Worker thread initialization failure

Hello All,
After deploying the application and loading the first page, I am getting the below error.
Can you let me know as what is causing the below issue.
Also let me know If anything more info is needed.
I am using jboss to deploy and It is a enterprise application with ejbs, spring , hibernate and mysql database.
14:17:10,908 ERROR [ServerThread] Worker thread initialization failure
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.jboss.remoting.transport.socket.ServerThread.createServerSocketWrapper(ServerThread.java:755)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:375)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:173)
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2266)
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2279)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2750)
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:780)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:280)
at org.jboss.remoting.loading.ObjectInputStreamWithClassLoader.<init>(ObjectInputStreamWithClassLoader.java:95)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.createInput(JavaSerializationManager.java:54)
at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.getMarshallingStream(SerializableUnMarshaller.jav
a:72)
at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.getMarshallingStream(SerializableUnMarshaller.jav
a:55)
at org.jboss.remoting.transport.socket.ClientSocketWrapper.createInputStream(ClientSocketWrapper.java:179)
at org.jboss.remoting.transport.socket.ClientSocketWrapper.createStreams(ClientSocketWrapper.java:162)
at org.jboss.remoting.transport.socket.ClientSocketWrapper.<init>(ClientSocketWrapper.java:66)
at org.jboss.remoting.transport.socket.ServerSocketWrapper.<init>(ServerSocketWrapper.java:46)
... 7 more
14:17:10,910 ERROR [ServerThread] Worker thread initialization failure
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.jboss.remoting.transport.socket.ServerThread.createServerSocketWrapper(ServerThread.java:755)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:375)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:173)
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2266)
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2279)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2750)
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:780)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:280)
at org.jboss.remoting.loading.ObjectInputStreamWithClassLoader.<init>(ObjectInputStreamWithClassLoader.java:95)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.createInput(JavaSerializationManager.java:54)
at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.getMarshallingStream(SerializableUnMarshaller.jav
a:72)
at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.getMarshallingStream(SerializableUnMarshaller.jav
a:55)
at org.jboss.remoting.transport.socket.ClientSocketWrapper.createInputStream(ClientSocketWrapper.java:179)
at org.jboss.remoting.transport.socket.ClientSocketWrapper.createStreams(ClientSocketWrapper.java:162)
at org.jboss.remoting.transport.socket.ClientSocketWrapper.<init>(ClientSocketWrapper.java:66)
at org.jboss.remoting.transport.socket.ServerSocketWrapper.<init>(ServerSocketWrapper.java:46)
... 7 more

Its in the stacktrace itself.
Caused by: java.net.SocketTimeoutException: Read timed outApparently something in the networking environment is fudging things up. A firewall perhaps? Who knows, good luck finding out.

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Collection Server Initialization Failure

One of my collection servers will not initialize. The WinXP box was
replaced by a VMWare virtual WinXP machine and the ZAM 7.5 software was
installed on the new machine using the same name as the old server. I
installed the Task Server, Collection Server and the Collection client.
All of the services start and there are no errors in the event logs. The
manager shows the Task Server as running but the Collection server as
stopped. When I start the Collection server I get the errors shown
below. This is one of many Collection/Task Servers that I have setup
including some that have been replaced by virtual machines as this one
has been. All other Collection/Task Servers are running without error.
I'm willing to remove it from ZAM and re-install and have tried that
once to no avail. Any help is appreciated.
MSSQL2005
ZAM 7.5 IR13
Management Server Windows 2003
Collection/Task Servers WinXP
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Bucket size: 200
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Process Controller Initialized
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Resetting all Workstations to Disconnected
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Default Option Set (COptset) may have been updated
{67D90F66-44B1-40B4-B99E-47AC4AAC9D61}
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Process Controller Running
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Client cleanup. 0 entries.
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Default Option Set (COptset) may have been updated
{695CA4D0-CF4B-47C2-83B3-07461265CB06}
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Default Option Set (COptset) may have been updated
{56547EAC-3A97-4BFE-8648-CA68C8227574}
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Updating cache file TSUsage32.exe as
..\Cache\EXEDir\Client\Win32\TSUsage32.exe.
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
Filestore checksum failure
Filename: .\Cache\EXEDir\Client\Win32\TSUsage32.exe, Chksum
calculated: 1, errno: 0
Catalog (size: 446464, chksum: 48497451), File (size: 446464, chksum:
48597282)
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
Unable to retrieve file TSUsage32.exe or write to
..\Cache\EXEDir\Client\Win32\TSUsage32.exe
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
Application Object Error at 12/2/2008 10:05:48 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = TSUsage32.exe.
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Updating cache file tscclient as .\Cache\EXEDir\Client\Linux\tscclient.
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<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
Filestore checksum failure
Filename: .\Cache\EXEDir\Client\Linux\tscclient, Chksum calculated:
1, errno: 0
Catalog (size: 556853, chksum: 46150589), File (size: 557419, chksum:
46259996)
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
Unable to retrieve file tscclient or write to
..\Cache\EXEDir\Client\Linux\tscclient
</EVENT>
<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
Application Object Error at 12/2/2008 10:05:48 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = tscclient.
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<EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
Updating cache file colosx as .\Cache\EXEDir\Client\OSX\colosx.
</EVENT>
<EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Severe">
Filestore checksum failure
Filename: .\Cache\EXEDir\Client\OSX\colosx, Chksum calculated: 1,
errno: 0
Catalog (size: 1546124, chksum: 114527802), File (size: 1497396,
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<EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Severe">
Unable to retrieve file colosx or write to .\Cache\EXEDir\Client\OSX\colosx
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<EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Severe">
Application Object Error at 12/2/2008 10:05:49 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = colosx.
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<EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Info">
Updating cache file UMxlator.exe as
..\Cache\EXEDir\Client\Win32\UMxlator.exe.
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
Filestore checksum failure
Filename: .\Cache\EXEDir\Client\Win32\UMxlator.exe, Chksum
calculated: 1, errno: 0
Catalog (size: 1249280, chksum: 129525058), File (size: 1249280,
chksum: 129500295)
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
Unable to retrieve file UMxlator.exe or write to
..\Cache\EXEDir\Client\Win32\UMxlator.exe
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
Application Object Error at 12/2/2008 10:05:50 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = UMxlator.exe.
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Info">
Updating cache file siupd as .\Cache\EXEDir\SysinfoUpg\Linux\siupd.
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
Filestore checksum failure
Filename: .\Cache\EXEDir\SysinfoUpg\Linux\siupd, Chksum calculated:
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
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<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
Application Object Error at 12/2/2008 10:05:50 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = siupd.
</EVENT>
<EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Info">
Updating cache file Colw32.exe as .\Cache\EXEDir\Client\Win32\Colw32.exe.
</EVENT>
<EVENT AT="12/2/2008 10:05:54 AM" SEVERITY="Severe">
Filestore checksum failure
Filename: .\Cache\EXEDir\Client\Win32\Colw32.exe, Chksum calculated:
1, errno: 0
Catalog (size: 2285840, chksum: 230582079), File (size: 2371856,
chksum: 255767264)
</EVENT>
<EVENT AT="12/2/2008 10:05:54 AM" SEVERITY="Severe">
Unable to retrieve file Colw32.exe or write to
..\Cache\EXEDir\Client\Win32\Colw32.exe
</EVENT>
<EVENT AT="12/2/2008 10:05:54 AM" SEVERITY="Severe">
Application Object Error at 12/2/2008 10:05:54 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = Colw32.exe.
</EVENT>
<EVENT AT="12/2/2008 10:05:55 AM" SEVERITY="Severe">
Collection Server Error at 12/2/2008 10:05:55 AM on BMMSUS1 by BMMSUS1
Collection Server Initialization Failure
[2.6.4] The Collection Server failed to initialize.
Application Object Error at 12/2/2008 10:05:54 AM on BMMSUS1 by BMMSUS1
File Store Validation Failed.
[2.4.1216] This application was unable to access the file due to a
checksum failure. Source filename = Colw32.exe.
</EVENT>
<EVENT AT="12/2/2008 10:05:59 AM" SEVERITY="Info">
The Process Controller has terminated.
</EVENT>
<EVENT AT="12/2/2008 10:06:16 AM" SEVERITY="Info">
*** bmmsus1 *** One-minute Marker ***
</EVENT>

