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Posted to users@maven.apache.org by Anthony Kong <an...@ufjia.com> on 2003/06/02 10:34:46 UTC

Exception. How to know what goes wrong?

I have seen the following message in my maven log when I use -X flag with
maven. How can I know what caused this error?

Regards,

Anthony


=====================================================================

2003-06-02 16:03:18,480 WARN
org.apache.commons.jelly.expression.jexl.JexlExpression - Caught exception
evaluating: org.apache.commons.jexl.ExpressionImpl@16529f8. Reason:
java.lang.Exception: Null comparison : GT
java.lang.Exception: Null comparison : GT
    at org.apache.commons.jexl.parser.ASTGTNode.value(ASTGTNode.java:94)
    at
org.apache.commons.jexl.parser.ASTExpression.value(ASTExpression.java:85)
    at
org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:123)
    at
org.apache.commons.jelly.expression.jexl.JexlExpression.evaluate(JexlExpress
ion.java:115)
    at
org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(Expres
sionSupport.java:106)
    at
org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsBoolean(Expr
essionSupport.java:116)
    at org.apache.commons.jelly.tags.core.WhenTag.doTag(WhenTag.java:90)
    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.ChooseTag.doTag(ChooseTag.java:84)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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:145)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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:145)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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.impl.StaticTag.doTag(StaticTag.java:111)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    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.jsl.TemplateTag$1.run(TemplateTag.java:202)
    at org.dom4j.rule.Mode.fireRule(Mode.java:51)
    at org.dom4j.rule.Mode.applyTemplates(Mode.java:71)
    at org.dom4j.rule.RuleManager$1.run(RuleManager.java:148)
    at org.dom4j.rule.Mode.fireRule(Mode.java:51)
    at org.dom4j.rule.Stylesheet.run(Stylesheet.java:73)
    at org.dom4j.rule.Stylesheet.run(Stylesheet.java:65)
    at org.dom4j.rule.Stylesheet.run(Stylesheet.java:57)
    at
org.apache.commons.jelly.tags.jsl.StylesheetTag.doTag(StylesheetTag.java:166
)
    at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:279)
    at
org.apache.commons.jelly.JellyContext.runScript(JellyContext.java:631)
    at
org.apache.commons.jelly.JellyContext.runScript(JellyContext.java:581)
    at
org.apache.commons.jelly.tags.core.IncludeTag.doTag(IncludeTag.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.FileTag.writeBody(FileTag.java:207)
    at org.apache.commons.jelly.tags.core.FileTag.doTag(FileTag.java:103)
    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.impl.DynamicTag.doTag(DynamicTag.java:113)
    at
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:151)
    at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:135)
    at org.apache.commons.jelly.impl.DynamicTag.doTag(DynamicTag.java:113)
    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 com.werken.werkz.jelly.GoalTag$1.performAction(GoalTag.java:116)
    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 com.werken.werkz.jelly.AttainGoalTag.doTag(AttainGoalTag.java:134)
    at
org.apache.maven.jelly.tags.werkz.LazyAttainGoalTag.doTag(LazyAttainGoalTag.
java:107)
    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.OtherwiseTag.doTag(OtherwiseTag.java:87)
    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 com.werken.werkz.jelly.GoalTag$1.performAction(GoalTag.java:116)
    at com.werken.werkz.Goal.fire(Goal.java:639)
    at com.werken.werkz.Goal.attain(Goal.java:575)
    at com.werken.werkz.Goal.attainPrecursors(Goal.java:488)
    at com.werken.werkz.Goal.attain(Goal.java:573)
    at com.werken.werkz.WerkzProject.attainGoal(WerkzProject.java:193)
    at com.werken.werkz.jelly.AttainGoalTag.doTag(AttainGoalTag.java:134)
    at
org.apache.maven.jelly.tags.werkz.LazyAttainGoalTag.doTag(LazyAttainGoalTag.
java:107)
    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:145)
    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 com.werken.werkz.jelly.GoalTag$1.performAction(GoalTag.java:116)
    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 com.werken.werkz.jelly.AttainGoalTag.doTag(AttainGoalTag.java:134)
    at
org.apache.maven.jelly.tags.werkz.LazyAttainGoalTag.doTag(LazyAttainGoalTag.
java:107)
    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 com.werken.werkz.jelly.GoalTag$1.performAction(GoalTag.java:116)
    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 com.werken.werkz.jelly.AttainGoalTag.doTag(AttainGoalTag.java:134)
    at
org.apache.maven.jelly.tags.werkz.LazyAttainGoalTag.doTag(LazyAttainGoalTag.
java:107)
    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 com.werken.werkz.jelly.GoalTag$1.performAction(GoalTag.java:116)
    at com.werken.werkz.Goal.fire(Goal.java:639)
    at com.werken.werkz.Goal.attain(Goal.java:575)
    at
org.apache.maven.plugin.PluginManager.attainGoals(PluginManager.java:403)
    at org.apache.maven.MavenSession.attainGoals(MavenSession.java:357)
    at org.apache.maven.cli.App.doMain(App.java:525)
    at org.apache.maven.cli.App.main(App.java:1088)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
    at java.lang.reflect.Method.invoke(Method.java:324)
    at com.werken.forehead.Forehead.run(Forehead.java:543)
    at com.werken.forehead.Forehead.main(Forehead.java:573)

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