JDBC ODBC Servlets on JWS

1999-12-10 Thread Amit

i was attempting to use the JDBC ODBC driver along with Java Servlets
operating on a Java Web Server. I have been getting an error when
attempting to concurrently access the same servlet accessing a stored
procedure in Oracle 8 which i have not been
able to figure out. the details of the error message and log file have
been attached below.

Thanks

*Connection.close
2 Statement(s) to close
*Statement.close
Free statement (SQLFreeStmt), hStmt=126696504, fOption=1
deregistering Statement sun.jdbc.odbc.JdbcOdbcCallableStatement@99ba8d7e

*Statement.close
Free statement (SQLFreeStmt), hStmt=126708608, fOption=1
deregistering Statement sun.jdbc.odbc.JdbcOdbcStatement@9f228d7e
Disconnecting (SQLDisconnect), hDbc=9677232
Closing connection (SQLFreeConnect), hDbc=9677232
Closing environment (SQLFreeEnv), hEnv=9677104
ERROR - S1000 General error
java.sql.SQLException: General error
 at sun.jdbc.odbc.JdbcOdbc.throwGenericSQLException(JdbcOdbc.java:4218)
 at sun.jdbc.odbc.JdbcOdbc.SQLFreeEnv(JdbcOdbc.java:1379)
 at
sun.jdbc.odbc.JdbcOdbcDriver.closeConnection(JdbcOdbcDriver.java:833)
 at sun.jdbc.odbc.JdbcOdbcConnection.close(JdbcOdbcConnection.java:474)
 at Clock18.doGet(Compiled Code)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:715)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:840)
 at com.sun.server.ServletState.callService(ServletState.java:226)
 at
com.sun.server.ServletManager.callServletService(ServletManager.java:936)

 at
com.sun.server.http.servlet.InvokerServlet.service(InvokerServlet.java:137)

 at javax.servlet.http.HttpServlet.service(HttpServlet.java:840)
 at com.sun.server.ServletState.callService(ServletState.java:226)
 at
com.sun.server.ServletManager.callServletService(ServletManager.java:936)

 at
com.sun.server.ProcessingState.invokeTargetServlet(ProcessingState.java:423)

 at
com.sun.server.http.HttpProcessingState.execute(HttpProcessingState.java:79)

 at com.sun.server.http.stages.Runner.process(Runner.java:79)
 at com.sun.server.ProcessingSupport.process(Compiled Code)
 at com.sun.server.Service.process(Service.java:204)
 at
com.sun.server.http.HttpServiceHandler.handleRequest(HttpServiceHandler.java:374)

 at com.sun.server.http.HttpServiceHandler.handleRequest(Compiled Code)
 at com.sun.server.HandlerThread.run(Compiled Code)



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Help Required!!

1999-12-11 Thread Amit

Dear Sir,

I have a problem and would be grateful if you could help me.


My java applet application is working perfectly fine with MSIE4.0 and
with Netscape on Linux6.0.But
while executing it with Netscape 4.5 on windows, it gives all sorts of
errors.i.e.

it does not follow top down procedure.
eg if the word "hello" has to be read from the datainputstream of the
socket ,it will read in the order "hello" or "elhlo" or "lleho" and so
on (all the combinations possible).This is happening with only the first

word on the inputstream.


I have the feeling that the thread does not get terminated properly.So
when i create a new thread with the same name.As a result both the
threads execute simultaneously and results in a mess. Can this be the
problem??If so..whats the solution.


Thanks,
Manish
[EMAIL PROTECTED]


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Java on Red Hat linux 6.2

2000-07-11 Thread AMIT VERMA

Hello Sir,

   A brief about myself. I am a computer
programmer working on Vb from last 4 years. 

I recently installed Linux 6.2 from a monthly PC Quest
in India.

I have also done java 1.2.2 on Win platform.

On this months CD i got java 1.2.2 on Linux from PC
Quest. Since previuosly they put RHLinux 6.2, so the
java1.2.2 version will be for that only.

