Native IO Performance Pack

We had been happily using it on our 4 SPARC Solaris machines (1.2) until
this weekend when we went to deploy a new build and at a crucial point
in the site (the order page) we started getting cipher exceptions from
the WL SSL code.
What can we do about this? It would appear that we really need the
performance pack; the site is much slower w/out it.
Thanks,
Rob Williams
CTO
whn.com

Rob Williams wrote:
We had been happily using it on our 4 SPARC Solaris machines (1.2) until
this weekend when we went to deploy a new build and at a crucial point
in the site (the order page) we started getting cipher exceptions from
the WL SSL code.It would probably be helpful if you could post the cipher exceptions to
weblogic.developer.interest.security.
-- Rob
Rob Woollen
Software Engineer
BEA WebLogic
[email protected]
>
>
What can we do about this? It would appear that we really need the
performance pack; the site is much slower w/out it.
Thanks,
Rob Williams
CTO
whn.com

Similar Messages

Native Muxer - Performance Pack

Is there any way to use the performance pack/native muxer in a client
weblogic
RMI program. We have a client callback into the WLAS server so we
were hoping that there was a way to use the performance pack for
the clients socket io???
I know about increasing thread pool size on a client and socket readers
but
was hoping we could use native.
This is weblogic 6.0 sp2
Also if this is not available in 6.0 is it available in 6.1 or going to
be available in > 6.1

No, this is not currently available. FWIW, native io only helps when you
have a lot of sockets.
-- Rob
Larry Presswood wrote:
Is there any way to use the performance pack/native muxer in a client
weblogic
RMI program. We have a client callback into the WLAS server so we
were hoping that there was a way to use the performance pack for
the clients socket io???
I know about increasing thread pool size on a client and socket readers
but
was hoping we could use native.
This is weblogic 6.0 sp2
Also if this is not available in 6.0 is it available in 6.1 or going to
be available in > 6.1--
AVAILABLE NOW!: Building J2EE Applications & BEA WebLogic Server
by Michael Girdley, Rob Woollen, and Sandra Emerson
http://learnWebLogic.com
[att1.html]

URGENT - WL server crash in production - Native performance pack ??

Hi,
We are experiencing periodic crashes in our production environment of the
nature where WLS just stops running and exits out, i.e. the JVM exits
abruptly. Many times we have seen http tunneling / socket related exception
just before the crash occurs.
Following is our configuration -
WL 4.5.1 service pack 13
JDK 1.1.7B
OS: Windows NT 4.0, sp 5
Oracle 8.1.5 with Oracle Thin drivers for JDK 1.1.7
Native IO : true i.e we are using the NT performance pack.
The latest exception that we have seen is as under -
Wed Jan 24 11:01:46 EST 2001:<E> <HTTP> Servlet request terminiated with
RuntimeException:
Wed Jan 24 11:01:46 EST 2001:<E> <HTTP> java.lang.NullPointerException
at weblogic.socket.TunnelContext.getServlet(Compiled Code)
at weblogic.socket.MuxableSocketHTTP.invokeServlet(Compiled Code)
at weblogic.socket.MuxableSocketHTTP.execute(Compiled Code)
at weblogic.t3.srvr.ExecuteThread.run(Compiled Code)
This seems to be a problem related to the use of performance pack and native
sockets during HTTP tunneling. In the latest crash, we got the exception
pasted above and the server crashed about 2 seconds after that. We have seen
things in the recent past where we get a HTTP tunneling related exception
and the server exits immediately afterwards.
Is anybody using the native performance packs in their production
environment on the above mentioned configuration? Has anybody seen this kind
of behaviour? Does anybody have any input on the use of native performance
pack (nativeIO) and its pitfalls in WLS 4.5.1 and sp 13 or otherwise?
Some research and investigation from our side has revealed the following
(hope it helps, but want to know more and for sure) -
In the weblogic.socket.NTSocketMuxer.java, there is an infinite loop that
tries to send HTTP tunnel keep alive messages to the clients. There it tries
to get the TunnelServlet to send the message. It gets a runtime exception
(the one in the trace above) but that is caught and the loop goes on. But on
the next pass through (in about 2 secs. or so), it makes a some native calls
(getNextSocket(), deleteIoStructure() and memcpy() which are all native
methods). Experience says that all native calls are prone to serious
problems.
So, does anybody have any info./solution/suggestion to shed some light on
this issue. This is an urgent issue as it is affection the production
environment.
Thanks in advance.
-SG

