通过设置echo提示信息，找到报错执行语句，大家看到报错的真正原因是在于执行这一句：
/usr/lib/jvm/java/bin/java -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Xms512m -Xmx1024m -Xss1024K -XX:PermSize=256m -XX:MaxPermSize=512m -XX:+PrintGCDetails -Xloggc:/logs/gc/9300.gc -Djava.endorsed.dirs=/usr/local/app/apache-tomcat-6.0.37_9300/endorsed -classpath /usr/local/app/apache-tomcat-6.0.37_9300/bin/bootstrap.jar -Dcatalina.base=/usr/local/app/apache-tomcat-6.0.37_9300 -Dcatalina.home=/usr/local/app/apache-tomcat-6.0.37_9300 -Djava.io.tmpdir=/usr/local/app/apache-tomcat-6.0.37_9300/temp org.apache.catalina.startup.Bootstrap stop后报错。1
对于catalina.sh里面的就是这一句：
echo "0000002"
"$_RUNJAVA" $LOGGING_MANAGER $JAVA_OPTS \
-Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
-Dcatalina.base="$CATALINA_BASE" \
-Dcatalina.home="$CATALINA_HOME" \
-Djava.io.tmpdir="$CATALINA_TMPDIR" \
org.apache.catalina.startup.Bootstrap "$@" stop
echo "0000003"
3.3.2 再次等5分钟，再bash -x看执行详细过程：
[root@ptbin]# bash -x catalina.sh stop
+ JAVA_OPTS='-Xms512m -Xmx1024m -Xss1024K -XX:PermSize=256m -XX:MaxPermSize=512m -XX:+PrintGCDetails -Xloggc:/logs/gc/9300.gc'
+ CATALINA_PID=/var/tomcat/9300.pid
+ cygwin=false
+ os400=false
+ darwin=false
+ case "`uname`" in
++ uname
+ PRG=catalina.sh
+ '[' -h catalina.sh ']'
++ dirname catalina.sh
+ PRGDIR=.
+ '[' -z '' ']'
++ cd ./..
++ pwd
+ CATALINA_HOME=/usr/local/app/apache-tomcat-6.0.37_9300
+ '[' -z '' ']'
+ CATALINA_BASE=/usr/local/app/apache-tomcat-6.0.37_9300
+ CLASSPATH=
+ '[' -r /usr/local/app/apache-tomcat-6.0.37_9300/bin/setenv.sh ']'
+ '[' -r /usr/local/app/apache-tomcat-6.0.37_9300/bin/setenv.sh ']'
+ false
+ false
+ false
+ '[' -r /usr/local/app/apache-tomcat-6.0.37_9300/bin/setclasspath.sh ']'
+ BASEDIR=/usr/local/app/apache-tomcat-6.0.37_9300
+ . /usr/local/app/apache-tomcat-6.0.37_9300/bin/setclasspath.sh
++ '[' -z /usr/lib/jvm/java -a -z '' ']'
++ '[' -z /usr/lib/jvm/java -a stop = debug ']'
++ '[' -z '' ']'
++ JRE_HOME=/usr/lib/jvm/java
++ '[' stop = debug ']'
++ '[' -z /usr/local/app/apache-tomcat-6.0.37_9300 ']'
++ '[' '!' -x /usr/local/app/apache-tomcat-6.0.37_9300/bin/setclasspath.sh ']'
++ '[' -z '' ']'
++ JAVA_ENDORSED_DIRS=/usr/local/app/apache-tomcat-6.0.37_9300/endorsed
++ JIKESPATH=
+++ uname -s
++ '[' Linux = Darwin ']'
++ _RUNJAVA=/usr/lib/jvm/java/bin/java
++ '[' false '!=' true ']'
++ _RUNJDB=/usr/lib/jvm/java/bin/jdb
+ '[' -z /usr/local/app/apache-tomcat-6.0.37_9300 ']'
+ '[' '!' -z '' ']'
+ '[' /usr/local/app/apache-tomcat-6.0.37_9300 '!=' /usr/local/app/apache-tomcat-6.0.37_9300 ']'
+ CLASSPATH=/usr/local/app/apache-tomcat-6.0.37_9300/bin/bootstrap.jar
+ '[' -z '' ']'
+ CATALINA_OUT=/usr/local/app/apache-tomcat-6.0.37_9300/logs/catalina.out
+ '[' -z '' ']'
+ CATALINA_TMPDIR=/usr/local/app/apache-tomcat-6.0.37_9300/temp
+ have_tty=0
++ tty
+ '[' /dev/pts/1 '!=' 'not a tty' ']'
+ have_tty=1
+ false
+ '[' -z '' ']'
+ '[' -r /usr/local/app/apache-tomcat-6.0.37_9300/conf/logging.properties ']'
+ LOGGING_CONFIG=-Djava.util.logging.config.file=/usr/local/app/apache-tomcat-6.0.37_9300/conf/logging.properties
