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- 查询oracle 中逗号分隔字符串中所有值 (1)
最新评论
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小小西芹菜:
GoEasy web三步轻松实现web实时推送1. 引入goe ...
服务器推送技术 java -
kg_1997:
这个方法太棒了,可以不用to_date函数,实在是棒!!!
java/oracle日期处理 -
wodesunday:
:idea:
SQL的分段统计查询语句 -
wodesunday:
引用
SQL的分段统计查询语句 -
BlueSkator:
讲的有点浅,没有深入进去
tomcat需要的重新发布和重启服务器的几种情况
ERROR [http-8080-5] - Dispatch[/materialItemAction] to method 'setUpForInsertOrUpdate' returned an exception
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
at com.ving.xzfw.action.BaseAction.execute(BaseAction.java:120)
at com.ving.xzfw.action.BaseAction$$FastClassByCGLIB$$ff924af9.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:714)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:162)
at com.ving.xzfw.log.LogInterceptor.invoke(LogInterceptor.java:38)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:652)
at com.ving.xzfw.action.MaterialItemAction$$EnhancerByCGLIB$$a5cd31ea.execute(<generated>)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ecside.filter.ECSideFilter.doFilter(ECSideFilter.java:174)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.ving.xzfw.action.SessionFilter.doFilter(SessionFilter.java:220)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:78)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.OutOfMemoryError: PermGen space
ERROR [http-8080-5] - 调用setUpForInsertOrUpdate方法失败
ERROR [http-8080-5] - java.lang.OutOfMemoryError: PermGen space
2009-9-18 11:00:56 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet action threw exception
java.lang.OutOfMemoryError: PermGen space
在进行大数据量操作的时候,经常会出现内存溢出的错误
处理方法是设置TOMCAT的内存大小
设置tomcat的内存
Tomcat是目前应用十分广泛的一个Java servlet container与web服务器,但java.lang.OutOfMemoryError与java.lang.OutOfMemoryError: PermGen space的异常相信真正用过tomcat的人都遇到过(用户量大,应用使用频繁等),这个异常和JVM默认划分的内存上限是128M有关,如果你的业务足够繁忙,128M是远远不够的,所以你可以给JVM分配上1G甚至更多,这样就可以避免内存溢出。
分配方法:
1)linux下
编辑tomcat的catalina.sh文件,在第一行的后面增加一句:
JAVA_OPTS='-server -Xms256m -Xmx512m -XX:PermSize=128M -XX:MaxPermSize=256M'
注意:单引号不能少,-server表示以server模式运行(运行效率比默认的client高很多,自己云去测试),-Xms256m是最小内存,-Xmx512m是最大内存,其中的256与512可根据你自己的内存做相应调整,PermSize/MaxPermSize最小/最大堆大小.一般报内存不足时,都是说这个太小,堆空间剩余小于5%就会警告,建议把这个稍微设大一点,不过要视自己机器内存大小来设置,我自己的文件如下:
#!/bin/sh
JAVA_OPTS='-server -Xms1024m -Xmx1024m XX:PermSize=128M -XX:MaxPermSize=256M'
# -----------------------------
2)windows下
编辑tomcat的catalina.bat文件,在第一行的后面增加一句:
set JAVA_OPTS=-server -Xms256m -Xmx512m -XX:PermSize=128M -XX:MaxPermSize=256M
注意:没有单引号
2.1)如果windows下tomcat被作为一种服务安装了,可通过tomcat monitor的java页进行配置,如下图:
注:Java Options中每一行的最后不能有空格。
上面配置的catalina.bat中-server选项对应:Java Virtual Matchine
D:\Java\jdk1.6.0_03\jre\bin\server\jvm.dll
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)
at com.ving.xzfw.action.BaseAction.execute(BaseAction.java:120)
at com.ving.xzfw.action.BaseAction$$FastClassByCGLIB$$ff924af9.invoke(<generated>)
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:714)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:162)
at com.ving.xzfw.log.LogInterceptor.invoke(LogInterceptor.java:38)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:652)
at com.ving.xzfw.action.MaterialItemAction$$EnhancerByCGLIB$$a5cd31ea.execute(<generated>)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ecside.filter.ECSideFilter.doFilter(ECSideFilter.java:174)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.ving.xzfw.action.SessionFilter.doFilter(SessionFilter.java:220)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:78)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.OutOfMemoryError: PermGen space