No, this is not currently available. FWIW, native io only helps when you
have a lot of sockets.
-- Rob
Larry Presswood wrote:
Is there any way to use the performance pack/native muxer in a client
weblogic
RMI program. We have a client callback into the WLAS server so we
were hoping that there was a way to use the performance pack for
the clients socket io???
I know about increasing thread pool size on a client and socket readers
but
was hoping we could use native.
This is weblogic 6.0 sp2
Also if this is not available in 6.0 is it available in 6.1 or going to
be available in > 6.1--
AVAILABLE NOW!: Building J2EE Applications & BEA WebLogic Server
by Michael Girdley, Rob Woollen, and Sandra Emerson
http://learnWebLogic.com
[att1.html]

Native performance pack/muxer in weblogic java client

Is there any way to use the performance pack/native muxer in a client
weblogic
RMI program. We have a client callback into the WLAS server so we
were hoping that there was a way to use the performance pack for
the clients socket io???
I know about increasing thread pool size on a client and socket readers
but
was hoping we could use native.
This is weblogic 6.0 sp2
Also if this is not available in 6.0 is it available in 6.1 or going to
be available in > 6.1

No, this is not currently available. FWIW, native io only helps when you
have a lot of sockets.
-- Rob
Larry Presswood wrote:
Is there any way to use the performance pack/native muxer in a client
weblogic
RMI program. We have a client callback into the WLAS server so we
were hoping that there was a way to use the performance pack for
the clients socket io???
I know about increasing thread pool size on a client and socket readers
but
was hoping we could use native.
This is weblogic 6.0 sp2
Also if this is not available in 6.0 is it available in 6.1 or going to
be available in > 6.1--
AVAILABLE NOW!: Building J2EE Applications & BEA WebLogic Server
by Michael Girdley, Rob Woollen, and Sandra Emerson
http://learnWebLogic.com
[att1.html]

Native Performance pack for Intel Solaris

Do we have native performance pack for Intel Solaris? We are using
Weblogic 4.5.1
Thanks
Nagaraj

You have to add that directory to you LD_LIBRARY_PATH, not PATH
K.P. Patel <[email protected]> wrote in message
news:[email protected]..
never mind... I got it.. For some odd reason, I restarted weblogic few
times...and it picked up....
thanks
"K.P. Patel" <[email protected]> wrote in message
news:3ad64fb6$[email protected]..
yep, these property was set to true already....still doesn't load
performance pack
"Kumar Allamraju" <[email protected]> wrote in message
news:[email protected]..
Add the following property in weblogic.properties file.
weblogic.system.nativeIO.enable=true
Kumar
"K.P. Patel" wrote:
How do I include/install performance pack on my Solaris system for
WLS
5.1
I included $WAS_HOME/lib/solaris in my PATH in the startup script
which
didn't help any
thanks
kp

Native performance pack

Does the native performance pack work ok with weblogic 4.0.3 and
JDK1.1.7?
I looked at the 4.0 release notes and under 4.0.2 it seems there was a
problem. Is this fixed in 4.0.3?
Thanks
Mandy

