Program: 20658
Project: 20658
Buggy source:
public Boolean deleteArtifact(Artifact artifact) throws ArchivaRestServiceException {
  String repositoryId=artifact.getContext();
  if (StringUtils.isEmpty(repositoryId)) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  if (!isAuthorizedToDeleteArtifacts(repositoryId)) {
    throw new ArchivaRestServiceException("String_Node_Str",403,null);
  }
  if (artifact == null) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  if (StringUtils.isEmpty(artifact.getGroupId())) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  if (StringUtils.isEmpty(artifact.getArtifactId())) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  RepositorySession repositorySession=repositorySessionFactory.createSession();
  try {
    Date lastUpdatedTimestamp=Calendar.getInstance().getTime();
    TimeZone timezone=TimeZone.getTimeZone("String_Node_Str");
    DateFormat fmt=new SimpleDateFormat("String_Node_Str");
    fmt.setTimeZone(timezone);
    ManagedRepository repoConfig=managedRepositoryAdmin.getManagedRepository(repositoryId);
    VersionedReference ref=new VersionedReference();
    ref.setArtifactId(artifact.getArtifactId());
    ref.setGroupId(artifact.getGroupId());
    ref.setVersion(artifact.getVersion());
    ManagedRepositoryContent repository=repositoryFactory.getManagedRepositoryContent(repositoryId);
    if (StringUtils.isNotBlank(artifact.getClassifier())) {
      if (StringUtils.isBlank(artifact.getPackaging())) {
        throw new ArchivaRestServiceException("String_Node_Str",400,null);
      }
      ArtifactReference artifactReference=new ArtifactReference();
      artifactReference.setArtifactId(artifact.getArtifactId());
      artifactReference.setGroupId(artifact.getGroupId());
      artifactReference.setVersion(artifact.getVersion());
      artifactReference.setClassifier(artifact.getClassifier());
      artifactReference.setType(artifact.getPackaging());
      repository.deleteArtifact(artifactReference);
      return Boolean.TRUE;
    }
    String path=repository.toMetadataPath(ref);
    int index=path.lastIndexOf('/');
    path=path.substring(0,index);
    File targetPath=new File(repoConfig.getLocation(),path);
    if (!targetPath.exists()) {
      throw new ContentNotFoundException(artifact.getGroupId() + "String_Node_Str" + artifact.getArtifactId()+ "String_Node_Str"+ artifact.getVersion());
    }
    repository.deleteVersion(ref);
    File metadataFile=getMetadata(targetPath.getAbsolutePath());
    ArchivaRepositoryMetadata metadata=getMetadata(metadataFile);
    updateMetadata(metadata,metadataFile,lastUpdatedTimestamp,artifact);
    MetadataRepository metadataRepository=repositorySession.getRepository();
    Collection<ArtifactMetadata> artifacts=metadataRepository.getArtifacts(repositoryId,artifact.getGroupId(),artifact.getArtifactId(),artifact.getVersion());
    for (    ArtifactMetadata artifactMetadata : artifacts) {
      if (artifact.getVersion().equals(artifact.getVersion())) {
        metadataRepository.removeArtifact(artifactMetadata.getRepositoryId(),artifactMetadata.getNamespace(),artifactMetadata.getProject(),artifact.getVersion(),artifactMetadata.getId());
        for (        RepositoryListener listener : listeners) {
          listener.deleteArtifact(metadataRepository,repository.getId(),artifactMetadata.getNamespace(),artifactMetadata.getProject(),artifactMetadata.getVersion(),artifactMetadata.getId());
        }
        triggerAuditEvent(repositoryId,path,AuditEvent.REMOVE_FILE);
      }
    }
    repositorySession.save();
  }
 catch (  ContentNotFoundException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),400,e);
  }
catch (  RepositoryNotFoundException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),400,e);
  }
catch (  RepositoryException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
catch (  MetadataResolutionException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
catch (  MetadataRepositoryException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
catch (  RepositoryAdminException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
 finally {
    repositorySession.close();
  }
  return Boolean.TRUE;
}

Fixed version (ground truth):
