Trying to insert a Large CLOB : connection reset by peer

I am Trying to insert a Large CLOB .. i get this error message
java.sql.SQLException: Io exception: connection reset by peer
I am using a prepared statement to insert a Clob. It works fine with small data.
Thanks for your help in advance.

It might help if you gave more information - this probably depends on your database and driver, so giving info on them will help.

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HT5313 I have been trying for weeks to download update 10.7.5 and cannot do so. I do get a message at the end - "connection reset by peer". Can anyone shed any light on why I cannot download this update and what the message may mean? Thanks.

I have been trying for weeks to download update 10.7.5 and cannot do so. I do get a message at the end - "connection reset by peer". Can anyone shed any light on why I cannot download this update and what the message may mean? Thanks.

Take a look at this discussion and the ones listed under "more like this" in the right column:
https://discussions.apple.com/thread/4166820?start=0&tstart=0

Connection reset by peer when trying to update to OSX server 3.01 on 10.9

connection reset by peer when trying to update to OSX server 3.01 on 10.9. PLease help

Assuming your network is working for other activities, and it's just the Mac App Store that's failing...
Try restarting the download within the Mac App Store.
Failing that, restart Mac App Store and try restarting the download again.
Then failing all that, I'd close Mac App Store, reboot the system, and open and try the Mac App Store download again.
Here are some details on the Mac App Store (including how to cancel and restart downloads), and here are the App Store Troubleshooting suggestions from Apple.

IOException: Connection reset by peer: JVM_recv in socket input stream read

hi
I encountered a problem : a program throw out an exception:java.io.IOException: Io exception:
Connection reset by peer: JVM_recv in socket input stream read.
I tried my best to resolve it ,but unfortunately,i didn't know what caused the exception.
the following is my application environment:
I have two PC(Win2000os),one is a server which installed oracle9.2.0.2 and jdeveloper9.0.3,the another is a
client which only intalled jdeveloper9.0.3.Two days ago,i performed a web application on my client with
jdeveloper,and it includes some JSP and a javabean files.JSP Page finished uploading client xml file to a
folder on server and the javabean finished loading the xml file into a xmltype column.I can make sure the
connection is established and the javabean is OK,beacause my some jsp page can successfully use
<jsp:usebean> tag and use the javabean's some other public interfaces,except the interface that finishs
loading the xml file into a xmltype(clob) column.
Then i do many tests!I changed the javabean to a java class incluse a main method beacause it is easy to
debug.Finally i found the following code caused the exception:
public CLOB writetoClob( CLOB clob, InputStream is )throws SQLException, IOException {
InputStreamReader reader = new InputStreamReader( is );
Writer writer = clob.getCharacterOutputStream( );
char[] buffer = new char[clob.getChunkSize( )];
int charsRead;
for ( charsRead = reader.read( buffer ); charsRead > -1;charsRead = reader.read( buffer ) ) {
writer.write( buffer, 0, charsRead );
writer.close();
return clob;
when it runs to writer.close(),the exception is caused!
Then i copy the java class to the server,it runs ok!
That is to say ,the same code,the different result!
But when i run my web application on server with jdeveloper Embedded OC4J Server and a jsp page loaded javabean
and run to mentioned code ,the same exception occured!
I checked the application log in event viewer,the descriptions was:
The data buffer created for the "AppleTalk" service in the "C:\WINNT\system32\atkctrs.dll" library is not
aligned on an 8-byte boundary. This may cause problems for applications that are trying to read the
performance data buffer. Contact the manufacturer of this library or service to have this problem corrected or
to get a newer version of this library.
I search some some resolution about this exception with web and someone sayed :
This basically means that a network error occurred while the client was receiving data from the server. But
what is really happening is that the server actually accepts the connection, processes the request, and sends a
reply to the client. However, when the server closes the socket, the client believes that the connection has
been terminated abnormally because the socket implementation sends a TCP reset segment telling the client to
throw away the data and report an error.
Sometimes, this problem is caused by not properly closing the input/output streams and the socket connection.
Make sure you close the input/output streams and socket connection properly. If everything is closed properly,
however, and the problem persists, you can work around it by adding Thread.sleep(1000) before closing the
streams and the socket. This technique, however, is not reliable and may not work on all systems.
In general,the following information is conclution:
Web application runs error both on client and on server.
If it was changed to a client java class,it only run ok on server!
i have done anything that i can do now,i feel depressed very much!
how can i resolve the problem!
Any a little help will be appreciated!
regards!
Thanks
Jiawei ZHAO

