JNDIRealm causing this: RE: Application running on Tomcat 4.1.3 s tops resonding when inst alled with the Manager app

["Collins, Jim" <ji...@uk.nomura.com>]

Hi again,

I am 99% sure that it is the JNDIRealm code that is causing my application
to stop responding for approximately 8 minutes at regular intervals. I will
try and look at the source to see if I can locate the problem. If anyone
else has had similar problems using JNDIRealm I would like to know.

Thanks

Jim.

> -----Original Message-----
> From: Collins, Jim [mailto:jim.collins@uk.nomura.com]
> Sent: 14 August 2002 13:23
> To: 'Tomcat Users List'
> Subject: RE: Application running on Tomcat 4.1.3 stops resonding when
> inst alled with the Manager app
> 
> 
> Hi,
> 
> I have taken Andrews advise and upgraded Tomcat. I am now 
> using version
> 4.1.8, however I am still getting the same problem. I believe 
> that I have
> narrowed the problem down to using JNDIRealm to authenticate 
> users, in the
> past I used Apache to authenticate a user against LDAP but 
> now I am running
> Tomcat stand alone and it authenticates against LDAP. This is 
> the only thing
> I can think of because I have never had this problem before 
> with earlier
> versions of Tomcat, and the Manager app also fails and that is using
> JNDIRealm to authenticate.
> 
> If anyone has any ideas about this it would be great.
> 
> Thanks.
> 
> Jim.
> 
> > -----Original Message-----
> > From: Collins, Jim [mailto:jim.collins@uk.nomura.com]
> > Sent: 13 August 2002 08:57
> > To: 'Tomcat Users List'
> > Subject: Application running on Tomcat 4.1.3 stops resonding when
> > installe d with the Manager app
> > 
> > 
> > Hi,
> > 
> > I have a an application running on Tomcat 4.1.3 that 
> frequently stops
> > responding for approximately 8 minutes. Tomcat itself is 
> > still running OK
> > and I can access the example servlets and JSP's with no problem. My
> > application is deployed as a WAR file using the Manager 
> > servlets install
> > command, and I don't know if it could be something to do with 
> > this. Below is
> > a stack trace from catalina.out that I get when the app stops 
> > responding: 
> > 
> > java.net.SocketException: Software caused connection abort
> >         at java.net.PlainSocketImpl.socketAccept(Native Method)
> >         at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:343)
> >         at java.net.ServerSocket.implAccept(ServerSocket.java:438)
> >         at java.net.ServerSocket.accept(ServerSocket.java:409)
> >         at
> > org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSo
> > cket(DefaultSe
> > rverSocketFactory.java:107)
> >         at
> > org.apache.tomcat.util.net.PoolTcpEndpoint.acceptSocket(PoolTc
> > pEndpoint.java
> > :335)
> >         at
> > org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoi
> > nt.java:483)
> >         at
> > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> > ThreadPool.jav
> > a:518)
> >         at java.lang.Thread.run(Thread.java:536)
> > 
> > If anyone has any idea why this is happening it would be 
> appreciated.
> > 
> > Thanks
> > 
> > Jim.
> > 
> > PS I am still working on the app and installing it and 
> > removing it quiet a
> > lot as develop and at times the install and remove commands 
> > don't respond
> > for about 8 minutes.
> > 
> > 
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PLEASE READ: The information contained in this email is confidential
and intended for the named recipient(s) only. If you are not an intended
recipient of this email you must not copy, distribute or take any 
further action in reliance on it and you should delete it and notify the
sender immediately. Email is not a secure method of communication and 
Nomura International plc cannot accept responsibility for the accuracy
or completeness of this message or any attachment(s). Please examine this
email for virus infection, for which Nomura International plc accepts
no responsibility. If verification of this email is sought then please
request a hard copy. Unless otherwise stated any views or opinions
presented are solely those of the author and do not represent those of
Nomura International plc. This email is intended for informational
purposes only and is not a solicitation or offer to buy or sell
securities or related financial instruments. Nomura International plc is
regulated by the Financial Services Authority and is a member of the
London Stock Exchange.



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