IO Error: Socket read timed out / IOP_iopinstance1_datasource" closed

Hi ,
Can somebody suggest what could be the probable cause of following errors showing up in IOP log file?
####<Aug 16, 2011 10:49:11 PM PDT> <Info> <Common> <sc-csttest> <IOPServer_iopinstance1> <weblogic.work.j2ee.J2EEWorkManager$WorkWithListener@357ac2f7> <<anonymous>> <> <0000J7MI9kZFk3vLsYw0yX1EIpFA00002K> <1313560151943> <BEA-000628> <Created "1" resources for pool "IOP_iopinstance1_datasource", out of which "1" are available and "0" are unavailable.>
####<Aug 16, 2011 10:49:12 PM PDT> <Info> <JDBC> <sc-csttest> <IOPServer_iopinstance1> <weblogic.work.j2ee.J2EEWorkManager$WorkWithListener@357ac2f7> <<anonymous>> <> <0000J7MI9kZFk3vLsYw0yX1EIpFA00002K> <1313560152146> <BEA-001128> <Connection for pool "IOP_iopinstance1_datasource" closed.>
java.sql.SQLRecoverableException: IO Error: Socket read timed out
Thanks
Lokesh

This particular error means your database is down and socket is timedout. Or the query takes so long that the reader timedout -- unlikely.
Also, the general weblogic socket write errors, which you might see sometimes means that the client got disconnected before the server wrote results back. This is harmless

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WebLogic 11g data source connection pooling failed with IO error:socket read timed out.

Hi all,
We encountered IO Error: Socket read timed out( <Received exception while creating connection for pool "DS_1": IO Error: Socket read timed out> ) during the creation of data sources in WebLogic 11g. Manual data source testing seems to indicate intermittent connection and the server seems to take a long time to start up with multiple IO errors. We increased the timeout at the database side but it does not seems to help. The database is 11g (11.2.0.3). The database services and listener are up which does not indicate that the database instance is down.

This particular error means your database is down and socket is timedout. Or the query takes so long that the reader timedout -- unlikely.
Also, the general weblogic socket write errors, which you might see sometimes means that the client got disconnected before the server wrote results back. This is harmless

JDBC pooling Oracle driver Socket read timed out

I run Java EE application on Glassfish server v3 together with Oracle 12 DB on the same machine under Windows Server 2012 64bit. I use latest ojdbc7 driver.
Connection pool config:
<jdbc-connection-pool validation-table-name="DUAL" steady-pool-size="20" statement-cache-size="100" associate-with-thread="true" statement-timeout-in-seconds="30" idle-timeout-in-seconds="60" max-wait-time-in-millis="2000" validate-atmost-once-period-in-seconds="20" datasource-classname="oracle.jdbc.pool.OracleDataSource" pool-resize-quantity="5" max-pool-size="60" res-type="javax.sql.DataSource" name="dbPool" is-connection-validation-required="true">
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<property name="password" value="xxx"></property>
<property name="portNumber" value="1521"></property>
<property name="databaseName" value="orcl"></property>
<property name="serverName" value="127.0.0.1"></property>
<property name="oracle.jdbc.ReadTimeout" value="300000"></property>
<property name="oracle.net.CONNECT_TIMEOUT" value="10000"></property>
</jdbc-connection-pool>
After 2 or 3 hours, when there is more than 1 user (3-5) using my application, it stops responding and I get this in glassfish logs
javax.enterprise.resource.resourceadapter.com.sun.enterprise.resource.allocator|_ThreadID=152;_ThreadName=Thread-2;|RAR5038:Unexpected exception while creating resource for pool dbPool. Exception : javax.resource.spi.ResourceAllocationException: Connection could not be allocated because: IO Error: Socket read timed out
Local Exception Stack:
Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.2.v20111125-r10461): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: java.sql.SQLException: Error in allocating a connection. Cause: Connection could not be allocated because: IO Error: Socket read timed out
From the database side it looks like this
Fatal NI connect error 12560, connecting to:
(LOCAL=NO)
VERSION INFORMATION:
TNS for 64-bit Windows: Version 12.1.0.1.0 - Production
Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 12.1.0.1.0 - Production
Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 12.1.0.1.0 - Production
Time: 13-JUN-2014 03:14:49
Tracing not turned on.
Tns error struct:
ns main err code: 12560
TNS-12560: TNS:protocol adapter error
ns secondary err code: 0
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
opiodr aborting process unknown ospid (3404) as a result of ORA-609
When I just reset db listener everything works ok for next 1-2 hours (depends on application load). So temporary solution is to run bat script from windows scheduler to reset the listener every 1h.
I tried everything I could find - applied these parameters:
- Sqlnet.ora:
SQLNET.INBOUND_CONNECT_TIMEOUT=180
SQLNET.EXPIRE_TIME=5
- Listener.ora:
INBOUND_CONNECT_TIMEOUT_LISTENER_IPC=120
But still without success

