常见死机原因剖析
2007-04-21 18:56
453 查看
1.有自己的log4j包，无隔离文件
149101 INFO 2006-12-14 10:11:32159 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1a92d3a
p java.net.FactoryURLClassLoader@1a92d3a p org.jboss.mx.loading.UnifiedClassLoader3@71c619{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
149102 INFO 2006-12-14 10:11:32160 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@bb1bc4{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
149102 INFO 2006-12-14 10:11:32160 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1a92d3a
p java.net.FactoryURLClassLoader@1a92d3a p org.jboss.mx.loading.UnifiedClassLoader3@71c619{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
149115 INFO 2006-12-14 10:11:32173 WXJ 线程xxxx启动.........
149185 INFO 2006-12-14 10:11:32243 WXJ 这次共查到：0 个记录!
2.有自己的log4j包，有隔离文件
27242 INFO 2006-12-14 10:26:25917 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d1358f
p java.net.FactoryURLClassLoader@1d1358f p org.jboss.mx.loading.UnifiedClassLoader3@cfd22a{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=55} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@3a5635 p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
27243 INFO 2006-12-14 10:26:25918 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@bb1bc4{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
27243 INFO 2006-12-14 10:26:25918 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d1358f
p java.net.FactoryURLClassLoader@1d1358f p org.jboss.mx.loading.UnifiedClassLoader3@cfd22a{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=55} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@3a5635 p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
3.无自己的log4j包,有log4j.xml文件，有隔离文件
com.hmg.ejbclient.ScanController:startThread:232 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@152bb15
p java.net.FactoryURLClassLoader@152bb15 p org.jboss.mx.loading.UnifiedClassLoader3@d2e55e{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@c05c2 p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController:startThread:233 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@928739{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController:startThread:234 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController$1:run:242 线程xxxx启动.........
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController:process:148 这次共查到：0 个记录!
4.有自己的log4j包,无log4j.xml文件，有隔离文件
自己的log4j包被初始化，并且使用了jboss服务器的log4j配置文件
com.hmg.ejbclient.ScanController:startThread:232 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1fdfb42
p java.net.FactoryURLClassLoader@1fdfb42 p org.jboss.mx.loading.UnifiedClassLoader3@135236e{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@d2e55e p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:49:55, INFO com.hmg.ejbclient.ScanController:startThread:233 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@8c0d58{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:49:55, INFO com.hmg.ejbclient.ScanController:startThread:234 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1fdfb42
p java.net.FactoryURLClassLoader@1fdfb42 p org.jboss.mx.loading.UnifiedClassLoader3@135236e{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@d2e55e p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:49:55, INFO com.hmg.ejbclient.ScanController$1:run:242 线程xxxx启动....
5.无自己的log4j包,无log4j.xml文件，无隔离文件
com.hmg.ejbclient.ScanController:startThread:232 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d866c5
p java.net.FactoryURLClassLoader@1d866c5 p org.jboss.mx.loading.UnifiedClassLoader3@184cf08{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 11:04:27, INFO com.hmg.ejbclient.ScanController:startThread:233 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@dd7786{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 11:04:27, INFO com.hmg.ejbclient.ScanController:startThread:234 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 11:04:27, INFO com.hmg.ejbclient.ScanController$1:run:242 线程xxxx启动.........
结论1：如果某个deployment的jboss-web.xml文件中指定了隔离，则该deployment的uclloader必以NoParentClassLoader为父loader
结论2：如果某个deployment（至少web程序如此）的私有范围内有log4j包和log4j.xml，则不论是否指定隔离，不论代码中是否进行了log4j的初始化，都会对这个log包进行初始化和配置。
结论3：如果某个deployment（至少web程序如此）的私有范围内有log4j包而无log4j.xml，则不论是否指定隔离，不论代码中是否进行了log4j的初始化，都会对这个log包进行初始化和配置，并且使用服务器的log4j配置文件。
6:scanWebTest 这个web无法使用scanWebTest1中的only/in/scanWebTest1/YouCanUseMe这个类，估计scanWebTest1没有将此类加入到公共的repository
149101 INFO 2006-12-14 10:11:32159 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1a92d3a
p java.net.FactoryURLClassLoader@1a92d3a p org.jboss.mx.loading.UnifiedClassLoader3@71c619{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
149102 INFO 2006-12-14 10:11:32160 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@bb1bc4{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
149102 INFO 2006-12-14 10:11:32160 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1a92d3a
p java.net.FactoryURLClassLoader@1a92d3a p org.jboss.mx.loading.UnifiedClassLoader3@71c619{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
