java程序调用CMD命令启动tomcat替换环境变量

Myth丶恋晨 2021-12-13 21:31 293阅读 0赞

**出现问题：**

**　　此时不应有 Files\\Java\\jdk1.8.0\_92\\bin\\java.exe""（本地未出现问题，服务器环境出现）**

**![873678-20190428172443201-2041397522.png][]**

**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 Files\\Java\\jdk1.8.0\_92，需替换为C:\\Progra~1\\Java\\jdk1.8.0\_92 ；**

**　　2：将相关环境变量路径的首尾双引号 “ 去掉 ；**

**如：**

<table style="border-color:#c7e915;border-width:0px;border-style:solid;margin-left:30px;"> 
 <tbody style="margin-left:30px;"> 
 <tr style="margin-left:30px;"> 
 <td style="margin-left:60px;"> &nbsp; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future; &nbsp; public static Map&lt;String, String&gt; execute(String directory,String[] cmd){ Map&lt;String, String&gt; result = new HashMap&lt;&gt;(); Process p = null; try { ProcessBuilder builder =&nbsp; new ProcessBuilder(cmd); File file = new File(directory) ; builder.directory(file); Map&lt;String, String&gt; 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&nbsp; 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&lt;String&gt; errorSubmit = exec.submit(new WorkCallable(p, errorStream,"ERROR")); InputStream correctStream = p.getInputStream(); Future&lt;String&gt; 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; } </td> 
 </tr> 
 </tbody> 
</table>

转载于:https://www.cnblogs.com/liujf-a-mad-man/p/10785449.html

[873678-20190428172443201-2041397522.png]: /images/20211213/76b95ea0a158475dbc9a5915cb0b2099.png