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From "Ashish Jain (JIRA)" <j...@apache.org>
Subject [jira] Created: (GERONIMO-5683) Thread safety for needScanJar(), scanJar(), and scannedJars.add() in GeronimoTldLocationsCache
Date Wed, 10 Nov 2010 12:29:13 GMT
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
             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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