Error 500: Hibernate operation: could not execute query; uncategorized SQLException for SQL [select exmessage0_.MSG_ID as MSG1_420_, exmessage0_.MSG_KIND as MSG2_420_, exmessage0_.MSG_LINK_USER as MSG3_420_, exmessage0_.MSG_LINK_ARTICLE as MSG4_420_, exmessage0_.MSG_LINK_ALBUM as MSG5_420_, exmessage0_.MSG_DATE as MSG6_420_, exmessage0_.MSG_TITLE as MSG7_420_, exmessage0_.MSG_CONTENT as MSG8_420_, exmessage0_.MSG_SENDER_ID as MSG9_420_, exmessage0_.MSG_SENDER_NAME as MSG10_420_, exmessage0_.MSG_INCEPT_ID as MSG11_420_, exmessage0_.MSG_INCEPT_NAME as MSG12_420_, exmessage0_.MSG_READ_DATE as MSG13_420_, exmessage0_.MSG_ANONYMITY as MSG14_420_, exmessage0_.MSG_STATUS as MSG15_420_, exmessage0_.MSG_JUDEG as MSG16_420_ from DB2INST1.EX_MESSAGE exmessage0_ where (exmessage0_.MSG_KIND=0 or exmessage0_.MSG_KIND=10) and exmessage0_.MSG_ANONYMITY=0 and exmessage0_.MSG_SENDER_ID='10531003-80618111' order by exmessage0_.MSG_ID desc]; SQL state [57011]; error code [-912]; The maximum number of lock requests has been reached for the database.. SQLCODE=-912, SQLSTATE=57011, DRIVER=3.57.82; nested exception is com.ibm.db2.jcc.am.SqlException: The maximum number of lock requests has been reached for the database.. SQLCODE=-912, SQLSTATE=57011, DRIVER=3.57.82