I tried copying the bin files from another server (again) and this time
it worked. I only wish I knew what I did different.
> One of my collection servers will not initialize. The WinXP box was
> replaced by a VMWare virtual WinXP machine and the ZAM 7.5 software was
> installed on the new machine using the same name as the old server. I
> installed the Task Server, Collection Server and the Collection client.
> All of the services start and there are no errors in the event logs. The
> manager shows the Task Server as running but the Collection server as
> stopped. When I start the Collection server I get the errors shown
> below. This is one of many Collection/Task Servers that I have setup
> including some that have been replaced by virtual machines as this one
> has been. All other Collection/Task Servers are running without error.
> I'm willing to remove it from ZAM and re-install and have tried that
> once to no avail. Any help is appreciated.
>
>
> MSSQL2005
> ZAM 7.5 IR13
> Management Server Windows 2003
> Collection/Task Servers WinXP
>
>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Bucket size: 200
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Process Controller Initialized
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Resetting all Workstations to Disconnected
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Default Option Set (COptset) may have been updated
> {67D90F66-44B1-40B4-B99E-47AC4AAC9D61}
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Process Controller Running
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Client cleanup. 0 entries.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Default Option Set (COptset) may have been updated
> {695CA4D0-CF4B-47C2-83B3-07461265CB06}
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Default Option Set (COptset) may have been updated
> {56547EAC-3A97-4BFE-8648-CA68C8227574}
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Updating cache file TSUsage32.exe as
> .\Cache\EXEDir\Client\Win32\TSUsage32.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
> Filestore checksum failure
>
> Filename: .\Cache\EXEDir\Client\Win32\TSUsage32.exe, Chksum
> calculated: 1, errno: 0
>
> Catalog (size: 446464, chksum: 48497451), File (size: 446464, chksum:
> 48597282)
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
> Unable to retrieve file TSUsage32.exe or write to
> .\Cache\EXEDir\Client\Win32\TSUsage32.exe
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
> Application Object Error at 12/2/2008 10:05:48 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = TSUsage32.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Updating cache file tscclient as .\Cache\EXEDir\Client\Linux\tscclient.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
> Filestore checksum failure
>
> Filename: .\Cache\EXEDir\Client\Linux\tscclient, Chksum calculated: 1,
> errno: 0
>
> Catalog (size: 556853, chksum: 46150589), File (size: 557419, chksum:
> 46259996)
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
> Unable to retrieve file tscclient or write to
> .\Cache\EXEDir\Client\Linux\tscclient
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Severe">
> Application Object Error at 12/2/2008 10:05:48 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = tscclient.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:48 AM" SEVERITY="Info">
> Updating cache file colosx as .\Cache\EXEDir\Client\OSX\colosx.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Severe">
> Filestore checksum failure
>
> Filename: .\Cache\EXEDir\Client\OSX\colosx, Chksum calculated: 1,
> errno: 0
>
> Catalog (size: 1546124, chksum: 114527802), File (size: 1497396,
> chksum: 111016250)
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Severe">
> Unable to retrieve file colosx or write to .\Cache\EXEDir\Client\OSX\colosx
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Severe">
> Application Object Error at 12/2/2008 10:05:49 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = colosx.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:49 AM" SEVERITY="Info">
> Updating cache file UMxlator.exe as
> .\Cache\EXEDir\Client\Win32\UMxlator.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
> Filestore checksum failure
>
> Filename: .\Cache\EXEDir\Client\Win32\UMxlator.exe, Chksum calculated:
> 1, errno: 0
>
> Catalog (size: 1249280, chksum: 129525058), File (size: 1249280,
> chksum: 129500295)
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
> Unable to retrieve file UMxlator.exe or write to
> .\Cache\EXEDir\Client\Win32\UMxlator.exe
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
> Application Object Error at 12/2/2008 10:05:50 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = UMxlator.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Info">
> Updating cache file siupd as .\Cache\EXEDir\SysinfoUpg\Linux\siupd.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
> Filestore checksum failure
>
> Filename: .\Cache\EXEDir\SysinfoUpg\Linux\siupd, Chksum calculated: 1,
> errno: 0
>
> Catalog (size: 7776, chksum: 613014), File (size: 7642, chksum: 602893)
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
> Unable to retrieve file siupd or write to
> .\Cache\EXEDir\SysinfoUpg\Linux\siupd
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Severe">
> Application Object Error at 12/2/2008 10:05:50 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = siupd.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:50 AM" SEVERITY="Info">
> Updating cache file Colw32.exe as .\Cache\EXEDir\Client\Win32\Colw32.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:54 AM" SEVERITY="Severe">
> Filestore checksum failure
>
> Filename: .\Cache\EXEDir\Client\Win32\Colw32.exe, Chksum calculated:
> 1, errno: 0
>
> Catalog (size: 2285840, chksum: 230582079), File (size: 2371856,
> chksum: 255767264)
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:54 AM" SEVERITY="Severe">
> Unable to retrieve file Colw32.exe or write to
> .\Cache\EXEDir\Client\Win32\Colw32.exe
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:54 AM" SEVERITY="Severe">
> Application Object Error at 12/2/2008 10:05:54 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = Colw32.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:55 AM" SEVERITY="Severe">
> Collection Server Error at 12/2/2008 10:05:55 AM on BMMSUS1 by BMMSUS1
> Collection Server Initialization Failure
> [2.6.4] The Collection Server failed to initialize.
>
> Application Object Error at 12/2/2008 10:05:54 AM on BMMSUS1 by BMMSUS1
> File Store Validation Failed.
> [2.4.1216] This application was unable to access the file due to a
> checksum failure. Source filename = Colw32.exe.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:05:59 AM" SEVERITY="Info">
> The Process Controller has terminated.
> </EVENT>
>
> <EVENT AT="12/2/2008 10:06:16 AM" SEVERITY="Info">
> *** bmmsus1 *** One-minute Marker ***
> </EVENT>

