Thread safety for needScanJar(), scanJar(), and scannedJars.add() in
GeronimoTldLocationsCache
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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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