type Exception report
message Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; wait millis 3000, active 50; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 3000, active 50
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; wait millis 3000, active 50; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 3000, active 50
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:948)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838)
javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
com.wa.framework.log.AccessLogFilter.doFilter(AccessLogFilter.java:109)
com.wa.framework.web.SecurityFilter.doFilter(SecurityFilter.java:93)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
root cause