對于 java 1.4以上，啟動java時加上 -Djava.awt.headless=true 的參數。對于 Java 1.4 以前，下載  xvfb 或者其他的虛擬 x-window 軟件，再在 Java 運行環境里的 DISPLAY 作相應改變。
對于 Resin，具體的修改辦法是，修改 httpd.sh 文件，把其中的 args= 行修改為 args=-Djava.awt.headless=true。
轉載自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