linux 下使用jasperreport的注意事项

　　对于 Java 1.4以上，启动java时加上 -Djava.awt.headless=true 的参数。对于 Java 1.4 以前，下载  xvfb 或者其他的虚拟 x-window 软件，再在 Java 运行环境里的 DISPLAY 作相应改变。
　　对于 Resin，具体的修改办法是，修改 httpd.sh 文件，把其中的 args= 行修改为 args=-Djava.awt.headless=true。
　　转载自http://shaofanyun.mblogger.cn/(部分)
　　例如: catalina.sh
　　
　　#!/bin/sh
　　# -----------------------------------------------------------------------------
　　# Start/Stop Script for the CATALINA Server
　　#
　　# Environment Variable Prequisites
　　#
　　#   CATALINA_HOME   May point at your Catalina "build" Directory.
　　#
　　#   CATALINA_BASE   (Optional) Base directory for resolving dynamic portions
　　#                   of a Catalina installation.  If not present, resolves to
　　#                   the same directory that CATALINA_HOME points to.
　　#
　　#   CATALINA_OPTS   (Optional) Java runtime options used when the "start",
　　#                   "stop", or "run" command is executed.
　　#
　　#   CATALINA_TMPDIR (Optional) Directory path location of temporary directory
　　#                   the JVM should use (java.io.tmpdir).  Defaults to
　　#                   $CATALINA_BASE/temp.
　　#
　　#   JAVA_HOME       Must point at your Java Development Kit installation.
　　#
　　#   JAVA_OPTS       (Optional) Java runtime options used when the "start",
　　#                   "stop", or "run" command is executed.
　　#
　　#   JPDA_TRANSPORT  (Optional) JPDA transport used when the "jpda start"
　　#                   command is executed. The default is "dt_socket".
　　#
　　#   JPDA_ADDRESS    (Optional) Java runtime options used when the "jpda start"
　　#                   command is executed. The default is 8000.
　　#
　　#   JSSE_HOME       (Optional) May point at your Java Secure Sockets Extension
　　#                   (JSSE) installation, whose JAR files will be added to the