It's been tested and does work under 4.0.3. and above.
Thanks,
Michael Girdley
Product Manager
WebLogic Server
[email protected]
-WebLogic is hiring for its downtown San Francisco, CA office. Resumes
welcome.
Mandy Pelly <[email protected]> wrote in message
news:[email protected]..
>
Does the native performance pack work ok with weblogic 4.0.3 and
JDK1.1.7?
I looked at the 4.0 release notes and under 4.0.2 it seems there was a
problem. Is this fixed in 4.0.3?
Thanks
Mandy

Unable to load performance pack using JRockit 26.3 on Solaris 10

Hi all,
I'm getting the following error when starting up my WebLogic 9.1 server instance on Solaris 10. I've recently upgraded from Sun's JVM to JRockit 26.3. I do not get this error when using Sun's JVM.
<May 16, 2006 9:16:38 AM EDT> <Error> <Socket> <BEA-000438> <Unable to load performance pack. Using Java I/O instead. Please ensure that a native performance library is in: '/usr/local/bea91_dev1/jrockit-R26.3.0-jdk1.5.0_06/jre/lib/sparcv9/jrockit:/usr/local/bea91_dev1/jrockit-R26.3.0-jdk1.5.0_06/jre/lib/sparcv9:/usr/local/bea91_dev1/jrockit-R26.3.0-jdk1.5.0_06/jre/../lib/sparcv9:/usr/local/bea91_dev1/patch_weblogic910/profiles/default/native:/usr/local/bea91_dev1/weblogic91/server/native/solaris/sparc:/usr/local/bea91_dev1/weblogic91/server/native/solaris/sparc/oci920_8:/usr/lib'
Here's the content of the /usr/local/bea91_dev1/weblogic91/server/native/solaris/sparc folder:
libfastfile.so libstackdump.so libwlfileio2.so
libjmsc.so libterminalio.so wlauth
libmuxer.so libweblogicunix1.so wlkeytool
libnodemanager.so libwlenv.so
I also have a sparc64 directory with the same file names.
Can anyone shed some light?
Regards,
Daniel

JRockit on Solaris is 64-bit so it needs the 64-bit performance pack files, so you need to have $WL_HOME/server/native/solaris/sparc64 in the LD_LIBRARY_PATH instead of $WL_HOME/server/native/solaris/sparc
Bob

WLS6.0 Performance Pack error

Hi,
I have a Fresh install under Solaris and when I start the Weblogic Server 6.0
I have this error
<Aug 26, 2001 10:18:37 PM GMT-05:00> <Notice> <WebLogicServer> <WebLogic Server
started>
<Aug 26, 2001 10:18:37 PM GMT-05:00> <Notice> <WebLogicServer> <SSLListenThread
listening on port 7002>
<Aug 26, 2001 10:18:37 PM GMT-05:00> <Notice> <WebLogicServer> <ListenThread listening
on port 7001>
<Aug 26, 2001 10:18:37 PM GMT-05:00> <Error> <Performance Pack> <Unable to load
performance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: getFdLimit
at weblogic.socket.PosixSocketMuxer.getFdLimit(Native Method)
at weblogic.socket.PosixSocketMuxer.<init>(PosixSocketMuxer.java:104)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:128)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:83)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:224)
>
And I never installed the Performance Pack or something like that can you Help
me?
Thanx Alot!!

1. Set ld_library_path enviornment variable as per BEA docs.
2.You don't have to install Performance pack. You have Enabled Performance Packs
or by default performance pack are enabled on sun solaris.
Here is a step :
To use the Administration Console to make sure performance packs are enabled:
Start the WebLogic Server Console.
Open the Servers folder in the navigation tree.
Select your server (myserver in a default installation) in the Servers folder.
Select the Configuration tab.
Select the Tuning tab.
If the Native IO Enabled check box is not selected, select the check box.
Click Apply.
Restart your sever.
Thanks
Jignesh Patel

Unable to load performance pack

Hi all,
Can anyone solve this problem.
I am starting weblogic server and it gives me message
"Unable to load performance pack, using java i/o.
It starts the server but it gives me above exception also.
Thanks.
Zahid.

