问如何使用未赏析调试日志和log4j

EN

static {
    // bridge java.util.Logger output to log4j
    System.setProperty("java.util.logging.manager", "org.apache.logging.log4j.jul.LogManager");

    // setting the ldap debug level...
    System.setProperty("com.unboundid.ldap.sdk.debug.enabled", "true");
    System.setProperty("com.unboundid.ldap.sdk.debug.level", "FINEST");
    System.setProperty("com.unboundid.ldap.sdk.debug.type", DebugType.getTypeNameList());
  }