hi, i want to use kibana reporting pdf dashbord, but i got follow error
and i foudn error logs in my kibana log:
{"type":"error","@timestamp":"2019-02-17T07:03:46Z","tags":["warning","process"],"pid":18769,"level":"error","error":{"message":"Error: socket hang up\n at createHangUpError (_http_client.js:322:15)\n at Socket.socketOnEnd (_http_client.js:425:23)\n at Socket.emit (events.js:187:15)\n at endReadableNT (_stream_readable.js:1094:12)\n at process._tickCallback (internal/process/next_tick.js:63:19)","name":"UnhandledPromiseRejectionWarning","stack":"UnhandledPromiseRejectionWarning: Error: socket hang up\n at createHangUpError (_http_client.js:322:15)\n at Socket.socketOnEnd (_http_client.js:425:23)\n at Socket.emit (events.js:187:15)\n at endReadableNT (_stream_readable.js:1094:12)\n at process._tickCallback (internal/process/next_tick.js:63:19)\n at emitWarning (internal/process/promises.js:81:15)\n at emitPromiseRejectionWarnings (internal/process/promises.js:120:9)\n at process._tickCallback (internal/process/next_tick.js:69:34)"},"message":"Error: socket hang up\n at createHangUpError (_http_client.js:322:15)\n at Socket.socketOnEnd (_http_client.js:425:23)\n at Socket.emit (events.js:187:15)\n at endReadableNT (_stream_readable.js:1094:12)\n at process._tickCallback (internal/process/next_tick.js:63:19)"}
{"type":"error","@timestamp":"2019-02-17T07:03:46Z","tags":["warning","process"],"pid":18769,"level":"error","error":{"message":"Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 3)","name":"UnhandledPromiseRejectionWarning","stack":"Error: socket hang up\n at createHangUpError (_http_client.js:322:15)\n at Socket.socketOnEnd (_http_client.js:425:23)\n at Socket.emit (events.js:187:15)\n at endReadableNT (_stream_readable.js:1094:12)\n at process._tickCallback (internal/process/next_tick.js:63:19)"},"message":"Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 3)"}
and error log in chrome_debug.log as follows:
[0217/124726.158736:WARNING:resource_bundle.cc(358)] locale_file_path.empty() for locale
[0217/124726.158900:INFO:cpu_info.cc(46)] Available number of cores: 24
[0217/124726.158935:VERBOSE1:zygote_main_linux.cc(217)] ZygoteMain: initializing 0 fork delegates
[0217/124726.180343:WARNING:resource_bundle.cc(358)] locale_file_path.empty() for locale
[0217/124726.180742:ERROR:egl_util.cc(59)] Failed to load GLES library: /usr/local/kibana-6.6.0-linux-x86_64/data/headless_shell-linux/swiftshader/libGLESv2.so: cannot open shared object file: No such file or directory
[0217/124726.180772:VERBOSE1:gpu_init.cc(238)] gl::init::InitializeGLNoExtensionsOneOff failed
[0217/124726.182461:ERROR:viz_main_impl.cc(184)] Exiting GPU process due to errors during initialization
[0217/124726.182900:VERBOSE1:statistics_recorder.cc(410)] Collections of all histograms
could anyone help this? many thanks.