Program: 82696
Project: 82696
Buggy source:
public void doExecute() throws BuildException {
  Ivy ivy=getIvyInstance();
  IvySettings settings=ivy.getSettings();
  if (cache == null) {
    cache=settings.getDefaultCache();
  }
  if (xsl && xslFile == null) {
    throw new BuildException("String_Node_Str");
  }
  if (module == null && PatternMatcher.EXACT.equals(matcher)) {
    throw new BuildException("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
  }
 else   if (module == null && !PatternMatcher.EXACT.equals(matcher)) {
    module=PatternMatcher.ANY_EXPRESSION;
  }
  ModuleRevisionId mrid=ModuleRevisionId.newInstance(organisation,module,revision);
  try {
    ModuleId[] mids=ivy.listModules(new ModuleId(organisation,module),settings.getMatcher(matcher));
    ModuleRevisionId[] mrids=new ModuleRevisionId[mids.length];
    for (int i=0; i < mrids.length; i++) {
      if (branch != null) {
        mrids[i]=new ModuleRevisionId(mids[i],branch,revision);
      }
 else {
        mrids[i]=new ModuleRevisionId(mids[i],revision);
      }
    }
    DefaultModuleDescriptor md=DefaultModuleDescriptor.newCallerInstance(mrids,true,false);
    String resolveId=ResolveOptions.getDefaultResolveId(md);
    ResolveReport report=ivy.resolve(md,new ResolveOptions().setResolveId(resolveId).setCache(ivy.getCacheManager(cache)).setValidate(doValidate(settings)));
    ResolutionCacheManager cacheMgr=getIvyInstance().getCacheManager(cache);
    new XmlReportOutputter().output(report,cache);
    if (graph) {
      gengraph(cacheMgr,md.getModuleRevisionId().getOrganisation(),md.getModuleRevisionId().getName());
    }
    if (dot) {
      gendot(cacheMgr,md.getModuleRevisionId().getOrganisation(),md.getModuleRevisionId().getName());
    }
    if (xml) {
      FileUtil.copy(cacheMgr.getConfigurationResolveReportInCache(resolveId,"String_Node_Str"),new File(todir,outputname + "String_Node_Str"),null);
    }
    if (xsl) {
      genreport(cacheMgr,md.getModuleRevisionId().getOrganisation(),md.getModuleRevisionId().getName());
    }
  }
 catch (  Exception e) {
    throw new BuildException("String_Node_Str" + mrid + "String_Node_Str"+ e,e);
  }
}

Fixed version (ground truth):
public void doExecute() throws BuildException {
  Ivy ivy=getIvyInstance();
  IvySettings settings=ivy.getSettings();
  if (cache == null) {
    cache=settings.getDefaultCache();
  }
  if (xsl && xslFile == null) {
    throw new BuildException("String_Node_Str");
  }
  if (module == null && PatternMatcher.EXACT.equals(matcher)) {
    throw new BuildException("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
  }
 else   if (module == null && !PatternMatcher.EXACT.equals(matcher)) {
    module=PatternMatcher.ANY_EXPRESSION;
  }
  ModuleRevisionId mrid=ModuleRevisionId.newInstance(organisation,module,revision);
  try {
    ModuleId[] mids=ivy.listModules(new ModuleId(organisation,module),settings.getMatcher(matcher));
    ModuleRevisionId[] mrids=new ModuleRevisionId[mids.length];
    for (int i=0; i < mrids.length; i++) {
      if (branch != null) {
        mrids[i]=new ModuleRevisionId(mids[i],branch,revision);
      }
 else {
        mrids[i]=new ModuleRevisionId(mids[i],revision);
      }
    }
    DefaultModuleDescriptor md=DefaultModuleDescriptor.newCallerInstance(mrids,true,false);
    String resolveId=ResolveOptions.getDefaultResolveId(md);
    ResolveReport report=ivy.resolve(md,new ResolveOptions().setResolveId(resolveId).setCache(ivy.getCacheManager(cache)).setValidate(doValidate(settings)));
    ResolutionCacheManager cacheMgr=getIvyInstance().getCacheManager(cache);
    new XmlReportOutputter().output(report,cacheMgr);
    if (graph) {
      gengraph(cacheMgr,md.getModuleRevisionId().getOrganisation(),md.getModuleRevisionId().getName());
    }
    if (dot) {
      gendot(cacheMgr,md.getModuleRevisionId().getOrganisation(),md.getModuleRevisionId().getName());
    }
    if (xml) {
      FileUtil.copy(cacheMgr.getConfigurationResolveReportInCache(resolveId,"String_Node_Str"),new File(todir,outputname + "String_Node_Str"),null);
    }
    if (xsl) {
      genreport(cacheMgr,md.getModuleRevisionId().getOrganisation(),md.getModuleRevisionId().getName());
    }
  }
 catch (  Exception e) {
    throw new BuildException("String_Node_Str" + mrid + "String_Node_Str"+ e,e);
  }
}