Is the problem here just that you need a connection pool that closes idle connections? Some pools will close idle connections after a time out period. And the pool lets you set that time out period. If the pool you are using doesn't provide that then use a different pool.

Java.sql.SQLException: Io exception: Socket read timed out

Hello,
I've a interface RFC - JDBC - RFC.
When this interface is executing, i have the follow error in RuntimeWorkbench::
'Unable to execute statement for table or stored procedure. 'TABLAERR' (Structure 'STATEMENT') due to java.sql.SQLException: Io exception: Socket read timed out'
In SXMB_MONI do not see any message, only
' <SAP:Category>XIAdapterFramework</SAP:Category>
<SAP:Code area="MESSAGE">GENERAL</SAP:Code>
<SAP:P1 />
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText>com.sap.aii.af.ra.ms.api.DeliveryException</SAP:AdditionalText>
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack />
<SAP:Retry>M</SAP:Retry> '
this error don't occurs always, when and why i don't know..
I searched for information about this error and nothing found
why it is happens?
thank very much

HI,
This is not a problem in ur mapping or configuration.
This is a problem with JDBC connection. This is a common error, that generally comes when the DB server is receiving and processing numerous records. Connection time out or socket read time out.
First try this:
In ur JDBC adapter go to Advanced Tab Page and check Transaction Isolation Level as Serializable.
If still problem persists then take help of basis guys and increase the timeout for the connection, same thing can be asked from DB team.

Java.sql.SQLException: Socket read timed out

// DbTest.java
<code>
import java.sql.*;
import java.io.*;
public class DbTest
public static void main(String args[])
System.out.println("DbTest main(-)");
Connection con = null;
try
Class.forName("oracle.jdbc.driver.OracleDriver");
System.out.println("class loaded");
con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcldb","scott","tiger");
System.out.println("con obj created");
System.out.println("con obj retrived");
if (con!=null)
System.out.println("Connection created successfully");
else
System.out.println("Connection refused");
catch (SQLException e)
e.printStackTrace();
catch(Exception e)
e.printStackTrace();
</code>
e:\JavaPrgms\JDBC>javac DbTest.java
e:\JavaPrgms\JDBC>java DbTest
DbTest main(-)
class loaded
java.sql.SQLException: Socket read timed out
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:
531)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtensio
n.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at DbTest.main(DbTest.java:17)
Caused by: oracle.net.ns.NetException: Socket read timed out
at oracle.net.ns.Packet.receive(Packet.java:320)
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:286)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
... 7 more
i am using win 7 64bit os , Oracle 11.2, Jdk 1.7 how can i resolve this problem?
Edited by: 910776 on Oct 4, 2012 10:49 AM

Your other thread got locked because all you did was post a bunch of code without explaining what your question or issue was or what the code is supposed to be doing.
java.sql.SQLException: Socket read timed out
Simply reposting in this forum isn't enough. Edit your post and and add \ tags on the line before and the line after the code to preserve the formatting.
Also explain what you are trying to do, the problem you are having and answer the questions I ask you in your other thread.
{quote}
What is it you are trying to do?
Why are you trying to connect to two different databases?
Do either of those databases actually exist?
Do they exist on the local machine that Java is running on?
Can you connect to either of them without using Java?
{quote}

Socket read timing out immediately

When does the timer for SO_TIMEOUT start? Is it when you call read on the socket? Or is it after the last packet of data is received from the remote node?
In my app, I have a socket with SO_TIMEOUT set to 2 minutes. By design, the connection is idle for a period of time longer than that, but I don't even try to read from the socket during this period. Then, I write some data to the socket and try to read a response. I would expect the 2 minute interval to start when I make the blocking call to read, but instead, I get a SocketTimeoutException right away. What's going on? Was the time that the connection was purposely idle count toward the timeout interval, even though I wasn't blocked trying to read? How can I avoid this?

