问题详情 来源是,我在Ambari集群里,安装Hue. 给Ambari集群里安装可视化分析利器工具Hue步骤(图文详解 所遇到的这个问题. 然后,去ambari-server的log日志,查看,如下 cat  /var/log/ambari-server.log SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container java.lang.NullPoin…
问题详情 来源是,我在Ambari集群里,安装Hue. 给Ambari集群里安装可视化分析利器工具Hue步骤(图文详解 所遇到的这个问题. 然后,去ambari-server的log日志,查看,如下 cat  /var/log/ambari-server.log SEVERE: The RuntimeException could not be mapped to a response, re-throwing to the HTTP container java.lang.NullPointe…
扩展博客 以下,是我在手动的CDH版本平台下,安装Hue. CDH版本大数据集群下搭建Hue(hadoop-2.6.0-cdh5.5.4.gz + hue-3.9.0-cdh5.5.4.tar.gz)(博主推荐) 以下,是我在Clouderamanager平台下,安装Hue. 给Clouderamanager集群里安装可视化分析利器工具Hue步骤(图文详解) 本博文呢,是在ambari集群里 首先, https://github.com/EsharEditor/ambari-hue-servic…
[root@db02 scala-2.11.5]# spark-shell Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). Welcome to       ____              __      / __/__  ___ _____/ /__     _\ \/ _ \/ _ `/ __/  '_/    /___/ .__/\_,_/_/…
tomcat启动错误提示: 严重: Error waiting for multi-thread deployment of WAR files to completejava.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: PermGen space Caused by: java.lang.OutOfMemoryError: PermGen space 解决方法: 手动设置MaxPermSize大小 在tomca…
最近在学习自己搭建SVN服务,意外的报错 svnserve: Can’t bind server socket: Address already in use 于是google了下,原来是 已经启动了SVN 服务了 我们可以按照以下方法解决. 1.ps -aux | grep svn kill pid(pid为ps出的pid这样就停止服务了) 2.我们可以试着重新指定一个端口8081 使用 –listen-port 8081参数. svnserve -d -r /home/svn/ –liste…
在ubuntu11.10以后版本中发现,安装wireshark后用root权限启动,弹出如下错误: Running as user “root” and group “root”. This could be dangerous.Lua: Error during loading: [string "/usr/share/wireshark/init.lua"]:45: dofile has been disabled 通过google查找问题,说是在ubuntu下存在该bug,解决办…
SSH项目 在网络复杂的情况(具体规律未知)下,Tomcat启动时,报如下错误: [ERROR] 2014-08-12 14:52:58,484 [org.apache.struts2.dispatcher.Dispatcher :27] - Dispatcher initialization failedUnable to load configuration. - Class: java.net.AbstractPlainSocketImplFile: AbstractPlainSocket…
控制台报错: Caused by: org.apache.catalina.LifecycleException: A child container failed during start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.j…
无意间struts应用在有网络的情况下启动正常,在断网的情况下启动报错,报错代码如下图所示: SEVERE: Exception starting filter struts2 Class: java.net.AbstractPlainSocketImpl File: AbstractPlainSocketImpl.java Method: connect Line: 178 - java/net/AbstractPlainSocketImpl.java:178:-1 at com.opensy…