cat teste.log | sed -n -e '/ERROR \[/,/\.\.\. [0-9]* more$/ p'
cat teste.log | sed -n -e '/ERROR \[/,/\.\.\. [0-9]* more$/ p' | while read x ; do echo $x ; done
tail -f teste.log | sed -n -e '/ERROR \[/,/\.\.\. [0-9]* more$/ p'
cat example.log | awk '/ERROR \[/,/\.\.\. [0-9]* more$|^$/'
cat teste.log | awk '/ERROR \[/,/\.\.\. [0-9]* more$/'
cat teste.log | grep -P '(?:\S+?Exception|ERROR \[|\h+at ([a-z]+\.)*)'
tail -f teste.log | grep -P '(?:\S+?Exception|ERROR \[|\h+at ([a-z]+\.)*)'
grep -P '(?:\S+?Exception|ERROR \[|\h+at ([a-z|A-Z]+\.)*)' example.log