Re: Frontbase pessimistic locking
Re: Frontbase pessimistic locking
- Subject: Re: Frontbase pessimistic locking
- From: Szántai Károly <email@hidden>
- Date: Tue, 13 Apr 2010 19:30:35 +0200
Thanks Chuck, but I don't think that this is the problem. I'm also
using this URL.
This error happens rarely (approx. every two months).
Károly
On 2010.04.13., at 18:16, Chuck Hill wrote:
Your database URL is missing the isolation and locking discipline.
It should look like this:
jdbc:FrontBase://localhost/DatabaseName/isolation=read_committed/
locking=optimistic
Chuck
On Apr 13, 2010, at 12:19 AM, Szántai Károly wrote:
Hi list!
Can somebody explain what the problem is and how to fix (or
prevent) it?
Thanks
Karoly
Exception caught, EvaluateExpression failed:
<com.webobjects.jdbcadaptor._FrontBasePlugIn$FrontbaseExpression:
"SELECT t0."NEV", t0."OID" FROM "TNET_CELCSOPORT" t0 INNER JOIN
"TNET_CIKK_CELCSOPORT" T1 ON t0."OID" = T1."OID_CELCSOPORT" INNER
JOIN "TNET_CIKK" T2 ON T1."OID_CIKK" = T2."OID" WHERE T2."OID" =
3349" withBindings: >:
Next exception:SQL State:00 subclass = " -- error code:
380 -- msg: Exception condition 380. Pessimistic locking: multiple
transaction conflict detected (deadlock).
Next exception:SQL State:40 subclass = 00 -- error code:
363 -- msg: Exception condition 363. Transaction rollback. extra
info: {CurrentComponentHierarchy = ("Main",
"hu.tactus.tnetbasecomponents.TNETKategoriaDisplayComponent",
"hu.tactus.tnetbasecomponents.TNETCikkDisplay"); user-agent =
"Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
"; CurrentComponent =
"hu.tactus.tnetbasecomponents.TNETCikkDisplay"; Headers =
{remote_host = "66.249.71.209"; server_software = "Apache/2.2.13
(Unix) mod_ssl/2.2.13 OpenSSL/0.9.7l DAV/2"; user-agent = "Mozilla/
5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)";
document_root = "/Library/WebServer/Documents/hce"; server_name = "www.healthcareedu.hu
"; accept = "*/*"; x-webobjects-adaptor-version = "Apache"; from =
"googlebot(at)googlebot.com"; host = "www.healthcareedu.hu";
remote_addr = "66.249.71.209"; x-webobjects-request-id =
"4bb06d990000004a00000002"; script_uri = "http://www.healthcareedu.hu/etieng/272
"; script_url = "/etieng/272"; x-webobjects-request-method =
"GET"; accept-encoding = "gzip,deflate"; if-modified-since = "Sat,
10 Apr 2010 12:40:10 GMT"; remote_port = "65051"; script_filename
= "/cgi-bin"; server_admin = "email@hidden"; server_port = "0";
connection = "close"; }; CurrentPage = "Main"; Bundles =
{TACAddressLogic = "3.0.0"; ERExtensions = "5.0.0.8934";
JavaWebObjects = "5.4.3"; ERJars = "5.0.0.8934"; ERJavaMail =
"5.0.0.8934"; JavaEOAccess = "5.4.3"; TACRBAC = "3.0.0";
TACExtensions = "3.0.1"; JavaJDBCAdaptor = "5.4.3";
FrontBasePlugIn = "5.0.0.8934"; TANMediaLibraryComponents =
"3.0.1"; TNETBaseComponents = "3.0.3"; TACEOPrototypes = "";
EtiEngSite = ""; JavaWOExtensions = "5.0.0.8934"; TANMediaLibrary
= "3.0.1"; JavaXML = "5.4.2"; TNETBase = "3.0.4"; JavaFoundation =
"5.4.3"; JavaEOControl = "5.4.2"; }; URL = "/cgi-bin/WebObjects/
etiengsite.woa/1/wa/oldalnev?kategorianev=272"; }Exception
condition 380. Pessimistic locking: multiple transaction conflict
detected (deadlock).at
com
.frontbase
.jdbc.FBJErrorMetaData.errorMessageAtIndex(FBJErrorMetaData.java:
162)
at
com
.frontbase
.jdbc.FBJErrorMetaData.getExceptionChain(FBJErrorMetaData.java:194)
at com.frontbase.jdbc.FBJStatement.checkMetaData(FBJStatement.java:
472)
at com.frontbase.jdbc.FBJStatement.execute(FBJStatement.java:175)
at
com
.webobjects
.jdbcadaptor
.JDBCChannel
._bindInputVariablesWithBindingsAndExecute(JDBCChannel.java:272)
at
com
.webobjects
.jdbcadaptor.JDBCChannel._evaluateExpression(JDBCChannel.java:337)
at
com
.webobjects
.jdbcadaptor.JDBCChannel.evaluateExpression(JDBCChannel.java:296)
at
com
.webobjects
.jdbcadaptor.JDBCChannel.selectAttributes(JDBCChannel.java:220)
at
com
.webobjects
.eoaccess
.EODatabaseChannel
._selectWithFetchSpecificationEditingContext
(EODatabaseChannel.java:897)
at
com
.webobjects
.eoaccess
.EODatabaseChannel
.selectObjectsWithFetchSpecification(EODatabaseChannel.java:234)
at
com
.webobjects
.eoaccess
.EODatabaseContext
._objectsWithFetchSpecificationEditingContext
(EODatabaseContext.java:3055)
at
com
.webobjects
.eoaccess
.EODatabaseContext
.objectsWithFetchSpecification(EODatabaseContext.java:3195)
at
com
.webobjects
.eocontrol
.EOObjectStoreCoordinator
.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:488)
at
com
.webobjects
.eocontrol
.EOEditingContext
.objectsWithFetchSpecification(EOEditingContext.java:4069)
at
com
.webobjects
.eoaccess
.EODatabaseContext.objectsForSourceGlobalID(EODatabaseContext.java:
4084)
at
com
.webobjects
.eocontrol
.EOObjectStoreCoordinator
.objectsForSourceGlobalID(EOObjectStoreCoordinator.java:634)
at
com
.webobjects
.eocontrol
.EOEditingContext.objectsForSourceGlobalID(EOEditingContext.java:
