Multi-line comments causing ParseException in macros in Velocity engine 1.5
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Key: VELOCITY-537
URL: https://issues.apache.org/jira/browse/VELOCITY-537
Project: Velocity
Issue Type: Bug
Components: Engine
Affects Versions: 1.5
Reporter: Christopher Townson
Fix For: 1.5.1
Moving from velocity engine 1.4 to 1.5, one of my macros is now causing a
ParseException:
#macro( makeLink $filepath )#*
*##if ($request.serverName.equalsIgnoreCase("www.liveserver.com") ||
$request.serverName.equalsIgnoreCase("liveserver.com"))#*
*##set($mirrorDomain = "livemirror.com")#*
*##elseif($request.serverName.equalsIgnoreCase("stagingserver.com"))#*
*##set($mirrorDomain = "stagingmirror.com")#*
*##elseif($request.serverName.equalsIgnoreCase("devserver.com") ||
$request.serverName.equalsIgnoreCase("localhost"))#*
*##set($mirrorDomain = "devmirror.com")#*
*##else#*
*##set($mirrorDomain = "liveserver.com")#*
*##end#*
*#http://${mirrorDomain}${filepath}#*
*##end
This macro uses the mutli-line comment hack to gobble whitespace (so that none
appears in the link text, whilst preserving some kind of readability.
This works fine in 1.4, but throws a ParseException in 1.5 (stacktrace below)
-- stacktrace --
2007-04-03 16:05:38,712 - VelocimacroManager.parseTree() : exception makeLink
org.apache.velocity.runtime.parser.ParseException: Lexical error:
org.apache.velocity.runtime.parser.TokenMgrError: Lexical error at line 1,
column 535. Encountered: <EOF> after : ""
at org.apache.velocity.runtime.parser.Parser.parse(Parser.java:124)
at
org.apache.velocity.runtime.RuntimeInstance.parse(RuntimeInstance.java:1042)
at
org.apache.velocity.runtime.directive.VelocimacroProxy.parseTree(VelocimacroProxy.java:342)
at
org.apache.velocity.runtime.directive.VelocimacroProxy.setupMacro(VelocimacroProxy.java:322)
at
org.apache.velocity.runtime.directive.VelocimacroProxy.init(VelocimacroProxy.java:309)
at
org.apache.velocity.runtime.parser.node.ASTDirective.init(ASTDirective.java:134)
at
org.apache.velocity.runtime.parser.node.SimpleNode.init(SimpleNode.java:285)
at org.apache.velocity.Template.initDocument(Template.java:199)
at org.apache.velocity.Template.process(Template.java:121)
at
org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:415)
at
org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:335)
at
org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1102)
at
org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1077)
at
org.apache.velocity.app.VelocityEngine.getTemplate(VelocityEngine.java:528)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.getTemplate(VelocityViewServlet.java:667)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.handleRequest(VelocityViewServlet.java:601)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(VelocityViewServlet.java:541)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(VelocityViewServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
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