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From "Ashish Jain (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (GERONIMO-5683) Thread safety for needScanJar(), scanJar(), and scannedJars.add() in GeronimoTldLocationsCache
Date Wed, 10 Nov 2010 16:56:13 GMT

     [ https://issues.apache.org/jira/browse/GERONIMO-5683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashish Jain reassigned GERONIMO-5683:
-------------------------------------

    Assignee: Ashish Jain

> Thread safety for needScanJar(), scanJar(), and scannedJars.add()  in GeronimoTldLocationsCache
> -----------------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-5683
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-5683
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>    Affects Versions: 2.1.6, 2.2.1, 3.0-M1
>         Environment: geronimo tomcat assembly 2.1.7
>            Reporter: Ashish Jain
>            Assignee: Ashish Jain
>             Fix For: 2.1.7, 2.2.2, 3.0
>
>
> The following error is encountered under heavy load when there are multiple threads accessing
"GeronimoTldLocationsCache.scanJars".
> java.lang.ArrayIndexOutOfBoundsException                                
>  at java.util.ArrayList.ensureCapacity(ArrayList.java:196)              
>  at java.util.ArrayList.add(ArrayList.java:377)                         
>  at org.apache.geronimo.jasper.GeronimoTldLocationsCache.scanJars       
> (GeronimoTldLocationsCache.java:479)                                    
>  at org.apache.geronimo.jasper.GeronimoTldLocationsCache.scanJars       
> (GeronimoTldLocationsCache.java:457)                                    
>  at org.apache.geronimo.jasper.GeronimoTldLocationsCache.scanJars       
> (GeronimoTldLocationsCache.java:457)                                    
>  at org.apache.geronimo.jasper.GeronimoTldLocationsCache.init           
> (GeronimoTldLocationsCache.java:218)                                    
>  at org.apache.geronimo.jasper.GeronimoTldLocationsCache.getLocation    
> (GeronimoTldLocationsCache.java:209)                                    
>  at org.apache.jasper.JspCompilationContext.getTldLocation              
> (JspCompilationContext.java:550)                                        
>  at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java: 
> 430)                                                                    

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