https://bz.apache.org/bugzilla/show_bug.cgi?id=69974
Bug ID: 69974
Summary: Nested class EL resolution fails when JSTL API classes
precede tomcat-embed-jasper on classpath
Product: Tomcat 11
Version: 11.0.15
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: -------
The JasperELResolver is sensitive to the order of EL/EL API classes on the
classpath. JSTL jars appear to mask or override EL classes when loaded first.
I noticed this when attempting to import and use nested enum values. See
https://github.com/BriceRoncace/tomcat-jsp-demo for a demonstration.
WORKING the dependency order:
<dependency
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>11.0.15</version>
</dependency>
<dependency>
<groupId>jakarta.servlet.jsp.jstl</groupId>
<artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
<version>3.0.2</version>
</dependency>
dependency tree snippet:
[INFO] +- org.apache.tomcat.embed:tomcat-embed-jasper:jar:11.0.15:provided
[INFO] | +- org.apache.tomcat.embed:tomcat-embed-core:jar:11.0.15:provided
[INFO] | | \- org.apache.tomcat:tomcat-annotations-api:jar:11.0.15:provided
[INFO] | +- org.apache.tomcat.embed:tomcat-embed-el:jar:11.0.15:compile
[INFO] | \- org.eclipse.jdt:ecj:jar:3.43.0:provided
[INFO] +-
jakarta.servlet.jsp.jstl:jakarta.servlet.jsp.jstl-api:jar:3.0.2:compile
[INFO] | +- jakarta.servlet:jakarta.servlet-api:jar:6.1.0:compile
[INFO] | \- jakarta.el:jakarta.el-api:jar:5.0.0:compile
FAILING the dependency order:
<dependency>
<groupId>jakarta.servlet.jsp.jstl</groupId>
<artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
<version>3.0.2</version>
</dependency>
<dependency
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>11.0.15</version>
</dependency>
dependency tree snippet:
[INFO] +-
jakarta.servlet.jsp.jstl:jakarta.servlet.jsp.jstl-api:jar:3.0.2:compile
[INFO] | +- jakarta.servlet:jakarta.servlet-api:jar:6.1.0:compile
[INFO] | \- jakarta.el:jakarta.el-api:jar:5.0.0:compile
[INFO] +- org.apache.tomcat.embed:tomcat-embed-jasper:jar:11.0.15:provided
[INFO] | +- org.apache.tomcat.embed:tomcat-embed-core:jar:11.0.15:provided
[INFO] | | \- org.apache.tomcat:tomcat-annotations-api:jar:11.0.15:provided
[INFO] | +- org.apache.tomcat.embed:tomcat-embed-el:jar:11.0.15:compile
[INFO] | \- org.eclipse.jdt:ecj:jar:3.43.0:provided
Thank you!
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