How can i solve the problem.
Thanks in advance!
Jiawei Zhao

Socket read error: connection reset by peer

Hi.
Has anybody experienced the error message �Socket read error: connection reset by peer�
Please see below for detailed information.
Appreciate your help
Regards
RT
Enviroment specification
Server: HP/UX 11.00 64-bit, Oracle RDBMS 8.1.6.0.0 64-bit
2 firewalls between client and db.
Client:
Win 2000,
SP3,
Oracle Client 8.1.7.0.0 ,JDBC OCI (thin JDBC driver,class12.zip)
JDK 1.3
JRUN3.0
The TCP protocol is being used in the communication
Error messages
Web Users receive: Socket read error: connection reset by peer
Trace files on the sever: Read unexpected EOF ERROR on 18.
Explanation: The error in the server sqlnet trace file, suggests that a client connection has terminated abnormally, i.e. client machine powered off, a cable removed or a network connection aborted without warning. No user has complained of such a problem and there is no client trace with an error.
The problem
The users of the java web application, experiencing an exception almost once or twice a day.
The JRUN web-server reports broken connections to the db and client are receiving "connection reset by peer".
At the moment when the errors occurs the users just have to wait a while(2-10 min) and then they can use the web application again.(no action is taken)
This problem can not be reproduced. The problem happens only occasionally when the network is under heavy load and new DB connection is being created.
The application
The java web-application uses a customized connection pooling against the database. This pool is shared among all the users of the website. whenever a user process needs to fetch data from the database, a free connection from this pool is allocated. The application is testing if the connection is valid before making a transaction (select '1' from dual). When the error occurs a ORA-3113 end-of-file on communication channel is returned to the application.
The path between the client and db involves at least two firewalls. The firewalls are opened for sql*net traffic. The network group can tell that enquiries from the app.server is not getting feedback from the db. They have not however, identified if the enquiries are reaching the db-srever, or if they are stopped earlier in the network.
Around 1000 users, are using other applications which uses dedicated sqlnet connections against the db and they have not experienced any problems.
Issues considered
Connection pooling
It is a customized connection pooling, developed by Lindorff developers.
I have read through the source code for the connection pooling and it does the job as it should, and in case of bad connection, it tries to create a new connection.
The log file shows that the call to the method DriverManager.getConnection() hangs until the server goes down, which is probably because of the fact that the method DriverManager.setLoginTimeout(), does not take effect and timeout value is Zero. ( According to oracle , Oracle JDBC does not support login timeouts and calling the static DriverManager.setLoginTimeout() method will have no effect).
Firewall
One thing to consider is when the firewall may decide to shut down the socket due to long inactivity of a connection. This will cause problems to JDBC Connection Pool because the pool is not aware of this disconnection at the TCP/IP level; until someone checks out the connection from the pool and tries to use it. The user will get a Socket read error: connection reset by peer.
Jrun timeout paramter is less than the firewall�s timeout so the firewall will not close a connection before Jrun does.
Number of processes the DB can handle
Processes parameter is 1300, , they have not experienced the Oracle error msg �max # of processes reached�.
Port redirection through a firewall:
Since the firewall has a sql net proxy Port redirection through a firewall is not a problem. Problems with port redirection only appear at connect time, but in this situation the connections fail long after the connection is established.
The network group
The network people who investigaged the problem at Lindorff report that there are a significant amount of "dropped packages" between the database server and the jdbc client (web-application) 24 hrs. The reason for this is "unknown established TCP packet" which means that the firewall does not consider these packages to be part of an already established session. The network group believes this happen because one of the hosts send a RESET or FIN signal which the firewall have noticed but are not received by the other host.
It seems like the firewall are dropping packages bacause of "Unknown
established TCP packet" from both the JDBC client and the TNSLISTENER on the database server. The dropped packages are SQL*Net v2 traffic so clearly Oracle products are involved

