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https://issues.apache.org/jira/browse/OFBIZ-4591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13240509#comment-13240509
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Adrian Crum commented on OFBIZ-4591:
------------------------------------
The webslinger component has been removed from the trunk, so that issue has
been resolved.
The multi-threaded component loader was the result of a conversation I had with
Adam Heath about SEDA and a multi-threaded consumer-provider design pattern. I
had proposed speeding up the loading process by making it multi-threaded: One
thread parses the XML files, while another thread does something with the
parsed results. It appears the implementation mentioned in this issue doesn't
follow that pattern (I can't be sure because I haven't looked at the code, but
the behavior seems to indicate this). I would recommend keeping the
multi-threading aspect, but change the roles/tasks of the threads - so the
webapps will get loaded consecutively.
> TLD is not loaded from CLASSPATH using Tomcat 7
> -----------------------------------------------
>
> Key: OFBIZ-4591
> URL: https://issues.apache.org/jira/browse/OFBIZ-4591
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Affects Versions: SVN trunk
> Environment: Ubntu
> Reporter: Chatree Srichart
> Priority: Critical
> Labels: 7, tld, tomcat
> Attachments: EnableJarScanner.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Hi community.
> I have a problem when I render a JSP page which is defined a taglib, for
> example:
> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
> The problem is TLD definition files are not loaded from CLASSPATH using
> Tomcat 7.
> To solve this problem we need to delete this line from CatalinaContainer.java
> file:
> standardJarScanner.setScanClassPath(false);
> because the standard jar scanner is set the default value as "true"
> After we have done above, we will get these problems.
> =========================================================
> 1. JAR files are conflicted by different webapp contexts
> =========================================================
> The ScheduledExecutorService that submit all webapp contexts does not run
> them respectively. For example:
> Context(1)
> Context(2)
> Context(3)
> A particular context will read all JAR files from CLASSPATH. The problem is,
> for example, the Context(2) will start to read all JAR files even though the
> Context(1) does not finish its task yet. So the Context (2) will not be able
> to read some JAR file that the Context(1) is reading and causes an error.
> ===========================================================
> 2. WebslingerAccessLogValve class does not support Tomcat 7
> ===========================================================
> If the jar scanner scan jar files from CLASSPATH, it will find
> WebslingerAccessLogValve class which does not support Tomcat 7
> =======================================================
> 3. groovy.jmx.builder.package-info class cannot be loaded
> =======================================================
> groovy.jmx.builder.package-info class cannot be loaded because its name is
> incorrect. If I remove this class from
> framework/base/lib/scripting/groovy-all-1.7.7.jar file, this line in
> macros.xml will cause an error:
> <taskdef name="groovyc" classname="org.codehaus.groovy.ant.Groovyc"
> classpathref="groovy.class.path"/>
> ============================
> 4. Starting time will slower
> ============================
> A particular webapp context will spend more time to parse JAR file from
> CLASSPATH to find TLD definition files.
> However I can avoid the TLD problem by copying JAR files that contain TLD
> definition files into /WEB-INF/lib directory of a particular webapp
> Lastly, I am not sure if we need this feature in the trunk but I think it is
> useful. If so, please help me to solve the problems.
> Regards,
> Chatree Srichart
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