java程序调用CMD命令启动tomcat替换环境变量

出现问题:

  此时不应有 FilesJavajdk1.8.0_92injava.exe""(本地未出现问题,服务器环境出现)

出现原因:

  1:环境变量JAVA_HOME配置路径中的空格问题

2:系统环境变量路径首尾出现双引号  " 为多余

解决方法:

  1:原路径C:Program FilesJavajdk1.8.0_92,需替换为C:Progra~1Javajdk1.8.0_92 ;

  2:将相关环境变量路径的首尾双引号 “  去掉 ;

如:

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

import java.util.concurrent.Future;

 

public static Map<String, String> execute(String directory,String[] cmd){

Map<String, String> result = new HashMap<>();

Process p = null;

try {

ProcessBuilder builder =  new ProcessBuilder(cmd);

File file = new File(directory) ;

builder.directory(file);

Map<String, String> env = builder.environment();

env.put("CATALINA_HOME", file.getParent());

env.put("CATALINA_BASE", file.getParent());

logger.info("=: -----------------------");

for(String str : env.keySet()){

if(env.get(str) != null){

  env.put(str, env.get(str).replaceAll("Program Files", "PROGRA~1"));

}

logger.info(str+"=: "+env.get(str));

}

logger.info("=: -----------------------");

String javaHome = System.getenv("JAVA_HOME");

if(StringUtils.isNotEmpty(javaHome)) {

javaHome = javaHome.replace("%20", " ").replaceAll("Program Files", "PROGRA~1");

}

env.put("JAVA_HOME", javaHome);

//环境可能是Path 或  PATH

String _Path = env.get("Path");

if(StringUtils.isNotEmpty(_Path)){

env.put("Path", _Path.replaceAll(""", ""));

}

String _PATH = env.get("PATH");

if(StringUtils.isNotEmpty(_PATH)){

env.put("PATH", _PATH.replaceAll(""", ""));

}

String _EXECJAVA = env.get("_EXECJAVA");

if(StringUtils.isNotEmpty(_EXECJAVA)){

env.put("_EXECJAVA", _EXECJAVA.replaceAll(""", ""));

}

String _RUNJAVA = env.get("_RUNJAVA");

if(StringUtils.isNotEmpty(_RUNJAVA)){

env.put("_RUNJAVA", _RUNJAVA.replaceAll(""", ""));

}

String _RUNJDB = env.get("_RUNJDB");

if(StringUtils.isNotEmpty(_RUNJDB)){

  env.put("_RUNJDB", _RUNJDB.replaceAll(""", ""));

}

for(String str : env.keySet()){

  logger.info(str+"=: "+env.get(str));

}

logger.info("正在执行命令...." + builder.directory());

p = builder.start();

logger.info("正在执行命令....");

InputStream errorStream = p.getErrorStream();

ExecutorService exec = Executors.newCachedThreadPool();

Future<String> errorSubmit = exec.submit(new WorkCallable(p, errorStream,"ERROR"));

InputStream correctStream = p.getInputStream();

Future<String> correctSubmit = exec.submit(new WorkCallable(p, correctStream,"STDOUT"));

logger.info("正在执行命令2....");

String errorMsg = errorSubmit.get();

String successMsg = correctSubmit.get();

logger.info(errorMsg);

logger.info(successMsg);

if(StringUtils.isEmpty(errorMsg)) {

result.put("status", "success");

result.put("msg", successMsg);

} else {

result.put("status", "error");

result.put("msg", errorMsg);

}

p.waitFor();

exec.shutdown();

} catch (Exception e) {

result.put("status", "error");

result.put("msg", e.getMessage());

logger.error("执行命令异常,请检查参数",e.getMessage());

}

return result;

}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

原文地址:https://www.cnblogs.com/liujf-a-mad-man/p/10785449.html