Jdbc connection lost after idle time
Dear users,
i'm using the oracle 10g database. Now i found out that several programs (SQuirreL, QuantumDB,...) which use the ojdbc14 driver are losing connection to the database after about one hour idle time, but it is not set in db configuration to disconnect (eg parameter idle_time is not set). What could be the cause of this? Is this a error of jdbc (the java exception is something like socket lost) or is it a missconfiguration of the db?
Thx for help.
With a simple java program that makes a select on a database table over jdbc after one Hour idle_time this exception happens: (the program is started local on the database server so no firewall or router is between)
java.sql.SQLException: No more data to read from socket
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:208)
at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1118)
at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1070)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:478)
at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:207)
at oracle.jdbc.driver.T4CStatement.executeForDescribe(T4CStatement.java:790)
at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1039)
at oracle.jdbc.driver.T4CStatement.executeMaybeDescribe(T4CStatement.java:830)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1132)
at oracle.jdbc.driver.OracleStatement.executeQuery(OracleStatement.java:1272)
at test$1.run(test.java:24)
at test.main(test.java:55)
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Size: 9 KB (9,275 bytes)
Last Modified: 29/04/13 12:59 PM
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Anonymous UUID: CC17CCFF-11B4-4C5E-9AAF-5B6E2451277B
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0xffffff807ed4b9b0 : 0xffffff80002c4794
0xffffff807ed4bb60 : 0xffffff80002da55d
0xffffff807ed4bb80 : 0xffffff7f817355fb
0xffffff807ed4bcb0 : 0xffffff7f81734de7
0xffffff807ed4bce0 : 0xffffff7f817351bd
0xffffff807ed4bd10 : 0xffffff7f80cea832
0xffffff807ed4bd50 : 0xffffff7f817bd383
0xffffff807ed4bda0 : 0xffffff7f817bf692
0xffffff807ed4bde0 : 0xffffff7f817bf7c4
0xffffff807ed4be20 : 0xffffff7f80cee4c5
0xffffff807ed4be60 : 0xffffff7f80cee628
0xffffff807ed4be90 : 0xffffff7f80cf1fd7
0xffffff807ed4bef0 : 0xffffff800063d4d6
0xffffff807ed4bf30 : 0xffffff800063c250
0xffffff807ed4bf70 : 0xffffff800063c0f4
0xffffff807ed4bfb0 : 0xffffff8000820057
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BSD process name corresponding to current thread: kernel_task
Mac OS version:
11G63
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Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
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com.apple.security.sandbox 177.8
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.DiskImages 331.7
com.apple.iokit.IOStorageFamily 1.7.2
com.apple.driver.AppleKeyStore 28.18
com.apple.driver.AppleACPIPlatform 1.5
com.apple.iokit.IOPCIFamily 2.7
com.apple.iokit.IOACPIFamily 1.4
System Profile:
Model: MacBookPro9,2, BootROM MBP91.00D3.B08, 2 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 2.2f38
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 384 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333235533643465238432D50422020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333235533643465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (5.106.198.19.22)
Bluetooth: Version 4.0.8f17, 2 service, 11 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: TOSHIBA MK5065GSXF, 500.11 GB
Serial ATA Device: MATSHITADVD-R UJ-8A8
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0x1a110000 / 3
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0x1d180000 / 3
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x1d182000 / 6
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0252, 0x1d183000 / 5
USB Device: BRCM20702 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1d181000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821d, 0x1d181300 / 8
USB Device: composite_device, 0x413c (Dell Inc.), 0x3010, 0x14100000 / 6
USB Device: Dell USB Keyboard, 0x413c (Dell Inc.), 0x2003, 0x14200000 / 5Since Norton modifies OS X your Mac is unable to function as designed.
Kernel panics are caused by defective hardware or software. Norton is in the latter category. -
JDBC connectivity taking lots of time in throwing exception
Hi ,
We are doing JDBC connectivity in java program and its working fine, but
if the connectivity with the orale server goes down it give exception after a
long time and somtimes behave abnormally.
Please help.Hi,
if you are using the OracleDataSource and thin driver to connecto to an oracle database try to set the following property through the setConnectionProperties API
oracle.jdbc.ReadTimeout
the value is the numer of milliseconds the socket wait for reads for data from the database server.
The optimal value is application related so try with different values.
ciao,
Giovanni -
Io exception: Connection reset - after some time interval
Hi,
We are facing a problem in connection while implementing connection pooling using OracleDataSource .
Application is running with out any issue if it is called continuously.
If we call the application after some time interval, connection is being reset. We are able to get the connection instance but connection reset exception is thrown while calling callableStatement.execute().
If application called after application restart it is working fine.This issue is happening only for the first few calls made after some time interval.(after 1 hr)
After that call is proceeding without any issue.
