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https://issues.jboss.org/browse/WFLY-10411?page=com.atlassian.jira.plugin...
]
Tomas Hofman commented on WFLY-10411:
-------------------------------------
I sent an email to taglibs-user(a)tomcat.apache.org list to discuss this, and here's
Jeremy Boynes' answer:
{quote}
This may be better addressed to user(a)t.a.o as this really relates to the Jasper JSP engine
rather than the taglib itself. Having said that, here’s how I read the spec.
JSP 7.3.3 talks about a “taglib map” using elements in the deployment descriptor per your
example. Per JSP 7.3.2 the URI is mapped to a _context relative path_ interpreted relative
to the root of the web application. Resources contained in a web fragment jar are located
in its /META-INF/resources directory. Tomcat/Jasper are synthesizing the effective web
application from the resources in the fragments, then resolving the URI in the taglib map
against that merged application. I think that’s a correct interpretation of the spec.
JSP 7.3.1 refers to implicit map entries found by scanning the web application’s jars from
WEB-INF/lib
{quote}
http://mail-archives.apache.org/mod_mbox/tomcat-taglibs-user/201805.mbox/...
TLDs under META-INF/resources inside the web-fragment jar is not
loaded
-----------------------------------------------------------------------
Key: WFLY-10411
URL:
https://issues.jboss.org/browse/WFLY-10411
Project: WildFly
Issue Type: Bug
Components: Web (Undertow)
Affects Versions: 13.0.0.Beta1
Reporter: Masafumi Miura
Assignee: Stuart Douglas
Attachments: jsp-taglib-jar-in-war.zip
TLDs under META-INF/resources inside the web-fragment jar is not loaded.
{code:title=directory structure of the web-fragment jar}
taglib-jar
|-- META-INF
| |-- resources
| | `-- WEB-INF
| | `-- tlds
| | `-- hi.tld
| `-- web-fragment.xml
`-- simple
`-- HiTag.class
{code}
{code:title=web-fragment.xml}
<?xml version="1.0" encoding="UTF-8"?>
<web-fragment id="WebFragment_ID"
version="3.0"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-fragment_3_0.xsd">
...(snip)...
<jsp-config>
<taglib>
<taglib-uri>/HiTag</taglib-uri>
<taglib-location>/WEB-INF/tlds/hi.tld</taglib-location>
</taglib>
</jsp-config>
</web-fragment>
{code}
The following ERROR is thrown at the deployment:
{code}
ERROR [org.wildfly.extension.undertow] (MSC service thread 1-8) WFLYUT0074: Could not
find TLD /WEB-INF/tlds/hi.tld
{code}
JSP returns "500 Internal Server Error" and Jastow throws the following ERROR
when accessing the JSP which has {{<%@ taglib uri="/HiTag"
prefix="say"%>}} or {{<%@ taglib uri="/WEB-INF/tlds/hi.tld"
prefix="say"%>}}:
{code}
ERROR [io.undertow.request] (default task-1) UT005023: Exception handling request to
/taglib-jar-in-war/hi.jsp: org.apache.jasper.JasperException: JBWEB004036: File
"/HiTag" not found
at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:57)
at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:278)
at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:75)
at
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:171)
at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:412)
at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1459)
at org.apache.jasper.compiler.Parser.parse(Parser.java:143)
at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:223)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:200)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:652)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:358)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:403)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:347)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
...(snip)...
{code}
{code}
ERROR [io.undertow.request] (default task-1) UT005023: Exception handling request to
/taglib-jar-in-war/index.jsp: org.apache.jasper.JasperException: JBWEB004036: File
"/WEB-INF/tlds/hi.tld" not found
at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:57)
at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:278)
at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:75)
at
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:171)
at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:412)
at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1459)
at org.apache.jasper.compiler.Parser.parse(Parser.java:143)
at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:223)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:200)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:321)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:652)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:358)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:403)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:347)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
...(snip)...
{code}
Note that the same war file can be deployed and the JSPs works on Tomcat 8.
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