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show java version when start

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Crystal.Sea
2021-10-02 14:40:03 +08:00
parent f4e076d82c
commit aed80b59fd
2 changed files with 87 additions and 0 deletions
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71
maxkey-common/src/test/java/org/maxkey/word/RunJavaEnvs.java Normal file
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@@ -0,0 +1,71 @@
package org.maxkey.word;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import org.apache.commons.lang.SystemUtils;
import org.apache.commons.lang3.ArchUtils;
public class RunJavaEnvs {
public static void main(String[] args) {
Map<String, String> map = System.getenv();
for(Iterator<String> itr = map.keySet().iterator();itr.hasNext();){
String key = itr.next();
System.out.println(key + "=" + map.get(key));
}
System.out.println(SystemUtils.JAVA_VENDOR);
System.out.println(SystemUtils.JAVA_COMPILER);
System.out.println(SystemUtils.JAVA_VERSION);
System.out.println(SystemUtils.JAVA_HOME);
System.out.println("JAVA_CLASS_VERSION :"+SystemUtils.JAVA_CLASS_VERSION);
System.out.println(SystemUtils.JAVA_SPECIFICATION_VERSION);
System.out.println(SystemUtils.JAVA_SPECIFICATION_NAME);
System.out.println(SystemUtils.JAVA_SPECIFICATION_VENDOR);
System.out.println("JAVA_VM_INFO :"+SystemUtils.JAVA_VM_INFO);
System.out.println(SystemUtils.JAVA_VM_INFO);
System.out.println(SystemUtils.JAVA_VM_NAME);
System.out.println(SystemUtils.JAVA_VM_VENDOR);
System.out.println(SystemUtils.JAVA_VM_VERSION);
System.out.println(SystemUtils.OS_NAME);
System.out.println(SystemUtils.OS_ARCH);
System.out.println(SystemUtils.OS_VERSION);
System.out.println("OS : "+SystemUtils.OS_NAME +"("+SystemUtils.OS_ARCH+" " +ArchUtils.getProcessor().getType()+"), version " +SystemUtils.OS_VERSION+"");
System.out.println("JAVA : "+SystemUtils.JAVA_VENDOR+" java version "+SystemUtils.JAVA_VERSION +", class "+SystemUtils.JAVA_CLASS_VERSION);
System.out.println("JAVA_VM : "+SystemUtils.JAVA_VM_NAME+" (build "+SystemUtils.JAVA_VM_VERSION +", "+ SystemUtils.JAVA_VM_INFO+")");
Properties props=System.getProperties();
System.out.println("Java的运行环境版本："+props.getProperty("java.version"));
System.out.println("Java的运行环境供应商："+props.getProperty("java.vendor"));
System.out.println("Java供应商的URL："+props.getProperty("java.vendor.url"));
System.out.println("Java的安装路径："+props.getProperty("java.home"));
System.out.println("Java的虚拟机规范版本："+props.getProperty("java.vm.specification.version"));
System.out.println("Java的虚拟机规范供应商："+props.getProperty("java.vm.specification.vendor"));
System.out.println("Java的虚拟机规范名称："+props.getProperty("java.vm.specification.name"));
System.out.println("Java的虚拟机实现版本："+props.getProperty("java.vm.version"));
System.out.println("Java的虚拟机实现供应商："+props.getProperty("java.vm.vendor"));
System.out.println("Java的虚拟机实现名称："+props.getProperty("java.vm.name"));
System.out.println("Java运行时环境规范版本："+props.getProperty("java.specification.version"));
System.out.println("Java运行时环境规范供应商："+props.getProperty("java.specification.vender"));
System.out.println("Java运行时环境规范名称："+props.getProperty("java.specification.name"));
System.out.println("Java的类格式版本号："+props.getProperty("java.class.version"));
System.out.println("Java的类路径："+props.getProperty("java.class.path"));
System.out.println("加载库时搜索的路径列表："+props.getProperty("java.library.path"));
System.out.println("默认的临时文件路径："+props.getProperty("java.io.tmpdir"));
System.out.println("一个或多个扩展目录的路径："+props.getProperty("java.ext.dirs"));
System.out.println("操作系统的名称："+props.getProperty("os.name"));
System.out.println("操作系统的构架："+props.getProperty("os.arch"));
System.out.println("操作系统的版本："+props.getProperty("os.version"));
System.out.println("文件分隔符："+props.getProperty("file.separator"));//在 unix 系统中是＂／＂ System.out.println("路径分隔符："+props.getProperty("path.separator"));//在 unix 系统中是＂:＂ System.out.println("行分隔符："+props.getProperty("line.separator"));//在 unix 系统中是＂/n＂ System.out.println("用户的账户名称："+props.getProperty("user.name"));
System.out.println("用户的主目录："+props.getProperty("user.home"));
System.out.println("用户的当前工作目录："+props.getProperty("user.dir"));
}
}

16
maxkey-core/src/main/java/org/maxkey/web/InitializeContext.java
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@@ -27,6 +27,8 @@ import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import org.apache.commons.lang.SystemUtils;
import org.apache.commons.lang3.ArchUtils;
import org.joda.time.DateTime;
import org.maxkey.cache.CacheFactory;
import org.maxkey.util.PathUtils;
@@ -206,7 +208,21 @@ public class InitializeContext extends HttpServlet {
_logger.trace(key + " = " + map.get(key));
}
_logger.debug("APP_HOME" + " = " + PathUtils.getInstance().getAppPath());
_logger.debug("OS : "+SystemUtils.OS_NAME +
"("+SystemUtils.OS_ARCH+" " +ArchUtils.getProcessor().getType()+"),"+
" version " +SystemUtils.OS_VERSION+""
);
_logger.debug("COMPUTER: "+map.get("COMPUTERNAME") +", "+
"USERNAME : "+map.get("USERNAME")
);
_logger.debug("JAVA :");
_logger.debug(SystemUtils.JAVA_VENDOR+
" java version "+SystemUtils.JAVA_VERSION +", class "+SystemUtils.JAVA_CLASS_VERSION);
_logger.debug(SystemUtils.JAVA_VM_NAME+
" (build "+SystemUtils.JAVA_VM_VERSION +", "+ SystemUtils.JAVA_VM_INFO+")");
_logger.debug("-----------------------------------------------------------");
}
/**