Using SSRS local mode, receive invalid token error when trying to export the report when running in worker thread

We're using ASP.net with .Net 4, developing with Visual Studio 2012. We use SSRS 2012sp1 with local reports, so exporting the report ourselves instead of using a reportviewer control (and not using the SQL Reporting service). The reports are
executing fine when we export the report in the main thread, but if we spawn a worker thread and run a report there we receive the following error when calling Render():
Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Failed to load expression host assembly. Details: Invalid token for impersonation - it cannot be duplicated.
We only receive this when running a report that uses expressions on a separate thread. I've tried running the application pool under all the default built-in accounts (NetworkService, etc), and under admin user accounts to no avail.
This didn't occur with the previous version of our application which used .net 3.5.

As mentioned, we are not using the Reportviewer control, we are rendering locally. Not certain if that would make a difference.
Also, I had tried using all the built-in accounts. Just for kicks I changed it to LocalSystem again, then reset IIS (see image below). I then tried to export the report in a worker thread and received the same error.
Here is the text from the exception:
Microsoft.Reporting.WebForms.LocalProcessingException: An error occurred during local report processing. ---> Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Failed to load expression host assembly. Details: Invalid token for impersonation - it cannot be duplicated.
at Microsoft.ReportingServices.RdlExpressions.ReportRuntime.ProcessLoadingExprHostException(ObjectType assemblyHolderObjectType, Exception e, ProcessingErrorCode errorCode)
at Microsoft.ReportingServices.RdlExpressions.ReportRuntime.LoadCompiledCode(IExpressionHostAssemblyHolder expressionHostAssemblyHolder, Boolean includeParameters, Boolean parametersOnly, ObjectModelImpl reportObjectModel, ReportRuntimeSetup runtimeSetup)
at Microsoft.ReportingServices.OnDemandProcessing.Merge.Init(Boolean includeParameters, Boolean parametersOnly)
at Microsoft.ReportingServices.OnDemandProcessing.Merge.Init(ParameterInfoCollection parameters)
at Microsoft.ReportingServices.ReportProcessing.Execution.ProcessReportOdp.CreateReportInstance(OnDemandProcessingContext odpContext, OnDemandMetadata odpMetadata, ReportSnapshot reportSnapshot, Merge& odpMerge)
at Microsoft.ReportingServices.ReportProcessing.Execution.ProcessReportOdp.Execute(OnDemandProcessingContext& odpContext)
at Microsoft.ReportingServices.ReportProcessing.Execution.RenderReportOdpInitial.ProcessReport(ProcessingErrorContext errorContext, ExecutionLogContext executionLogContext, UserProfileState& userProfileState)
at Microsoft.ReportingServices.ReportProcessing.Execution.RenderReport.Execute(IRenderingExtension newRenderer)
at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.RenderReport(IRenderingExtension newRenderer, DateTime executionTimeStamp, ProcessingContext pc, RenderingContext rc, IChunkFactory yukonCompiledDefinition)
at Microsoft.Reporting.LocalService.CreateSnapshotAndRender(ReportProcessing repProc, IRenderingExtension renderer, ProcessingContext pc, RenderingContext rc, SubreportCallbackHandler subreportHandler, ParameterInfoCollection parameters, DatasourceCredentialsCollection credentials)
at Microsoft.Reporting.LocalService.Render(String format, String deviceInfo, String paginationMode, Boolean allowInternalRenderers, IEnumerable dataSources, CreateAndRegisterStream createStreamCallback)
at Microsoft.Reporting.WebForms.LocalReport.InternalRender(String format, Boolean allowInternalRenderers, String deviceInfo, PageCountMode pageCountMode, CreateAndRegisterStream createStreamCallback, Warning[]& warnings)
--- End of inner exception stack trace ---
at Microsoft.Reporting.WebForms.LocalReport.InternalRender(String format, Boolean allowInternalRenderers, String deviceInfo, PageCountMode pageCountMode, CreateAndRegisterStream createStreamCallback, Warning[]& warnings)
at Microsoft.Reporting.WebForms.LocalReport.InternalRender(String format, Boolean allowInternalRenderers, String deviceInfo, PageCountMode pageCountMode, String& mimeType, String& encoding, String& fileNameExtension, String[]& streams, Warning[]& warnings)
at Microsoft.Reporting.WebForms.LocalReport.Render(String format, String deviceInfo, PageCountMode pageCountMode, String& mimeType, String& encoding, String& fileNameExtension, String[]& streams, Warning[]& warnings)
at Microsoft.Reporting.WebForms.Report.Render(String format, String deviceInfo, String& mimeType, String& encoding, String& fileNameExtension, String[]& streams, Warning[]& warnings)
at IxSS.Infolinx.Report.MicrosoftInfolinxReport.ExportReport(String strFileFullyQualifiedPath, String strExportType, String strFilterDesc, Dictionary`2 extraParams, String area)
at IxSS.Infolinx.Report.MicrosoftInfolinxReport.ExportReport(String strFileFullyQualifiedPath, String strExportType, String strFilterDesc, Dictionary`2 extraParams)

