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我有一个使用 grails run-war 运行的 2.1.1 grails 应用程序。它运行良好，运行了相当长的一段时间，但在 12 到 24 小时后停止。当应用程序失败时，我从不观察它。它总是说“坏”

$ grails run-war 
| Done creating WAR target/web-0.1.war
| Running Grails application
Tomcat Server running WAR (output written to: target/tomcat-out.txt)
| Server running. Browse to http://localhost:8090/web
bad
$

最后 3 次失败中有 2 次在输出文件中产生了这个：

2012-10-10 10:22:46,684 [localhost-startStop-2] ERROR loader.WebappClassLoader  - The web application [/web] appears to have started a thread named [Poller SunPKCS11-Darwin] but has failed to stop it. This is very likely to create a memory leak.
2012-10-10 10:22:46,694 [localhost-startStop-2] ERROR loader.WebappClassLoader  - The web application [/web] appears to have started a thread named [MongoCleaner1292971653] but has failed to stop it. This is very likely to create a memory leak.

但是大多数时候，日志文件中没有任何内容。

即使没有人使用过 webapp，也会发生这种情况，即它处于空闲状态。使用的插件有：

    runtime ":mongodb:1.0.0.GA"
    runtime ":jquery:1.7.2"
    compile ":jquery-ui:1.8.15"
    runtime ":resources:1.2-RC1"

    // Uncomment these (or add new ones) to enable additional resources capabilities
    //runtime ":zipped-resources:1.0"
    //runtime ":cached-resources:1.0"
    //runtime ":yui-minify-resources:0.1.4"

    build ":tomcat:$grailsVersion"

当使用 grails 2.0.4 时，同样的应用程序运行了数周而没有失败。唯一的变化是升级到 grails 2.1.1

有什么想法吗？

谢谢

编辑：包括 DataSource.groovy

dataSource {
    pooled = true
    driverClassName = "org.h2.Driver"
    username = "sa"
    password = ""
}
hibernate {
    cache.use_second_level_cache = true
    cache.use_query_cache = true
    cache.region.factory_class = 'net.sf.ehcache.hibernate.EhCacheRegionFactory'
}
// environment specific settings
environments {
    development {
        dataSource {
            dbCreate = "create-drop" // one of 'create', 'create-drop', 'update', 'validate', ''
            url = "jdbc:h2:mem:devDb;MVCC=TRUE"
        }
    }
    test {
        dataSource {
            dbCreate = "update"
            url = "jdbc:h2:mem:testDb;MVCC=TRUE"
        }
    }
    production {
        dataSource {
            dbCreate = "update"
            url = "jdbc:h2:prodDb;MVCC=TRUE"
            pooled = true
            properties {
               maxActive = -1
               minEvictableIdleTimeMillis=1800000
               timeBetweenEvictionRunsMillis=1800000
               numTestsPerEvictionRun=3
               testOnBorrow=true
               testWhileIdle=true
               testOnReturn=true
               validationQuery="SELECT 1"
            }
        }
    }
}

然后在每个模型中，

class Album {
static mapWith = "mongo"

我这样做是为了确保每次升级 grails 时都使用 Mongo，即使我一直在卸载它，它也会自动重新安装休眠插件。

谢谢

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