转载文章. 做NC的时候从别人那拷了个NC_DEMO结果我这报错他那没报错 import nc.bs.wfengine.engine.ext.TaskTopicResolver; 报错信息:Access restriction: The type TaskTopicResolver is not accessible due to restriction on required library NC_DEMO/NC_HOME/modules/uap/META-INF/lib/uappla
安装zookeeper-3.3.2的时候,启动正常没报错,但zkServer.sh status查看状态的时候却出现错误,如下: JMX enabled by defaultUsing config: /hadoop/zookeeper/bin/../conf/zoo.cfgError contacting service. It is probably not running. jps查看进程,却发现进程已启动 7313 QuorumPeerMain 在网上查阅资料一共有三种解决方法: 1,
现网执行的oracle数据库,有一天突然报错(alert日志):too many open files in system,须要对操作系统同意句柄数进行扩充,查阅了非常多资料,改动点主要集中在例如以下几个文件: 1./proc/sys/fs/file-max 2./etc/sysctl.conf 3./etc/security/limits.conf 还有通过命令改动的方法,如ulimit -n 65535 以下以我实际的经验说一下,我改动的是/etc/security/limits.co
今天使用Eclipse+Maven建立了一个Javaweb工程,并在eclipse中配置了Web容器Jboss eap 6.2.新建jsp页面,添加一个简单 的Java类.可是,JSP页面顶端出现“红色”的报错信息:The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path.原来Javaweb工程类中没有添加Web 容器Runtime相关类导致. 错误提示:
我在执行yum -y install nc命令的时候出现如下报错 There was a problem importing one of the Python modulesrequired to run yum. The error leading to this problem was: cannot import name partial Please install a package which provides this module, orverify that the modu
zabbix报错 https://www.cnblogs.com/losbyday/category/876878.html作者总结的很全棒 1.在启动zabbix-agent 时系统日志输出 PID file /run/zabbix/zabbix_agentd.pid not readable (yet?) after star zabbix-agent.service never wrote its PID file. Failing 重启zabbix-agent服务依旧不能正常启动,查看/