Calling a delegate on the UI thread from a work thread inside a child class.

Hi All,
I've run into a snag developing a WPF multithreaded app where I need to call a method on the UI thread from my work thread, where the work thread is running a different class.
Currently I am trying to use a delegate and an event in the 2nd class to call a method in the 1st class on the UI thread. This so far is not working as because the 2nd class is running in its own thread, it causes a runtime error when attempting to call
the event.
I've seen lots of solutions referring to using the dispatcher to solve this by invoking the code, however my work thread is running a different class than my UI thread, so it seems the dispatcher is not available?
Below is as simplified an example as I can make of what I am trying to achieve. Currently the below code results in a "The calling thread cannot access this object because a different thread owns it." exception at runtime.
The XAML side of this just produces a button connected to startThread2_Click() and a label which is then intended to be updated by the 2nd thread calling the updateLabelThreaded() function in the first thread when the button is clicked.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using System.Threading;
namespace multithreadtest
public delegate void runInParent();
public partial class MainWindow : Window
public MainWindow()
InitializeComponent();
threadUpdateLabel.Content = "Thread 1";
private void startThread2_Click(object sender, RoutedEventArgs e)
thread2Class _Thread2 = new thread2Class();
_Thread2.runInParentEvent += new runInParent(updateLabelThreaded);
Thread thread = new Thread(new ThreadStart(_Thread2.threadedTestFunction));
thread.Start();
public void updateLabelThreaded()
threadUpdateLabel.Content = "Thread 2 called me!";
public class thread2Class
public event runInParent runInParentEvent;
public void threadedTestFunction()
if (runInParentEvent != null)
runInParentEvent();
I'm unfortunately not very experienced with c# so I may well be going the complete wrong way about what I'm trying to do. In the larger application I am writing, fundamentally I just need to be able to call a codeblock in the UI thread when I'm in a different
class on another thread (I am updating many different items on the UI thread when the work thread has performed certain steps, so ideally I want to keep as much UI code as possible out of the work thread. The work threads logic is also rather complicated as
I am working with both a webAPI and a MySQL server, so keeping it all in its own class would be ideal)
If a more thorough explanation of what I am trying to achieve would help please let me know.
Any help with either solving the above problem, or suggestions for alternative ways I could get the class in the UI thread to do something when prompted by the 2nd class in the 2nd thread would be appreciated.
Thanks :)

If I follow the explanation, I think you can use MVVM Light messenger.
You can install it using NuGet.
Search on mvvm light libraries only.
You right click solution in solution explorer and choose manage nugget...
So long as you're not accessing ui stuff on these other threads.
using GalaSoft.MvvmLight.Messaging;
namespace wpf_Tester
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
public MainWindow()
InitializeComponent();
Messenger.Default.Register<String>(this, (action) => ReceiveString(action));
private void ReceiveString(string msg)
MessageBox.Show(msg);
Dispatcher.BeginInvoke((Action)delegate()
tb.Text = msg;
private void Button_Click(object sender, RoutedEventArgs e)
Task.Factory.StartNew(() => {
Messenger.Default.Send<String>("Hello World");
What the above does is start up a new thread - that startnew does that.
It sends of message of type string which the main window has subscribed to....it gets that and puts up a message box.
The message is sent from the window to the window in that but this will work across any classes in a solution.
Note that the receive acts on whichever thread the message is sent from.
I would usually be altering properties of a viewmodel with such code which have no thread affinity.
If you're then going to directly access properties of ui elements then you need to use Dispatcher.BeginInvoke to get back to the UI thread.
I do that with an anonymous action in that bit of code but you can call a method or whatever instead if your logic is more complicated or you need it to be re-usable.
http://social.technet.microsoft.com/wiki/contents/articles/26070.aspx
Hope that helps.
Technet articles: Uneventful MVVM;
All my Technet Articles

What is the max. count of internal worker-threads in B1iSN 88?

Hi Experts,
We have an installation of B1iSN 88 with an ECC 6.0 and 54 SAP Business One installation. The Hardware is 8 Core multi-threads processor. 32GB Memory. Now we have a problem with the queuing of Events. What we have found is that the configuration of the internal worker-threads is set to -1(please see below for the settings). We change the settings to xcl.threads=20 and it improves the queuing. My question is what is the max. count of internal worker-threads per core? so that we can know how many worker will set and if we need to upgrade the CPU to 16 Core..
# The max. count of internal worker-threads afforded for the internal Scheduler (defaults to 1)
# The value of 0 means that there is no limit (what in general should not be set up).
# A negative value means the count of threads per available processor
xcl.threads=-1
Regards,
Wilson

