Program: 82765
Project: 82765
Buggy source:
public void execute() throws BuildException {
  Ivy ivy=getIvyInstance();
  try {
    if (_file == null) {
      _file=new File(getProject().getBaseDir(),getProperty(ivy,"String_Node_Str"));
    }
    _conf=getProperty(_conf,ivy,"String_Node_Str");
    _revision=getProperty(_revision,ivy,"String_Node_Str");
    _type=getProperty(_type,ivy,"String_Node_Str");
    if (_cache == null) {
      _cache=ivy.getDefaultCache();
    }
    String[] confs=splitConfs(_conf);
    ResolveReport report=ivy.resolve(_file.toURL(),_revision,confs,_cache,getPubDate(_pubdate,null),doValidate(ivy),_useCacheOnly,FilterHelper.getArtifactTypeFilter(_type));
    if (isHaltonfailure() && report.hasError()) {
      throw new BuildException("String_Node_Str");
    }
    getProject().addReference("String_Node_Str",report);
    ModuleDescriptor md=report.getModuleDescriptor();
    setResolved(md);
    getProject().setProperty("String_Node_Str",md.getModuleRevisionId().getOrganisation());
    ivy.setVariable("String_Node_Str",md.getModuleRevisionId().getOrganisation());
    getProject().setProperty("String_Node_Str",md.getModuleRevisionId().getName());
    ivy.setVariable("String_Node_Str",md.getModuleRevisionId().getName());
    getProject().setProperty("String_Node_Str",md.getResolvedModuleRevisionId().getRevision());
    ivy.setVariable("String_Node_Str",md.getResolvedModuleRevisionId().getRevision());
    getProject().setProperty("String_Node_Str",String.valueOf(report.hasChanged()));
    ivy.setVariable("String_Node_Str",String.valueOf(report.hasChanged()));
    if (_conf.trim().equals("String_Node_Str")) {
      getProject().setProperty("String_Node_Str",mergeConfs(md.getConfigurationsNames()));
      ivy.setVariable("String_Node_Str",mergeConfs(md.getConfigurationsNames()));
    }
 else {
      getProject().setProperty("String_Node_Str",_conf);
      ivy.setVariable("String_Node_Str",_conf);
    }
  }
 catch (  MalformedURLException e) {
    throw new BuildException("String_Node_Str" + _file,e);
  }
catch (  ParseException e) {
    log(e.getMessage(),Project.MSG_ERR);
    throw new BuildException("String_Node_Str",e);
  }
catch (  Exception e) {
    throw new BuildException("String_Node_Str" + e.getMessage(),e);
  }
}

Fixed version (ground truth):
public void execute() throws BuildException {
  Ivy ivy=getIvyInstance();
  try {
    if (_file == null) {
      _file=new File(getProject().getBaseDir(),getProperty(ivy,"String_Node_Str"));
    }
    _conf=getProperty(_conf,ivy,"String_Node_Str");
    _revision=getProperty(_revision,ivy,"String_Node_Str");
    _type=getProperty(_type,ivy,"String_Node_Str");
    if (_cache == null) {
      _cache=ivy.getDefaultCache();
    }
    String[] confs=splitConfs(_conf);
    ResolveReport report=ivy.resolve(_file.toURL(),_revision,confs,_cache,getPubDate(_pubdate,null),doValidate(ivy),_useCacheOnly,FilterHelper.getArtifactTypeFilter(_type));
    if (isHaltonfailure() && report.hasError()) {
      throw new BuildException("String_Node_Str");
    }
    getProject().addReference("String_Node_Str",report);
    ModuleDescriptor md=report.getModuleDescriptor();
    setResolved(md);
    getProject().setProperty("String_Node_Str",md.getModuleRevisionId().getOrganisation());
    ivy.setVariable("String_Node_Str",md.getModuleRevisionId().getOrganisation());
    getProject().setProperty("String_Node_Str",md.getModuleRevisionId().getName());
    ivy.setVariable("String_Node_Str",md.getModuleRevisionId().getName());
    getProject().setProperty("String_Node_Str",md.getResolvedModuleRevisionId().getRevision());
    ivy.setVariable("String_Node_Str",md.getResolvedModuleRevisionId().getRevision());
    boolean hasChanged=report.hasChanged();
    getProject().setProperty("String_Node_Str",String.valueOf(hasChanged));
    ivy.setVariable("String_Node_Str",String.valueOf(hasChanged));
    if (_conf.trim().equals("String_Node_Str")) {
      getProject().setProperty("String_Node_Str",mergeConfs(md.getConfigurationsNames()));
      ivy.setVariable("String_Node_Str",mergeConfs(md.getConfigurationsNames()));
    }
 else {
      getProject().setProperty("String_Node_Str",_conf);
      ivy.setVariable("String_Node_Str",_conf);
    }
  }
 catch (  MalformedURLException e) {
    throw new BuildException("String_Node_Str" + _file,e);
  }
catch (  ParseException e) {
    log(e.getMessage(),Project.MSG_ERR);
    throw new BuildException("String_Node_Str",e);
  }
catch (  Exception e) {
    throw new BuildException("String_Node_Str" + e.getMessage(),e);
  }
}