Failure to evaluate ternary operators in Expression Language(EL)
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Key: JBWEB-208
URL:
https://issues.jboss.org/browse/JBWEB-208
Project: JBoss Web
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: Tomcat
Affects Versions: JBossWeb-2.1.10.GA
Environment: RHEL 6 Workstation, JBoss EAP 5.1.0
Reporter: Musharraf Hussain
Assignee: Remy Maucherat
Fix For: JBossWeb-2.1.4.GA
This issue is regarding a support case [1] where JBoss throws the below given error while
evaluating ternary operators in Expression Language(EL) written in JSP. I found this issue
there in EAP 5.1.1 (JBoss Web 2.1.3.GA) as well but interestingly this issue does not
occur in EAP 4.3.x (JBoss Web 2.0.0 GA CP05).
I have attached a sample test case, which once you deploy and hit the application like
this (
http://localhost:8080/TestWS) it throws the following ERROR.
2011-07-27 12:34:51,197 ERROR
[org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/TestWS].[jsp]]
(http-127.0.0.1-8080-1) Servlet.service() for servlet jsp threw exception
org.apache.el.parser.ParseException: Encountered " <ILLEGAL_CHARACTER>
"\' "" at line 1, column 16.
Was expecting one of:
<INTEGER_LITERAL> ...
<FLOATING_POINT_LITERAL> ...
<STRING_LITERAL> ...
"true" ...
"false" ...
"null" ...
"(" ...
")" ...
"!" ...
"not" ...
"empty" ...
"-" ...
<IDENTIFIER> ...
at org.apache.el.parser.ELParser.generateParseException(ELParser.java:2142)
at org.apache.el.parser.ELParser.jj_consume_token(ELParser.java:2024)
......
As per the bug opened for the same issue faced in Apache Tomcat, as mentioned in the
following URL [2], the issue has been fixed and the fix has been included in Apache Tomcat
version 6.0.23 onwards.
There exists a JIRA [3] where for similar issue we are rebasing to Version 6.0.21 , hence
I am opening this fresh JIRA so that a patch could be provided for the existing users of
EAP 5.x and also this change could be included into EAP 5.1.2 as well.
[1]
https://c.na7.visual.force.com/apex/Case_View?id=500A0000007BrQwIAK&s...
[2]
https://issues.apache.org/bugzilla/show_bug.cgi?id=48112
[3]
https://issues.jboss.org/browse/JBPAPP-6382
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