You're very welcome.
Yes, they are very nice machines.
What a jump in performance when I swapped out the Pentium 4 620 mine had, for the PD 945, and tossed in 4 GB of memory.
That box will also run the Radeon HD 6570 with no problem too, which is what I put in mine.
The downside of that model is that there are no settings for ahci or raid.
I own or have owned every CMT since the d510 with the exception of the dc7900.
My main PC is now the 8200 Elite CMT which I installed W8.1 on.
It has an i7-2600 processor and 32 GB of memory, 1 TB SATA III hard drive.
I threw in a Radeon HD 6670 in that one.
Best Regards,
Paul

Creator Freeze Often -- SWING Worker thread also

I'm developping an app with creator. And I have many freezes in several minutes long as some people mentioned before.
I'm running win XP on an opeteron 244(1.8G) x2 , with 2G memory. I've updated creator to the latest updates, but it doesn't seem to be better.
The things I found is that when I edit Session Bean , Creator takes especially long time to come up.
At that time, SWING worker thread of Creator IDE also stopping, No update of display , I only look window frame.
You know the SWING has a Single thread model ,so if some logic uses SWING worker's thread long time, all displying process will be stopped.
Below is the stacktrace just after a few seconds when Creator freeze by editing Session Bean.
I use the stacktrace tool at http://tmitevski.users.mcs2.netarray.com/trace.do
Full thread dump Java HotSpot(TM) Client VM (1.5.0_04-b05 mixed mode):
"StackTrace Remote Thread" prio=5 tid=0x48b10418 nid=0x368 waiting on condition [0x00000000..0x4e85fbac]
"Inactive RequestProcessor thread [Was:TimedWeakReference/org.netbeans.modules.projectapi.TimedWeakReference]" daemon prio=2 tid=0x48cc9e78 nid=0x634 in Object.wait() [0x4e89f000..0x4e89fbe8]
     at java.lang.Object.wait(Native Method)
     at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:692)
     - locked <0x1eeb8620> (a java.lang.Object)
"Inactive RequestProcessor thread [Was:Default RequestProcessor/org.netbeans.modules.editor.NbEditorUI$2]" daemon prio=2 tid=0x48d00d18 nid=0x814 in Object.wait() [0x4e79f000..0x4e79fce8]
     at java.lang.Object.wait(Native Method)
     at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:692)
     - locked <0x1eeb8690> (a java.lang.Object)
"Inactive RequestProcessor thread [Was:Java Children Provider/org.netbeans.modules.java.ui.nodes.elements.SourceChildren$4]" daemon prio=2 tid=0x48ce0d98 nid=0xd8c in Object.wait() [0x4e65f000..0x4e65fae8]
     at java.lang.Object.wait(Native Method)
     at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:692)
     - locked <0x1edbfe00> (a java.lang.Object)
"Inactive RequestProcessor thread [Was:Suggestions Broker/org.netbeans.modules.tasklist.suggestions.SuggestionsBroker$2]" daemon prio=2 tid=0x473e1c80 nid=0x9fc in Object.wait() [0x4b84f000..0x4b84fbe8]
     at java.lang.Object.wait(Native Method)
     at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:692)
     - locked <0x1ed09d38> (a java.lang.Object)
"Timer-48" prio=7 tid=0x492d4748 nid=0x930 in Object.wait() [0x4e43f000..0x4e43fa68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1eb90290> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-46" prio=7 tid=0x4831ede8 nid=0xff0 in Object.wait() [0x4e71f000..0x4e71fae8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1ea9f428> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-44" prio=7 tid=0x48b26ab0 nid=0xc50 in Object.wait() [0x4e81f000..0x4e81fb68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1dc0d688> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-42" prio=7 tid=0x50f3bb68 nid=0x8f0 in Object.wait() [0x4e7df000..0x4e7dfa68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1db078b8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-40" prio=7 tid=0x48bbde20 nid=0xf0c in Object.wait() [0x4e75f000..0x4e75f9e8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1d85d2b8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-38" prio=7 tid=0x50e67840 nid=0x8a4 in Object.wait() [0x4e6df000..0x4e6dfae8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1d7bc160> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-36" prio=7 tid=0x48ba3f50 nid=0xf58 in Object.wait() [0x4e5df000..0x4e5dfd68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1d7bc1d8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-34" prio=7 tid=0x48abb270 nid=0xee8 in Object.wait() [0x4e53f000..0x4e53fb68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1d339d68> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-32" prio=7 tid=0x47a6e050 nid=0xe98 in Object.wait() [0x4e69f000..0x4e69fa68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1b93e2e8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-30" prio=7 tid=0x4925bd38 nid=0x9a8 in Object.wait() [0x4e4bf000..0x4e4bfa68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1b3022f0> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-28" prio=7 tid=0x4930aae8 nid=0x620 in Object.wait() [0x4b70f000..0x4b70fae8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1af19770> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-26" prio=7 tid=0x485620c8 nid=0x120 in Object.wait() [0x4e59f000..0x4e59fb68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1978f0f8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-24" prio=7 tid=0x46d7e9e8 nid=0xaf8 in Object.wait() [0x4e61f000..0x4e61fbe8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x196f19e8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"VCS Command Tasks Starter Loop" daemon prio=2 tid=0x48aeed00 nid=0x96c in Object.wait() [0x4e4ff000..0x4e4ffbe8]
     at java.lang.Object.wait(Native Method)
     - waiting on <0x18841770> (a org.netbeans.modules.vcscore.commands.CommandProcessor)
     at java.lang.Object.wait(Object.java:474)
     at org.netbeans.modules.vcscore.commands.CommandProcessor.executorStarterLoop(CommandProcessor.java:757)
     - locked <0x18841770> (a org.netbeans.modules.vcscore.commands.CommandProcessor)
     at org.netbeans.modules.vcscore.commands.CommandProcessor.access$700(CommandProcessor.java:65)
     at org.netbeans.modules.vcscore.commands.CommandProcessor$5.run(CommandProcessor.java:776)
     at java.lang.Thread.run(Thread.java:595)
"Timer-16" prio=7 tid=0x46fa81a8 nid=0x69c in Object.wait() [0x4e3ff000..0x4e3ffd68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x151bf408> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"Timer-12" prio=7 tid=0x479eacf0 nid=0x2ec in Object.wait() [0x4b4df000..0x4b4dfce8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.util.TimerThread.mainLoop(Timer.java:483)
     - locked <0x1499b4e8> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"URLdisplayer" prio=7 tid=0x4865de20 nid=0xe2c in Object.wait() [0x4727f000..0x4727fd68]
     at java.lang.Object.wait(Native Method)
     - waiting on <0x12a02bb0> (a org.netbeans.modules.extbrowser.NbDdeBrowserImpl$URLDisplayer)
     at java.lang.Object.wait(Object.java:474)
     at org.netbeans.modules.extbrowser.NbDdeBrowserImpl$URLDisplayer.getNextTask(NbDdeBrowserImpl.java:223)
     - locked <0x12a02bb0> (a org.netbeans.modules.extbrowser.NbDdeBrowserImpl$URLDisplayer)
     at org.netbeans.modules.extbrowser.NbDdeBrowserImpl$URLDisplayer.run(NbDdeBrowserImpl.java:235)
     at java.lang.Thread.run(Thread.java:595)
"Text-Layout" prio=2 tid=0x475967e8 nid=0xa68 in Object.wait() [0x4b68f000..0x4b68fae8]
     at java.lang.Object.wait(Native Method)
     - waiting on <0x129e8cd0> (a org.netbeans.editor.view.spi.ViewLayoutQueue)
     at java.lang.Object.wait(Object.java:474)
     at org.netbeans.editor.view.spi.ViewLayoutQueue.waitForTask(ViewLayoutQueue.java:128)
     - locked <0x129e8cd0> (a org.netbeans.editor.view.spi.ViewLayoutQueue)
     at org.netbeans.editor.view.spi.ViewLayoutQueue$LayoutThread.run(ViewLayoutQueue.java:182)
"MDR event dispatcher" daemon prio=2 tid=0x47b8b450 nid=0x9c8 in Object.wait() [0x4b88f000..0x4b88fa68]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at org.netbeans.mdr.util.EventNotifier$EventsDelivery.run(EventNotifier.java:257)
     - locked <0x087d1b10> (a java.util.LinkedList)
     at java.lang.Thread.run(Thread.java:595)
"DestroyJavaVM" prio=5 tid=0x00038890 nid=0x4e4 waiting on condition [0x00000000..0x0007fae8]
