系统下午出现异常

出现异常时，可以打开系统，浏览表单视图等，但是不能提交流程（最开始不能出现提交流程的时间，早于catalina.2014-04-18.log第一条异常日志时间2014-4-18 15:22:16）
附上部分异常代码：
（详细见附件 catalina.2014-04-18.log (416.51 KB, 下载次数: 1461)

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（如还需要其他异常日志，请联系我！）
2014-4-18 9:48:23 org.apache.tomcat.util.http.Parameters processParameters
信息: Invalid chunk starting at byte [7,552] and ending at byte [7,589] with a value of [=11e2-27e3-fe6e7fb4-a133-51be9704e10d] ignored
Note: further occurrences of Parameter errors will be logged at DEBUG level.
2014-4-18 15:22:16 org.apache.coyote.http11.Http11Protocol pause
信息: Pausing Coyote HTTP/1.1 on http-8080
2014-4-18 15:22:16 org.apache.coyote.ajp.AjpAprProtocol pause
信息: Pausing Coyote AJP/1.3 on ajp-8009
2014-4-18 15:22:17 org.apache.catalina.core.StandardService stop
信息: Stopping service Catalina
2014-4-18 15:22:17 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 54 instance(s) to be deallocated
2014-4-18 15:22:18 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 54 instance(s) to be deallocated
2014-4-18 15:22:20 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 54 instance(s) to be deallocated
2014-4-18 15:22:20 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 58 instance(s) to be deallocated
2014-4-18 15:22:21 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 58 instance(s) to be deallocated
2014-4-18 15:22:22 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 58 instance(s) to be deallocated
2014-4-18 15:22:22 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 116 instance(s) to be deallocated
2014-4-18 15:22:23 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 116 instance(s) to be deallocated
2014-4-18 15:22:24 org.apache.catalina.core.StandardWrapper unload
信息: Waiting for 116 instance(s) to be deallocated
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [/obpm] registered the JDBC driver [org.hsqldb.jdbc.JDBCDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [/obpm] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [/obpm] registered the JDBC driver [org.logicalcobwebs.proxool.ProxoolDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [/obpm] registered the JDBC driver [oracle.jdbc.driver.OracleDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
严重: The web application [/obpm] registered the JDBC driver [net.sourceforge.jtds.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [/obpm] appears to have started a thread named [Thread-2] but has failed to stop it. This is very likely to create a memory leak.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [/obpm] appears to have started a thread named [Thread-3] but has failed to stop it. This is very likely to create a memory leak.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [/obpm] appears to have started a thread named [Thread-4] but has failed to stop it. This is very likely to create a memory leak.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [/obpm] appears to have started a thread named [HouseKeeper] but has failed to stop it. This is very likely to create a memory leak.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [/obpm] appears to have started a thread named [Store query.Document Spool Thread] but has failed to stop it. This is very likely to create a memory leak.
2014-4-18 15:22:25 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
严重: The web application [/obpm] appears to have started a thread named [Store sampleCache1 Spool Thread] but has failed to stop it. This is very likely to create a memory leak.

楼主日志不全，请联系我远程看看吧。

楼主该问题是否还存在？如果有请与我联系，如果没有请回复一声，以便结贴。

回复 3# david


缺什么日志？如果可以，今天下午远程看看吧，目前平台是稳定的。

PS：上次你帮我重置log4j文件后，系统重启，还是没有实时记录tomcat日志呀，tomcat6-stdout.2014-04-18.log只是在系统启动时记录了一点点东西。

好的，下午楼主联系我吧，联系我时请提供该贴链接。

跟客户沟通对应该问题已解决。目前没有再产生该问题。对应之前是通过重启数据库，tomcat服务解决了该问题。从客户提供的错误信息查询不能确定具体问题产生原因。已经跟客户沟通下次再出现该问题会跟我联系具体定位问题。对应帖子先关闭。