Program: 53222
Project: 53222
Buggy source:
public Path migrate(Module jcrModule,AssetItem jcrAssetItem,Path previousVersionPath){
  if (!AssetFormats.DECISION_TABLE_GUIDED.equals(jcrAssetItem.getFormat())) {
    throw new IllegalArgumentException("String_Node_Str" + jcrAssetItem.getName() + "String_Node_Str"+ jcrAssetItem.getFormat()+ "String_Node_Str");
  }
  Path path=migrationPathManager.generatePathForAsset(jcrModule,jcrAssetItem);
  final org.uberfire.java.nio.file.Path nioPath=Paths.convert(path);
  if (previousVersionPath != null && !previousVersionPath.equals(path)) {
    ioService.move(Paths.convert(previousVersionPath),nioPath,StandardCopyOption.REPLACE_EXISTING);
  }
  String content=jcrAssetItem.getContent();
  content=content.replaceAll("String_Node_Str","String_Node_Str");
  GuidedDecisionTable52 model=GuidedDTXMLPersistence.getInstance().unmarshal(content);
  final Package pkg=projectService.resolvePackage(path);
  String pkName=pkg.getPackageName();
  try {
    if (pkName != null && pkg.getPackageName().endsWith(path.getFileName())) {
      pkName=pkg.getPackageName().substring(0,pkg.getPackageName().indexOf(path.getFileName()) - 1);
    }
  }
 catch (  Exception e) {
  }
  final String requiredPackageName=pkName;
  if (requiredPackageName != null || !"String_Node_Str".equals(requiredPackageName)) {
    model.setPackageName(requiredPackageName);
  }
  model.setParentName(getExtendedRuleFromCategoryRules(jcrModule,jcrAssetItem,"String_Node_Str"));
  if (packageHeaderInfo.getHeader() != null) {
    final Imports imports=ImportsParser.parseImports(packageHeaderInfo.getHeader());
    if (imports != null) {
      model.setImports(imports);
    }
  }
  String sourceContent=GuidedDTXMLPersistence.getInstance().marshal(model);
  ioService.write(nioPath,sourceContent,migrateMetaData(jcrModule,jcrAssetItem),new CommentedOption(jcrAssetItem.getLastContributor(),null,jcrAssetItem.getCheckinComment(),jcrAssetItem.getLastModified().getTime()));
  return path;
}

Fixed version (ground truth):
public Path migrate(Module jcrModule,AssetItem jcrAssetItem,Path previousVersionPath){
  if (!AssetFormats.DECISION_TABLE_GUIDED.equals(jcrAssetItem.getFormat())) {
    throw new IllegalArgumentException("String_Node_Str" + jcrAssetItem.getName() + "String_Node_Str"+ jcrAssetItem.getFormat()+ "String_Node_Str");
  }
  Path path=migrationPathManager.generatePathForAsset(jcrModule,jcrAssetItem);
  final org.uberfire.java.nio.file.Path nioPath=Paths.convert(path);
  if (previousVersionPath != null && !previousVersionPath.equals(path)) {
    ioService.move(Paths.convert(previousVersionPath),nioPath,StandardCopyOption.REPLACE_EXISTING);
  }
  String content=jcrAssetItem.getContent();
  content=content.replaceAll("String_Node_Str","String_Node_Str");
  GuidedDecisionTable52 model=GuidedDTXMLPersistence.getInstance().unmarshal(content);
  final Package pkg=projectService.resolvePackage(path);
  String pkName=pkg.getPackageName();
  try {
    if (pkName != null && pkg.getPackageName().endsWith(path.getFileName())) {
      pkName=pkg.getPackageName().substring(0,pkg.getPackageName().indexOf(path.getFileName()) - 1);
    }
  }
 catch (  Exception e) {
  }
  final String requiredPackageName=pkName;
  if (requiredPackageName != null && !"String_Node_Str".equals(requiredPackageName)) {
    model.setPackageName(requiredPackageName);
  }
  model.setParentName(getExtendedRuleFromCategoryRules(jcrModule,jcrAssetItem,"String_Node_Str"));
  if (packageHeaderInfo.getHeader() != null) {
    final Imports imports=ImportsParser.parseImports(packageHeaderInfo.getHeader());
    if (imports != null) {
      model.setImports(imports);
    }
  }
  String sourceContent=GuidedDTXMLPersistence.getInstance().marshal(model);
  ioService.write(nioPath,sourceContent,migrateMetaData(jcrModule,jcrAssetItem),new CommentedOption(jcrAssetItem.getLastContributor(),null,jcrAssetItem.getCheckinComment(),jcrAssetItem.getLastModified().getTime()));
  return path;
}