"TimerQueue" daemon prio=5 tid=0x46da6908 nid=0x768 in Object.wait() [0x4716f000..0x4716fb68]
     at java.lang.Object.wait(Native Method)
     at javax.swing.TimerQueue.run(TimerQueue.java:233)
     - locked <0x07b22b68> (a javax.swing.TimerQueue)
     at java.lang.Thread.run(Thread.java:595)
"AWT-EventQueue-1" prio=7 tid=0x46ea8478 nid=0x990 runnable [0x4820e000..0x4820fbe8]
     at java.net.Inet4AddressImpl.getHostByAddr(Native Method)
     at java.net.InetAddress$1.getHostByAddr(InetAddress.java:842)
     at java.net.InetAddress.getHostFromNameService(InetAddress.java:532)
     at java.net.InetAddress.getHostName(InetAddress.java:475)
     at java.net.InetAddress.getHostName(InetAddress.java:447)
     at java.net.InetSocketAddress.getHostName(InetSocketAddress.java:210)
     at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:341)
     at java.net.Socket.connect(Socket.java:507)
     at java.net.Socket.connect(Socket.java:457)
     at java.net.Socket.<init>(Socket.java:365)
     at java.net.Socket.<init>(Socket.java:207)
     at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:142)
     at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:280)
     at com.mysql.jdbc.Connection.createNewIO(Connection.java:1774)
     at com.mysql.jdbc.Connection.<init>(Connection.java:437)
     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:268)
     at com.sun.rave.sql.DesignTimeDataSource.getConnection(DesignTimeDataSource.java:238)
     at com.sun.rave.sql.DesignTimeDataSource.getConnection(DesignTimeDataSource.java:214)
     at com.sun.sql.rowset.JdbcRowSetXImpl.connect(JdbcRowSetXImpl.java:410)
     at com.sun.sql.rowset.JdbcRowSetXImpl.prepare(JdbcRowSetXImpl.java:532)
     at com.sun.sql.rowset.JdbcRowSetXImpl.execute(JdbcRowSetXImpl.java:349)
     at caico.jsf.svc.itemSvc.<init>(itemSvc.java:81)
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
     at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
     at java.lang.Class.newInstance0(Class.java:350)
     at java.lang.Class.newInstance(Class.java:303)
     at com.sun.rave.insync.beans.BeansUnit.instantiateBean(BeansUnit.java:884)
     at com.sun.rave.insync.live.LiveUnit.ressurectDesignBean(LiveUnit.java:339)
     at com.sun.rave.insync.live.LiveUnit.resurrect(LiveUnit.java:406)
     at com.sun.rave.insync.live.LiveUnit.sync(LiveUnit.java:294)
     at com.sun.rave.insync.live.LiveUnitWrapper.sync(LiveUnitWrapper.java:115)
     at com.sun.rave.insync.models.FacesModel.syncImpl(FacesModel.java:899)
     at com.sun.rave.insync.Model.sync(Model.java:207)
     at com.sun.rave.insync.Model.sync(Model.java:173)
     at com.sun.rave.insync.ModelSet$WindowManagerPropertyRegistry.processNodes(ModelSet.java:107)
     at com.sun.rave.insync.ModelSet$WindowManagerPropertyRegistry.propertyChange(ModelSet.java:125)
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333)
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270)
     at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:249)
     at org.netbeans.core.windows.RegistryImpl.tryFireChanges(RegistryImpl.java:222)
     at org.netbeans.core.windows.RegistryImpl.selectedNodesChanged(RegistryImpl.java:186)
     at org.netbeans.core.windows.RegistryImpl.topComponentActivated(RegistryImpl.java:138)
     at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:893)
     at org.netbeans.core.windows.Central.setActiveMode(Central.java:182)
     at org.netbeans.core.windows.Central.userActivatedMode(Central.java:1451)
     at org.netbeans.core.windows.view.DefaultView.userActivatedModeView(DefaultView.java:591)
     at org.netbeans.core.windows.view.ui.TabbedHandler$ActivationManager.handleActivation(TabbedHandler.java:477)
     at org.netbeans.core.windows.view.ui.TabbedHandler$ActivationManager.eventDispatched(TabbedHandler.java:425)
     at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2206)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2100)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
     at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2058)
     at java.awt.Component.dispatchEventImpl(Component.java:3867)
     at java.awt.Container.dispatchEventImpl(Container.java:2024)
     at java.awt.Component.dispatchEvent(Component.java:3803)
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
     at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3889)
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
     at java.awt.Container.dispatchEventImpl(Container.java:2010)
     at java.awt.Window.dispatchEventImpl(Window.java:1774)
     at java.awt.Component.dispatchEvent(Component.java:3803)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
"Creator Error Handler Listener" prio=5 tid=0x4665f3d8 nid=0xf70 runnable [0x481cf000..0x481cfce8]
     at java.net.PlainSocketImpl.socketAccept(Native Method)
     at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
     - locked <0x0793baf0> (a java.net.SocksSocketImpl)
     at java.net.ServerSocket.implAccept(ServerSocket.java:450)
     at java.net.ServerSocket.accept(ServerSocket.java:421)
     at com.sun.rave.errorhandler.DebugServerThread.run(DebugServerThread.java:81)
"Java2D Disposer" daemon prio=10 tid=0x467d6760 nid=0xa08 in Object.wait() [0x46c8f000..0x46c8fce8]
     at java.lang.Object.wait(Native Method)
     at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
     - locked <0x07451380> (a java.lang.ref.ReferenceQueue$Lock)
     at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
     at sun.java2d.Disposer.run(Disposer.java:107)
     at java.lang.Thread.run(Thread.java:595)
"Active Reference Queue Daemon" daemon prio=2 tid=0x467bb638 nid=0xb70 in Object.wait() [0x46c4f000..0x46c4fd68]
     at java.lang.Object.wait(Native Method)
     at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
     - locked <0x07451408> (a java.lang.ref.ReferenceQueue$Lock)
     at org.openide.util.Utilities$ActiveQueue.run(Utilities.java:2465)
     at java.lang.Thread.run(Thread.java:595)
"Timer-0" daemon prio=5 tid=0x4678f2f0 nid=0xaf0 in Object.wait() [0x46c0f000..0x46c0f9e8]
     at java.lang.Object.wait(Native Method)
     at java.util.TimerThread.mainLoop(Timer.java:509)
     - locked <0x07451498> (a java.util.TaskQueue)
     at java.util.TimerThread.run(Timer.java:462)
"AWT-Windows" daemon prio=7 tid=0x467a54a0 nid=0x790 runnable [0x46a6f000..0x46a6fa68]
     at sun.awt.windows.WToolkit.eventLoop(Native Method)
     at sun.awt.windows.WToolkit.run(WToolkit.java:269)
     at java.lang.Thread.run(Thread.java:595)
"AWT-Shutdown" prio=5 tid=0x467a5008 nid=0xafc in Object.wait() [0x46a2f000..0x46a2fae8]
     at java.lang.Object.wait(Native Method)
     - waiting on <0x07451568> (a java.lang.Object)
     at java.lang.Object.wait(Object.java:474)
     at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:259)
     - locked <0x07451568> (a java.lang.Object)
     at java.lang.Thread.run(Thread.java:595)
"CLI Requests Server" daemon prio=5 tid=0x4676b380 nid=0xa64 runnable [0x4693f000..0x4693fbe8]
     at java.net.PlainSocketImpl.socketAccept(Native Method)
     at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
     - locked <0x07451720> (a java.net.SocksSocketImpl)
     at java.net.ServerSocket.implAccept(ServerSocket.java:450)
     at java.net.ServerSocket.accept(ServerSocket.java:421)
     at org.netbeans.CLIHandler$Server.run(CLIHandler.java:758)
"Low Memory Detector" daemon prio=5 tid=0x00ab83b8 nid=0xee0 runnable [0x00000000..0x00000000]
"CompilerThread0" daemon prio=10 tid=0x00ab7020 nid=0x9c4 waiting on condition [0x00000000..0x465cfa4c]
"Signal Dispatcher" daemon prio=10 tid=0x00ab6470 nid=0x31c runnable [0x00000000..0x00000000]
"Finalizer" daemon prio=9 tid=0x00aa95e0 nid=0x85c in Object.wait() [0x4654f000..0x4654fa68]
     at java.lang.Object.wait(Native Method)
     at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
     - locked <0x074519c0> (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=0x00aa8150 nid=0xf1c in Object.wait() [0x4650f000..0x4650fae8]
     at java.lang.Object.wait(Native Method)
     at java.lang.Object.wait(Object.java:474)
     at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
     - locked <0x07451590> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x00aa5780 nid=0x808 runnable
"VM Periodic Task Thread" prio=10 tid=0x00ab9858 nid=0x1b0 waiting on condition

