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Problem Tomcat中的应用向所在的linux环境的某个文件写中文字符，在linux下查看该文件中的中文字符显示乱码。 Solution 修改Tomcat目录下的/bin/catalina.sh文件，将CATALINA_OPTS的变量值修改成-Dfile.encoding=UTF8，如export CATALINA_OPTS=".... -Dfile.encoding=UTF8"

问题：用JAVA MAIL发送邮件的时候报以下错误： Mail server connection failed; nested expection is javax.MessagingException: Can't send command to SMTP host; nested exception is:   java.net.SocketException: Write fai

问题描述： 在linux环境下，openfire的plugin FastPath，点击group name时，就会报错，查服务器日志，错误信息为 java.lang.NullPointerException      at org.jivesoftware.openfire.plugin.fastpath.workgroup_002dqueues_jsp._jspService(workg

Java Build Path -> Source : spark/src/java Java Build Path -> Libraries : spark/build/lib/* , spark/build/lib/dist/*, spark/build/lib/dist/ext/*, spark/build/lib/merge/*, spark/plugins/jingle

Spring Annotations By Craig Walls SPRING ANNOTATIONS From its beginning, Spring's most common means of configuration has been XML-based. But as developers grow weary of navigating through a s

1.将openfire源码项目解压到(如果是从SVN CO下来的则不用)eclipse工作目录，例如E:\workspace\openfire，目录结构如图所示： 2.打开eclipse，新建java project，项目名命名为openfire，跟放到工作目录的文件夹同名，点击finish，eclipse智能地帮我们搞定了很多东西，包括lib的引入，source folder，