Zahid,
Can you please provide the server version , service pack level and the
OS information.
Thanks
[email protected] wrote:
I get the same error. Here's the error message I get:
<Jan 28, 2002 10:57:59 AM EST> <Error> <Performance Pack> <Unable to
load perfor
mance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: no wlntio in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1312)
at java.lang.Runtime.loadLibrary0(Runtime.java:749)
at java.lang.System.loadLibrary(System.java:820)
at weblogic.socket.NTSocketMuxer.<init>(NTSocketMuxer.java:173)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at
weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:126)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:83)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:232)
zahid wrote:
Hi all,
Can anyone solve this problem.
I am starting weblogic server and it gives me message
"Unable to load performance pack, using java i/o.
It starts the server but it gives me above exception also.
Thanks.
Zahid.

Unable to Load Performance Pack / No muxer in java.library.path

When I start weblogic (version 7.0, running under jdk 1.4.1 on Win XP),
I'm getting the following error:
<Sep 30, 2002 9:03:02 AM CDT> <Error> <socket> <000433> <Unable to load
performance pack, using Java I/O instead.
java.lang.UnsatisfiedLinkError: no muxer in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1403)
at java.lang.Runtime.loadLibrary0(Runtime.java:788)
at java.lang.System.loadLibrary(System.java:832)
at weblogic.socket.PosixSocketMuxer.<init>
(PosixSocketMuxer.java:179)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance
(NativeConstruct
orAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance
(DelegatingC
onstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance
(Constructor.java:274)
at java.lang.Class.newInstance0(Class.java:306)
at java.lang.Class.newInstance(Class.java:259)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:54)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:37)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:199)
>
Can anyone tell me what this error means, and if there is a fix or
workaround? Any help will be appreciated!
Thanks,
Tim Perrigo

This happens with WebLogic every time when Windows version changes:
in 1.3.1 system property "os.name" is "windows 2000" when running on XP, and
in 1.4 it is "windows XP". Since Windows names are hardcoded somewhere in
WebLogic,
and it doesn't know anything about Windows XP, it thinks that it is running
on Unix and
attempts to load Posix performance pack (as you can see in the exception
stacktrace).
You can fix this by adding -Dos.name="windows 2000" to the command line.
"Tim Perrigo" <[email protected]> wrote in message
news:[email protected]..
When I start weblogic (version 7.0, running under jdk 1.4.1 on Win XP),
I'm getting the following error:
<Sep 30, 2002 9:03:02 AM CDT> <Error> <socket> <000433> <Unable to load
performance pack, using Java I/O instead.
java.lang.UnsatisfiedLinkError: no muxer in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1403)
at java.lang.Runtime.loadLibrary0(Runtime.java:788)
at java.lang.System.loadLibrary(System.java:832)
at weblogic.socket.PosixSocketMuxer.<init>
(PosixSocketMuxer.java:179)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance
(NativeConstruct
orAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance
(DelegatingC
onstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance
(Constructor.java:274)
at java.lang.Class.newInstance0(Class.java:306)
at java.lang.Class.newInstance(Class.java:259)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:54)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:37)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:199)
>
Can anyone tell me what this error means, and if there is a fix or
workaround? Any help will be appreciated!
Thanks,
Tim Perrigo--
Dimitri

Performance Pack Unable to load - WLS6.1 on RH7.3

When booting WLS 6.1 SP3
with JAVA_HOME=/home/bea/jdk1.3.1_02
I get an IncompatibleVMException
¿is this because WLS 6.1 is not supported on RedHat 7.3?
(WLS70 boot ok:)
<Sep 9, 2002 5:10:24 PM CLT> <Error> <Performance Pack> <Unable to load
performance pack, using Java I/O instead.
weblogic.socket.IncompatibleVMException: LD_LIBRARY_PATH suggests that
this VM uses green threads, not native threads
at weblogic.socket.PosixSocketMuxer.<init>(PosixSocketMuxer.java:93)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:192)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:144)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:233)
thank you

