Что пишет verificator.log?
Сообщения ядра критические есть?
1. Переставьте админку заново и попробуйте на другом компе с java версия которой точно работала.
2. Рестарт ядра пробывали? Заодно увидим ругалки.
Спасибо за быстрый ответ! Попробовал перезапустить ядро, оказалось, что ошибок очень много скопилось. Вот отрывки из verificator.log
-- ERROR broken ip traffic link 40771, ip group 9296 not exist
-- SQL DESC delete slink (NOT RECOMMENDED)
-- UPDATE iptraffic_service_links SET is_deleted=1 WHERE id='40771';
-- ERROR service link 14798 refer to user 0 which not exist
-- SQL DESC no sql, delete slink or create user
-- ERROR unexpected row in periodic_service_links with id 40768
-- SQL DESC delete row (NOT RECOMMENDED)
-- UPDATE periodic_service_links SET is_deleted=1 WHERE id='40768';
-- WARNING tariff 454 doesn't exist in tariffs, but exist in tariffs_services_link
-- SQL DESC delete row in tariffs_services_link (NOT RECOMMENDED)
-- UPDATE tariffs_services_link SET is_deleted=1 WHERE tariff_id='454';
-- ERROR credit 1183 refer to account 140008925 which not exist
-- SQL DESC delete credit
UPDATE credits SET is_passed=1 WHERE id='1183';
-- ERROR only one credit 12408 for account 140020084
-- SQL DESC delete credit
UPDATE credits SET is_passed=1 WHERE id='12408';
-- ERROR credit 13093 refer to account 140021803 which not exist
-- SQL DESC delete credit
UPDATE credits SET is_passed=1 WHERE id='13093';
-- ERROR credit 13093 refer to account 140021803 which not exist
-- SQL DESC delete credit
UPDATE credits SET is_passed=1 WHERE id='13093';
-- ERROR User 140003186 have basic account 140003887, but account 140003887 deleted
-- SQL DESC undelete account
UPDATE accounts SET is_deleted=0 WHERE id='140003887';
-- ERROR tariff plan 454 not exists in service 922
-- SQL DESC unlink service from tariff (NOT RECOMMENDED)
-- UPDATE services_data SET parent_service_id='0' WHERE id='922';
-- UPDATE services_data SET tariff_id='0' WHERE id='922';
-- ERROR strange row in service_links with id 40770 (no row in periodic_service_links, iptraffic_service_links, dialup_service_links,
-- SQL DESC delete row
-- UPDATE service_links SET is_deleted=1 WHERE id='40770';
-- UPDATE periodic_service_links SET is_deleted=1 WHERE id='40770';
-- ERROR Periodic link 40770 linked to deleted discount period 15
-- SQL DESC undelete discount period
UPDATE discount_periods SET is_expired=0 WHERE id='15';
-- ERROR link 40770, account tariff link id 26233, not equal discount period ids
-- SQL DESC delete broken link (NOT RECOMMENDED)
-- UPDATE service_links SET is_deleted=1 WHERE id='40770';
-- UPDATE periodic_service_links SET is_deleted=1 WHERE id='40770';
-- ERROR strange row in service_links with id 40772 (no row in periodic_service_links, iptraffic_service_links, dialup_service_links,
-- SQL DESC delete row
-- UPDATE service_links SET is_deleted=1 WHERE id='40772';
-- UPDATE periodic_service_links SET is_deleted=1 WHERE id='40772';
Судя по всему у Вас немного покрашилась база. Рекомендую на тестовой копии экспериментировать. Да и при желании перейти на последнюю ветку. Возможно 5.2.1-007 скоро лишится официальной ТП.