[Demonstration 1]

[Buggy Method]
@Around(value = "@annotation(audit)", argNames = "audit")
public Object handleAuditTrail(final ProceedingJoinPoint joinPoint, final Audit audit) throws Throwable {
    final AuditActionResolver auditActionResolver = this.auditActionResolvers.get(audit.actionResolverName());
    final AuditResourceResolver auditResourceResolver = this.auditResourceResolvers.get(audit.resourceResolverName());
    String currentPrincipal = null;
    String[] auditResource = new String[] { null };
    String action = null;
    Object retVal = null;
    try {
        retVal = joinPoint.proceed();
        currentPrincipal = this.auditPrincipalResolver.resolveFrom(joinPoint, retVal);
        auditResource = auditResourceResolver.resolveFrom(joinPoint, retVal);
        action = auditActionResolver.resolveFrom(joinPoint, retVal, audit);
        return retVal;
    } catch (final Exception e) {
        currentPrincipal = this.auditPrincipalResolver.resolveFrom(joinPoint, e);
        auditResource = auditResourceResolver.resolveFrom(joinPoint, e);
        action = auditActionResolver.resolveFrom(joinPoint, e, audit);
        throw e;
    } finally {
        executeAuditCode(currentPrincipal, auditResource, joinPoint, retVal, action, audit);
    }
}

[Buggy Hunk]
} catch (final Exception e) {

[Patch]
} catch (final Throwable e) {

[Demonstration 2]

[Buggy Method]
public void checkAlert() {
    try {
        Thread.sleep(LOAD_WAIT_TIME);
        Alert alert = driver.switchTo().alert();
        alert.accept();
    } catch (Exception e) {
        assertFalse(e.getMessage(), true);
    }
}

[Buggy Hunk]
Thread.sleep(LOAD_WAIT_TIME);

[Patch]
Thread.sleep(LOAD_WAIT_TIME * 2);

[Demonstration 3]

[Buggy Method]
public static Result service(String ownerName, String projectName, String service, boolean isAdvertise) throws IOException, UnsupportedOperationException, ServletException {
    if (!isSupportedService(service)) {
        return forbidden(String.format("Unsupported service: '%s'", service));
    }
    Project project = Project.findByOwnerAndProjectName(ownerName, projectName);
    if (project == null) {
        return notFound();
    }
    models.User user = UserApp.currentUser();
    if (!isAllowed(project, service)) {
        if (user.isAnonymous()) {
            return BasicAuthAction.unauthorized(response());
        } else {
            // If you want the Git client showing your custom message to
            // the user, the Content-Type should be exact "text/plain"
            // without any parameter. For more details, see the code at
            // https://github.com/git/git/commit/426e70d4a11ce3b4f70636d57c6a0ab16ae08a00#diff-eea0ad565ec5903a11b6023755d491cfR154
            response().setHeader("Content-Type", "text/plain");
            return forbidden(String.format("'%s' has no permission to '%s/%s'.", user.name, ownerName, projectName));
        }
    }
    if (isAdvertise) {
        return ok(RepositoryService.gitAdvertise(project, service, response()));
    } else {
        if (request().body().isMaxSizeExceeded()) {
            return status(REQUEST_ENTITY_TOO_LARGE);
        } else {
            user.visits(project);
            return ok(RepositoryService.gitRpc(project, service, request(), response()));
        }
    }
}

[Buggy Hunk]
user.name, ownerName, projectName));

[Patch]
user.loginId, ownerName, projectName));