mysql 中的join,left join,right join的用法超级详解!!!
2011-09-23 16:23
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最近系统出现内存溢出,堆空间不够,我想用jconsole看一看堆里面内存的情况,
我用的应用服务器是tomcat,端口:7080
我是用我本机做服务器,那我为tomcat做了下配置:-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=7080
-Dcom.sun.management.jmxremote
接着我就通过eclipes的tomcat插件启动,会报如下的错误:
java.net.BindException: Address already in use: JVM_Bind:7080。
端口被占掉了,我去掉-Dcom.sun.management.jmxremote.port=7080
tomca启动就是正常。
请问怎样解决这样的问题
我用的应用服务器是tomcat,端口:7080
我是用我本机做服务器,那我为tomcat做了下配置:-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=7080
-Dcom.sun.management.jmxremote
接着我就通过eclipes的tomcat插件启动,会报如下的错误:
java.net.BindException: Address already in use: JVM_Bind:7080。
端口被占掉了,我去掉-Dcom.sun.management.jmxremote.port=7080
tomca启动就是正常。
请问怎样解决这样的问题
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