Environment Details
Application is accessing 4 oracle databases and the versions are viz., 9.2.0.8,10.2.0.3,10.2.0.4 and 9.2.0.1.
Driver : ojdbc14.jar
App Server : tomcat
jdk version: 1.5
OracleDataSource is being used for connection pooling.
propCache.setProperty("ConnectionWaitTimeout",10); // caching parms
ods.setConnectionCachingEnabled(true);
ods.setLoginTimeout(intLoginTimeout);
propCache.setProperty("MinLimit","5");
propCache.setProperty("MaxLimit", "20");
propCache.setProperty("InitialLimit","5");
propCache.setProperty("ValidateConnection", "true");
propCache.setProperty("AbandonedConnectionTimeout", "10");
The exception details are as follows
java.sql.SQLException: Io exception: Connection reset
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)
at oracle.jdbc.driver.T4CCallableStatement.executeForRows(T4CCallableStatement.java:987)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1170)
at oracle.jdbc.driver.OracleStatement.doScrollExecuteCommon(OracleStatement.java:4043)
at oracle.jdbc.driver.OraclePreparedStatement.doScrollPstmtExecuteUpdate(OraclePreparedStatement.java:10826)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3337)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3445)
at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:4394)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:834)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Unknown Source)
Any suggestion to resolve this issue is greatly appreciated.
Thanks.Hi,
try to utilize OracleDataSource#setConnectionCacheProperties() with property InactivityTimeout equals to 1800 (30 minutes in seconds). -
Bluetooth connection lost after wakeup ( CSR - bc4 )
hi
after wakeup, my aluminium keyboard cannot connect anymore to my macbook pro. when i go to systempreferences/bluetooth i can see the bluetooth's host name is CSR - bc4 (???). when i turn bluetooth off and on again the hostname does set correctly to the name of my macbook-pro. after the restart of the bluetooth-service my keyboard works like a charm.
any suggestions?
greetings from switzerlandI am having the same problem.
If I use the new aluminium wireless keyboard (with my existing wireless mighty mouse) neither the mouse nor the keyboard reconnect to the computer on waking from sleep - it does announce that I have lost the bluetooth connection but tapping/clicking/waiting doesn't facilitate reconnection.
If I send the iMac to sleep again (using the power button - the only way I have to get any signal to my machine at this point - I haven't tried Morse Code yet) it does then recognise the peripherals on waking the second time.
I have also noticed that if I turn the mouse and keyboard off causing the "connection lost" warning and then put the machine to sleep, everything does reconnect on waking (switching them back on of course).
I have it set not to wake from sleep using bluetooth devices, so that I can tidy my mouse/keyboard away without disturbing the mac. Using my old white wireless keyboard (but the same Mighty Mouse) it works beautifully again as it always did in Tiger with only a minimal delay on waking from sleep before reconnecting automatically.
The aluminium keyboard is beautiful. But we need a fix - anyone? Is it a hardware problem? A set of dud keyboards? Has anyone found that a different aluminium wireless keyboard does work with the same setup? Or that their troublemaking keyboard does work on other machines?
S
Message was edited by: Beluga2 -
Connection lost after 2 songs have been played.
Everytime I play songs from my macbook to ATV2 it plays only 2 - 3 songs then it hangs. I just got 4 songs out of it. I have to disconnect my home share and re connect to start it again. Any ideas why this would be happening. I've browsed the forum to see that other people have this issue, but there is no answer as to what is causing it. Surely its not the router as I have a new router. ATV2 streams movies without any interruption so I dont get why it happens to songs through itunes.
netsurferdude2 wrote:
Hi all,
Lets start off with some info. I have a XP machine with a WRT310N router but the connection to the router from my computer is wired. I have other computers on the network(a wired XP work comp and a wireless vista laptop). I do have linksys Easylink Adviser but it is was to laggy and doesnt work half the time so I dont use it. My antivirus software is Panda Internet Security 2008.
My problem has only occurred twice but it has prevented me from trying to make a server again. I have been wanting to host a dedicated counter strike source server in steam for awhile.
I followed all the port forwarding directions. I get the static ip set up and I open the 27015 port for steam.
I will make a dedicated server and have a few people join and then I follow. Everything works perfectly for about 5 minutes and then my friends are dropped from the server due to loss of connection. I am still in the server but no one can join or even get info on it meaning the server is not responding.
I then close out of steam and the server and find I have lost my internet connection. I can not visit any websites, I can not do anything in steam, I cant log onto aim, xfire or anything.
Now my local connections dont say "Connection lost" like they do when the router is shut off or if I lose the actual connection.
The only way it seems I can get my connection back is by unplugging the router, waiting 20s and plugging it back in. Then I have to wait about 5 more mins and it will just all of a sudden work.
