shell脚本中远程执行kill命令不生效问题

需求大致如下
1、a b c 3台服务器
2、在a上ssh到b上，b在ssh到c，查找到c上面特定的进程pid
3、在a上ssh到b上，b在ssh到c，kill掉上面步骤中找到的进程

需求1和2 已经实现，需求3 kill会有问题
执行kill命令的时候，是在b机器而不是c机器了
xargs和管道前面的，却都是在c执行的，进程号也能获取到了
大家看看有什么改进办法

#远程ssh执行片段代码
                echo -e "\n\n\n\n"
                PID1=$(ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "ps -ef | grep -v grep
| grep tail  | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}'")
                echo -e ">>>>>>>>>>>>>>>>$PID1"
                ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "echo $PID1 | xargs kill -9"
                echo -e "status is >>>>>>>>>>$?"
 
 
#尝试kill进程代码片段，注释行都无法kill进程
#ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "ps -ef | grep -v grep | grep
 tail | grep "$PWD/$PROJECT/$FILE" | cut -d' ' -f 5 | xargs -i kill {}"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "ps -ef | grep -v grep | grep
 tail | grep "$PWD/$PROJECT/$FILE" | cut -d' ' -f 5 | xargs kill"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "kill -9 $(echo $PID1)"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "echo $PID1 | xargs kill -9"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "kill -9 $PID1"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP kill -9 "$PID1"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh tomcat@$IP "kill -9 ${PID1}"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh tomcat@$IP ". /etc/profile && kill -9 ${PID
1}"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "kill -9 $(ps -ef | grep -v g
rep | grep tail | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}')"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "kill -9 `ps -ef | grep -v gr
ep | grep tail | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}'`"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "source /home/tomcat/.bash_pr
ofile && /bin/kill -9 "$PID1""
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "source /home/tomcat/.bash_pr
ofile &&  ps -ef | grep -v grep | grep tail | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}' | xargs kill -9"
                #$(ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "ps -ef | grep -v grep | gr
ep tail  | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}' | xargs kill -9")
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "ps -ef | grep -v grep | grep
 tail | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}' | xargs kill -9"
                #ssh -A -t -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no tomcat@192.168.10.56 ssh -A tomcat@$IP "ps -ef | grep -v grep | grep
 tail | grep "$PWD/$PROJECT/$FILE" | awk '{print \$2}' | xargs -i kill {}"