cronolog分割tomcat的catalina.out日志

tomcat日志catalina.out默认不会分割，随着运行时间越来越长,不仅查询日志麻烦，而且还会影响日志的写入速度，影响系统的正常使用，本文讲解如何使用cronolog工具对其进行分割。

1：下载cronolog

cronolog-1.6.2.tar.gz

2：安装cronolog

3：修改Tomcat的catalina.sh文件

（1）第一处

将

if [ -z "$CATALINA_OUT" ] ; then CATALINA_OUT="$CATALINA_BASE"/logs/catalina.outfi
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修改为

if [ -z "$CATALINA_OUT" ] ; then CATALINA_OUT="$CATALINA_BASE"/logs/catalina.%Y-%m-%d.outfi
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(2)第二处

注释 touch “$CATALINA_OUT”，约370行

# touch "$CATALINA_OUT"
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(3)第三处

将

if [ "$1" = "-security" ] ; then if [ $have_tty -eq 1 ]; then echo "Using Security Manager" fi shift eval "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="\"$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 \ >> "$CATALINA_OUT" 2>&1 "&" else eval "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="\"$JAVA_ENDORSED_DIRS\"" -classpath "\"$CLASSPATH\"" \ -Dcatalina.base="\"$CATALINA_BASE\"" \ -Dcatalina.home="\"$CATALINA_HOME\"" \ -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \ org.apache.catalina.startup.Bootstrap "$@" start \ >> "$CATALINA_OUT" 2>&1 "&" fi
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修改为：

 if [ "$1" = "-security" ] ; then if [ $have_tty -eq 1 ]; then echo "Using Security Manager" fi shift eval "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="\"$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 "$CATALINA_OUT" & else eval "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \ -Djava.endorsed.dirs="\"$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_OUT" & fi
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4：重启tomcat

可以看到tomcat的logs目录下，已经按日期生成了catalina日志文件。