About Linux

I have three users

root
user
user1

on user account i made a directory call java and under
that i installed jdk1.2.2.

now i have /user/java/jdk1.2.2

i want to run java programs, so i have to compile them
with javac command.

i tried the command and got an error

bash : javac command not found. 

then i referred a book java on linux
and also searched thru ur website for help. i came to
know i have to set env variables(JAVA_HOME, PATH and
CLASSPATH)

i used the following commands from my user account
prompt:

export JAVA_HOME=/java/jdk1.2.2

export PATH$JAVA_HOME/bin:$PATH
(i also tried: export PATH=/java/jdk1.2.2/bin:$PATH)

export CLASSPATH=JAVA_HOME/.

but still when i want to compile a file with javac i
get the same error..please respond .. i am waiting for
a reply..

Amit Verma
[EMAIL PROTECTED]

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thread limit

2003-07-18 Thread Amit Kirdatt
We are using Redhat Advanced Server 2.1 
kernel 2.4.9-e.3smp
java version 1.3.1_07
Bea Weblogic 6.2 sp4
4 processors 
3GB RAM

The problem we are running into is that when we invoke weblogic with
-mx1536m jvm option flag we hit a native thread limit of 199 threads. 
If we invoke the JVM with no options we can generate about 938 threads,
which is good but does not help us as the application is memory intensive. 
Is there a way to increase that 199 thread limit higher? Also does somebody
know why more memory is inversely proptional to the number native threads
that can be created?  
Any help is appreciated!!

Thanks
Amit 


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-Xms option for appletviewer and plug-in

2004-07-09 Thread Amit Dubey
Hi,
I downloaded the 1.4.2 Java SDK today, and I couldn't get it to work 
unless I used the "-Xms..." option with small heap sizes. The problem 
is, this option doesn't appear to work with "appletviewer", and I have 
no idea what to do about the Java plug-in (the plug-in control panel 
might have an option for this, but it requires appletviewer to run). 
Does any one have any tips?

Thanks in advance,
Amit Dubey

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Re: -Xms option for appletviewer and plug-in

2004-07-09 Thread Amit Dubey
Oops, I mean -Xmx...
-Amit
Amit Dubey wrote:
Hi,
I downloaded the 1.4.2 Java SDK today, and I couldn't get it to work 
unless I used the "-Xms..." option with small heap sizes. The problem 
is, this option doesn't appear to work with "appletviewer", and I have 
no idea what to do about the Java plug-in (the plug-in control panel 
might have an option for this, but it requires appletviewer to run). 
Does any one have any tips?

Thanks in advance,
Amit Dubey


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JDK 1.4.2 fonts issue

2004-07-12 Thread Amit Kirdatt
We have a web application which generates RTFs dynamically (uses jFor). One
of the RTFs contains the following symbol § (symbol for section). Now this
symbol displays correctly if we start our JBoss server from the command
line, but when it automatically starts (we have some automated scripts)
starts via crontab the symbol does not display correctly!
Now this used to work on JDK1.3, any ideas?

I have tried copying the ttf files over from the jdk1.3 fonts dir to the
jdk1.4.2 fonts dir, but no luck so far. I also tried copying the symbol.ttf
from windows on to the linux server and no luck either.

Any help appreciated.

Thanks,
Amit



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RE: JDK 1.4.2 fonts issue

2004-07-12 Thread Amit Kirdatt
Nevermind, I found the problem. The cron environment does not have the
LANG=en_US env. var. set. Once I set that in my script everything works like
a charm

Thanks,
Amit
 

-Original Message-
From: Amit Kirdatt 
Sent: Monday, July 12, 2004 8:57 AM
To: [EMAIL PROTECTED]
Subject: JDK 1.4.2 fonts issue


We have a web application which generates RTFs dynamically (uses jFor). One
of the RTFs contains the following symbol § (symbol for section). Now this
symbol displays correctly if we start our JBoss server from the command
line, but when it automatically starts (we have some automated scripts)
starts via crontab the symbol does not display correctly!
Now this used to work on JDK1.3, any ideas?

I have tried copying the ttf files over from the jdk1.3 fonts dir to the
jdk1.4.2 fonts dir, but no luck so far. I also tried copying the symbol.ttf
from windows on to the linux server and no luck either.

Any help appreciated.

Thanks,
Amit



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 annotations on 07/12/2004 09:54:26 AM
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