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Bug
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Resolution: Won't Do
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Blocker
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None
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7.0.0.ER5
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None
Having jsp, which uses implicit jsp variable, such as out in lambda expression [1] fails to compile, see [2]. Using instead of lambda's forEach standard for cycle works without issues.
[1]
test.jsp using lambda with implicit variable
<%@ page language="java" pageEncoding="UTF-8" contentType="text/plain;charset=utf-8"%> <% String[] names = {"Joe", "Doe", "John", "Peter"}; java.util.List<String> namesAsList = java.util.Arrays.asList(names); namesAsList.forEach(out::println); for (String name : namesAsList) { out.println(name); } %>
[2]
JBWEB004060: An error occurred at line: 5 in the jsp file: /jsp-with-lambdas-implicit-variables.jsp Unhandled exception type IOException 2: <% 3: String[] names = {"Joe", "Doe", "John", "Peter"}; 4: java.util.List<String> namesAsList = java.util.Arrays.asList(names); 5: namesAsList.forEach(out::println); Stacktrace: at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:95) at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:198) at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:449) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:359) 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:402) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:346) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) at io.undertow.jsp.JspFileHandler.handleRequest(JspFileHandler.java:32) at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284) at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263) at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)