149115 INFO 2006-12-14 10:11:32173 WXJ 线程xxxx启动.........
149185 INFO 2006-12-14 10:11:32243 WXJ 这次共查到：0 个记录!
2.有自己的log4j包，有隔离文件
27242 INFO 2006-12-14 10:26:25917 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d1358f
p java.net.FactoryURLClassLoader@1d1358f p org.jboss.mx.loading.UnifiedClassLoader3@cfd22a{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=55} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@3a5635 p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
27243 INFO 2006-12-14 10:26:25918 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@bb1bc4{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
27243 INFO 2006-12-14 10:26:25918 WXJ /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d1358f
p java.net.FactoryURLClassLoader@1d1358f p org.jboss.mx.loading.UnifiedClassLoader3@cfd22a{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=55} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@3a5635 p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
3.无自己的log4j包,有log4j.xml文件，有隔离文件
com.hmg.ejbclient.ScanController:startThread:232 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@152bb15
p java.net.FactoryURLClassLoader@152bb15 p org.jboss.mx.loading.UnifiedClassLoader3@d2e55e{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@c05c2 p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController:startThread:233 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@928739{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController:startThread:234 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController$1:run:242 线程xxxx启动.........
14 十二月 06 10:43:13, INFO com.hmg.ejbclient.ScanController:process:148 这次共查到：0 个记录!
4.有自己的log4j包,无log4j.xml文件，有隔离文件
自己的log4j包被初始化，并且使用了jboss服务器的log4j配置文件
com.hmg.ejbclient.ScanController:startThread:232 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1fdfb42
p java.net.FactoryURLClassLoader@1fdfb42 p org.jboss.mx.loading.UnifiedClassLoader3@135236e{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@d2e55e p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:49:55, INFO com.hmg.ejbclient.ScanController:startThread:233 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@8c0d58{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:49:55, INFO com.hmg.ejbclient.ScanController:startThread:234 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1fdfb42
p java.net.FactoryURLClassLoader@1fdfb42 p org.jboss.mx.loading.UnifiedClassLoader3@135236e{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.mx.loading.HeirarchicalLoaderRepository3$NoParentClassLoader@d2e55e p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 10:49:55, INFO com.hmg.ejbclient.ScanController$1:run:242 线程xxxx启动....
5.无自己的log4j包,无log4j.xml文件，无隔离文件
com.hmg.ejbclient.ScanController:startThread:232 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.ejbclient.ScanController WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
java.net.FactoryURLClassLoader@1d866c5
p java.net.FactoryURLClassLoader@1d866c5 p org.jboss.mx.loading.UnifiedClassLoader3@184cf08{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/scanWebTest.war/ ,addedOrder=50} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 11:04:27, INFO com.hmg.ejbclient.ScanController:startThread:233 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
com.hmg.pe.data.UserPeList org.jboss.mx.loading.UnifiedClassLoader3@dd7786{ url=file:/root/jboss-4.0.4.GA/server/default/deploy/simplepe.har/ ,addedOrder=47} p org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 11:04:27, INFO com.hmg.ejbclient.ScanController:startThread:234 /root/jboss-4.0.4.GA/server/default/./deploy/scanWebTest.war/
org.apache.log4j.Logger org.jboss.system.server.NoAnnotationURLClassLoader@82c01f p sun.misc.Launcher$AppClassLoader@7259da p sun.misc.Launcher$ExtClassLoader@16930e2
14 十二月 06 11:04:27, INFO com.hmg.ejbclient.ScanController$1:run:242 线程xxxx启动.........
结论1：如果某个deployment的jboss-web.xml文件中指定了隔离，则该deployment的uclloader必以NoParentClassLoader为父loader
结论2：如果某个deployment（至少web程序如此）的私有范围内有log4j包和log4j.xml，则不论是否指定隔离，不论代码中是否进行了log4j的初始化，都会对这个log包进行初始化和配置。
结论3：如果某个deployment（至少web程序如此）的私有范围内有log4j包而无log4j.xml，则不论是否指定隔离，不论代码中是否进行了log4j的初始化，都会对这个log包进行初始化和配置，并且使用服务器的log4j配置文件。
6:scanWebTest 这个web无法使用scanWebTest1中的only/in/scanWebTest1/YouCanUseMe这个类，估计scanWebTest1没有将此类加入到公共的repository
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