3923)
at
com
.webobjects
.eoaccess.EODatabaseContext._fireArrayFault(EODatabaseContext.java:
4245)
at
com
.webobjects
.eoaccess
.EOAccessArrayFaultHandler
.completeInitializationOfObject(EOAccessArrayFaultHandler.java:77)
at
com
.webobjects
.eocontrol
._EOCheapCopyMutableArray.willRead(_EOCheapCopyMutableArray.java:45)
at
com
.webobjects
.eocontrol
._EOCheapCopyMutableArray
.objectEnumerator(_EOCheapCopyMutableArray.java:115)
at
hu
.tactus
.tacextensions
.TACEOAccessUtilities
.refreshEOAndRelationships(TACEOAccessUtilities.java:151)
at
hu
.tactus
.tnetbasecomponents.TNETCikkDisplay.cikk(TNETCikkDisplay.java:65)
at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source)
at
sun
.reflect
.DelegatingMethodAccessorImpl
.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at com.webobjects.foundation.NSKeyValueCoding$ValueAccessor
$1.methodValue(NSKeyValueCoding.java:636)
at com.webobjects.foundation.NSKeyValueCoding
$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
at com.webobjects.foundation.NSKeyValueCoding
$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1324)
at
com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:
1736)
at com.webobjects.foundation.NSKeyValueCoding
$Utility.valueForKey(NSKeyValueCoding.java:447)
at com.webobjects.foundation.NSKeyValueCodingAdditions
$
DefaultImplementation
.valueForKeyPath(NSKeyValueCodingAdditions.java:216)
at
com
.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:
1804)
at
com
.webobjects
.appserver
._private
.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:
50)
at
er
.extensions
.components._private.ERXWOString.appendToResponse(ERXWOString.java:
66)
at
com
.webobjects
.appserver
._private
.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
at
com
.webobjects
.appserver
._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
at
com
.webobjects
.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
at
com
.webobjects
.appserver
._private
.WOComponentReference.appendToResponse(WOComponentReference.java:
135)
at
com
.webobjects
.appserver
._private
.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
at
er
.extensions
.components
.conditionals
.ERXWOConditional.appendChildrenToResponse(ERXWOConditional.java:
125)
at
er
.extensions
.components
.conditionals
.ERXWOConditional.appendToResponse(ERXWOConditional.java:119)
at
com
.webobjects
.appserver
._private
.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
at
com
.webobjects
.appserver
._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
at
com
.webobjects
.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
at
com
.webobjects
.appserver
._private
.WOComponentReference.appendToResponse(WOComponentReference.java:
135)
at
com
.webobjects
.appserver
._private
.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
at
com
.webobjects
.appserver
._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
at
com
.webobjects
.appserver
._private
.WOComponentContent.appendToResponse(WOComponentContent.java:51)
at
com
.webobjects
.appserver
._private
.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
at
com
.webobjects
.appserver
._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
at
com
.webobjects
.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
at
com
.webobjects
.appserver
._private
.WOComponentReference.appendToResponse(WOComponentReference.java:
135)
at
com
.webobjects
.appserver
._private
.WODynamicGroup.appendChildrenToResponse(WODynamicGroup.java:126)
at
com
.webobjects
.appserver
._private.WODynamicGroup.appendToResponse(WODynamicGroup.java:136)
at
com
.webobjects
.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
at Main.appendToResponse(Main.java:50)
at
com
.webobjects
.appserver.WOComponent._appendPageToResponse(WOComponent.java:1574)
at
com
.webobjects
.appserver.WOComponent._generateResponseInContext(WOComponent.java:
1543)
at
com
.webobjects
.appserver.WOComponent.generateResponse(WOComponent.java:1538)
at
com
.webobjects
.appserver
._private
.WOActionRequestHandler._handleRequest(WOActionRequestHandler.java:
278)
at
com
.webobjects
.appserver
._private
.WOActionRequestHandler.handleRequest(WOActionRequestHandler.java:
158)
at
er
.extensions
.appserver
.ERXDirectActionRequestHandler
.handleRequest(ERXDirectActionRequestHandler.java:123)
at
com
.webobjects
.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
at
er
.extensions
.appserver
.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1737)
at
er
.extensions
.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1702)
at
com
.webobjects
.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
at
com
.webobjects
.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
at java.lang.Thread.run(Thread.java:613)
Exception condition 363. Transaction rollback.
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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