users@grizzly.java.net

Re: Odd class-loading issues

From: Igor Minar <iiminar_at_gmail.com>
Date: Mon, 6 Apr 2009 00:13:49 -0700

$ java -version
java version "1.6.0_07"
Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)

client mode

/i


On Apr 5, 2009, at 11:15 PM, Richard Corsale wrote:

>
> Which jvm are you using?
>
>
> Sent from my iPhone
>
> On Apr 6, 2009, at 12:49 AM, Igor Minar <iiminar_at_gmail.com> wrote:
>
> Hi folks,
>
> while working with gf v3b43 I started noticing occasional connection
> errors and messages in the logs that I captured below. The error
> occurs only 1-5 times in 1k requests, usually while the server is
> warming up.
>
> In my case the error occurs when grizzly is trying to initialize
> DefaultAsyncExecutor, but I don't understand why it's happening only
> on these rare occasions.
>
> Anyone has seen something similar?
>
> /i
>
>
>
> [#|2009-04-05T21:33:29.684-0700|SEVERE|glassfish|
> javax.enterprise.system.core|_ThreadID=16;_ThreadName=Thread-2;|
> Unable to load class com.igorminar.grizzlysendfile.SendfileFilter
> java.lang.ClassNotFoundException:
> com.igorminar.grizzlysendfile.SendfileFilter
> at
> org
> .apache
> .felix
> .framework
> .searchpolicy.R4SearchPolicyCore.findClass(R4SearchPolicyCore.java:
> 198)
> at
> org
> .apache
> .felix
> .framework.searchpolicy.R4SearchPolicy.findClass(R4SearchPolicy.java:
> 45)
> at
> org
> .apache
> .felix
> .framework
> .searchpolicy.ContentClassLoader.loadClass(ContentClassLoader.java:
> 109)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:247)
> at com.sun.grizzly.util.ClassLoaderUtil.load(ClassLoaderUtil.java:
> 166)
> at com.sun.grizzly.util.ClassLoaderUtil.load(ClassLoaderUtil.java:
> 154)
> at
> com
> .sun.grizzly.arp.DefaultAsyncExecutor.init(DefaultAsyncExecutor.java:
> 104)
> at
> com
> .sun
> .grizzly.arp.DefaultAsyncExecutor.<init>(DefaultAsyncExecutor.java:96)
> at
> com
> .sun
> .grizzly
> .arp.DefaultAsyncHandler.newAsyncExecutor(DefaultAsyncHandler.java:
> 100)
> at
> com
> .sun
> .grizzly
> .arp
> .DefaultAsyncHandler.newAsyncProcessorTask(DefaultAsyncHandler.java:
> 91)
> at
> com
> .sun
> .grizzly
> .arp
> .DefaultAsyncHandler.getAsyncProcessorTask(DefaultAsyncHandler.java:
> 118)
> at
> com
> .sun.grizzly.arp.DefaultAsyncHandler.handle(DefaultAsyncHandler.java:
> 137)
> at
> com
> .sun
> .grizzly.arp.AsyncProtocolFilter.execute(AsyncProtocolFilter.java:169)
> at
> com
> .sun
> .enterprise
> .v3
> .services
> .impl
> .GlassfishProtocolChain
> .executeProtocolFilter(GlassfishProtocolChain.java:71)
> at
> com
> .sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:
> 103)
> at
> com
> .sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:
> 89)
> at
> com
> .sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
> at
> com
> .sun
> .grizzly
> .ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
> at
> com
> .sun
> .grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:
> 303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.ThreadPoolExecutor
> $Worker.runTask(ThreadPoolExecutor.java:885)
> at java.util.concurrent.ThreadPoolExecutor
> $Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:637)
> Caused by: java.lang.ClassNotFoundException:
> com.igorminar.grizzlysendfile.SendfileFilter
> at
> org
> .apache
> .felix
> .framework
> .searchpolicy
> .R4SearchPolicyCore.findClassOrResource(R4SearchPolicyCore.java:486)
> at
> org
> .apache
> .felix
> .framework
> .searchpolicy.R4SearchPolicyCore.findClass(R4SearchPolicyCore.java:
> 185)
> ... 26 more
> |#]
>
> [#|2009-04-05T21:33:29.701-0700|SEVERE|glassfish|
> javax.enterprise.system.core|_ThreadID=16;_ThreadName=Thread-2;|The
> log message is null.
> java.lang.NullPointerException
> at
> com
> .sun
> .grizzly
> .arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:157)
> at
> com
> .sun
> .grizzly
> .arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:136)
> at
> com
> .sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:88)
> at com.sun.grizzly.http.TaskBase.run(TaskBase.java:189)
> at java.util.concurrent.ThreadPoolExecutor
> $Worker.runTask(ThreadPoolExecutor.java:885)
> at java.util.concurrent.ThreadPoolExecutor
> $Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:637)
> |#]
>
>
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