tomcat 总是很慢，重启后速度才上去，过一天后又很慢，看LOG也没有报错，请高手帮忙

Question

把你的webapps文件夹里的东西清理一下，不要放太多东西了

Answer 1

关闭是这样写的
  if (conn !=null||!conn.isClosed()) {       conn.close();
       conn =null;
     }      if(stmt != null){        stmt.close();
      }
每次都关了

Answer 2

<Server port="8005" shutdown="SHUTDOWN" debug="0">  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
            debug="0"/>
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
            debug="0"/>  <GlobalNamingResources>    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
       description="User database that can be updated and saved">
    </Resource>
    <ResourceParams name="UserDatabase">
      <parameter>
        <name>factory</name>
        <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
      </parameter>
      <parameter>
        <name>pathname</name>
        <value>conf/tomcat-users.xml</value>
      </parameter>
    </ResourceParams>  </GlobalNamingResources>   <Service name="Tomcat-Standalone">    
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
               port="8080" minProcessors="30" maxProcessors="2000"
               enableLookups="true" redirectPort="8443"
               acceptCount="100" debug="0" connectionTimeout="20000"
               useURIValidationHack="false" disableUploadTimeout="true" />
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
               port="8009" minProcessors="5" maxProcessors="75"
               enableLookups="true" redirectPort="8443"
               acceptCount="10" debug="0" connectionTimeout="0"
               useURIValidationHack="false"
               protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
    <Engine name="Standalone" defaultHost="localhost" debug="0">      <Logger className="org.apache.catalina.logger.FileLogger"
              prefix="catalina_log." suffix=".txt"
              timestamp="true"/>
      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
                 debug="0" resourceName="UserDatabase"/>      <Host name="localhost" debug="0" appBase="webapps" 
       unpackWARs="true" autoDeploy="true"> <Context path="" docBase="ROOT" debug="0"
                 reloadable="true" crossContext="false">
          <Logger className="org.apache.catalina.logger.FileLogger"
                     prefix="localhost_examples_log." suffix=".txt"
              timestamp="true"/>
          <Ejb   name="ejb/EmplRecord" type="Entity"
                 home="com.wombat.empl.EmployeeRecordHome"
               remote="com.wombat.empl.EmployeeRecord"/><Resource name="jdbc/myoracle" auth="Container"
              type="javax.sql.DataSource"/> 
<ResourceParams name="jdbc/myoracle">
  <parameter>
    <name>factory</name>
    <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
  </parameter>
  <parameter>
    <name>driverClassName</name>
    <value>oracle.jdbc.driver.OracleDriver</value>
  </parameter>
  <parameter>
    <name>url</name>
    <value>jdbc:oracle:thin:@E250:1521:lrgarbo</value>
  </parameter>
  <parameter>
    <name>username</name>
    <value>xxx</value>
  </parameter>
  <parameter>
    <name>password</name>
    <value>sss</value>
  </parameter>
  <parameter>
    <name>maxActive</name>
    <value>20</value>
  </parameter>
  <parameter>
    <name>maxIdle</name>
    <value>10</value>
  </parameter>
  <parameter>
    <name>maxWait</name>
    <value>-1</value>
  </parameter>
   <parameter>
     <name>removeAbandoned</name>
     <value>true</value>
   </parameter>   <parameter>
              <name>removeAbandonedTimeout</name>
              <value>60</value>
            </parameter>
<parameter>
              <name>logAbandoned</name>
              <value>true</value>
            </parameter>
</ResourceParams>
          <ResourceLink name="linkToGlobalResource"
                    global="simpleValue"
                    type="java.lang.Integer"/>
        </Context>             </Host>    </Engine>  </Service> 
</Server>