Strange Problem - too many Connections?
Strange Problem - too many Connections?
- Subject: Strange Problem - too many Connections?
- From: Christian Mittendorf <email@hidden>
- Date: Tue, 3 Feb 2004 17:36:59 +0100
Hello,
perhaps somebody can explain these exceptions to me. What is happening
here?
Some minutes ago I observed some strange exceptions in my application.
There were about 40 concurrent sessions active. I watchted the log
files and I found other exceptions, mainly occuring in the evening when
the traffic is high.
How many concurrent sessions are possible? Is there any limit?
I'm running 1.5.2 on Debian Linux.
Thanks for any advice ;-)
Christian
[2004-02-02 18:57:23 CET] <WorkerThread14>
<com.webobjects.appserver._private.WOComponentRequestHandler>:
Exception occurred while handling request:
com.webobjects.foundation.NSForwardException
[java.lang.StringIndexOutOfBoundsException] null
[2004-02-02 18:57:23 CET] <WorkerThread14>
com.webobjects.foundation.NSForwardException for
java.lang.StringIndexOutOfBoundsException: String index out of range:
62
at java.lang.String.charAt(String.java:460)
at
com.webobjects.appserver._CookieParser._parse(_CookieParser.java:87)
at
com.webobjects.appserver._CookieParser.parse(_CookieParser.java:173)
at
com.webobjects.appserver.WORequest._cookieDictionary(WORequest.java:
1023)
at
com.webobjects.appserver.WORequest.cookieValues(WORequest.java:1081)
at
com.webobjects.appserver.WORequest.cookieValueForKey(WORequest.java:
1060)
at
com.webobjects.appserver.WORequest._getSessionIDFromValuesOrCookie(WOReq
uest.java:1605)
at
com.webobjects.appserver.WORequest._getSessionIDFromValuesOrCookie(WOReq
uest.java:1577)
at
com.webobjects.appserver.WORequest.sessionID(WORequest.java:1549)
at
com.webobjects.appserver.WOContext._synchronizeForDistribution(WOContext
.java:484)
at
com.webobjects.appserver.WOContext._setRequest(WOContext.java:536)
at com.webobjects.appserver.WOContext.<init>(WOContext.java:114)
at
sun.reflect.GeneratedConstructorAccessor69.newInstance(Unknown Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at
com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.ja
va:575)
at
com.webobjects.appserver.WOApplication.createContextForRequest(WOApplica
tion.java:1676)
at
com.webobjects.appserver._private.WOComponentRequestHandler._handleReque
st(WOComponentRequestHandler.java:353)
at
com.webobjects.appserver._private.WOComponentRequestHandler.handleReques
t(WOComponentRequestHandler.java:432)
at
com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.jav
a:1308)
at
com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.
java:173)
at
com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java
:254)
at java.lang.Thread.run(Thread.java:536)
[2004-02-03 17:19:42 CET] <WorkerThread44>
<com.webobjects.appserver._private.WOComponentRequestHandler>:
Exception occurred while handling request:
com.webobjects.foundation.NSForwardException
[com.webobjects.jdbcadaptor.JDBCAdaptorException] null
[2004-02-03 17:19:42 CET] <WorkerThread44>
com.webobjects.foundation.NSForwardException for
com.webobjects.jdbcadaptor.JDBCAdaptorException: EvaluateExpression
failed: <com.webobjects.jdbcadaptor.MySQLPe
Next exception:SQL State:S1000 -- error code: 0 -- msg: Error
during query: Unexpected Exception:
java.lang.ArrayIndexOutOfBoundsException message given: -1
at
com.webobjects.jdbcadaptor.JDBCContext._jdbcErrorWithChannel(JDBCContext
.java:138)
at
com.webobjects.jdbcadaptor.JDBCChannel._evaluateExpression(JDBCChannel.j
ava:304)
at
com.webobjects.jdbcadaptor.JDBCChannel.evaluateExpression(JDBCChannel.ja
va:255)
at
com.webobjects.jdbcadaptor.JDBCChannel.selectAttributes(JDBCChannel.java
:185)
at
com.webobjects.eoaccess.EODatabaseChannel._selectWithFetchSpecificationE
ditingContext(EODatabaseChannel.java:879)
at
com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecific
ation(EODatabaseChannel.java:216)
at
com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecification
EditingContext(EODatabaseContext.java:3178)
at
com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(
EODatabaseContext.java:3319)
at
com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecif
ication(EOObjectStoreCoordinator.java:535)
at
com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(
EOEditingContext.java:4036)
at
com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(
EOEditingContext.java:4421)
at
com.webobjects.eoaccess.EOUtilities.objectsForEntityNamed(EOUtilities.ja
va:64)
at Statistics.<init>(Statistics.java:52)
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