What Michael means is that when the Performance Pack fails to load, the Java
version of the code will be used instead so that the server will continue to
function. If all you want to do is get rid of the error message, set the
following property in the weblogic.properties file:
weblogic.system.nativeIO.enable=false
If you are using Service Pack 8, your problem may be related to a known issue
with SP8 and certain platforms (HP-UX and AIX) not being able to load the
performance pack. Please contact technical support for more information.
Thanks,
Robert
Jongwook Woo wrote:
Michael,
Thank you for your mail.
You can do without it. It isn't ported to Tru64.What do you mean "do without it"?
The platform support page for WebLogic Server is located at:
http://www.weblogic.com/platforms/index.html
If I read the document in the link, WLS5.1 would support Tru64. Doesn't it
support posix perfromance pack? I mean how can I remove the posix
performance error?
I am using WLS5.1 sp6 and 8 on Tru64 V5.0A. But the documentation says
WLS5.1 work with Tru64 V4.0F. Does it mean that performance pack will not
work in my environment?
Have you seen people who succeed in executing performance pack with the same
environment as mine?
Regards,
JOngwook
>

Windows2000 and JDK 1.2.2 - Unable to load performance pack

I am running Windows 2000, Weblogic 5.1 SP9 and JAVA version 1.2.2 Classic VM
(build JDK-1.2.2-001, native threads, symcjit)
I get the following error and I did not used to recieve the error on Windows NT.
I have just migrated from Windows NT to Windows 2000.
Any assisstence would be greatly appreciated.
Here's an excerpt from the log.
BEGIN PASTE
Sat Jul 28 16:00:12 PDT 2001: <ListenThread> Listening on port: 7001
Sat Jul 28 16:00:12 PDT 2001:<E> <Performance Pack> Unable to load performance
pack, using Java I/O.
Sat Jul 28 16:00:13 PDT 2001: <WebLogicServer> WebLogic Server started
---END PASTE---

Using same, except JDK 1.2.2_006 and no problem.
"C. Wassman" <[email protected]> wrote in message
news:3b634817$[email protected]..
>
>
>
I am running Windows 2000, Weblogic 5.1 SP9 and JAVA version 1.2.2 ClassicVM
(build JDK-1.2.2-001, native threads, symcjit)
I get the following error and I did not used to recieve the error onWindows NT.
I have just migrated from Windows NT to Windows 2000.
Any assisstence would be greatly appreciated.
Here's an excerpt from the log.
BEGIN PASTE
Sat Jul 28 16:00:12 PDT 2001: <ListenThread> Listening on port: 7001
Sat Jul 28 16:00:12 PDT 2001:<E> <Performance Pack> Unable to loadperformance
pack, using Java I/O.
Sat Jul 28 16:00:13 PDT 2001: <WebLogicServer> WebLogic Server started
---END PASTE---

Weblogic 9.2 Unable to load Performance Pack

64 bit windows running Weblogic 9.2.3
Mar 8, 2010 10:02:48 AM GMT> <Error> <Socket> <BEA-000438> <Unable to load performance pack. Using Java I/O instead.
Please ensure that wlntio.dll is in: 'C:\bea\WEBLOG~1\server\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:\bea\WEBLOG~1\server\native\win\x64\;C:\bea\WEBLOG~1\server\bin;D:\oracle\product\102~1.0\client_1\jdk\jre\bin;D:\oracle\product\102~1.0\client_1\jdk\bin;C:\bea\WEBLOG~1\server\native\win\x64\oci920_8;D:\oracle\product\10.2.0\client_1\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem'
>
The 64 bit dll is in the C:\bea\weblogic92\server\native\win\x64 directory.
Any ideas whats happening here?

