Hi, In the process of migrating an application from Tomcat 5.0.28 to Tomcat 6.0.18, I've identified a different behavior in processing jar files between the two versions. I've attached a small test application (testapp.war) that can be run under both versions to display the differences. I've also included the appropriate lines from the log files of the two versions below.
Essentially, when running my Java code which calls method getResource(String name) of class Class to find a resource that is part of a jar file, Tomcat 5.0.28 finds the jar file in the classpath and expands it in directory jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader. And then I can access the resource in the expanded jar file by calling the getPath() method on the instance of the URL class returned by the getResource(String name) method. However, when running the same code with Tomcat 6.0.18, Tomcat finds the resource in the jar file, but it does not expand the jar file under the apache-tomcat-6.0.18/work/Catalina/localhost directory tree and therefore, I cannot access the resource from the jar file. I've checked the Servlet Specification Version 2.4 (Tomcat 5) and Version 2.5 (Tomcat 6) to see if this should be the expected behavior under Tomcat 6, but as far as I can tell, it should process jar files in the same was as Tomcat 5. If anyone can let me know what the correct behavior should be for Tomcat 6, and if there is a way that I can force Tomcat 6 to process jar files in the same way as Tomcat 5, I would greatly appreciate it. Thanks, Pat Tomcat 5.0.28: ------------- ~/opt/jakarta-tomcat-5.0.28/logs % cat ~/opt/jakarta-tomcat-5.0.28/logs/catalina.out | fgrep StartupServlet 2009-05-22_11:56 StartupServlet_init - Initializing servlet StartupServlet 2009-05-22_11:56 StartupServlet_init - url = file:/usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns/ 2009-05-22_11:56 StartupServlet_init - url.getPath() = /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns/ 2009-05-22_11:56 StartupServlet_init - url.getFile() = /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns/ 2009-05-22_11:56 StartupServlet_init - url.getProtocol() = file 2009-05-22_11:56 StartupServlet_processPath - pathName = /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns/ 2009-05-22_11:56 StartupServlet_processPath - fileName = queryDefns 2009-05-22_11:56 StartupServlet_processPath - File queryDefns exists. 2009-05-22_11:56 StartupServlet_processPath - pathName = /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns/describeRawTables.xml 2009-05-22_11:56 StartupServlet_processPath - fileName = describeRawTables.xml 2009-05-22_11:56 StartupServlet_processPath - File describeRawTables.xml exists. 2009-05-22_11:56 StartupServlet_processFile - File describeRawTables.xml is a file. ~/opt/jakarta-tomcat-5.0.28/logs % ~/opt/jakarta-tomcat-5.0.28/logs % ~/opt/jakarta-tomcat-5.0.28/logs % find /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/tldCache.ser /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/META-INF /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/META-INF/MANIFEST.MF /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns /usr/nlm/kss/opt/jakarta-tomcat-5.0.28/work/Catalina/localhost/testapp/loader/queryDefns/describeRawTables.xml ~/opt/jakarta-tomcat-5.0.28/logs % Tomcat 6.0.18: ------------- ~/apps/apache-tomcat-6.0.18/logs % cat ~/apps/apache-tomcat-6.0.18/log/catalina.out | fgrep StartupServlet 2009-05-22_12:27 StartupServlet_init - Initializing servlet StartupServlet 2009-05-22_12:27 StartupServlet_init - url = jar:file:/usr/nlm/kss/apps/apache-tomcat-6.0.18/webapps/testapp/WEB-INF/lib/sample.jar!/queryDefns 2009-05-22_12:27 StartupServlet_init - url.getPath() = file:/usr/nlm/kss/apps/apache-tomcat-6.0.18/webapps/testapp/WEB-INF/lib/sample.jar!/queryDefns 2009-05-22_12:27 StartupServlet_init - url.getFile() = file:/usr/nlm/kss/apps/apache-tomcat-6.0.18/webapps/testapp/WEB-INF/lib/sample.jar!/queryDefns 2009-05-22_12:27 StartupServlet_init - url.getProtocol() = jar 2009-05-22_12:27 StartupServlet_processPath - pathName = file:/usr/nlm/kss/apps/apache-tomcat-6.0.18/webapps/testapp/WEB-INF/lib/sample.jar!/queryDefns 2009-05-22_12:27 StartupServlet_processPath - fileName = queryDefns 2009-05-22_12:27 StartupServlet_processPath - File queryDefns DOES NOT exist. ~/apps/apache-tomcat-6.0.18/logs % ~/apps/apache-tomcat-6.0.18/logs % ~/apps/apache-tomcat-6.0.18/logs % find ../work/ ../work/ ../work/Catalina ../work/Catalina/localhost ../work/Catalina/localhost/UMLS08AB ../work/Catalina/localhost/UMLS08AB/SESSIONS.ser ../work/Catalina/localhost/manager ../work/Catalina/localhost/manager/org ../work/Catalina/localhost/manager/org/apache ../work/Catalina/localhost/manager/org/apache/jsp ../work/Catalina/localhost/manager/org/apache/jsp/_401_jsp.java ../work/Catalina/localhost/manager/org/apache/jsp/_401_jsp.class ../work/Catalina/localhost/manager/SESSIONS.ser ../work/Catalina/localhost/host-manager ../work/Catalina/localhost/host-manager/SESSIONS.ser ../work/Catalina/localhost/RegService ../work/Catalina/localhost/RegService/SESSIONS.ser ../work/Catalina/localhost/testapp ~/apps/apache-tomcat-6.0.18/logs % Patricia T. Guimaraes NIH/NLM/OCCS/MLB SCI Contractor E-mail: pguimar...@nlm.nih.gov Phone: 301-496-3615 Building 38A, Room 2N-218
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