Presumably something is working.
Thus the problem is not with your code. At least not the database part that you have control over.
That error occurs when the other side closes the socket. Presumably you are catching lost connection exceptions and trying to restore it.

SSL: Connection reset by peer ; Failed to enable crypto error while calling the report using bing API with SOAP client

Hi,
I am trying to fetch report using bing API and making a SOAP call for fetching the data. I get the following error:
[Warning] fopen(): SSL: Connection reset by peer [file] /var/www/sites/psmedia/perfectstormmedia/tools/class/msn_api.class.php [line] 780
02-04-2015 10:17:41 (BST) : [Warning] fopen(): Failed to enable crypto [file] /var/www/sites/psmedia/perfectstormmedia/tools/class/msn_api.class.php [line] 780
02-04-2015 10:17:41 (BST) : [Warning] fopen(https://download.api.bingads.microsoft.com/ReportDownload/Download.aspx?q=rzr63XFt5qJduddohoIRyOYAP%2f1%2ftsnhk8L%2bzBmUpdU2CQlcUB98RpY%2bbOaLFFGMqAC4IUUadC%2fNdNnJqeVCY%2f%2bpy6noVsVA%2fMJp47a3Xb1VjABfKhcdKy6vqpgEdcQg%2fQZ7QcEpZ3bEloJjUtGpDquFk53BnkeHEPVWZkDYcsQegRz%2fpG4t4w6gKCCRmhArd6osr6ZU9CMJ3lbxtGXjcQEMPvP2apNyr9P%2fc8niyfWA2aBcm1aEmOLX2KL3aRJ4rz9N7gG7uBslVZH%2b4rUjHdB7CMkbb%2fHyHwvPTqGPbPCHnicefr%2b%2fDP70hlkBEGfyOOswK67%2bl1zh7CyIv%2bcMlaDsuDX1HeFf4uORfD41H1z7):
failed to open stream: operation failed [file] /var/www/sites/psmedia/perfectstormmedia/tools/class/msn_api.class.php [line] 780
Whenever I execute my script. Can you please let me know what we can do to solve this issue. The version of PHP we are using is 5.3.3 with open ssl.

Hi Shobha,
I can't confirm what version of PHP you are using, but to err on the side of caution please use the version specified in the sample/SDK:
PHP 5.4.14 has been installed from PHP.
Here is our code examples:
https://msdn.microsoft.com/en-US/library/bing-ads-overview-getting-started-php-with-web-services.aspx
Thanks,
Itai

Connection reset py peer

When I try to connect to Itunes Store on my iphone, I get a message back saying "Cannot connect to Itunes Store. Connection reset by peer. How can I resolve this?

Hi Roen,
Maybe I'm pointing you into the wrong direction, on forehand my apologies for that.
What I need you should check: Ironport has a limit on the number of concurrent TLS session. Your problem might occur when this limit is reached and an additional host tries to setup a TLS connection.
(Not sure, just a shot in the dark)
Good luck with this problem,
Best Regards,
Steven

