if (crawlingInfo == null) {
            crawlingInfo = new CrawlingInfo(sessionId);
            try {
                getCrawlingInfoService().store(crawlingInfo);
            } catch (final Exception e) {
                throw new FessSystemException("No crawling session.", e);
            }
        }

        if (infoMap != null) {

      fail(message);
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void expectReturnsFalseOrThrows(Target target) {
    String message = Platform.format("retainAll(%s) should return false or throw", target);
    try {
      assertFalse(message, collection.retainAll(target.toRetain));
    } catch (UnsupportedOperationException tolerated) {
    }
  }

                        Files.writeString(tmpPom, interpolatedPom);
                        artifact = artifact.setPath(tmpPom);
                    }
                } catch (IOException e) {
                    throw new UncheckedIOException(e);
                }
            }
            newArtifacts.add(artifact);
        }
        return newArtifacts;
    }

      assertTrue(observed.contains(striped.get(new Object())));
    }

    try {
      striped.getAt(-1);
      fail();
    } catch (RuntimeException expected) {
    }

    try {
      striped.getAt(striped.size());
      fail();
    } catch (RuntimeException expected) {
    }
  }

  public void testMaxSize() {
    for (Striped<?> striped :
        ImmutableList.of(

      assertTrue(observed.contains(striped.get(new Object())));
    }

    try {
      striped.getAt(-1);
      fail();
    } catch (RuntimeException expected) {
    }

    try {
      striped.getAt(striped.size());
      fail();
    } catch (RuntimeException expected) {
    }
  }

  public void testMaxSize() {
    for (Striped<?> striped :
        ImmutableList.of(

            PluginDescriptor pluginDescriptor = mojoDescriptor.getPluginDescriptor();
            return getMavenSession().getPluginContext(pluginDescriptor, ((DefaultProject) project).getProject());
        } catch (LookupException e) {
            throw new MavenException("The PluginContext is only available during a mojo execution", e);
        }
    }

    @Override

      assertFalse(getMap().entrySet().contains(mapEntry(IncomparableType.INSTANCE, v0())));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

  public void testContainsEntryWithIncomparableValue() {
    try {
      assertFalse(getMap().entrySet().contains(mapEntry(k0(), IncomparableType.INSTANCE)));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

      assertFalse(getMap().entrySet().contains(mapEntry(IncomparableType.INSTANCE, v0())));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

  public void testContainsEntryWithIncomparableValue() {
    try {
      assertFalse(getMap().entrySet().contains(mapEntry(k0(), IncomparableType.INSTANCE)));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

///

{* ../../docs_src/dependencies/tutorial008b_an_py310.py hl[18:22,31] *}

If you want to catch exceptions and create a custom response based on that, create a [Custom Exception Handler](../handling-errors.md#install-custom-exception-handlers).

## Dependencies with `yield` and `except` { #dependencies-with-yield-and-except }

   * its connection.
   */
  private fun launchTcpConnect(): ConnectResult? {
    val plan =
      when {
        routePlanner.hasNext() -> {
          try {
            routePlanner.plan()
          } catch (e: Throwable) {
            FailedPlan(e)
          }
        }

        else -> {
          return null
        } // Nothing further to try.
      }