Hi,
Please add the following JAVA_OPTIONS in your server startScript:
set JAVA_OPTIONS= %JAVA_OPTIONS% -Djava.library.path=C:\bea\weblogic92\server\native\win\x64;C:\bea\WEBLOG~1\server\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\bea\WEBLOG~1\server\native\win\x64\;C:\bea\WEBLOG~1\server\bin;D:\oracle\product\102~1.0\client_1\jdk\jre\bin;D:\oracle\product\102~1.0\client_1\jdk\bin;C:\bea\WEBLOG~1\server\native\win\x64\oci920_8;D:\oracle\product\10.2.0\client_1\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
The above complete thing is one line without any space in it. The only space is there between %JAVA_OPTIONS% and -Djava.library.path
Thanks
Jay SenSharma
http://jaysensharma.wordpress.com (WebLogic Wonders Are Here)

Unable to load performance pack, using Java I/O.

Hi there,
I am trying to start weblogic 6.0 from jBuilder. It does start, and
working. But, I got the one problem about loading performance pack. The
message is the following. Any comment?
Thank you
----------------------------------------->Starting WebLogic Server ....
<Jun 27, 2001 1:35:13 PM EDT> <Notice> <Management> <Loading configuration
file C:\bea\wlserver6.0sp1\config\mydomain\config.xml ...>
log file:
C:\bea\wlserver6.0sp1\config\mydomain\config\config\mydomain\logs\weblogic.l
og
<Jun 27, 2001 1:35:14 PM EDT> <Info> <Logging> <Only log messages of
severity "Error" or worse will be displayed in this window. This can be
changed at Admin Console> mydomain> Servers> myserver> Logging> General>
Stdout severity threshold>
<Jun 27, 2001 1:35:46 PM EDT> <Notice> <WebLogicServer> <ListenThread
listening on port 7001>
<Jun 27, 2001 1:35:46 PM EDT> <Notice> <WebLogicServer> <WebLogic Server
started>
<Jun 27, 2001 1:35:46 PM EDT> <Error> <Performance Pack> <Unable to load
performance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: no wlntio in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1312)
at java.lang.Runtime.loadLibrary0(Runtime.java:749)
at java.lang.System.loadLibrary(System.java:820)
at weblogic.socket.NTSocketMuxer.<init>(NTSocketMuxer.java:173)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:126)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:83)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:224)
>

