// Test exception chaining
        Throwable rootCause = new IllegalArgumentException("Invalid argument");
        Throwable intermediateCause = new RuntimeException("Processing failed", rootCause);
        String message = "Plugin operation failed";
        PluginException exception = new PluginException(message, intermediateCause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());

        assertThrows(RuntimeException.class, () -> service.startAsync().awaitRunning());
    assertThat(e).hasCauseThat().isSameInstanceAs(exception);
    assertEquals(1, service.startUpCalled);
    assertEquals(Service.State.FAILED, service.state());
    assertThat(service.transitionStates).containsExactly(Service.State.STARTING);
  }

  public void testStop_withoutStart() {
    TestService service = new TestService();

	ReplicatedSize int64 `json:"replicatedSize"`
	// Total number of completed operations
	ReplicatedCount int64 `json:"replicatedCount"`
	// Failed captures replication errors in various time windows

	Failed madmin.TimedErrStats `json:"failed"`

	XferStats map[RMetricName]XferStats `json:"transferSummary"`
}

// SRMetricsSummary captures summary of replication counts across buckets on site

					t.Errorf("schema %v failed to look up field with dbname %v", s, f.DBName)
				}
			}

			for _, name := range []string{f.DBName, f.Name} {
				if name != "" {
					if field := s.LookUpField(name); field == nil || (field.Name != name && field.DBName != name) {
						t.Errorf("schema %v failed to look up field with dbname %v", s, f.DBName)
					}
				}
			}

			if f.PrimaryKey {
				var found bool

     *
     * @param field the field (must not be {@literal null})
     * @return {@literal true} if it is an instance field
     */
    public static boolean isInstanceField(final Field field) {
        assertArgumentNotNull("field", field);

        return !Modifier.isStatic(field.getModifiers());
    }

    /**
     * Checks if the given field is a public field.
     *

	if err != nil {
		t.Fatalf("write failed: %v", err)
	}
	if n != 64 {
		t.Fatalf("expect write 64 bytes but got %d", n)
	}
	if rb.Free() != 0 {
		t.Fatalf("expect free 0 bytes but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
	}
	buf = make([]byte, 16)
	rb.Read(buf)
	n, err = rb.Write([]byte(strings.Repeat("1234", 4)))
	if err != nil {
		t.Fatalf("write failed: %v", err)
	}
	if n != 16 {

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

                  // This means that the state has changed since we were scheduled. This implies
                  // that an execution of runOneIteration has thrown an exception and we have
                  // transitioned to a failed state, also this means that shutDown has already
                  // been called, so we do not want to call it again.
                  return;
                }
                shutDown();
              } finally {

            } else {
                response.setError(message.getErrorMessage());
                log.warn("Witness registration failed: {}", message.getErrorMessage());
            }

            return response;

        } catch (Exception e) {
            throw new IOException("Witness register RPC failed", e);
        }
    }

    /**
     * Performs witness unregistration.
     *

		t.Errorf("Test %d: %s: Expected to pass, but failed with: <ERROR> %s.", len(testCases)+1, instanceType, actualErr.Error())
	}
	// Failed as expected, but does it fail for the expected reason.
	if actualErr != nil && !testCase.shouldPass {
		if !errors.Is(actualErr, testCase.expectedError) {