org.springframework.dao.DataAccessResourceFailureException: PreparedStatementCallback; SQL [SELECT form_type, .....  FROM form WHERE aa = ?]; Io exception: Connection timed out; nested exception is java.sql.SQLException: Io exception: Connection timed out
       at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.translate(SQLErrorCodeSQLExceptionTranslator.java:284)
       at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:582)
       at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:616)
       at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:645)
       at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:653)
       at net.therap.grid.service.MemoryStoreService.getFormSummary(MemoryStoreService.java:125)
       at net.therap.grid.service.LogBookWorklistServiceImpl.getCounts(LogBookWorklistServiceImpl.java:140)
       at sun.reflect.GeneratedMethodAccessor97.invoke(Unknown Source)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
       at java.lang.reflect.Method.invoke(Method.java:585)
       at