Does anyone have an idea of what is happening? Is it the router? My antivirus/firewall?
Thanks in advance
Greg
Message Edited by netsurferdude2 on 08-25-2008 09:26 PM
Hi
Try disabling the firewalls and access server side.
see if any change?
pe@c3
"What u Give , is wht u better start expecting to take back".. - http://Forsakenbliss.wordpress.com -
Authorization error in Repository after idle time
Hi all,
I have a problem in ESR where after some idle time I suddenly loose all my authorizations to perform any actions in Repository (sometimes also Directory). I'm even denied the authorization to close objects or the entire ESR altogether.
This happens after I have worked on an object, then leave it for some time (I have yet to find out the exact time). Then when I try to continue working on the object, a window pops up saying "User has no authorization".
Note that I have all necessary roles, and I can perform all the actions when I force-shut the ESR (by killing the ESR-process on OS-level) and log on again. However the objects are locked and I need to remove the lock from the Integration Builder Administration page in order to change the object. This is very annoying!
I have checked the Default Trace when this happens and found that the userID with which I am logged on has for some reason changed to J2EE_GUEST! I am guessing this is the reason I am not allowed to work on the object anymore, as J2EE_GUEST does not have the appropriate authorizations.
The Default Trace shows the following (my real user ID is in this system ERIKEN):
System exception
[EXCEPTION]
javax.ejb.EJBAccessException: Principal: Message buffer:
No messages available.
Transient data:
com.sap.security.core.persistence.imp.PrincipalDatabag Thu Feb 23 16:34:09 CET 2012
UniqueID: USER.R3_DATASOURCE.J2EE_GUEST
Type: USER
Home data source: R3_DATASOURCE
Private id part: J2EE_GUEST
Existence not checked.
"com.sap.security.core.usermanagement"|->"j_authscheme" (no time limit)="anonymous"
Persistent data:
com.sap.security.core.persistence.imp.PrincipalDatabag Thu Feb 23 16:34:09 CET 2012
UniqueID: USER.R3_DATASOURCE.J2EE_GUEST
Type: USER
Home data source: R3_DATASOURCE
Private id part: J2EE_GUEST
Principal exists.
Direct parents:
GRUP: GRUP.R3_ROLE_DS.SAP_J2EE_GUEST
GRUP.SUPER_GROUPS_DATASOURCE.EVERYONE
GRUP.SUPER_GROUPS_DATASOURCE.Anonymous Users
ROLE:
Why does this happen?
More importantly, how can I fix it?
This happens in different systems, on different releases, but this particular system is PI 7.11 - SP08. Java version is 1.6.0_29.
Appreciate any hints!
Regards,
KennethDear Kenneth
Solution in this note: 1622692 - PI ESR: No authorization for this action
Please check
Regards
Sourabh -
Wireless connection lost after macbook pro sleeps for more than 15 minutes
It's annoying. I have a brand new macbookpro 3.06Ghz 17" hi-res screen running OS-X 10.6.3 and the wireless connection keeps dropping after the computer is either turned off or sleeping for more than 15 minutes.
My router is a linksys wireless G, has dd-wrt software in it which is very powerful. When I release or renew the DHCP at the router, the mackbook connects to the wireless network, no problem.
What configuration can be done at the macbook as to not have it time-out airport wireless connections unless I renew/release DHCP at the router? This is an annoyance beyond the limits of anyone's patience.... Thanks in advance for any help!Well, since nobody answered this post I decided to try a bunch of things and I believe I came to a solution:
1 - Make airport the first connection under System Preferences->Network
2 - In the advanced window:
- Under AirPort: Keep only one network name on the list (the one you use all the time)
- Select 'remember networks this computer has joined' and deselect all other boxes
- Take note of the Airport ID (xx:xx:xx:xx:xx) and put it in your router's MAC address list. I do this because I only allow connections to my router from mac IDs that are on the list I create. In my case, I have my macbook pro and my PS3 system. If you don't know how to edit the MAC list in your router, do some research. It's pretty easy.
- Under TCP/IP: Select "Using DHCP" on the IPv4 drop box
- Select "Off" for IPV6 drop box
- Under DNS, after you connect at least once, you should see (grayed out) your router's IP address on the left box and the domain on the right side box.
Finally, under "Ethernet" you should see your Mac address there, the configure option should be set to Automatically and MTU as standard (1500).
Press OK and then press "Apply" and lock that screen by clicking on the padlock at the bottom left. BTW on the top of this screen Location should be "Automatic" - if not, select it and apply.
Done! Your wireless should connect quickly after the computer is turned on or waken up from sleep state. This assumes you configured your router correctly (mac addresses, frequencies, etc).
Good Luck to all who try this - at least I have not have any more dropped wireless connections.
Message was edited by: KEForex
Message was edited by: KEForex
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