort 5001 - WOCachingEnabled NO -WODebuggingEnabled NO - WOAutoOpenInBrowser NO -WOAutoOpenClientApplication NO - WOLifebeatInterval 30 -WOLifebeatEnabled YES - WOLifebeatDestinationPort 1085 -WOAdaptor WODefaultAdaptor -WOWorkerThreadCount 8 -WOListenQueueSize 128 - WOWorkerThreadCountMin 16 -WOWorkerThreadCountMax 256 - NSProjectSearchPath "()" -WOSessionTimeOut 3600 - WOApplicationName RepairStatus -WOMonitorEnabled YES - WONoPause YES


Reading MacOSClassPath.txt ...
Launching RepairStatus.woa ...
java -XX:NewSize=2m -Xmx64m -Xms32m -DWORootDirectory="/ System" -DWOLocalRootDirectory="" -DWOUserDirectory="/ library/webobjects/logs/RepairStatus" -DWOEnvClassPath="" - DWOApplicationClass=com.macxprts.repairstatus.Application - DWOPlatform=MacOS -Dcom.webobjects.pid=782 -classpath WOBootstrap.jar com.webobjects._bootstrap.WOBootstrap - WOPort 5001 -WOCachingEnabled NO -WODebuggingEnabled NO - WOAutoOpenInBrowser NO -WOAutoOpenClientApplication NO - WOLifebeatInterval 30 -WOLifebeatEnabled YES - WOLifebeatDestinationPort 1085 -WOAdaptor WODefaultAdaptor -WOWorkerThreadCount 8 -WOListenQueueSize 128 - WOWorkerThreadCountMin 16 -WOWorkerThreadCountMax 256 - NSProjectSearchPath "()" -WOSessionTimeOut 3600 - WOApplicationName RepairStatus -WOMonitorEnabled YES - WONoPause YES
appRoot is /Library/WebObjects/Applications/ RepairStatus.woa/Contents
Loading /Library/WebObjects/Applications/RepairStatus.woa/ Contents/MacOS/MacOSClassPath.txt
Generated classpath:
/Library/WebObjects/Applications/RepairStatus.woa/ Contents/Resources/Java/
/Library/WebObjects/Applications/RepairStatus.woa/ Contents/Resources/Java/repairstatus.jar
/System/Library/Frameworks/JavaWebObjects.framework/ Resources/Java/javawebobjects.jar
/System/Library/Frameworks/JavaFoundation.framework/ Resources/Java/javafoundation.jar
/System/Library/Frameworks/JavaXML.framework/Resources/ Java/javaxml.jar
/System/Library/Frameworks/JavaEOAccess.framework/ Resources/Java/javaeoaccess.jar
/System/Library/Frameworks/JavaEOControl.framework/ Resources/Java/javaeocontrol.jar
/System/Library/Frameworks/JavaJDBCAdaptor.framework/ Resources/Java/javajdbcadaptor.jar
/Library/Frameworks/JavaWOExtensions.framework/Resources/ Java/JavaWOExtensions.jar
[2006-10-24 22:53:17 CDT] <main> Creating LifebeatThread now with: RepairStatus 5001 <host>/<ip> 1085 30000
Welcome to RepairStatus!
[2006-10-24 22:53:17 CDT] <main> The URL for webserver connect is:
http://<ip>/cgi-bin/WebObjects/RepairStatus.woa/-5001
[2006-10-24 22:53:17 CDT] <main> null
[2006-10-24 22:53:17 CDT] <main> Waiting for requests... 

Thanks,
Clark

On 24 Oct 06, at 9:35 PM, Chuck Hill wrote:

Hi Clark,

It is probably a permissions problem as here:

http://www.gvcsitemaker.com/gvc.webobjects/ faq&mode=single&recordID=19193

HTH
Chuck

On Oct 24, 2006, at 8:31 PM, Clark Mueller wrote:

Hi everyone,

I'm having a problem deploying a new WO application. This is a very small app, and it's the first that I've built for deployment with WOLips (I am not sure if that's related or not, but I did it according to the tutorial @ http://www.objectstyle.org/confluence/display/WOL/Deploy+a +WO+Application). What's happening is that on launch, the application hangs immediately after printing the class path. In monitor, it eventually times out as a death. From the CLI, it looks like it just hangs that way indefinitely. The launch arguments are like so:

/Library/WebObjects/Applications/RepairStatus.woa/ RepairStatus -WOPort 5001 -WOOutputPath /dev/null - WOCachingEnabled NO -WODebuggingEnabled NO - WOAutoOpenInBrowser NO -WOAutoOpenClientApplication NO - WOLifebeatInterval 30 -WOLifebeatEnabled YES - WOLifebeatDestinationPort 1085 -WOAdaptor WODefaultAdaptor -WOWorkerThreadCount 8 - WOListenQueueSize 128 -WOWorkerThreadCountMin 16 - WOWorkerThreadCountMax 256 -NSProjectSearchPath "()" - WOSessionTimeOut 3600 -WOApplicationName RepairStatus - WOMonitorEnabled YES -WONoPause YES

I've found that if I remove WOOoutputPath, the app launches fine, but if it is set (apparently to anything), the app will hang. Other apps on the server are not having any problems launching.

Has anyone seen this before? Any thoughts?

Thanks,
Clark


--

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/ products/practical_webobjects






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References: 


 >Re: WOOutputPath causes launch hang (From: Mike Schrag <email@hidden>)


 >Re: WOOutputPath causes launch hang (From: Clark Mueller <email@hidden>)






    

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