General Script 2 for starting java programs in linux, linuxjava
1. start. sh
#! /Bin/bash
Cd 'dirname $0'
BIN_DIR = 'pwd'
Cd ..
DEPLOY_DIR = 'pwd'
CONF_DIR = $ DEPLOY_DIR/conf
SERVER_NAME = 'sed '/server. name /! D; s/. * = // 'conf/server. properties | tr-d' \ r''
SERVER_PORT = 'sed '/server. netty. port /! D; s/. * = // 'conf/server. properties | tr-d' \ r''
If [-z "$ SERVER_NAME"]; then
SERVER_NAME = 'hostname'
Fi
PIDS = 'ps -- no-heading-C java-f -- width 1000 | grep "$ CONF_DIR" | awk '{print $2 }''
If [-n "$ PIDS"]; then
Echo "ERROR: The $ SERVER_NAME already started! "
Echo "PID: $ PIDS"
Exit 1
Fi
If [-n "$ SERVER_PORT"]; then
SERVER_PORT_COUNT = 'netstat-tln | grep $ SERVER_PORT | wc-l'
If [$ SERVER_PORT_COUNT-gt 0]; then
Echo "ERROR: The $ SERVER_NAME port $ SERVER_PORT already used! "
Exit 1
Fi
Fi
LOGS_DIR = ""
LOGS_DIR = $ DEPLOY_DIR/logs
# If [! -D $ LOGS_DIR]; then
# Mkdir $ LOGS_DIR
# Fi
STDOUT_FILE = $ LOGS_DIR/stdout. log
LIB_DIR = $ DEPLOY_DIR/lib
LIB_JARS = 'Find $ LIB_DIR | grep. jar | awk '{print $0}' | tr "\ n "":"'
JAVA_OPTS = "-Djava. awt. headless = true -Djava.net. preferIPv4Stack = true"
JAVA_DEBUG_OPTS = ""
If ["$1" = "debug"]; then
JAVA_DEBUG_OPTS = "-Xdebug-Xnoagent-Djava. compiler = NONE-Xrunjdwp: transport = dt_socket, address = 8000, server = y, suspend = n"
Fi
JAVA_JMX_OPTS = ""
If ["$1" = "jmx"]; then
JAVA_JMX_OPTS = "-Dcom. sun. management. jmxremote. port = 1099-Dcom. sun. management. jmxremote. ssl = false-Dcom. sun. management. jmxremote. authenticate = false"
Fi
JAVA_MEM_OPTS = ""
BITS = 'file $ JAVA_HOME/bin/java | grep 64-bit'
If [-n "$ BITS"]; then
Let memTotal = 'cat/proc/meminfo | grep MemTotal | awk '{printf "% d", $2/1024 }''
If [$ memTotal-gt 2500]; then
JAVA_MEM_OPTS = "-server-Xmx1024m-Xms1024m-Xmn400m-XX: PermSize = 128 m-Xss256k-XX: + DisableExplicitGC-XX: + response-XX: + UseCMSCompactAtFullCollection-XX: LargePageSizeInBytes = 128 m-XX: + UseFastAccessorMethods-XX: + usecmsinitiatingoccupancycyonly-XX: CMSInitiatingOccupancyFraction = 70"
Else
JAVA_MEM_OPTS = "-server-Xmx1024m-Xms1024m-Xmn400m-XX: PermSize = 128 m-Xss256k-XX: + DisableExplicitGC-XX: + response-XX: + UseCMSCompactAtFullCollection-XX: LargePageSizeInBytes = 128 m-XX: + UseFastAccessorMethods-XX: + usecmsinitiatingoccupancycyonly-XX: CMSInitiatingOccupancyFraction = 70"
Fi
Else
JAVA_MEM_OPTS = "-server-Xmx1024m-Xms1024m-XX: PermSize = 128 m-XX: Invalid vorratio = 2-XX: + UseParallelGC"
Fi
Echo-e "Starting the $ SERVER_NAME... \ c"
Nohup java $ JAVA_OPTS $ JAVA_MEM_OPTS $ JAVA_DEBUG_OPTS $ JAVA_JMX_OPTS-classpath $ CONF_DIR: $ LIB_JARS com. hzins. framework. server. ServerMain> $ STDOUT_FILE 2> & 1 &
COUNT = 0
While [$ COUNT-lt 1]; do
Echo-e ". \ c"
Sleep 1
# If [-n "$ SERVER_PORT"]; then
# COUNT = 'echo status | nc 127.0.0.1 $ SERVER_PORT-I 1 | grep-c OK'
# Else
COUNT = 'ps -- no-heading-C java-f -- width 1000 | grep "$ DEPLOY_DIR" | awk '{print $2}' | wc-l'
# Fi
If [$ COUNT-gt 0]; then
Break
Fi
Done
Echo "OK! "
PIDS = 'ps -- no-heading-C java-f -- width 1000 | grep "$ DEPLOY_DIR" | awk '{print $2 }''
Echo "PID: $ PIDS"
# Echo "STDOUT: $ STDOUT_FILE"
Ii. stop. sh
#! /Bin/bash
Cd 'dirname $0'
BIN_DIR = 'pwd'
Cd ..
DEPLOY_DIR = 'pwd'
CONF_DIR = $ DEPLOY_DIR/conf
SERVER_NAME = 'sed '/server. name /! D; s/. * = // 'conf/server. properties | tr-d' \ r''
If [-z "$ SERVER_NAME"]; then
SERVER_NAME = 'hostname'
Fi
PIDS = 'ps -- no-heading-C java-f -- width 1000 | grep "$ CONF_DIR" | awk '{print $2 }''
If [-z "$ PIDS"]; then
Echo "ERROR: The $ SERVER_NAME does not started! "
Exit 1
Fi
If ["$1 "! = "Skip"]; then
$ BIN_DIR/dump. sh
Fi
Echo-e "Stopping the $ SERVER_NAME... \ c"
For PID in $ PIDS; do
Kill $ PID>/dev/null 2> & 1
Done
COUNT = 0
While [$ COUNT-lt 1]; do
Echo-e ". \ c"
Sleep 1
COUNT = 1
For PID in $ PIDS; do
PID_EXIST = 'ps -- no-heading-p $ PID'
If [-n "$ PID_EXIST"]; then
COUNT = 0
Break
Fi
Done
Done
Echo "OK! "
Echo "PID: $ PIDS"
3. restart. sh
#! /Bin/bash
Cd 'dirname $0'
./Stop. sh
./Start. sh
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