public Boolean deleteArtifact(Artifact artifact) throws ArchivaRestServiceException {
  String repositoryId=artifact.getContext();
  if (StringUtils.isEmpty(repositoryId)) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  if (!isAuthorizedToDeleteArtifacts(repositoryId)) {
    throw new ArchivaRestServiceException("String_Node_Str",403,null);
  }
  if (artifact == null) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  if (StringUtils.isEmpty(artifact.getGroupId())) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  if (StringUtils.isEmpty(artifact.getArtifactId())) {
    throw new ArchivaRestServiceException("String_Node_Str",400,null);
  }
  RepositorySession repositorySession=repositorySessionFactory.createSession();
  try {
    Date lastUpdatedTimestamp=Calendar.getInstance().getTime();
    TimeZone timezone=TimeZone.getTimeZone("String_Node_Str");
    DateFormat fmt=new SimpleDateFormat("String_Node_Str");
    fmt.setTimeZone(timezone);
    ManagedRepository repoConfig=managedRepositoryAdmin.getManagedRepository(repositoryId);
    VersionedReference ref=new VersionedReference();
    ref.setArtifactId(artifact.getArtifactId());
    ref.setGroupId(artifact.getGroupId());
    ref.setVersion(artifact.getVersion());
    ManagedRepositoryContent repository=repositoryFactory.getManagedRepositoryContent(repositoryId);
    if (StringUtils.isNotBlank(artifact.getClassifier())) {
      if (StringUtils.isBlank(artifact.getPackaging())) {
        throw new ArchivaRestServiceException("String_Node_Str",400,null);
      }
      ArtifactReference artifactReference=new ArtifactReference();
      artifactReference.setArtifactId(artifact.getArtifactId());
      artifactReference.setGroupId(artifact.getGroupId());
      artifactReference.setVersion(artifact.getVersion());
      artifactReference.setClassifier(artifact.getClassifier());
      artifactReference.setType(artifact.getPackaging());
      repository.deleteArtifact(artifactReference);
      return Boolean.TRUE;
    }
    String path=repository.toMetadataPath(ref);
    int index=path.lastIndexOf('/');
    path=path.substring(0,index);
    File targetPath=new File(repoConfig.getLocation(),path);
    if (!targetPath.exists()) {
      throw new ContentNotFoundException(artifact.getGroupId() + "String_Node_Str" + artifact.getArtifactId()+ "String_Node_Str"+ artifact.getVersion());
    }
    repository.deleteVersion(ref);
    File metadataFile=getMetadata(targetPath.getAbsolutePath());
    ArchivaRepositoryMetadata metadata=getMetadata(metadataFile);
    updateMetadata(metadata,metadataFile,lastUpdatedTimestamp,artifact);
    MetadataRepository metadataRepository=repositorySession.getRepository();
    Collection<ArtifactMetadata> artifacts=metadataRepository.getArtifacts(repositoryId,artifact.getGroupId(),artifact.getArtifactId(),artifact.getVersion());
    for (    ArtifactMetadata artifactMetadata : artifacts) {
      if (artifactMetadata.getVersion().equals(artifact.getVersion())) {
        metadataRepository.removeArtifact(artifactMetadata.getRepositoryId(),artifactMetadata.getNamespace(),artifactMetadata.getProject(),artifact.getVersion(),artifactMetadata.getId());
        for (        RepositoryListener listener : listeners) {
          listener.deleteArtifact(metadataRepository,repository.getId(),artifactMetadata.getNamespace(),artifactMetadata.getProject(),artifactMetadata.getVersion(),artifactMetadata.getId());
        }
        triggerAuditEvent(repositoryId,path,AuditEvent.REMOVE_FILE);
      }
    }
    repositorySession.save();
    repositorySession.close();
  }
 catch (  ContentNotFoundException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),400,e);
  }
catch (  RepositoryNotFoundException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),400,e);
  }
catch (  RepositoryException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
catch (  MetadataResolutionException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
catch (  MetadataRepositoryException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
catch (  RepositoryAdminException e) {
    throw new ArchivaRestServiceException("String_Node_Str" + e.getMessage(),500,e);
  }
 finally {
    repositorySession.close();
  }
  return Boolean.TRUE;
}