Io exception: Connection reset by peer: JVM_recv in socket input stream read

We are developing a new J2EE app using JDev, OC4J, servlets, and EJBs. We have determined that our firewall is closing database connections that have been idle for 1 hour. This is a security requirement that cannot be changed. When we try to use these idle connections in both stateless and entity beans, we consistently receive this or a similar error message:
"ServletSACategoryList: Error invoking EJB procedure. Exception: java.sql.SQLException: StatelessSysAdminBean::getCategoryList - Io exception: Connection reset by peer: JVM_recv in socket input stream read "
Environment:
Oracle 9iAS 9.0.2.0.0
Database: Oracle 8.1.7
JDBC 8.1.7
JDK 1.3
JDev 9.0.2.829
We are using the ejb-location attribute within data-sources.xml for JNDI lookup of the DataSource. Here is what this file looks like:
<data-sources>
<data-source
class="oracle.jdbc.pool.OracleDataSource"
name="jdbc/OracleDS"
location="jdbc/OracleCoreDS"
xa-location="jdbc/xa/OracleXADS"
ejb-location="jdbc/OraclePoolDS"
url="jdbc:oracle:thin:@###.###.#.###:1521:dev1"
connection-driver="oracle.jdbc.driver.OracleDriver"
username="????????"
password="????????"
max-connections="4"
wait-timeout="20"
min-connections="1"
inactivity-timeout="60"
connection-retry-interval="1"
max-connect-attempts="3"
/>
</data-sources>
After calling getConnection() on the Connection object in my stateless bean, I have tried checking if the Connection object is null or isClosed(), I have caught any Exception, and looped to try again, but nothing has worked.
Please respond to [email protected] or directly to this post if you can help in any way.
Thank you,
- Rob

Hi Robert,
If you don't mind, I can only offer a few suggestions for things
to try -- I'm afraid I don't have a solution for you. Of-course,
you may have already tried these things, so please excuse me if
this is the case.
Firstly, your "data-sources.xml" file looks "different". Have
you read the "Data Sources" chapter of the "Oracle9iAS Containers
for J2EE Services Guide, Release 2 (9.0.2)"? It is accessible
from here:
http://otn.oracle.com/docs/products/ias/doc_library/90200doc_otn/web.902/a95879/ds.htm#1004903
Also, have you tried running OC4J in "debug" mode? This web
page has more details:
http://kb.atlassian.com/content/atlassian/howto/orionproperties.jsp
I get the impression from the information you have supplied,
that you may not be explicitly closing your database connections
in your code. It looks to me like you are obtaining a database
connection in your session bean, and then keeping it for the
lifetime of that bean. Is that correct? I think it's better
to obtain a connection when you need to interact with the database,
and then close the connection immediately after completing the
interaction with the database (but that's just my opinion).
Lastly, if you haven't already discovered them, these web sites
may also be of help:
http://www.orionserver.com
http://www.orionsupport.com
http://www.elephantwalker.com
Hope this helps you.
Good Luck,
Avi.

Netscape Error: Connection reset by peer

          I am running a JSP application on weblogic and when I view in Netscape 4.08 on
          W2K I am getting an error saying Netscape Error:Connection reset by peer. Anyone
          else see same error. Any fixes?


do u see this on the 5.1 line ?
          Netscape needs a content-length for every response that comes in, and in case the
          response is larger than the buffer size, the content-length isnt set and netscape
          keeps hovering even after getting all the data.
          When it sees that the connection has been closed from the other side, it thinks that
          the connection has been reset. (even after the server sends it a Connection: Close
          header)
          solns can be summed up as:
          1. call response.setContentLength whereever possible
          2. increase the buffersize of jsps (there might be an upperlimit though)
          3. move to another version of netscape (atleast > 4.7 ) on win2k
          let me know how the workarounds are
          thanks
          Nagesh
          Mettu Kumar wrote:
          > which version of wls are u using and what sp's?
          >
          > Kumar.
          >
          > Kyle Donovan wrote:
          >
          > > I am running a JSP application on weblogic and when I view in Netscape 4.08 on
          > > W2K I am getting an error saying Netscape Error:Connection reset by peer. Anyone
          > > else see same error. Any fixes?

