Remy, The answer is in the stack trace. As with all stack traces you have to look hard. If you do, you'll see:
Caused by: java.lang.NumberFormatException: For input string: "'3'" '3' is not a number.... Try with 3 -Vincent > -----Original Message----- > From: Menetrieux Remy [mailto:[EMAIL PROTECTED] > Sent: 06 April 2004 17:34 > To: Maven Users List > Subject: RE: Jelly tag questions > > Thanks, but I have an other pb: > <j:invokeStatic className="java.lang.Integer" var="truc" > method="parseInt"> > <j:arg type="java.lang.String" value="'3'" /> > </j:invokeStatic> > > This code make the following error .. : > java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. > java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces > sorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:324) > at > org.apache.commons.jelly.tags.core.InvokeStaticTag.doTag(InvokeStatic > Tag.java:162) > at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279) > at > org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135) > at > org.apache.maven.jelly.tags.werkz.MavenGoalTag.runBodyTag(MavenGoalTa > g.java:78) > at > org.apache.maven.jelly.tags.werkz.MavenGoalTag$MavenGoalAction.perfor > mAction(MavenGoalTag.java:99) > at com.werken.werkz.Goal.fire(Goal.java:639) > at com.werken.werkz.Goal.attain(Goal.java:575) > at com.werken.werkz.WerkzProject.attainGoal(WerkzProject.java:193) > at > org.apache.maven.jelly.tags.werkz.MavenAttainGoalTag.doTag(MavenAttai > nGoalTag.java:126) > at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279) > at > org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135) > at > org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:233) > at org.apache.commons.jelly.tags.core.IfTag.doTag(IfTag.java:88) > at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279) > at > org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135) > at > org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:233) > at > org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:1 > 45) > at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279) > at > org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135) > at > org.apache.maven.jelly.tags.werkz.MavenGoalTag.runBodyTag(MavenGoalTa > g.java:78) > at > org.apache.maven.jelly.tags.werkz.MavenGoalTag$MavenGoalAction.perfor > mAction(MavenGoalTag.java:99) > at com.werken.werkz.Goal.fire(Goal.java:639) > at com.werken.werkz.Goal.attain(Goal.java:575) > at com.werken.werkz.WerkzProject.attainGoal(WerkzProject.java:193) > at > org.apache.maven.jelly.tags.werkz.MavenAttainGoalTag.doTag(MavenAttai > nGoalTag.java:126) > at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279) > at > org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135) > at > org.apache.maven.jelly.tags.werkz.MavenGoalTag.runBodyTag(MavenGoalTa > g.java:78) > at > org.apache.maven.jelly.tags.werkz.MavenGoalTag$MavenGoalAction.perfor > mAction(MavenGoalTag.java:99) > at com.werken.werkz.Goal.fire(Goal.java:639) > at com.werken.werkz.Goal.attain(Goal.java:575) > at com.werken.werkz.WerkzProject.attainGoal(WerkzProject.java:193) > at > org.apache.maven.plugin.PluginManager.attainGoals(PluginManager.java: > 531) > at > org.apache.maven.MavenSession.attainGoals(MavenSession.java:265) > at org.apache.maven.cli.App.doMain(App.java:466) > at org.apache.maven.cli.App.main(App.java:1117) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. > java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces > sorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:324) > at com.werken.forehead.Forehead.run(Forehead.java:551) > at com.werken.forehead.Forehead.main(Forehead.java:581) > Caused by: java.lang.NumberFormatException: For input string: "'3'" > at > java.lang.NumberFormatException.forInputString(NumberFormatException. > java:48) > at java.lang.Integer.parseInt(Integer.java:468) > at java.lang.Integer.parseInt(Integer.java:518) > ... 46 more > > -----Message d'origine----- > De�: Vincent Massol [mailto:[EMAIL PROTECTED] > Envoy�: mardi 6 avril 2004 17:15 > ��: 'Maven Users List' > Objet�: RE: Jelly tag questions > > Hi Remy, > > Your best bet is to call some java code (using <j:invokeStatic> for > example) for all numerical computations. They are not supported by JEXL > (AFAIK). > > -Vincent > > > -----Original Message----- > > From: Menetrieux Remy [mailto:[EMAIL PROTECTED] > > Sent: 06 April 2004 17:01 > > To: Maven Users List > > Subject: Jelly tag questions > > > > Hi, > > > > I create this code : > > > > > > > > <j:set var="vers" value="${pom.getVersions()}" /> > > > > <j:set var="max" value="${size(vers)}" /> > > > > <j:set var="max" value="${max - 1}" /> > > > > <j:forEach var="dep" items="${pom.getVersions()}" > indexVar="index"> > > > > <echo>${ max > 0 }</echo> > > > > </j:forEach> > > > > When I execute it, I obtain the following message. It seems that jelly > > don't > > see max as an int. How ca do that ? > > > > Sorry for my english thank's. > > > > R�my > > > > > > > > Caught exception evaluating: > > [EMAIL PROTECTED] > > Reas > > > > on: java.lang.Exception: Invalid comparison : GT > > > > java.lang.Exception: Invalid comparison : GT > > > > at > > org.apache.commons.jexl.parser.ASTGTNode.value(ASTGTNode.java:104) > > > > at > > org.apache.commons.jexl.parser.ASTExpression.value(ASTExpression.java > > > > :85) > > > > at > > org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:1 > > > > 23) > > > > at > > org.apache.commons.jelly.expression.jexl.JexlExpression.evaluate(Jexl > > > > Expression.java:115) > > > > at > > org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse > > > > (ExpressionSupport.java:106) > > > > at > > org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsStrin > > > > g(ExpressionSupport.java:91) > > > > at > > org.apache.commons.jelly.impl.ExpressionScript.run(ExpressionScript.j > > > > ava:112) > > > > at > > org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:233) > > > > at > > org.apache.commons.jelly.TagSupport.getBodyText(TagSupport.java:271) > > > > at > org.apache.commons.jelly.tags.ant.AntTag.doTag(AntTag.java:205) > > > > > > The information transmitted is intended only for the person or entity > to > > which it is addressed and may contain confidential and/or privileged > > material. 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