第一次 error信息
java.lang.InternalError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
第二次以后
java.lang.NoClassDefFoundError
在google上搜索关键字Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable
原因
没安装x-window
顺便， 即使安装了x-window，也可能出现这种问题
未经验证的解决方法是
$ export DISPLAY=127.0.0.1:0.0
$ xhost +
对策
修正内容，增加以下变量
JAVA_OPTS=-Djava.awt.headless=true
或者 CATALINA_OPTS='-Djava.awt.headless=true'
修正方法
用export或者etc/profile增加环境变量
或者修改tomcat_home/bin下边的startup.sh或者catalina.sh
JAVA_OPTS=-Djava.awt.headless=true
echo "Using CATALINA_BASE: $CATALINA_BASE"
echo "Using CATALINA_HOME: $CATALINA_HOME"
echo "Using CATALINA_TMPDIR: $CATALINA_TMPDIR"
echo "Using RUNJAVA: $_RUNJAVA"
echo "Using JAVA_OPTS: $JAVA_OPTS"
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