direction.directHtmlRendering(new JspHtmlRenderingProvider() {
            @Override
            protected String getShowErrorsForwardPath(final ActionRuntime runtime) {
                if (FessAdminAction.class.isAssignableFrom(runtime.getActionType())) {
                    return "/admin/error/error.jsp";
                }
                return "/error/system.jsp";
            }
        });
    }

Args = -H:+AddAllCharsets --enable-http --enable-https --features=okhttp3.internal.graal.OkHttpFeature --report-unsupported-elements-at-runtime...

      // TODO(kevinb): we shouldn't be checking for a null result at runtime. Assert?
      return a == null ? null : checkNotNull(doForward(a));
    } else {
      return unsafeDoForward(a);
    }
  }

  @Nullable A correctedDoBackward(@Nullable B b) {
    if (handleNullAutomatically) {
      // TODO(kevinb): we shouldn't be checking for a null result at runtime. Assert?
      return b == null ? null : checkNotNull(doBackward(b));

    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Set>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    SetFeature[] value() default {};

    SetFeature[] absent() default {};
  }

Homepage: https://github.com/codelibs/fess
Description: Enterprise Search Server: Fess

    assertNotNull(
        rootLocaleFormat("%s must have a @Retention annotation.", annotationClass),
        retentionPolicy);
    assertEquals(
        rootLocaleFormat("%s must have RUNTIME RetentionPolicy.", annotationClass),
        RetentionPolicy.RUNTIME,
        retentionPolicy.value());
    assertNotNull(
        rootLocaleFormat("%s must be inherited.", annotationClass),
        annotationClass.getAnnotation(Inherited.class));

    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super List>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    ListFeature[] value() default {};

    ListFeature[] absent() default {};
  }

    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Multimap>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    MultimapFeature[] value() default {};

    MultimapFeature[] absent() default {};
  }

    private static final String UPLOAD = "upload";

    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);
        runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNamePlugin()));
    }

    /**
     * Returns the action role for this controller.
     *

/**
 * System exception class for the Fess search engine.
 * This exception is thrown when system-level errors occur in the Fess application,
 * such as configuration errors, initialization failures, or critical runtime issues.
 */
public class FessSystemException extends RuntimeException {

    /** Serial version UID for serialization compatibility */
    private static final long serialVersionUID = 1L;

    /**