How to avoid a SocketException: Connection reset by peer

Hi,
My problem sounds very simple at first, but I couldn't figure out how to get out of it. It's tricky.
A have a JSP page which makes some processing and yields output to the user. Everything runs OK, until the user decide to stop the window (or to close the window) before the results render to the browser. When the next browser tries to load this page, the right page is loaded, but before it, the error garbage (error page, stack trace) from the previous user is showed in the browser...the exception is SocketException: Connection Reset by Peer.
As I could see in the error log for the web server, the server flushes the page to the client browser, but the browser closed the HTTP connection, then this error is returned. That's OK, but this error output that was not sent appears to be "stored" somewhere in the server, and then is sent to the next client that requests the page. I tried to clear the buffer with out.clearBuffer() in the beginning of the page, but it didn't work.
The solution would simply be to ignore this error output, i.e., to clean the output before the next user try to load the page. but I don't know how to do that.
Sorry about the long posting, I hope I was clear in my explanation. I am using Websphere Studio Testing Web Server...and this situation happens on any browser (the problem seems to be in the server).
Thanks in advance,
Tiago.

try using out.flush() in your code, use finalize ??
out.flush();
out.close();
all the best !

Always suffer "connection reset by peer" while performing software update

Hi all,
I just bought a brand new macbook air. The first thing I do for this laptop is to perform the software update. It suffered me for a long time that I always encounter the error message
"Connection reset by peer The Installer package has been moved to the Trash. To try again, open the package from the Finder"
For some update that the file larger than 10Mbytes, the error is very easy to occur. I will be ever lucky that I could download the update package for larger update file.
I can make sure that my network to wireless route is well as I could download 500Mbytes file manually from internet without any problem. Actually, I had downloaded the mac X OS 10.5.4 package manually and upgrade the system from 10.5.2 to 10.5.4 as it is almost impossible for me use "software update" to download about 500Mbytes without "connection reset by peer" problem.
Any input is appreciate.
Thanks.

I have the exact same problem , can any one please help with this
Thanks

JSP Exception: connection reset by peer

ervlet.jsp.JspException: Can't write string 'Asset Library' : Connection reset by peer.
at org.apache.struts.taglib.tiles.InsertTag$DirectStringHandler.doEndTag()I(InsertTag.java:1026)
at org.apache.struts.taglib.tiles.InsertTag.doEndTag()I(InsertTag.java:473)
at jsp_servlet._pages._common._layouts.__mainlayout._jspService(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(__mainlayout.java:325)
at weblogic.servlet.jsp.JspBase.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run()Ljava.lang.Object;(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Lweblogic.servlet.internal.FilterChainImpl;)V(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ServletStubImpl.java:315)
at weblogic.servlet.internal.RequestDispatcherImpl.forward(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(RequestDispatcherImpl.java:322)
at org.apache.struts.action.RequestProcessor.doForward(Ljava.lang.String;Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(RequestProcessor.java:1069)
at org.apache.struts.tiles.TilesRequestProcessor.doForward(Ljava.lang.String;Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(TilesRequestProcessor.java:274)
at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(Ljava.lang.String;ZLjavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)Z(TilesRequestProcessor.java:2
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Lorg.apache.struts.config.ForwardConfig;)V(TilesRequ
at org.apache.struts.action.RequestProcessor.process(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(RequestProcessor.java:279)
at org.apache.struts.action.ActionServlet.process(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run()Ljava.lang.Object;(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Lweblogic.servlet.internal.FilterChainImpl;)V(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;)V(ServletStubImpl.java:315)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run()Ljava.lang.Object;(WebAppServletContext.java:6718)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Lweblogic.security.subject.AbstractSubject;Ljava.security.PrivilegedAction;)Ljava.lang.Object;(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Lweblogic.security.acl.internal.AuthenticatedSubject;Lweblogic.security.acl.internal.AuthenticatedSubject;Ljava.security.PrivilegedAction;)Ljava.lang.
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(Lweblogic.servlet.internal.ServletRequestImpl;Lweblogic.servlet.internal.ServletResponseImpl;)V(WebAppServletContext.java:3764)
at weblogic.servlet.internal.ServletRequestImpl.execute(Lweblogic.kernel.ExecuteThread;)V(ServletRequestImpl.java:2644)
at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest;)V(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178)
at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread;)V(Unknown Source)
When I find the data it's giving result alon with the above exception.
Can any one help?

maybe put in abit of effort and tell the forum what you are trying and what is casuing this error, furthermore put in a little bit more effort and read the text behind the Formatting Tips url provided above the textarea you used to paste your stacktrace in.

