if err := DB.Migrator().DropTable(allModels...); err != nil {
		t.Fatalf("Failed to drop table, got error %v", err)
	}

	if err := DB.AutoMigrate(allModels...); err != nil {
		t.Fatalf("Failed to auto migrate, got error %v", err)
	}

	if tables, err := DB.Migrator().GetTables(); err != nil {
		t.Fatalf("Failed to get database all tables, but got error %v", err)
	} else {

	if _, err := io.ReadFull(rand.Reader, data); err != nil {
		t.Fatalf("Failed to read random data: %v", err)
	}
	for i, test := range erasureEncodeDecodeTests {
		buffer := make([]byte, len(data), 2*len(data))
		copy(buffer, data)

		erasure, err := NewErasure(context.Background(), test.dataBlocks, test.parityBlocks, blockSizeV2)
		if err != nil {
			t.Fatalf("Test %d: failed to create erasure: %v", i, err)
		}

			if test.expectedErr != nil && actualErr != test.expectedErr {
				t.Errorf("Expected to fail with %s, but failed with %s", test.expectedErr, actualErr)
			}
			if test.expectedErr == nil && actualErr != nil {
				t.Errorf("Expected to pass, but failed with %s", actualErr)
			}
		})
	}
	// Cleanup backend directories
	removeRoots(fsDirs)
}

	if err != nil {
		t.Fatalf("Failed to decode master key: %v", err)
	}
	KMS, err := kms.NewBuiltin("my-key", key)
	if err != nil {
		t.Fatalf("Failed to create KMS: %v", err)
	}

	for i, test := range encryptDecryptTests {
		ciphertext, err := Encrypt(KMS, bytes.NewReader(test.Data), test.Context)
		if err != nil {
			t.Fatalf("Test %d: failed to encrypt stream: %v", i, err)
		}

            catch ( SmbException e ) {
                log.debug("Failed to connect tree on retry", e);
                last = e;
            }
        }

        if ( last != null ) {
            log.debug("All attempts have failed, last exception", last);
            throw last;
        }
        throw new SmbException("All attempts failed, but no exception");
    }

     *     state with the exception of {@linkplain State#FAILED FAILED} and {@linkplain
     *     State#TERMINATED TERMINATED}.
     */
    public void terminated(State from) {}

    /**
     * Called when the service transitions to the {@linkplain State#FAILED FAILED} state. The
     * {@linkplain State#FAILED FAILED} state is a terminal state in the transition diagram.

		Find(&personAddressInfoList).Error; err != nil {
		t.Errorf("Failed to run join query, got error: %v", err)
	}

	personMatched := false
	addressMatched := false

	for _, info := range personAddressInfoList {
		if info.Person == nil {
			t.Fatalf("Failed, expected not nil, got person nil")
		}
		if info.Address == nil {
			t.Fatalf("Failed, expected not nil, got address nil")
		}

		t.Fatalf("failed to auto migrate, got error: %v", err)
	}

	for _, name := range []string{"author_id", "author_name", "author_email"} {
		if !DB.Migrator().HasColumn(&EngadgetPost{}, name) {
			t.Errorf("should has prefixed column %v", name)
		}
	}

	stmt := gorm.Statement{DB: DB}
	if err := stmt.Parse(&EngadgetPost{}); err != nil {
		t.Fatalf("failed to parse embedded struct")

		}
	}()
	if err := tx.Error; err != nil {
		t.Errorf("Failed to start transaction, got error %v\n", err)
	}

	if err := tx.Where("name=?", "zzjin").Delete(&User{}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

	if err := tx.Create(&User{Name: "zzjin"}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

            }
        } catch (final Exception e) {
            logger.error("Failed to purge user info.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // update job logs
        try {
            jobLogService.updateStatus();
        } catch (final Exception e) {
            logger.error("Failed to purge job logs.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }