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Subject: DO NOT REPLY [Bug 53081] New: WebappClassLoader causes
 java.lang.OutOfMemoryError in findResourceInternal()
Date: Fri, 13 Apr 2012 21:46:53 +0000
Message-ID: <bug-53081-78@https.issues.apache.org/bugzilla/>
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https://issues.apache.org/bugzilla/show_bug.cgi?id=53081

             Bug #: 53081
           Summary: WebappClassLoader causes java.lang.OutOfMemoryError in
                    findResourceInternal()
           Product: Tomcat 7
           Version: 7.0.26
          Platform: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: dma_k@mail.ru
    Classification: Unclassified


When examining the code of WebappClassLoader#findResourceInternal()
(http://grepcode.com/file/repo1.maven.org/maven2/org.apache.tomcat/tomcat-catalina/7.0.26/org/apache/catalina/loader/WebappClassLoader.java#3098)
I came to the conclusion that findResourceInternal() always loads the binary
content of the resource, however binary content is only used in e.g.
findClassInternal() and obviously not needed in findResource(). In certain
cases this can cause OutOfMemoryError, for example when a big media file is
packaged with application.

The example of stack trace is given here:
http://stackoverflow.com/questions/10100480

Solution: the binary content should be loaded for certain types of resources
(.classpath or .properties [only if fileNeedConvert is true]).

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