问题描述
- NC中间件，在访问Oracle数据库时，持续一段时间Oracle就down机了。
-
先上日志//++++++++++++++++++ 开始 ++++++++++++++++++++++++++
2013-12-14 16:57:35 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-bio-80"]
2013-12-14 16:57:36 org.apache.catalina.core.StandardService startInternal
信息: Starting service bright
2013-12-14 16:57:36 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/@VERSION@
2013-12-14 16:57:39 org.apache.catalina.startup.ContextConfig getDefaultWebXmlFragment
信息: No global web.xml found
2013-12-14 16:57:44 org.apache.catalina.util.LifecycleBase start
信息: The start() method was called on component [Realm[Simple]] after start() had already been called. The second call will be ignored.
2013-12-14 16:57:46 org.apache.catalina.util.LifecycleBase start
信息: The start() method was called on component [Realm[Simple]] after start() had already been called. The second call will be ignored.
2013-12-14 16:57:47 org.apache.catalina.util.LifecycleBase start
信息: The start() method was called on component [Realm[Simple]] after start() had already been called. The second call will be ignored.
2013-12-14 16:57:48 org.apache.catalina.util.LifecycleBase start
信息: The start() method was called on component [Realm[Simple]] after start() had already been called. The second call will be ignored.
ESA Server starting
2013-12-14 16:58:44 com.chenlb.mmseg4j.Dictionary getDefalutPath
信息: look up in mmseg.dic.path=null
2013-12-14 16:58:44 com.chenlb.mmseg4j.Dictionary getDefalutPath
信息: look up in classpath=file:/D:/Eclipses/uap_studio_v63/UAP/modules/uapbdsearch/META-INF/lib/mmseg4j-all-1.8.5-with-dic.jar!/data
2013-12-14 16:58:44 com.chenlb.mmseg4j.Dictionary getDefalutPath
警告: defalut dic path=file:D:Eclipsesuap_studio_v63UAPmodulesuapbdsearchMETA-INFlibmmseg4j-all-1.8.5-with-dic.jar!data not exist
2013-12-14 16:58:45 com.chenlb.mmseg4j.Dictionary loadDic
信息: chars loaded time=125ms, line=12638, on file=file:D:Eclipsesuap_studio_v63UAPmodulesuapbdsearchMETA-INFlibmmseg4j-all-1.8.5-with-dic.jar!datachars.dic
2013-12-14 16:58:45 com.chenlb.mmseg4j.Dictionary loadWord
信息: words loaded time=360ms, line=149853, on file=file:D:Eclipsesuap_studio_v63UAPmodulesuapbdsearchMETA-INFlibmmseg4j-all-1.8.5-with-dic.jar!datawords.dic
2013-12-14 16:58:45 com.chenlb.mmseg4j.Dictionary loadDic
信息: load all dic use time=562ms
2013-12-14 16:58:45 com.chenlb.mmseg4j.Dictionary loadUnit
信息: unit loaded time=0ms, line=22, on file=file:D:Eclipsesuap_studio_v63UAPmodulesuapbdsearchMETA-INFlibmmseg4j-all-1.8.5-with-dic.jar!dataunits.dic
ESA Server started: 60282
2013-12-14 16:58:51 org.apache.catalina.util.LifecycleBase start
信息: The start() method was called on component [Realm[Simple]] after start() had already been called. The second call will be ignored.
2013-12-14 16:58:53 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-bio-80"]
2013-12-14 16:58:53 org.apache.tomcat.granite.BrightTomcat start
信息: Server startup in 80633 ms
server server take jobs
JobDaemon: take job success.
lfw_error:java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
:java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptorlfw_error:java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
:java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor//++++++++++++++++++ end ++++++++++++++++++++++++++
从那个方面定位呢？
1内存泄漏
2Session访问不释放有什么缩小定位问题的思路吗。