Broken Pipe/Connection Reset By Peer IO Exceptions

Can someone explain what causes a connection reset by peer exception vs.
          a Broken Pipe IO exception? I realize they are generally caused by
          someone hitting stop, closing their browser, hitting a different link,
          etc.. but I was trying to understand what might cause a connection
          reset by peer exception vs. a broken pipe exception. I've added code to
          my servlet to suppress the "Connection Reset By Peer" socket exceptions
          but I'm wondering if I should do the same with Broken Pipe. Also, are
          there are other types of similar exceptions that can occur when users
          get impatient.. Thanks
          Kirk


I do not have an idea about your application server but i do know how i solved it in weblogic. Just see whether this is helpful to you.
Points to be sure of........
1) Make sure that when ever you request a connection from a pool, after you are done with it return it. If you are not returning it and trying to use that reference again, this problem will occur.
2) Look at the capabilities of your app server. Set the connection pool such that
a) All the connections are checked at regular interval with some default select statement from any table in the database.
b) Connections are check when the connection is checked out and returned to the pool.
I the connection object is not ready , close it and create a new one. The app server which manages the pool should implement these feature so that when you get the connection - its the tested and working object.
If your app server does not support - then think of ways you testing it before you using it(Anyway this is not the good solution).

Connection reset by peer:/Broken pipe using JTurbo JDBC Driver

I am using the JTurbo JDBC driver to connect to a SQL Server 7.0 database. I am using Connection Pooling. After roughly an hour or so, I am no longer to get connections from the pool. Exceptions thrown are "connection reset by peer", followed by "Broken pipe" exceptions on every subsequent getConnection call.
Has anyone found a successfull resolution to this problem using the JTurbo JDBC driver for SQL Server 7.0? I have tried the "autoReconnection=true" option on the URL string for the driver, but this has had no effect.
I am running the Resin app server, version 1.2.7, on Solaris 8 and connecting to a SQL Server database running on NT 4.0. The JVM on Solaris where the servlet is running is 1.3.1.
Any help is greatly appreciated!
Mark Crouch
Lead Developer
accessKent

I do not have an idea about your application server but i do know how i solved it in weblogic. Just see whether this is helpful to you.
Points to be sure of........
1) Make sure that when ever you request a connection from a pool, after you are done with it return it. If you are not returning it and trying to use that reference again, this problem will occur.
2) Look at the capabilities of your app server. Set the connection pool such that
a) All the connections are checked at regular interval with some default select statement from any table in the database.
b) Connections are check when the connection is checked out and returned to the pool.
I the connection object is not ready , close it and create a new one. The app server which manages the pool should implement these feature so that when you get the connection - its the tested and working object.
If your app server does not support - then think of ways you testing it before you using it(Anyway this is not the good solution).

Connection Reset by Peer Error

I was working on an application at work and migrated the code and database to my machine at home so I can work on it there as well.
It works fine on my work machine but when I run it at home it consistantly fails on the database connection statement with a "Connection Reset by Peer". I can connect to the database fine using the oracle tools so I know the database is up. I thought it was my firewall but I turned that off and the problem remains. I'm using the latest JDeveloper and an oracle 9i database and tried various JDBC drivers (classes12.zip..which is what I'm using at work, classes12.jar, and the newest drivers from the Javasoft site.) I also set it up using the forte IDE (thinking it may be a JDeveloper setting) but that didn't do it either.
Any clues why this might be happening? I've been searching the internet for some insight but to no avail.
Thanks
Wendy

Check the database's alert log. Are you using database links? Look into that.
AS 9.0.2.3 is antique. It should have broken down already much earlier. Please move to a more stable version as soon as you can. You will not regret it.

Trying to insert a Large CLOB : connection reset by peer

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