ERROR [http-8080-5] - 调用setUpForInsertOrUpdate方法失败
ERROR [http-8080-5] - java.lang.OutOfMemoryError: PermGen space
2009-9-18 11:00:56 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet action threw exception
java.lang.OutOfMemoryError: PermGen space
在进行大数据量操作的时候,经常会出现内存溢出的错误
处理方法是设置TOMCAT的内存大小
设置tomcat的内存
Tomcat是目前应用十分广泛的一个Java servlet container与web服务器,但java.lang.OutOfMemoryError与java.lang.OutOfMemoryError: PermGen space的异常相信真正用过tomcat的人都遇到过(用户量大,应用使用频繁等),这个异常和JVM默认划分的内存上限是128M有关,如果你的业务足够繁忙,128M是远远不够的,所以你可以给JVM分配上1G甚至更多,这样就可以避免内存溢出。
分配方法:
1)linux下
编辑tomcat的catalina.sh文件,在第一行的后面增加一句:
JAVA_OPTS='-server -Xms256m -Xmx512m -XX:PermSize=128M -XX:MaxPermSize=256M'
注意:单引号不能少,-server表示以server模式运行(运行效率比默认的client高很多,自己云去测试),-Xms256m是最小内存,-Xmx512m是最大内存,其中的256与512可根据你自己的内存做相应调整,PermSize/MaxPermSize最小/最大堆大小.一般报内存不足时,都是说这个太小,堆空间剩余小于5%就会警告,建议把这个稍微设大一点,不过要视自己机器内存大小来设置,我自己的文件如下:
#!/bin/sh
JAVA_OPTS='-server -Xms1024m -Xmx1024m XX:PermSize=128M -XX:MaxPermSize=256M'
# -----------------------------
2)windows下
编辑tomcat的catalina.bat文件,在第一行的后面增加一句:
set JAVA_OPTS=-server -Xms256m -Xmx512m -XX:PermSize=128M -XX:MaxPermSize=256M
注意:没有单引号
2.1)如果windows下tomcat被作为一种服务安装了,可通过tomcat monitor的java页进行配置,如下图:
注:Java Options中每一行的最后不能有空格。
上面配置的catalina.bat中-server选项对应:Java Virtual Matchine
D:\Java\jdk1.6.0_03\jre\bin\server\jvm.dll
发表评论
-
Eclipse中HashMap/Hashtable出现警告Type safety本篇文章来源于:开发学院 http://edu.codepub.com 原文
2010-08-03 13:08 2188症状: Type safety: The method pu ... -
Content is not allowed in prolog.
2010-08-03 10:51 4215读取XML时出现错误: 2010-08-03 10:52:2 ... -
进程被死锁
2010-07-16 11:45 2366错误: 引用 2010-07-15 11 ... -
java.lang.UnsupportedClassVersionError: Bad version number in .class file
2010-05-13 20:11 1292tomcat启动报错,发现错误版本 、 严重: Error d ... -
Oracle: ORA-00911: 无效字符
2010-04-22 10:41 6818Oracle: java.sql.SQLException: ... -
解决 无法解析导入 javax.servlet.ServletContextEvent
2010-02-09 11:24 5267启动tomcat报错了: 严重: Error configu ... -
...NeedsRefreshException问题分析
2010-02-07 16:44 3821com.opensymphony.oscache.base. ... -
JVMTI_ERROR_NULL_POINTER(100)
2010-01-27 16:49 1945JDWP exit error JVMTI_ERROR_NUL ... -
Couldn't perform the operation prepareCall
2010-01-08 09:43 5443[code="sql"]- ... -
tomcat ClassNotFoundException
2010-01-05 10:49 1190严重: Exception starting filter ... -
javax.servlet.servletexception cannot find actionmappings or actionformbeans col
2010-01-03 11:22 1732异常:javax.servlet.ServletExcepti ... -
错误1111
2010-01-02 14:28 1900org.springframework.jdbc.Un ... -
Cannot resolve reference to bean 'pingFenRecService' while setting bean property
2010-01-02 11:23 5239玩转SSI时重启服务器报错,郁闷啦,怎么可能呢?还报配置出错. ... -
解决为'MM_CURSOR' 的游标已存在问题
2009-12-09 14:45 3845今天写了个存储过程,使用了两个游标,在数据库里实现嵌套多层循环 ... -
TOMCAT 6 警告:Parameters:Invalid chunk ignored 的解决
2009-12-08 11:04 1608编写程序后,重启tomcat,出现警告:Parameters: ... -
解决:sql 排序规则不一致问题
2009-12-03 13:48 4675把程序部署到服务器上 ... -
Ibatis : Attribute "*" must be declared for element type "result".
2009-11-25 16:29 4249整合一Ibatis,竟然报错了! Caused by: com ... -
在建立与服务器的连接时出错。在连接到 sql server 2005 时 在默认的设置下 sql server 不允许进行远程连
2009-11-24 15:21 43853今天连接数据库时突然 ... -
Ibatis :The error occurred while applying a parameter map.
2009-11-18 10:03 23308项目需求变更在修改源程序时,要涉及数据库变动,大刀阔斧一般之后 ... -
Myeclipse:resource is out of sync with the file system的解决办法
2009-11-13 17:50 3920引用在eclipse中,启动run on server时报错: ...
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