利用cronolog切割tomcat日志

  if [ "$1" = "-security" ] ; then
    echo "Using Security Manager"
    shift
    "$_RUNJAVA" $JAVA_OPTS "$LOGGING_CONFIG" $CATALINA_OPTS \
      -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
      -Djava.security.manager \
      -Djava.security.policy=="$CATALINA_BASE"/conf/catalina.policy \
      -Dcatalina.base="$CATALINA_BASE" \
      -Dcatalina.home="$CATALINA_HOME" \
      -Djava.io.tmpdir="$CATALINA_TMPDIR" \
      org.apache.catalina.startup.Bootstrap "$@" start 2>&1 \
      |/usr/local/sbin/cronolog "$CATALINA_BASE"/logs/catalina.%Y-%m-%d.out >> /dev/null &

        
      if [ ! -z "$CATALINA_PID" ]; then
      #  echo $! > $CATALINA_PID
        $JAVA_HOME/bin/jps | grep "Bootstrap" | cut -d " " -f 1 > $CATALINA_PID

      fi
  else
    "$_RUNJAVA" $JAVA_OPTS "$LOGGING_CONFIG" $CATALINA_OPTS \ 
      -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
      -Dcatalina.base="$CATALINA_BASE" \ 
      -Dcatalina.home="$CATALINA_HOME" \ 
      -Djava.io.tmpdir="$CATALINA_TMPDIR" \ 
      org.apache.catalina.startup.Bootstrap "$@" start 2>&1 \
      |/usr/local/sbin/cronolog "$CATALINA_BASE"/logs/catalina.%Y-%m-%d.out >> /dev/null &

  
      if [ ! -z "$CATALINA_PID" ]; then
      #  echo $! > $CATALINA_PID
        $JAVA_HOME/bin/jps | grep "Bootstrap" | cut -d " " -f 1 > $CATALINA_PID

      fi
  fi 

 先需要安装cronolog,这里不多讲,我举例是切割的tomcat的catalina.out,因为这个日志平时记录tomcat的标准输出和错误,异常等输出信息,实在太大,目的要达到按天切分这个日志,按日期一天生成一个,修改tomcat/bin/catalina.sh,其中红色代码为修改后的用cronolog去按天切分这个日志,绿色部分是为了输出tomcat进程id时候能确保在存在多个tomcat的前提下不会出现进程id不是当前tomcat进程的问题。

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