部署上线时由于服务器是全新的,很多环境、工具都未安装。碰到很多以前没有遇到的问题:
一、安装完环境:jdk、tomcat后部署上线,在启动tomcat时出现如下异常:
java.net.UnknownHostException: pay03.migutest: pay03.alipaytest at java.net.InetAddress.getLocalHost(InetAddress.java:1461) at com.mchange.v2.uid.UidUtils.generateVmId(UidUtils.java:70) at com.mchange.v2.uid.UidUtils.<clinit>(UidUtils.java:54) at com.mchange.v2.c3p0.impl.C3P0ImplUtils.<clinit>(C3P0ImplUtils.java:126) at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.<init>(PoolBackedDataSourceBase.java:288) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.<init>(AbstractPoolBackedDataSource.java:74) at com.mchange.v2.c3p0.AbstractComboPooledDataSource.<init>(AbstractComboPooledDataSource.java:142) at com.mchange.v2.c3p0.AbstractComboPooledDataSource.<init>(AbstractComboPooledDataSource.java:138)
查询了很多答案,最终解决方案是在/etc目录下的hosts文件中添加对应host与内网ip的映射。
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.12.187 pay03.alipaytest ##增加的行
重启tomat后,该问题解决了。
二、在访问登陆验证码时报错,一直响应500错误。后台开启debug日志后出现如下问题:
java.lang.Error: Probable fatal error:No fonts found. . . .
在国外网站上找到如下方式解决:
under Ubuntu you can install fonts by sudo apt-get install ttf-dejavu or if you use CentOS, you can install fonts by yum install dejavu*
由于是CenterOS系统,所以执行
# yum install dejavu*
安装完字体后,再访问验证码链接就能正常显示了。