Use a SwingUtilities.invokeLater(...) to invoke the main GUI. This will allow the button to repaint itself before the main GUI is invoked.

SSL connections blocking worker threads on DS 5.2 patch 4

Hi,
Is it normal for an idle SSL connection to consume a worker thread within the directory server?
We have recently enabled SSL on a number of our directory servers (5.2 patch 4) and have run into problems with the server hanging. We have a number of application servers, each opening a pool of connections to the servers via JNDI. It seems that once 30 SSL connections have been established to a give LDAP server, the server will hang. By hang I mean the server is accepting TCP connections, but not responding to LDAP requests.
The server can deal with a lot more than 30 non-ssl connections. I'm guessing that SSL connections need to maintain state, which is what is tying up the worker threads.
Is this normal, and is it docuemented anywhere? Currently I'm looking at terminating the SSL connections on a load balancer in front of the LDAP servers, or perhaps on an LDAP proxy. Any other suggestions as to how this is typically dealt with?
thanks,
R

Thank you Gautam.
On further testing yesterday, we discovered that the problem is just as you have described. Our application servers are opening an initial pool of five connections, but typically only using one of those connections. The one connection the server uses to make an LDAP request behaves 'normally', not tying up a thread on the LDAP server. The other four sit there blocking a thread each, until eventually we hit the nsslapd-threadnumber.
Based on that discovery, we're having the application changed so that its initial LDAP connection pool size is one, which appears to address the problem. That way connections are only established and added to the pool as they are required, resulting in well behaved connections to the LDAP server.
Thanks for the quick reply... The Sunsolve note is helpful, as is the info about the nsslapd-ioblocktimeout parameter.
kind regards,
R

Calling getAppletContext() from a working thread.