Thank you
But, it does not work. It does the same. Here is the message.
------------------------------------------------------------>C:\bea\jdk130\bin\javaw -classpath
"S:\Java\classes;C:\jdk1.3\jre\lib\rt.jar;S:\Java\lib\activation.jar;S:\Java
\lib\classes12.zip;S:\Java\lib\cos.jar;S:\Java\lib\dx3.0.jar;S:\Java\lib\dx3
.0-res.jar;S:\Java\lib\fscontext.jar;S:\Java\lib\j2ee.jar;S:\Java\lib\java40
.jar;S:\Java\lib\jgl3.1.0.jar;S:\Java\lib\jsdk21.jar;S:\Java\lib\junit.jar;S
:\Java\lib\mail.jar;S:\Java\lib\msclasses.zip;S:\Java\lib\rootriver.report.j
ar;S:\Java\lib\servlet.jar;S:\Java\lib\ServletExecDebugger.jar;S:\Java\lib\s
truts.jar;C:\bea\wlserver6.0sp1\lib\weblogic.jar;C:\bea\wlserver6.0sp1\lib\x
mlx.jar;C:\bea\wlserver6.0sp1\bin;C:\junit3.5\junit.jar;C:\jakarta-struts-1.
0-b1\lib\struts.jar;C:\JBuilder4\jdk1.3\demo\jfc\Java2D\Java2Demo.jar;C:\JBu
ilder4\jdk1.3\jre\lib\i18n.jar;C:\JBuilder4\jdk1.3\jre\lib\jaws.jar;C:\JBuil
der4\jdk1.3\jre\lib\rt.jar;C:\JBuilder4\jdk1.3\jre\lib\sunrsasign.jar;C:\JBu
ilder4\jdk1.3\lib\dt.jar;C:\JBuilder4\jdk1.3\lib\tools.jar" -ms64m -mx64m -
classpath
"C:\bea\wlserver6.0sp1;C:\bea\wlserver6.0sp1\bin;C:\bea\wlserver6.0sp1\lib\w
eblogic_sp.jar;C:\bea\wlserver6.0sp1\lib\weblogic.jar;S:\Java\classes;S:\Jav
a\lib\classes12.zip;C:\jakarta-struts-1.0-b1\lib\struts.jar;S:\Java\lib\dx3.
0.jar;S:\Java\lib\rootriver.report.jar;S:\Java\lib;S:\Java\lib\struts.jar;"
"-Dweblogic.RootDirectory=C:\bea\wlserver6.0sp1"
"-Dweblogic.Domain=mydomain" "-Dweblogic.Name=myserver" "-Dbea.home=c:\bea"
"-Djava.security.policy==c:\bea\wlserver6.0sp1\lib\weblogic.policy"
"-Dweblogic.management.password=password" weblogic.Server -hotspot
Starting WebLogic Server ....
<Jun 27, 2001 4:00:39 PM EDT> <Notice> <Management> <Loading configuration
file C:\bea\wlserver6.0sp1\config\mydomain\config.xml ...>
log file:
C:\bea\wlserver6.0sp1\config\mydomain\config\config\mydomain\logs\weblogic.l
og
<Jun 27, 2001 4:00:50 PM EDT> <Info> <Logging> <Only log messages of
severity "Error" or worse will be displayed in this window. This can be
changed at Admin Console> mydomain> Servers> myserver> Logging> General>
Stdout severity threshold>
<Jun 27, 2001 4:02:32 PM EDT> <Notice> <WebLogicServer> <WebLogic Server
started>
<Jun 27, 2001 4:02:32 PM EDT> <Notice> <WebLogicServer> <ListenThread
listening on port 7001>
<Jun 27, 2001 4:02:32 PM EDT> <Error> <Performance Pack> <Unable to load
performance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: no wlntio in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1312)
at java.lang.Runtime.loadLibrary0(Runtime.java:749)
at java.lang.System.loadLibrary(System.java:820)
at weblogic.socket.NTSocketMuxer.<init>(NTSocketMuxer.java:173)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:126)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:83)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:224)
>

Unable to load performance pack. Using Java I/O instead. Please ensure...

Hi there.
I am running WL 1033 development version using 64-bit 1.6.1 jdk (jdk-6u21-windows-x64) and the performance is terrible. I have upped my mem settings to this:
set MEM_ARGS=-Xms1024m -Xmx1408m -XX:PermSize=1024m -XX:MaxPermSize=1024m
and after a couple of deploys, I still get out of memory errors.
I notice this message on startup: <BEA-000438> <Unable to load performance pack. Using Java I/O instead. Please ensure that wlntio.dll is in:
Could this be part of my performace issues? If so, how do I fix it?
I followed the install directions in the README.txt file from this zip file: wls1033_dev.zip
Mike

Hi Mike,
If you are using 64 bit of Windows Operating System then Make sure that you add the following directory in the *"java.library.path"*....
Directory: E:\bea1033\wlserver_10.3\server\native\win\64
Example: In your servers start Script please add the following MEM_ARGS or in JAVA_OPTIONS:

set MEM_ARGS= -Xms1024m -Xmx1408m -XX:PermSize=1024m -XX:MaxPermSize=1024m -Djava.library.path=E:\bea1033\wlserver_10.3\server\native\win\64
Thanks
Jay SenSharma
http://middlewaremagic.com/weblogic (Middleware Magic Is Here)

Native IO Performance Pack

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