+ '[' -z '' ']'
+ LOGGING_MANAGER=-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
+ '[' 1 -eq 1 ']'
+ echo 'Using CATALINA_BASE: /usr/local/app/apache-tomcat-6.0.37_9300'
Using CATALINA_BASE: /usr/local/app/apache-tomcat-6.0.37_9300
+ echo 'Using CATALINA_HOME: /usr/local/app/apache-tomcat-6.0.37_9300'
Using CATALINA_HOME: /usr/local/app/apache-tomcat-6.0.37_9300
+ echo 'Using CATALINA_TMPDIR: /usr/local/app/apache-tomcat-6.0.37_9300/temp'
Using CATALINA_TMPDIR: /usr/local/app/apache-tomcat-6.0.37_9300/temp
+ '[' stop = debug ']'
+ echo 'Using JRE_HOME: /usr/lib/jvm/java'
Using JRE_HOME: /usr/lib/jvm/java
+ echo 'Using CLASSPATH: /usr/local/app/apache-tomcat-6.0.37_9300/bin/bootstrap.jar'
Using CLASSPATH: /usr/local/app/apache-tomcat-6.0.37_9300/bin/bootstrap.jar
+ '[' '!' -z /var/tomcat/9300.pid ']'
+ echo 'Using CATALINA_PID: /var/tomcat/9300.pid'
Using CATALINA_PID: /var/tomcat/9300.pid
+ '[' stop = jpda ']'
+ '[' stop = debug ']'
+ '[' stop = run ']'
+ '[' stop = start ']'
+ '[' stop = stop ']'
+ shift
+ SLEEP=5
+ '[' '!' -z '' ']'
+ FORCE=0
+ '[' '' = -force ']'
+ '[' '!' -z /var/tomcat/9300.pid ']'
+ '[' -f /var/tomcat/9300.pid ']'
+ '[' -s /var/tomcat/9300.pid ']'
++ cat /var/tomcat/9300.pid
+ kill -0 23685
+ '[' 0 -gt 0 ']'
+ echo 0000002
0000002
+ /usr/lib/jvm/java/bin/java -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Xms512m -Xmx1024m -Xss1024K -XX:PermSize=256m -XX:MaxPermSize=512m -XX:+PrintGCDetails -Xloggc:/logs/gc/9300.gc -Djava.endorsed.dirs=/usr/local/app/apache-tomcat-6.0.37_9300/endorsed -classpath /usr/local/app/apache-tomcat-6.0.37_9300/bin/bootstrap.jar -Dcatalina.base=/usr/local/app/apache-tomcat-6.0.37_9300 -Dcatalina.home=/usr/local/app/apache-tomcat-6.0.37_9300 -Djava.io.tmpdir=/usr/local/app/apache-tomcat-6.0.37_9300/temp org.apache.catalina.startup.Bootstrap stop
+ echo 0000003
0000003
+ '[' '!' -z /var/tomcat/9300.pid ']'
+ echo CATALINA_PID:/var/tomcat/9300.pid
CATALINA_PID:/var/tomcat/9300.pid
+ '[' -f /var/tomcat/9300.pid ']'
+ '[' 5 -ge 0 ']'
++ cat /var/tomcat/9300.pid
+ kill -0 23685
+ '[' 0 -gt 0 ']'
+ '[' 5 -gt 0 ']'
+ sleep 1
+ '[' 5 -eq 0 ']'
++ expr 5 - 1
+ SLEEP=4
+ '[' 4 -ge 0 ']'
++ cat /var/tomcat/9300.pid
+ kill -0 23685
+ '[' 0 -gt 0 ']'
+ '[' 4 -gt 0 ']'
+ sleep 1
+ '[' 4 -eq 0 ']'
++ expr 4 - 1
+ SLEEP=3
+ '[' 3 -ge 0 ']'
++ cat /var/tomcat/9300.pid
+ kill -0 23685
+ '[' 0 -gt 0 ']'
+ '[' 3 -gt 0 ']'
+ sleep 1
+ '[' 3 -eq 0 ']'
++ expr 3 - 1
+ SLEEP=2
+ '[' 2 -ge 0 ']'
++ cat /var/tomcat/9300.pid
+ kill -0 23685
+ '[' 0 -gt 0 ']'
+ '[' 2 -gt 0 ']'
+ sleep 1
+ '[' 2 -eq 0 ']'
++ expr 2 - 1
+ SLEEP=1
+ '[' 1 -ge 0 ']'
++ cat /var/tomcat/9300.pid
+ kill -0 23685
+ '[' 1 -gt 0 ']'
+ rm -f /var/tomcat/9300.pid
+ '[' 0 '!=' 0 ']'
+ break
+ '[' 0 -eq 1 ']'1
对比下3.3.1代码报错的代码以及bash执行结果命令，
"$_RUNJAVA" $LOGGING_MANAGER $JAVA_OPTS \
-Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
-Dcatalina.base="$CATALINA_BASE" \
-Dcatalina.home="$CATALINA_HOME" \
-Djava.io.tmpdir="$CATALINA_TMPDIR" \
org.apache.catalina.startup.Bootstrap "$@" stop