Hi guys,
I'm new to Java so all apologies if I'm asking a stupied question.
I have a simple applet that creates a working thread and I'm tring to call getAppletContext() from that thread.
Obviously my working thread has no instance of the Applet class so it fails.
I've try to create an instance of Applet, but I'm getting an error saying that the applet is not initialised.
This is my code:
class MyThread extends Thread
    String ThreadName;
    public MyThread(String threadName)
        ThreadName = threadName;
    @Override public void run()
        // ??? How to make the following line work ???
        getAppletContext().showDocument(new URL("javascript:alert(\"Calling from myThread\")"));
public class MyApplet extends Applet {
     public void init()
        // The following line works!
        getAppletContext().showDocument(new URL("javascript:alert(\"Calling from MyApplet)"));
        Thread WorkingThread = new MyThread("Thread1");
        WorkingThread.start();
}{code}
Please help,
Many thanks!
Salvador

Got it.
I needed to pass the keyword this to the thread constructor and then use that....
Many thanks!

IOP00710309: (INTERNAL) Worker thread Thread[p: default-threadpool; w: Idle,5,ORB ThreadGroup 0] caught throwable com.sun.corba.se.impl.orbutil.threadpool

Hi ,
I am seeing this issue while starting my managed server.
com.sun.corba.se.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread run
FINE: "IOP00710309: (INTERNAL) Worker thread Thread[p: default-threadpool; w: Idle,5,ORB ThreadGroup 0] caught throwable com.sun.corba.se.impl.orbutil.threadpool.TimeoutException when requesting work from work queue default-workqueue."
org.omg.CORBA.INTERNAL:   vmcid: SUN minor code: 309 completed: No
        at com.sun.corba.se.impl.logging.ORBUtilSystemException.workerThreadThrowableFromRequestWork(ORBUtilSystemException.java:6330)
        at com.sun.corba.se.impl.logging.ORBUtilSystemException.workerThreadThrowableFromRequestWork(ORBUtilSystemException.java:6355)
        at com.sun.corba.se.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(ThreadPoolImpl.java:494
I have searched the net for this but didnt find any resolution. Please help.
Regards,
Rishi

This became bug 6560301. And Sun pointed out that it was my bad in not handling spurious wakeups. Java 6 makes spurious wakeups more likely. (My experience is from "never" to "sometimes".)
More info at:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6560301

Processing requests in a separate worker thread created inside a servlet.

Scenario:
We have an action that needs to be initiated by a servlet, but will take some time to accomplish and so the servlet should just hand it off to a separate thread for actual processing, and the servlet should just respond immediately with a redirect to a JSP page that outputs a simple message saying the action has been initiated and current date and time.
Task:
So, create a servlet that accepts a parameter in the request (both POST and GET requests should be supported) and set up a separate worker thread (set one up in the init() method of the servlet) that it will hand off requests to. The servlet will call into the worker thread passing it the parameter value which will be put on the worker thread's queue.
The worker thread should stay asleep until it receives requests. Any requests will wake up the worker thread which will then process it's queue. The action would be a long running process, but for this test, it will just be to log a message to System.out including the parameter value and the current timestamp.
Please ensure that concurrency issues are handled correctly.

I'll get right on that.
Give me your professor's email address and I'll even send it directly to him. You won't have to lift a finger.
Krum

Worker thread not quite working

I had the standard 'waiting for a database' gray box problem. So I put my db calls into a worker thread. It was impractical to use the WorkerThread class that Sun distributes, so I wrote my own (see below). This solved the problem in most but not all cases.
In some situations, the user is looking at one window that overlaps another. When a button on the top window is pushed, the top window is dispose()'d of, and the worker thread is started. In this situation, the gray box problems rears its ugly head, despite the use of the worker thread.
Could that dispose() be causing the problem? Do I need to repaint the remaing window before calling the worker? If so, what command should I use? repaint()? setVisible(true)?
Any thoughts or suggestions would be appreciated.
Barnet Wagman
My worker thread code:
public class BossClass { // The worker thread is an inner class of this one
        // The following fields get used by the worker thread;
        // could this be a problem? I don't think so.
    private transient byte outcome;
    private transient Object resultObject;
    private transient URL url;
    private transient Thread mainThread;
    private transient boolean allDone;
        // Sends a command to a server and gets a returned object
    public synchronized void send(URL url) throws IOException {
        // ^ I've tried this with and without the synchronized - no difference
     this.url = url;
     mainThread = Thread.currentThread();
     allDone = false;
     new SendThread();
     while( !allDone ) {
         try { Thread.sleep(mnemonaface.Constants.SEND_OP_SLEEP_TIME); }
                    // I've tried the sleep time = 100, 500, 1000 milliseconds
         catch( InterruptedException ix ) {}
    class SendThread implements Runnable, Serializable {
     SendThread() {
         (new Thread(SendThread.this)).start();
     public void run() {
            URLConnection uc = url.openConnection();
            // Various things get done with the url connection
            allDone = true;
}

Instead of your method and inner class try this :
public void sendURL(URL url) {
     this.url = url;
     Runnable sender = new Runnable() {
          public void run() {
               URLConnection uc = url.openConnection();
     SwingUtilities.invokeLater(sender);
}I hope this helps,
Denis

Worker thread initialization failure

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