#fixed code
                             @Test
	void shouldAuthenticatePullModeWithGeneratedSecretId() {

		String roleId = getRoleId("with-secret-id");
		String secretId = (String) getVaultOperations()
				.write(String.format("auth/approle/role/%s/secret-id", "with-secret-id"),
						null).getRequiredData().get("secret_id");

		AppRoleAuthenticationOptions options = AppRoleAuthenticationOptions.builder()
				.roleId(RoleId.provided(roleId)).secretId(SecretId.provided(secretId))
				.build();
		AppRoleAuthentication authentication = new AppRoleAuthentication(options,
				prepare().getRestTemplate());

		assertThat(authentication.login()).isNotNull();
	}
#vulnerable code 
                             @Test
	void shouldAuthenticatePullModeWithGeneratedSecretId() {

		String roleId = getRoleId("with-secret-id");
		String secretId = (String) getVaultOperations()
				.write(String.format("auth/approle/role/%s/secret-id", "with-secret-id"),
						null).getRequiredData().get("secret_id");

		AppRoleAuthenticationOptions options = AppRoleAuthenticationOptions.builder()
				.roleId(roleId).secretId(secretId).build();
		AppRoleAuthentication authentication = new AppRoleAuthentication(options,
				prepare().getRestTemplate());

		assertThat(authentication.login()).isNotNull();
	} 
                            #location 7 
                            #vulnerability type NULL_DEREFERENCE