错误日志

Java HotSpot(TM) 64-Bit Server VM warning: Cannot open file /nexus-data/log/jvm.log due to Permission denied
Warning:  Cannot open log file: /nexus-data/log/jvm.log
Warning:  Forcing option -XX:LogFile=/tmp/jvm.log
Unable to delete file: /nexus-data/cache/cache.lock
Unable to update instance pid: /nexus-data/instances/instance.properties (Permission denied)
Exception in thread "Thread-2" java.lang.SecurityException: Could not lock User prefs. Lock file access denied.
        at java.util.prefs.FileSystemPreferences.checkLockFile0ErrorCode(FileSystemPreferences.java:937)
        at java.util.prefs.FileSystemPreferences.lockFile(FileSystemPreferences.java:925)
        at java.util.prefs.FileSystemPreferences.sync(FileSystemPreferences.java:729)
        at java.util.prefs.FileSystemPreferences.flush(FileSystemPreferences.java:824)
        at java.util.prefs.FileSystemPreferences.syncWorld(FileSystemPreferences.java:464)
        at j

1. 准备好一个非常简单点的web项目（maven项目）

2. 准备好maven环境，并配置pom文件，关于jetty内容如下：

<!-- jetty dependecies begin -->
  <dependency>
   <groupId>org.eclipse.jetty</groupId>
   <artifactId>jetty-server</artifactId>
   <version>9.1.4.v20140401</version>
  </dependency>
  <dependency>
   <groupId>org.eclipse.jetty</groupId>
   <artifactId>jetty-webapp</artifactId>
   <version>9.1.4.v20140401</version>
  </dependency>
  <dependency>
   <groupId>org.eclipse.jetty</groupId>
   <artifactId>jetty-continuation</artifactId>
   <version>9.1.4.v20140401</version>
  </dependency>
  <dependency>
   <groupId>org.eclipse.jetty</groupId>
   <artifactId>jetty-jsp</artifactId>
   <version>9.1.4.v20140401</version>
  </dependency>
  <!-- jetty dependecies end -->

3. 使用eclipse对maven项目进行build，获取build后的项目目录（或者将项目达成war包）

4. 创建运行配置jetty的Server类

运行war包的类

public class WebAppWarServer {
 public static void main(String[] args) throws Exception {
  Server server = new Server(8080);