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From "Erik-Berndt Scheper (JIRA)" <j...@apache.org>
Subject [jira] Created: (IVY-838) NPE in ivy:install if ivy.settings.xml contains custom attribute for a module
Date Thu, 12 Jun 2008 15:08:45 GMT
NPE in ivy:install if ivy.settings.xml contains custom attribute for a module
-----------------------------------------------------------------------------

                 Key: IVY-838
                 URL: https://issues.apache.org/jira/browse/IVY-838
             Project: Ivy
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0-RC1
            Reporter: Erik-Berndt Scheper
             Fix For: 2.0-RC1


Using the latest build from trunk: If the ivy settings xml file contains a custom attribute,
such as myextra suggested by  the ivy documentation http://ant.apache.org/ivy/history/trunk/configuration/module.html:

{code:xml}
<modules>
  <module organisation="apache" name="commons-[a-z]+" myextra="val.*" matcher="regexp"
resolver="myapachecommonsresolver"/>
</modules>
{code}

Then ivy:settings target works fine, but a subsequent ivy:install fails with the following
NPE:
{noformat}
D:\ws\eclipse-3.3.1\AAD\build\ivy-repository-copy\build.xml:16: java.lang.NullPointerException
        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:115)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:357)
        at org.apache.tools.ant.Target.performTasks(Target.java:385)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
        at org.apache.tools.ant.Main.runBuild(Main.java:698)
        at org.apache.tools.ant.Main.startAnt(Main.java:199)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Caused by: java.lang.NullPointerException
        at org.apache.ivy.plugins.matcher.ExactOrRegexpPatternMatcher$ExactOrRegexpMatcher.matches(ExactOrRegexpPatternMatcher.java:53)
        at org.apache.ivy.plugins.matcher.MapMatcher.matches(MapMatcher.java:48)
        at org.apache.ivy.core.module.id.ModuleRules.getRule(ModuleRules.java:166)
        at org.apache.ivy.core.module.id.ModuleRules.getRule(ModuleRules.java:141)
        at org.apache.ivy.core.settings.IvySettings.getDefaultBranch(IvySettings.java:842)
        at org.apache.ivy.ant.IvyInstall.doExecute(IvyInstall.java:84)
        at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:277)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
        at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
        ... 11 more
--- Nested Exception ---
java.lang.NullPointerException
        at org.apache.ivy.plugins.matcher.ExactOrRegexpPatternMatcher$ExactOrRegexpMatcher.matches(ExactOrRegexpPatternMatcher.java:53)
        at org.apache.ivy.plugins.matcher.MapMatcher.matches(MapMatcher.java:48)
        at org.apache.ivy.core.module.id.ModuleRules.getRule(ModuleRules.java:166)
        at org.apache.ivy.core.module.id.ModuleRules.getRule(ModuleRules.java:141)
        at org.apache.ivy.core.settings.IvySettings.getDefaultBranch(IvySettings.java:842)
        at org.apache.ivy.ant.IvyInstall.doExecute(IvyInstall.java:84)
        at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:277)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
        at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:357)
        at org.apache.tools.ant.Target.performTasks(Target.java:385)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
        at org.apache.tools.ant.Main.runBuild(Main.java:698)
        at org.apache.tools.ant.Main.startAnt(Main.java:199)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
{noformat}

The NPE goes away if the myextra attribute is changed into a standard attribute such as 'branch'.

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