I got this message several times while trying to print a PDF report, but 2 hours later it seems to be fixed and working fine. Why should that happen?
Technical Info (only visible for developers)
is_internal_error: true
apex_error_code: APEX.UNHANDLED_ERROR
ora_sqlcode: -29273
ora_sqlerrm: ORA-29273: HTTP request failed ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 1182 ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 782 ORA-12541: TNS:no listener ORA-06512: at "SYS.UTL_HTTP", line 380 ORA-06512: at "SYS.UTL_HTTP", line 1148 ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 756 ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 1023 ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 1438 ORA-06512: at "APEX_220100.WWV_FLOW_WEBSERVICES_API", line 612 ORA-06512: at "APEX_220100.WWV_FLOW_PRINT_UTIL", line 789 ORA-06512: at "APEX_220100.WWV_FLOW_RENDER_QUERY", line 1842 ORA-06512: at "APEX_220100.WWV_FLOW_RENDER_QUERY", line 1930
component.type: APEX_APPLICATION_PAGES
component.id: 99666000000000
component.name: Global Page - Desktop
error_backtrace:
ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 1182
ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 782
ORA-06512: at "SYS.UTL_HTTP", line 380
ORA-06512: at "SYS.UTL_HTTP", line 1148
ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 756
ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 1023
ORA-06512: at "APEX_220100.WWV_FLOW_WEB_SERVICES", line 1438
ORA-06512: at "APEX_220100.WWV_FLOW_WEBSERVICES_API", line 612
ORA-06512: at "APEX_220100.WWV_FLOW_PRINT_UTIL", line 789
ORA-06512: at "APEX_220100.WWV_FLOW_RENDER_QUERY", line 1842
ORA-06512: at "APEX_220100.WWV_FLOW_RENDER_QUERY", line 1930
ORA-06512: at "APEX_220100.WWV_FLOW", line 2980