I'm now officially confused.
Digging around a bit: from the Socket FAQ:
SO_{SND,RCV}TIMEO are probably the most widely
unimplemented, or strangely/incompatibly implemented, of all
common sockopts in existence... Basically, in short, NEVER
try to use them for anything... ;-)
If you want I/O timeouts, your only real option in most cases is
to roll your own, using either blocking/alarm()-based timeouts, or
non-blocking/select()-based timeouts... The latter probably being
the best choice, and least likely to cause pain (especially if you
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From the JDK source (PlainSocketImpl.c):
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 if (cmd == java_net_SocketOptions_SO_TIMEOUT) {
 return;
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The JDK source for Windows (PlainSocketImpl.c) sets SO_RCVTIMEO if the winsock library in question supports it. (Undocumented feature: timeouts of <= 5 seconds are interpreted as 0).
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Any info on this issue and its resolution will be helpful.

I doubt if this is an web service connectivity issue.
I have tested this by using
**telnet <hostname> <webservice port no>**
Is there any other issue that i have ignored ?

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Hi,
When I finished checking in an activity,I got an failed message:
Failed to execute operations.Communication error[[cause:Read timed out]] at 09:34:32.550
How to deal with it?
Regards,
Abe

Hi,
You are right. Still, if you checkin or activate something, then a build takes place. In your case this is not possible due to some kind of timeout, I wanted to see some details why.
Perhaps it also makes sense to switch on some client side tracing as well. For this. please see the note:
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Best Regards,
Ervin
Edited by: Ervin Szolke on Sep 13, 2010 12:31 PM

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Hello all,
Am getting a "Read timed out" error when I try to open the monitor tab in DataServices admin console for a few jobs only. For several jobs, monitor tab opens just fine. But for a few it doesnt and throws the error mentioned above. Mostly this behaviour is noticed with a job having several workflows and dataflows.
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check the following post
http://www.forumtopics.com/busobj/viewtopic.php?t=148213

Error: Read timed out&MESSAGE_NOT_FOUND.

Hi,
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RRB: entering RequestResponseBean
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hi,
try this,
go to Message Monitoring in RWB, delete all the messages with status system error and onhold.
it shd solve your problem
Regards,
Sukarna.chirumamilla.

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Need some suggestions on one issue below -
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Development (Success ful)
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Thanks in Advance. Points would be rewared for the best solution.
Thanks,
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HI Jitender,
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I have read your Weblog. It makes sense to me. Thanks a lot for your help! However, I still have some questions and listed them as following. Could you please help to answer them?
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1.Builder for Integration Repository
2.Builder for Integration Configuration
3.System Landscape Directory
4.Runtime Workbench
5.Administration System (for Repository, Directory, Runtime)
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For more details about my SAP-XI, please access the following Web page:
http://iccxi.sap.com:58000/rep/support/admin/index.html
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2006-06-19 05:12:16 Success The message was successfully retrieved from the request queue.
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2006-06-19 05:12:16 Success Delivering to channel: ValidationRequestHandlerServiceChannel
2006-06-19 05:12:16 Success SOAP: request message entering the adapter
2006-06-19 05:12:37 Success SOAP: call failed
2006-06-19 05:12:37 Error SOAP: error occured: java.net.ConnectException: Connection timed out: connect
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Menghua Li

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Any takers for this? Hope I have this in the right forum...
Any one listening (or reading...)???
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Hai,
I write one webservice retrieve the data from maxdb.
If the data is more than 3000 records, when i try to execute the webservice, it shows read timed out error.
How to resolve this error.
please help me.
regards,

Hi
If you are using a webservice client then you can programatically in SEI The Service Endpoint Interface .
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http://help.sap.com/saphelp_nw04/helpdata/en/04/d2c60e78814516afe7811829f02725/content.htm
hope this helps .please do not forget to reward points
regards
rajesh kr

IO Error: Socket read timed out / IOP_iopinstance1_datasource" closed

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